BEPCII/BESIII. Frederick A. Harris University of Hawaii For the BES Collaboration. DPF 2006 Oct. 30 Nov. 3, 2006 Honolulu, HI 1/29/2008 DPF2006 1
|
|
|
- Moses Marsh
- 5 years ago
- Views:
Transcription
1 BEPCII/BESIII DPF 2006 Oct. 30 Nov. 3, 2006 Honolulu, HI Frederick A. Harris University of Hawaii For the BES Collaboration 1/29/2008 DPF2006 1
2 The Beijing Electron Positron Collider (BEPC) L ~ /cm 2 s at J/ψ peak E cm ~ 2-5 GeV A unique e + e - machine in the τ-charm energy region until CLEOc.
3 BEPCII: a high luminosity double ring collider SC RF Beams 1/29/2008 DPF2006 3
4 BEPCII Design goal Energy range GeV Optimum energy 1.89 GeV Luminosity 1 x cm -2 s 1.89 GeV Injection Synchrotron mode Full energy injection: GeV Positron injection rate > 50 ma/min GeV Use many bunches and mini-beta. 1/29/2008 DPF2006 4
5 Design Goals and Main Parameters Parameters Unit BEPCII BEPC Operation energy (E) GeV Injection energy (E inj ) GeV Circumference (C) m β * -function at IP (β * x / β * y ) cm 100/ /5 Tunes (ν x /ν y /ν s ) 6.57/7.61/ /6.7/0.02 Hor. natural emittance (ε x0 ) mm mr GeV GeV Damping time (τ x /τ y /τ e ) GeV 28/28/14@1.89 GeV RF frequency (f rf ) MHz RF voltage per ring (V rf ) MV Number of bunches (N b ) Bunch spacing m Beam current Colliding GeV ~2 GeV ma SR 2.5GeV 130 Bunch length (cm) σ l cm ~1.5 ~5 Impedance Z/n 0 Ω ~ 0.2 ~4 Crossing angle mrad ±11 0 Vert. beam-beam param. ξ y Beam lifetime hrs /29/2008luminosity@1.89 GeV cmdpf s
6 BEPCII Status BEPCII linac installation completed in 2005; most design specifications reached. Storage ring: Major magnets, superconducting RF cavities and quadrupole magnets, as well as the cryogenics system have been completed, and their installation is nearly complete. SR runs before the end of this year. Beam collisions expected in summer/fall /29/2008 DPF2006 6
7 BESIII Detector Muon Counter SC magnet TOF Be beam pipe Drift Chamber CsI(Tl) calorimeter 1/29/2008 DPF2006 7
8 MDC Parameters R inner: 63mm ; R outer: 810mm Length (out.): 2582 mm Inner cylinder: 1.2 mm Carbon fiber Outer cylinder: 11.5 mm CF with 8 windows Sense wire : 25 micron gold-plated tungsten (plus 3%Rhenium ) Layers (Sense wire ): 43 Field wire: 110 micron gold-plated Aluminum Gas: He + C3H8 (60/40) σ x ~ 130 μ m Cell: inner chamber mm σ P outer chamber mm ~ 0.5 P Polar angle: cos θ < 0.83 (all layers) σ de < 0.93 (20 layers) dx ~ 6 % de 1/29/2008 Expected performance DPF dx
9 MDC 1/29/2008 DPF2006 9
10 MDC Status: Wire Stringing Complete Preamp installation in progress. Cosmic ray running in about one month. 1/29/2008 DPF
11 Beam test at KEK Prototype tested in a 1T magnetic field at KEK 12GeV PS. Results: spatial resolution better than 130 µm cell efficiency over 98% de/dx resolution better than 5% (3σ π/k separation exceeding 700MeV/c). 1/29/2008 DPF
12 CsI(Tl) crystal calorimeter Design goals: Energy: 1GeV Spatial: 1GeV Crystals: Barrel: 5280 w: kg Endcaps: 960 w: 4051 kg Total: 6340 w: 25.6 T 5 x 5 cm 2 front face; 6.5 x 6.5 cm 2 back 28 cm length (15 radiation lengths) Have all barrel and most endcap crystals 1/29/2008 DPF
13 Readout: Two Hamamatsu S mm x 20 mm photodiodes 1/29/2008 DPF
14 Testing: Size Source tests ( 137 Cs) LED tests PD tests Preamp tests Cosmic ray tests Beam tests (6 x 6 array): CsI Calorimeter X position 1/29/2008 DPF ADC
15 Mechanical structure A 1/60 prototype Status: Assembly starts soon. Barrel completed by April 07. Mechanical structure now at IHEP 1/29/2008 DPF
16 Crucial for particle ID Barrel 50mm x 60mm x 2320 mm (inner layer). BC408 2 layers 88 in each Endcap 48 fan shaped pieces each end. BC404 PMT: Hamamatsu R5942 Fine mesh TOF 1/29/2008 DPF
17 TOF Performance Time resolution 1-layer (intrinsic): Belle: 70 to 80 ps Beam tests: < 90 ps Simulation: < 90 ps Time resolution of two layers is 100ps to 110ps for kaon and pions. Capability of K/π separation K/π separation: 2 σ separation up to 0.9 GeV/c. 1/29/2008 DPF
18 TOF Monitoring System Monitor the amplitude and time performance of each channel including PMTs and electronics. Being built by University of Hawaii: Use mirror to steer beam like BESII. Purchase fiber cable bundles (2 cables). Laser Electronic switch Light splitter Fiber bundles TOF endcap 48 fibers TOF endcap 48 fibers TOF barrel 176 fibers TOF barrel 176 fibers Ref. PMT connector TDC start ADC gate fiber Fiber PMT TOF barrel PMT 1/29/2008 DPF
19 Fiber Bundle Cables (need 2) Barrel TOF EC TOF DPF
20 Test Setup at UH Need TOF counter and readout for testing TOF laser calibration system. Use Belle BC408 TOF counter and 2 BES fine mesh phototubes. Test with cosmic ray telescope. Caen VME TDC and QDC with computer to readout. Next install fibers and pulse with N2/dye laser. 1/29/2008 DPF
21 Superconducting Magnet Coil: single layer solenoid First of its kind built in China. Cooling mode: two phase helium force flow Cryostat Superconductor: Al stabilized NbTi/Cu Winding: inner winding Cold mass support: tension rod Coil Thermal shield: LN 2 shield, MLI Flux return: barrel/end yoke, pole tip Inner radius 1.375m Outer radius 1.7m Length 3.91m Mean radius 1.482m Length 3.52m Cable dimension 3.7mm*20mm Electrical parameters Central field 1.0T Nominal current Inductance Stored energy Cold mass Total Weight 3650A 2H 10MJ 3.6ton 15ton Radiation thickness 2X 1/29/2008 DPF
22 BESIII Magnet Progress wiring Thermal insulation assembly transportation installation 1/29/2008 DPF
23 BESIII Magnet Progress Sept. 19, Voltage(V) Time:19:00 VTL1A-VTL2A VTLL1A-VTLL2A VTLL1B-VTLL2B VTLL3A-VTLL4A VTLL3B-VTLL4B VTM6A-VTM1A VTM6A-VTM5A VTM1A-VTM2A VTM3A-VTM4A VTM4A-VTM5A Time:22: Voltage curve shows that the magnet is in super-conducting state. Magnetic field Gauss. 1/29/2008 DPF
24 Muon Chamber Barrel + EndCap; RPC as μ detector; Barrel : 9 layers EndCap: 8 layers One dimension read-out strips; 1/29/2008 DPF
25 RPCs Electrodes made from a special type of phenolic paper laminate on bakelite. Have good surface quality(~200nm). Extensive testing and long term reliability testing done. Have high efficiency, low counting rate and dark current, and good long-term stability. 1/29/2008 DPF
26 (RPC module) Total of 64 endcap modules, 72 barrel modules; Gas: Ar:C 2 H 2 F 4 :Isobutane = 50:42:8 HV voltage: 8000V; One module contains two RPC layers and one readout layer. 1/29/2008 DPF
27 Spring 2005: All RPC production,dpf2006 assembly, testing, and installation 1/29/ completed.
28 Test Result after installation - endcap Average strip efficiency: 0.97 Spatial resolution: 16.6mm Mean of 64 endcap RPC = /29/2008 DPF
29 μ/π Identification Efficiency From Simulation Using Muc Info only % μ efficiency Design Goal π fake rate GeV/c Ratio of π decay to μ before entering Muc 1/29/2008 DPF
30 1/29/2008 Fall DPF
31 Trigger and DAQ The trigger design is almost finalized; pipelined and uses FPGAs. By end of the year, all the boards should be tested. Whole DAQ system tested to 8K Hz for the event size of 12Kb, a factor of two safety margin. Whole DAQ system tested during beam test with MDC and EMC. L1 trigger rate: 4 KHz Event Size: 12 KBytes Expected bandwidth after L1: 48 MByte/sec Dead time: < 5% 1000 * BESII DAQ system 1/29/2008 DPF
32 Offline software BOSS BES Offline Software System based on Gaudi. BES III Software Generator HepEvt Event Converters G4Event Simulation McTruth Framework Core Software Calibration & Database BES III RawData RawData CnvSvc Calibration Algorithms Digits RecHits Digitization Reconstruction Algorithms Hits RecTracks Reconstruction Simulaton Histograms Ntuples Analysis Tools DstTracks Rec2DstAlg DstData RootDstCnvSvc Physics Analysis Software Tremendous amount accomplished so far. Much more to do. 1/29/2008 DPF
33 Event Display Tool: BesVis Based on ROOT, OpenGL, X3D and XML Support both 2D and 3D view Operations and controls available through menu and toolbar items First version was released in December /29/200812/01/2006 DPF2006W.Li and Y. Mao 33
34 SIMULATION Based on Geant4 MDC tracking performance: μ - at pt = 1GeV/c Momentum resolution σ = 0.4 MeV Sub-detector Design MC MDC σ w (μm) σ p /p 0.5% 0.4% σ de/dx 6-7% 6% TOF σ t (ps) EMC σ E /E 2.5% 2.2% σ xy (mm) MUC ε(μ ID ) 95% 96% ε(π->μ) 6% 6.2% EMC (barrel) Energy Resolution -single γ 1/29/2008 DPF
35 Muon Counter TOF Window Fired strips Ext track /29/2008 DPF p(gev/c) β
36 Physics Simulations 50, 000 ψ Inclusive event sample. ~3MeV K S π + π Λ pπ ~1.2MeV
37 50, 000 ψ Inclusive event sample. A RooPlot of "D0 to Kpi" Events / ( ) D 0 K D0 to Kpi A RooPlot of "D0 to Kpipi0" π σ(m BC ) ~ 1.2 MeV/c 2 σ(δe) = 7 MeV + + π A RooPlot of "D0 to K3pi" Events / ( ) D 0 K π D0 to K3pi A RooPlot of "D0 to K0bpipi" + π + π Events / ( ) D 0 K π + π 0 Events / ( ) D 0 K S π + π D0 to Kpipi D0 to K0bpipi 1/29/2008 DPF
38 Ψ' γχ cj, χ cj γj/ ψ BESIII: (8M, M.C.) m(χ c1 ) = 3.508GeV, m(χ c2 ) = 3.553GeV; σ(χ c1 ) = 8.1MeV, σ(χ c2 ) = 9.4MeV. χ c1 χ c2 Ψ' J/ψ(π 0, η), (π 0, η) γγ m(η) = 549 MeV m(π 0 )=135 MeV η χ c0 π 0 m(χ c- ) =3.413GeV, σ(χ c0 ) =9.0MeV. 1/29/2008 DPF
39 Physics Topics at BESIII Open charm factory : Absolute BR measurements of D and Ds decays Rare D decay D 0 -D 0 bar mixing CP violation f D+, f Ds form factors in semi-leptonic D decays precise measurement (1.6% stat.) of CKM (Vcd, Vcs) CP violation and strong phase in D Dalitz Decays light meson spectroscopy in D 0 and D + Dalitz Decays. 1/29/2008 DPF
40 Physics Topics at BESIII Charmonium: J/ψ, ψ(2s), η C (1S), χ C{0,1,2}, η C (2S), h C ( 1 P 1 ), ψ(1d), etc. New Charmonium states above open charm threshold Exotics : hybrids, glueballs, and other exotics in J/ψ and ψ(2s) radiative decays. Baryons and excited baryons in J/ψ and ψ(2s) hadronic decays. Mesons and mixing of quark and gluon in J/ψ and ψ(2s) decays. Electromagnetic form factors and QCD cross section (R values). tau mass and tau physics near the threshold Very rich and interesting energy region. 1/29/2008 DPF
41 Production Average Lum: L = 0.5 Peak Lum.; One year data taking time: T = 10 7 s N event /year = σ exp L T Resonance Mass(GeV) CMS Peak Lum. (10 33 cm -2 s -1 ) Physics Cross Section (nb) Nevents/yr J/ψ τ ψ(2s) D 0 D 0 bar D + D DsDs DsDs Huge J/ψ and ψ(2s) samples at BESIII 1/29/2008 DPF
42 BESIII Collaboration First formal meeting held Jan , 2006 at IHEP, Beijing. Adopted Governance Rules, elected IB Chair and Spokespersons. Second collaboration meeting held June at IHEP. Management plan adopted. Institute of High Energy Physics University of Science and Technology Peking University Tsinghua University Shangdong University Nankai University Central China Normal University University of Anhui University of Zhejiang University of Zhengzhou Nanjing Normal University Nanjing University Shanxi University Sichuan University Henan Normal University University of Hawaii University of Washington University of Tokyo Joint Institute of Nuclear Research, Dubna GSI University of Bochum University of Giessen Need more here! 1/29/2008 DPF
43 Future In US: CLEOc stops in 2008 BaBar stops running in Fermilab stops collider physics in In China: BESIII commissioning in fall BESIII will be a unique facility. 1/29/2008 DPF
44 Summary BEPCII linac installation complete. Installation of collider nearly complete; synchrotron running fall BESIII hardware and software progressing rapidly, although still much to do. Commissioning expected in fall Rich physics program after CLEO-c. Complementary to B-factories. Collaborators welcomed! 1/29/2008 DPF
45 1/29/2008 DPF
46 BESIII and CLEOc comparison Detector MDC BES III σ XY (μm) = 130 ΔP/P ( 0 / 0 ) = 0.5 %(1 GeV) CLEOc 90 μm 0.5 % EMC TOF μ counter magnet σ de/dx ( 0 / 0 ) = 6-7 % Δ E/ E( 0 / 0 ) = 2.5 %(1 GeV) σ z (cm) = 0.5cm/ E σ T (ps) = /layer Double layer 9 layers 1.0 T 6% 2.0% 0.3 cm / E Rich T
BEPCII/BESIII. Frederick A. Harris University of Hawaii. For the BES Collaboration
BEPCII/BESIII e + e - Collisions from phi to psi Budker Institute of Nuclear Physics Novosibirsk, Russia Feb. 27- Mar. 2, 2006 Frederick A. Harris University of Hawaii 1 For the BES Collaboration The Beijing
Recent BES Results and the BESIII Upgrade
Recent BES Results and the BESIII Upgrade Menu2007 IKP, Forschungzentrum Juelich, Germany Sept. 10-14, 2007 Frederick A. Harris Sept. 11, 2007 For the BES Collaboration OUTLINE Introduction BESII physics
BES Collaboration. Frederick A. Harris University of Hawaii. New BESIII Initiative Meeting Nov. 7, 2006 Washington, DC 1/29/2008 1
New BESIII Initiative Meeting Nov. 7, 2006 Washington, DC BES Collaboration Frederick A. Harris University of Hawaii 1/29/2008 1 OUTLINE Introduction: physics of tau charm region. History BESI/II Collaboration
BEPC II status and prospects
BEPC II status and prospects Hesheng Chen Institute of High Energy Physics, Beijing Introduction Construction Commissioning Physics at BESIII Summary Beijing Electron Positron Collider (BEPC) at IHEP E
ARTICLE IN PRESS. Nuclear Instruments and Methods in Physics Research A
Nuclear Instruments and Methods in Physics Research A 598 (29) 7 11 Contents lists available at ScienceDirect Nuclear Instruments and Methods in Physics Research A journal homepage: www.elsevier.com/locate/nima
Results from BES: cc Decays
Results from BES: cc Decays Frederick A. Harris University of Hawaii Workshop on Quarkonium Nov. 8 10, 2002 at CERN Introduction ψ(2s) Hadronic Results ψ(2s) Scan J/ψ Partial Wave Results J/ψ γp p-bar
Recent BES Results and Future Prospects
Recent BES Results and Future Prospects Xiaoyan SHEN Representing BES Collaboration Institute of High Energy Physics, Beijing shenxy@ihep.ac.cn Moriond 2007, EW Session March 10 17, 2007, La Thuile, Italy
Results and Future Plans from BESII/ BEPC
Results and Future Plans from BESII/ BEPC Zhengguo ZHAO IHEP of CAS, Beijing for I Status II Recent Results III Future Plans IV Summary e + e - Physics at Intermediate Energies Workshop, SLAC, April 29-May,
Highlights from BESIII
Highlights from BESIII Yaqian Wang Johannes Gutenberg University Mainz, Germany 14th International Conference on B-Physics at Hadron Machines 8-12 th April, Bologna BEAUTY 2013 Highlights from BESIII 04/10/2013
Representing BESIII Collaboration Institute of High Energy Physics, Chinese Academy of Sciences, Beijing , China
BESIII status and preliminary results Representing BESIII Collaboration Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 149, China E-mail: shenxy@ihep.ac.cn The BEijing Spectrometer(BES
Study of Baryon Form factor and Collins effect at BESIII
Study of Baryon Form factor and Collins effect at BESIII Wenbiao Yan On behalf of BESIII Collaboration INT Program INT-17-3 Hadron imaging at Jefferson Lab and at a future EIC 1 Bird s View of BEPCII &
Hadronic vs e + e - colliders
Hadronic vs e + e - colliders Hadronic machines: enormous production of b-hadrons (σ bb ~ 50 µb) all b-hadrons can be produced trigger is challenging complicated many-particles events incoherent production
BES BEPC 2 Status and Prospects. Klaus Peters HAD1 GSI, GU Frankfurt IKF Bosen,
BES III @ BEPC 2 Status and Prospects Klaus Peters HAD1 GSI, GU Frankfurt IKF Bosen, 2.9.2009 The old Beijing Electron Positron Collider BEPC L ~ 5 10 30 /cm 2 s @ J/ψ peak E cm ~ 2-5 GeV A unique e +
(Representing BESIII Collaboration) Institute of High Energy Physics, Beijing. QCD10, June 28 July 3, 2010, Montpellier, France
BESIII status and results Xiaoyan SHEN (Representing BESIII Collaboration) Institute of High Energy Physics, Beijing 0 QCD10, June 28 July 3, 2010, Montpellier, France Introduction Status of BESIII Outline
Recent Results on J/ψ, ψ and ψ Decays from BESII
Recent Results on J/ψ, ψ and ψ Decays from BESII Xiaoyan SHEN (Representing BES Collaboration) Institute of High Energy Physics, Beijing shenxy@ihep.ac.cn Oct. 17 20, 2007, QWG5, DESY, Germany Outline
The BES Experiment at BEPC
The BES Experiment at BEPC Yuanning Gao* (Tsinghua University) Overview and a bit of history Selected results of BESI and BESII BEPC/BES upgrade and physics Status of BEPCII and BESIII * gaoyn@mail.tsinghua.edu.cn
Recent Results from the BESIII Experiment. Ryan Mitchell Indiana University Miami 2011 December 17, 2011
Recent Results from the BESIII Experiment Ryan Mitchell Indiana University Miami 11 December 17, 11 1 The primary goal of BESIII: Use e + e collisions to produce charmonium states, then use their properties
STATUS OF BEPC AND PLAN OF BEPCII
STATUS OF BEPC AND PLAN OF BEPCII C. Zhang for BEPCII Team Institute of High Energy Physics, P.O.Box 918, Beijing 139, China Abstract The status of the Beijing Electron-Positron Collider (BEPC) and plans
New Measurements of ψ(3770) Resonance Parameters & DD-bar Cross Section at BES-II & CLEO-c
New Measurements of ψ(3770) Resonance Parameters & DD-bar Cross Section at BES-II & CLEO-c The review talk is based on the talks given at ICHEP 04 by Anders Ryd, Ian Shipsey, Gang Rong 1 Outline Introduction
b Physics Prospects For The LHCb Experiment Thomas Ruf for the LHCb Collaboration Introduction Detector Status Physics Program
b Physics Prospects For The LHCb Experiment Thomas Ruf for the LHCb Collaboration Introduction Detector Status Physics Program b Primary goal of the LHCb Experiment Search for New Physics contributions
Status of PEP-II and BaBar. 1 Introduction. 2 PEP-II Machine
Jonathan Dorfan Stanford Linear Accelerator Center Stanford University Stanford, California 94309 1 Introduction The SLAC B Factory was approved by President Clinton in October 1993. The inaugural meeting
THE PEP-II B-FACTORY AND THE BABAR DETECTOR
SLAC-PUB-9775 THE PEP-II B-FACTORY AND THE BABAR DETECTOR Gérard Bonneaud Ecole Polytechnique, LPNHE F-91128 Palaiseau, France (on behalf of the BABAR Collaboration) October 10-12, 1998 Abstract. I summarize
Light Meson Decays at BESIII
Light Meson Decays at BESIII Liqing QIN (for the Collaboration ) Shandong University XVI International Conference on Hadron Spectroscopy Sep. 13-18, 2015, Newport News, VA OUTLINE n Introduction n Recent
Study of charmoniumlike states with initial state radiation at Belle II
Study of charmoniumlike states with initial state radiation at Belle II XiaoLong Wang( 王小龙 ) (for the Belle II Collaboration) Fudan University, Shanghai The 21th Particles & Nuclei International Conference
The BES-III experiment
The BES-III experiment Igor Denysenko for the BES-III collaboration JINR Dubna on leave from BITP, Kiev Hadron Structure and QCD July 4-8, 2012, Gatchina, Russia BEPCII/BESIII at IHEP(Beijing) 2004: start
at BESIII (Representing BES Collaboration) Institute of High Energy Physics, Beijing OCPA6, Aug. 3-7, 2009, Lanzhou, China
Results from BESII and Prospects at BESIII Xiaoyan SHEN (Representing BES Collaboration) Institute of High Energy Physics, Beijing OCPA6, Aug. 3-7, 2009, Lanzhou, China Outline Introduction Results from
Results from BESII and prospects at BESIII
Results from BESII and prospects at BESIII Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 149, China E-mail: shenxy@ihep.ac.cn We reported the observation of Y (175) in ϕ f (98)
arxiv:hep-ex/ v1 10 Nov 2000
Recent Results from BES arxiv:hep-ex/1132v1 1 Nov 2 Xiaoyan Shen Representing the BES Collaboration Institute of High Energy Physics, Academy of Sciences, Beijing 139, P.R. China Abstract We report partial
Results from BESIII. SLAC Experimental Seminar Aug. 9, Frederick A. Harris University of Hawaii. University of Hawaii 1
Results from BESIII SLAC Experimental Seminar Aug. 9, 2016 Frederick A. Harris University of Hawaii University of Hawaii 1 OUTLINE Introduction BEPC/BES beginnings and the SLAC connection BEPCII/BESIII
A new phase of tau-charm physics
A new phase of tau-charm physics Recent results and future plans of BESIII Yifang Wang Institute of High Energy Physics Tau & charm from dedicated colliders ADONE, FRASCATI 69 90 SPEAR, SLAC, 72 90 BEPC,
LHCb: From the detector to the first physics results
LHCb: From the detector to the first physics results Olivier Callot Laboratoire de l Accélérateur Linéaire, IN2P3/CNRS and Université Paris XI, Orsay, France On behalf of the LHCb collaboration In this
Measuring the phase between strong and EM J/ψ decay amplitudes HADRON 2011
Measuring the phase between strong and EM J/ψ decay amplitudes Marco Maggiora on behalf of the BESIII Collaboration Dep. of General Physics, University of Turin and INFN, Turin XIV International Conference
Results from BABAR/PEP-II - One Year of Operations
SLAC-PUB-9158 March 22 Results from /PEP-II - One Year of Operations Paul C. Bloom Representing the Collaboration Presented at the 4th International Conference on Hyperons, Charm and Beauty Hadrons, 6/27/2
CMS Conference Report
Available on CMS information server CMS CR 2001/004 CMS Conference Report April 13, 2001 Prospects of B-Physics with CMS a) Sunanda Banerjee 1) Abstract Prospects of studies of properties of b flavoured
Monte Carlo Simulations for PANDA
Monte Carlo Simulations for PANDA Diego Bettoni Istituto Nazionale di Fisica Nucleare, Ferrara International Workshop on Heavy Quarkonia 2008 Nara, Japan, 3 December 2008 Outline Introduction The PANDA
Charmonium Spectroscopy at BESIII
Charmonium Spectroscopy at BESIII Hu Liu (on behalf of the BESIII Collaboration) Institute of High Energy Physics, Beijing, China 8 th QWG @GSI 05-10-2011 Slide 1 Outline Brief Introduction of BEPCII &
New Physics Opportunities in the Charm/Tau Region: The BESIII - Experiment at IHEP/Beijing
New Physics Opportunities in the Charm/Tau Region: The BESIII - Experiment at IHEP/Beijing Introduction BES3/BEPC2 Physics Programme First Results Summary 1 W.Kühn, Univ. Giessen Charmonium: Positronium
e + e Factories M. Sullivan Presented at the Particle Accelerator Conference June 25-29, 2007 in Albuquerque, New Mexico e+e- Factories
e + e Factories M. Sullivan Presented at the Particle Accelerator Conference June 25-29, 2007 in Albuquerque, New Mexico 1 Outline Factory Running KEKB PEP-II DAFNE CESR-c BEPCII 2 Summary Factory Running
University of Hawaii Colloquium Discovery of the Z c (3900)
University of Hawaii Colloquium Discovery of the Z c (3900) Frederick A. Harris May 9, 2013 4/11/2014 1 OUTLINE Introduction to charmonium Original era of discovery From discovery to precision: Charmonium
Absolute D Hadronic Branching Fractions at CLEO-c
Absolute D Hadronic Branching Fractions at CLEO-c Xin Shi Cornell University CLEO Collaboration Lake Louise Winter Institute 24 February 2011 Xin Shi (Cornell University) Absolute D Hadronic BFs at CLEO-c
Status of KEK-E391a and Future Prospects on K L π 0 νν at KEK. GeiYoub Lim IPNS, KEK
Status of KEK-E391a and Future Prospects on K L π 0 νν at KEK GeiYoub Lim IPNS, KEK E391a Collaboration Joint Institute for Nuclear Research (Dubna), Russia High Energy Accelerator Research Organization,
η and η physics at BESIII
η and η physics at BESIII Shuangshi Fang (for the BESIII Collaboration ) Institute of High Energy Physics MesonNet meeting June 17-19,2013, Prague, CZE OUTLINE Introduction η/η events at BESIII Recent
Recent Progress on Charmonium Decays at BESIII
Recent Progress on Charmonium Decays at BESIII Xiao-Rui Lu (on behalf of the BESIII Collaboration) Physics Department Graduate University of Chinese Academy of Sciences Beijing, 0049, China xiaorui@gucas.ac.cn
D Hadronic Branching Fractions and DD Cross Section at ψ (3770) from CLEO c
D Hadronic Branching Fractions and DD Cross Section at ψ (3770) from CLEO c V. Credé 1 2 1 Cornell University, Ithaca, NY 2 now at Florida State University Tallahassee, FL Hadron 05 Outline 1 CESR-c CLEO-c
XYZ par(cles at BESIII
XYZ par(cles at BESIII Zhiqing Liu Johannes Gutenberg University Mainz liuz@uni- mainz.de Seminar at LAL, Orsay, 16 th, May, 2014 Outline Introduc(on BESIII experiment in Beijing, China Observa(on of Z
Results and Future Plans from BES
M hep-ex/68 Results and Future Plans from BES Zhengguo Zhao IHEP of CAS, Beijing The values of R = σ(e + e hadrons)/σ (e + e µ + µ ) for 8 center-of-mass energies between and GeV are reported. Preliminary
Brief Report from the Tevatron. 1 Introduction. Manfred Paulini Lawrence Berkeley National Laboratory Berkeley, California 94720
Brief Report from the Lawrence Berkeley National Laboratory Berkeley, California 9472 1 Introduction It might appear surprising to include a report from the Fermilab, a proton-antiproton collider, in a
Higgs Factory Magnet Protection and Machine-Detector Interface
Higgs Factory Magnet Protection and Machine-Detector Interface Nikolai Mokhov Fermilab MAP Spring Workshop May 27-31, 2014 Outline MDI Efforts Building Higgs Factory Collider, Detector and MDI Unified
Touschek polarimeter for beam energy measurement of VEPP-4M collider LNFSS-08 1 / 16
Touschek polarimeter for beam energy measurement of VEPP-4M collider Ivan Nikolaev Budker Institute of Nuclear Physics Novosibirsk, Russia Frascati Spring School Bruno Touschek May 12-16 2008 Touschek
First light from. Gagan Mohanty
First light from Gagan Mohanty March 17-23, 2019 Flavor physics: why? E~m Δm.Δt ~ 1 ~10-100 TeV Ø Provides us a unique probe to unravel deeper mysteries of the universe with intense sources and highly
(Representing BESIII Collaboration) Institute of High Energy Physics, Beijing. Workshop on Hadron Physics, July 27 31, 2010, Tsinghua University
BESIII status and results Xiaoyan SHEN (Representing BESIII Collaboration) Institute of High Energy Physics, Beijing Workshop on Hadron Physics, July 27 31, 2010, Tsinghua University Introduction Status
Beijing Spectrometer III
Status and Physics Prospects of the Beijing Spectrometer III Niklaus Berger Institute of High Energy Physics Chinese Academy of Sciences 北 京谱仪三 Overview Our tools: The BEPC II collider The BES III experiment
PoS(TIPP2014)093. Performance study of the TOP counter with the 2 GeV/c positron beam at LEPS. K. Matsuoka, For the Belle II PID group
Performance study of the TOP counter with the 2 GeV/c positron beam at LEPS, For the Belle II PID group KMI, Nagoya University E-mail: matsuoka@hepl.phys.nagoya-u.ac.jp The TOP (Time-Of-Propagation) counter
Particle Detectors A brief introduction with emphasis on high energy physics applications
Particle Detectors A brief introduction with emphasis on high energy physics applications TRIUMF Summer Institute 2006 July 10-21 2006 Lecture I measurement of ionization and position Lecture II scintillation
CLEO c. Anders Ryd Cornell University June 7, e e cc D D. D K,D K e
CLEOc Cornell University June 7, 25 e e cc D D D K,D K e K K e 1 Outline CLEOc experiment and the physics program Some early results D> Absolute hadronic branching fractions Semileptonic decays 2 Testing
COMET muon conversion experiment in J-PARC
Institute for Basic Science, Daejeon, Korea E-mail: myeongjaelee@ibs.re.kr COMET is an experiment at J-PARC, Japan, which will search for neutrinoless conversion of muons into electrons in the field of
Hadronic Transitions in Collisions above 4 GeV at BESIII Jianming Bian University of Minnesota
+ ee Hadronic Transitions in Collisions above 4 GeV at BESIII Jianming Bian University of Minnesota 06-09-2016 QWG2016, Pacific Northwest National Laboratory, Richland, WA, USA 1 Charmonium spectroscopy
Hadronic Cross Section Measurements at BES-III Sven Schumann Johannes Gutenberg Universität Mainz
Hadronic Cross Section Measurements at BES-III Johannes Gutenberg Universität Mainz Introduction Hadronic cross sections & R ratio Impact on aμ and Δαhad Physics with Initial State Radiation ISR technique
LHCb: Reoptimized Detector & Tracking Performance
LHCb: Reoptimized Detector & Tracking Performance Gerhard Raven NIKHEF and VU, Amsterdam Representing the LHCb collaboration Beauty 2003, Carnegie Mellon University, Oct 14-18, Pittsburgh, PA, USA 1 The
Particle Identification of the LHCb detector
HCP 2005 Particle Identification of the LHCb detector Ann.Van.Lysebetten@cern.ch on behalf of the LHCb collaboration CERN 5th July 2005 The LHCb experiment : introduction precision measurements of CP violation
Flavor Physics beyond the SM. FCNC Processes in the SM
Flavor Physics beyond the SM 48 FCNC Processes in the SM A SM ( B ΔF = ΔF = 1 W q W b b u, c, t q b u, c, t q 0 q B ) ~ ( V V 0 q ) tb tq g m 16π m t W A SM ( b q) = V V tb tq g 16π m m t W FCNC in SM
CLEO-c: Progress and Future
CLEO-c: Progress and Future David G. Cassel Cornell University Outline Motivations CLEO-c and CESR-c Preliminary CLEO-c Results CLEO-c Gluonic Program Summary and Outlook SURA Washington February 10, 2005
Perspectives with PANDA. The new accelerator complex of GSI The antiproton s s activity The PANDA scientific program Paola Gianotti LNF
Perspectives with PANDA The new accelerator complex of GSI The antiproton s s activity The PANDA scientific program Paola Gianotti LNF FAIR The GSI future facility FAIR Facility for Antiproton and Ion
1 Introduction The SLAC B Factory asymmetric B-factories was approved by President Clinton in October B-factories The inaugural meeting of the d
SLAC-PUB-8459 hep-ex/0006012 May 2000 Status of PEP-II and BaBar J. Dorfan Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309 Invited talk presented at 19th International
XYZ physics at BESIII
Hirschegg 2014 XYZ physics at BESIII Zhiqing Liu (JGU Mainz) On behalf of BESIII Collabora1on liuz@uni- mainz.de 1 Outline IntroducHon ObservaHon of Z c (3900). ObservaHon of Z c (4020) & Z c (4025). ObservaHon
Early physics with the LHCb detector
XXVIII PHYSICS IN COLLISION - Perugia, Italy, June, 25-28, 2008 Early physics with the LHCb detector Dirk Wiedner CERN for the LHCb collaboration 27 June 2008 Dirk Wiedner at PIC2008 Perugia 1 Outline
Study on the Two-Photon Transition from ψ(2s) to J/ψ at BESIII
Study on the Two-Photon Transition from ψ(2s) to J/ψ at BESIII 吕晓睿 Xiao-Rui Lu (E-mail: xiaorui@gucas.ac.cn) Graduate University of Chinese Academy of Sciences (GUCAS) List of Contents: Introduction (on
Reconstruction of. events in LHCb. Benjamin Carron
Reconstruction of B s J/ψ η, η c φ, J/ψ φ events in LHCb Benjamin Carron sanne Neuchâtel, March 3rd, 4 Swiss Physical Society 4 Physics Motivations Selection Procedure B s Channels analysis Selection Cuts
BEPC AND THE FUTURE PROGRAM AT IHEP
BEPC AND THE FUTURE PROGRAM AT IHEP Z.T. Zhao, S.H.Wang of BEPC Group IHEP, Chinese Academy of Sciences, P.O.Box 918, Beijing 100039, P.R.China Abstract Beijing Electron and Positron Collider (BEPC), a
hadronic decays at BESIII Abstract hadronic decays using a double tag technique. Among measurement for twelve Λ c
hadronic decays at BESIII Qingnian XU 1 University of Chinese Academy of Sciences (UCAS) 19B Yuquan Lu, Shijingshan District, Beijing, China E-mail:xuqingnian10@mails.ucas.ac.cn. Abstract Based on 567
The ATLAS Liquid Argon Calorimeter: Construction, Integration, Commissioning Ph. Schwemling on behalf of the ATLAS LAr Group
The ATLAS Liquid Argon Calorimeter: Construction, Integration, Commissioning Ph. Schwemling on behalf of the ATLAS LAr Group Introduction Construction, Integration and Commissioning on the Surface Installation
Studies of charmonium(-like) states at BESIII
Studies of charmonium(-like) states at BESIII Jianming Bian 2015-05-20 University of Minnesota 1 Hadrons:normal & exotic In the quark model, hadrons are dominantly bound states of qqbar (mesons) or qqq
2008 JINST 3 S Outlook. Chapter 11
Chapter 11 Outlook The broad range of physics opportunities and the demanding experimental environment of highluminosity 14 TeV proton-proton collisions have led to unprecedented performance requirements
Particle detection 1
Particle detection 1 Recall Particle detectors Detectors usually specialize in: Tracking: measuring positions / trajectories / momenta of charged particles, e.g.: Silicon detectors Drift chambers Calorimetry:
Electromagnetic calorimeters of the CMD-3 detector
Electromagnetic calorimeters of the CMD-3 detector Budker Institute of Nuclear Physics D. Epifanov Outline: VEPP-2000 and CMD-3 Barrel calorimeter ( LXe + CsI) Endcap calorimeter ( BGO ) First results
Current status and results of the experiments at VEPP-2000
Current status and results of the experiments at VEPP-2000 Boris Shwartz, BINP, Novosibirsk, Introduction VEPP-2000 status Detectors Preliminary results 17.06.2013 MesonNet meeting, Prague, Czech Republic
Benjamin Carron Mai 3rd, 2004
Physics Motivations Reconstruction of B s J/ψ η Benjamin Carron Mai 3rd, 4 B s J/ψ (µ + µ ) η (γγ) and B s J/ψ (e + e ) η (γγ) Selection Cuts Resolutions BR of the η B/S Ratios Annual Signal Yields and
η and η physics at BESIII
η and η physics at BESIII Shuangshi Fang (for the Collaboration ) Institute of High Energy Physics, Beijing Chiral Dynamics 2015 June 29-July 03,2015, Pisa, Italy OUTLINE Introduction η/η events at BESIII
Future prospects for the measurement of direct photons at the LHC
Future prospects for the measurement of direct photons at the LHC David Joffe on behalf of the and CMS Collaborations Southern Methodist University Department of Physics, 75275 Dallas, Texas, USA DOI:
at BESIII (Representing BES Collaboration) Institute of High Energy Physics, Beijing FB18, Aug. 31- Sept. 5, 2009, Bonn, Germany
Results from BESII and Prospects at BESIII Xiaoyan SHEN (Representing BES Collaboration) Institute of High Energy Physics, Beijing FB18, Aug. 31- Sept. 5, 2009, Bonn, Germany Outline Introduction Results
Charmonium decays at the BESIII experiment
Charmonium decays at the BESIII experiment Hu Jifeng for BESIII Collaboration Graduate University of Chinese Academy of Science Beijing, China Jun. 13-17, 2011, Hadron2011, Muchen, Germany 6/13/2011 HU
Modern Accelerators for High Energy Physics
Modern Accelerators for High Energy Physics 1. Types of collider beams 2. The Tevatron 3. HERA electron proton collider 4. The physics from colliders 5. Large Hadron Collider 6. Electron Colliders A.V.
CLEO Results From Υ Decays
CLEO Results From Υ Decays V. Credé 1 2 1 Cornell University, Ithaca, NY 2 now at Florida State University Tallahassee, FL Hadron 05 Outline 1 Introduction The Υ System CLEO III Detector CLEO III Υ Data
Studies of charmonium production in e + e - annihilation and B decays at BaBar
Studies of charmonium production in e + e - annihilation and B decays at BaBar I. Garzia, INFN Sezione di Ferrara On behalf of the BaBar Collaboration XVI International Conference on Hadron Spectroscopy
The LHCb detector. Eddy Jans (Nikhef) on behalf of the LHCb collaboration
The LHCb detector Eddy Jans (Nikhef) on behalf of the LHCb collaboration design of sub-detectors, trigger and DAQ performance: resolutions and PID-properties commissioning with cosmics and beam induced
CESR and CLEO. Lepton Photon 99 Klaus Honscheid Ohio State University. Klaus Honscheid, LP 99 1
CESR and CLEO Lepton Photon 99 Klaus Honscheid Ohio State University Klaus Honscheid, LP 99 1 Where to B To measure a key CP parameter (sin(2β) β)) to ~ 10 % requires: a few hundred B 0 J/ψK s events +
ISR physics at BABAR
SLAC-PUB-499 ISR physics at BABAR S.Serednyakov, Budker Institute of Nuclear Physics, Novosibirsk, Russia Abstract A method of measuring e+e- annihilation cross sections at low energy s < 5 GeV, using
LHC Detectors and their Physics Potential. Nick Ellis PH Department, CERN, Geneva
LHC Detectors and their Physics Potential Nick Ellis PH Department, CERN, Geneva 1 Part 1 Introduction to the LHC Detector Requirements & Design Concepts 2 What is the Large Hadron Collider? Circular proton-proton
BES Highlights and R Measurement
BES Highlights and R Measurement Guangshun Huang University of Science and Technology of China(USTC) (For BESIII Collaboration) Nanjing University Outline Status of BEPCII/BESIII BESIII highlight: Z c±
Heavy Hadron Production and Spectroscopy at ATLAS
Heavy Hadron Production and Spectroscopy at ALAS Carlo Schiavi on behalf of the ALAS Collaboration INFN Sezione di Genova ALAS has studied heavy flavor production and measured the production cross sections
D 0 -D 0 mixing and CP violation at LHC
D -D mixing and CP violation at LHC Patrick Spradlin on behalf of the LHCb collaboration University of O Particle P 5 th International Workshop on the CKM Unitarity Triangle Rome, Italy 9-13 September
Post BEPCII and Super Tau Charm Factory
Post BEPCII and Super Tau Charm Factory Zhengguo Zhao Center of Par;cle Science and Technology University of Science and Technology of China 1 Outline Features of tau- charm energy region BEijing Spectrometer
Theory English (Official)
Q3-1 Large Hadron Collider (10 points) Please read the general instructions in the separate envelope before you start this problem. In this task, the physics of the particle accelerator LHC (Large Hadron
Electroweak Physics at the Tevatron
Electroweak Physics at the Tevatron Adam Lyon / Fermilab for the DØ and CDF collaborations 15 th Topical Conference on Hadron Collider Physics June 2004 Outline Importance Methodology Single Boson Measurements
First Results from CLEO-c
First Results from CLEO-c Thomas Coan Southern Methodist University CLEO Collaboration CLEO-c Physics Program D + µ + ν µ Decays Absolute Br(D hadrons) e + e - σ (DD) Summary 1 CLEO-c Physics Focus Heavy
MEG II 実験の準備状況と 今後の展望 東京大学 素粒子物理国際研究センター 岩本敏幸 他MEG II コラボレーション 2018年9月14日 日本物理学会2018年秋季大会 信州大学 JSPS Core-to-Core Program
MEG II MEG II 2018 9 14 2018 Introduction Flavor physics Why do we have three generations in the SM? charged Lepton Flavor Violation FV happens in quark, neutral lepton sector Why not in charged lepton
Quarkonium LHCb
Quarkonium Studies @ LHCb Giacomo Graziani (INFN Firenze) on behalf of the LHCb Collaboration December 5th, 2008 QWG08, Nara G. Graziani slide 1 QWG08 The LHCb Experiment dedicated to CP violation and
Belle/Belle II CsI(T l ) electromagnetic calorimeter
Belle/Belle II CsI(T l ) electromagnetic calorimeter Kenkichi Miyabayashi (Nara Women s University, Japan) Calorimeter workshop in ELPH 2015 Mar. 10 th 1 Outline Calorimeter for e + e - collider at region
Muon reconstruction performance in ATLAS at Run-2
2 Muon reconstruction performance in ATLAS at Run-2 Hannah Herde on behalf of the ATLAS Collaboration Brandeis University (US) E-mail: hannah.herde@cern.ch ATL-PHYS-PROC-205-2 5 October 205 The ATLAS muon
The Barrel DIRC Detector for the PANDA Experiment at FAIR
The Barrel DIRC Detector for the PANDA Experiment at FAIR TIPP 2017 conference (GSI) for the PANDA Cherenkov Group PANDA experiment Barrel DIRC design Expected performance Validation in beam tests Summary