Calorimetry in particle physics experiments
|
|
- Katherine Lamb
- 6 years ago
- Views:
Transcription
1 Calorimetry in particle physics experiments Universita' degli Studi di Torino Scuola di Dottorato Roberta Arcidiacono Universita' degli Studi del Piemonte Orientale INFN Torino
2 Program 1.The relevance of Calorimetry in HEP 2.The physics of calorimetry 3.Detector response: energy resolution 4.Electromagnetic calorimeters 5.Hadron calorimeters 6.Calorimeter design principles 7.Front-end and Trigger electronics R. Arcidiacono Calorimetry 2
3 Program (2) 8.Calibration techniques 9.Some examples Course duration: 16 hours 4 credits (~12 h frontal 4 h homework assignment) R. Arcidiacono Calorimetry 3
4 Calorimetry in particle physics experiments Unit n.1 The relevance of Calorimetry in HEP R. Arcidiacono Calorimetry 4
5 Lecture overview Definition of calorimeter Introduction on Calorimetry Why are calorimeters important in high energy experiments? R. Arcidiacono Calorimetry 5
6 Defi nition of Calorimeter Calorimeter object used in Calorimetry to measure transfer of heat (energy) in chemical reactions or physical changes in particle physics is a detector which measures the energy carried by a particle instrumented blocks of matter in which the particle to be measured interacts and deposits all its energy in the form of a cascade of particles whose energy decreases progressively down to the threshold of ionization/excitations detectable by the media R. Arcidiacono Calorimetry 6
7 Defi nition of Calorimeter In Thermodynamics: thermically hermetic box with a substance of which we want to measure the temperature 1 calorie (4.185 J): energy necessary to increase of one degree the temperature of 1 gr of water at 15 C In particle physics we measure ev (MeV-GeV-TeV 10 6, ev) 1 ev = energy acquired by one electron accelerated by a d.d.p of 1 V R. Arcidiacono Calorimetry 7
8 Main property of a calorimeter ENERGY MEASURED by TOTAL ABSORPTION Deposited energy detectable signal is PROPORTIONAL to the incoming energy The measurement is DESTRUCTIVE calorimeters can measure the energy of electromagnetic particles (electrons, photons) or hadronic particles ( charged pions, protons, neutrons) It is the charged component of the particles' cascade which deposits energy in the active part of the calorimeter, detected then in the form of charge or light R. Arcidiacono Calorimetry 8
9 Generic detector structure R. Arcidiacono Calorimetry 9
10 Introduction Three historical motivations to conceive calorimeters: 1. energy measurement (direction, time) for neutral particles π 0, n, η, K 0... bubble chambers/magnetic spectrometers could not do the job use cases: spectroscopy of exited states which decay into X + nπ 0 kinematic closure of event if possible (four-momentum conservation) - precise measurement of the event energy flow R. Arcidiacono Calorimetry 10
11 Introduction This last point particularly important at e+e- collider machines, where the annihilation process produces particles at relatively large angles with a total energy equal to the centre-of-mass collision energy (energy of the collision is very well known unlike in the hadronic colliders) Total Energy Measurement method Calorimeters essential to measure (hopefully) the total energy (and identify so the missing energy) R. Arcidiacono Calorimetry 11
12 Introduction 2. neutrino experiments Late 60's, early 70's: advent of intense high energy neutrino beam: need to have highly massive detectors acting as target as well - to study their interaction (cross section very small smaller than hadronic cross-sections) need to study the inelastic processes throughout the target massive detector should be uniformly sensitive to reaction products! Among the firsts: Gargamelle, CDHS R. Arcidiacono Calorimetry 12
13 Gargamelle Bubble chamber built during the late 1960s, and was designed principally for the detection of the neutrinos. Contains a liquid under pressure, which reveals the tracks of electrically charged particles as trails of tiny bubbles when the pressure is reduced. Neutrinos interact very rarely, so Gargamelle was designed not only to be as big as possible, but also to work with a dense liquid - Freon (CF3Br) - in which neutrinos would be more likely to interact. The final chamber was a cylinder, 4.8 m long and 1.85 m wide, with a volume of 12 cubic meters. R. Arcidiacono Calorimetry 13
14 Gargamelle Neutrino scattering from electron e e Z 0 n n EVIDENCE OF NEUTRAL CURRENTS such as the historic exposure on the right. The first direct evidence for a weak neutral current An electron scattered from a neutrino CERN 1973 R. Arcidiacono Calorimetry 14
15 CDHS CERN-Dortmund- Heidelberg-Saclay neutrino experiment Led by Jack Steinberger* Designed to study deep inelastic neutrino interactions in iron. The detector had a mass of 1250 tons and combined the functions of a muon spectrometer and hadron calorimeter. It consisted of 19 magnetized iron modules, separated from each other by wire drift chambers. December * Nobel Prize in 1988 (with Lederman & Schwartz): conception/realization of high energy neutrino beam ( discovery of muonic neutrino) R. Arcidiacono Calorimetry 15
16 Introduction 3. jets physics as a consequence of asymptotic freedom (QCD), the particles constituents behave like free particles in collisions with very high momentum transfer in High Q 2 reactions -> constituents collision as a consequence of confinement, the constituents hadronize producing JETS The jet retains the direction and energy of the parent parton Jet study becomes colliders Moving from description of the single particles to measurement of global characteristics (energy flow, missing energy, jets) R. Arcidiacono Calorimetry 16
17 Introduction LEP e+e- Z q qbar R. Arcidiacono Calorimetry 17
18 Introduction Moreover: parton-parton cross-section << total cross-section Need to trigger and measure groups of hadrons (neutral and charged) coming from the hadronization process Interest is on High P T jets Trigger: not useful to try to trigger on the P T of a single isolated hadron (which is typically not so high). Need to trigger on jet P T Measure: in many physics cases it is essential to measure all the collision energy flow: need hermetic detector CALORIMETERS!! R. Arcidiacono Calorimetry 18
19 Introduction Calorimeters play a fundamental role in measuring jets characteristics (too complicated to measure at the individual particle level) They measure energy of ALL interacting particles, particularly high energy when particle density is high; can provide simple and fast trigger R. Arcidiacono Calorimetry 19
20 Introduction The visible final state is constituted by stable hadrons (cτγ >> meters) π+,π-, k+,k-, k 0, p+ p-,n nbar, π 0 (photons) In the hadronization process of heavy quarks also heavy hadrons are produced. They decay weakly (few mm) and only the decay products are detected. 30% of jet energy is due to em particles as well (from π 0 ). R. Arcidiacono Calorimetry 20
21 Why calorimeters are so appealing Calorimeter energy resolution typically improves with energy as 1/ E magnetic spectrometer calorimeters E / E 1/ E spectrometers p / p p R. Arcidiacono Calorimetry 21
22 Why calorimeters are so appealing They are sensitive to all type of particles, charged and neutrals magnetic spectrometers Versatile: can measure energy, position, direction, time and even particle ID Can be used in trigger systems signal is fast and easy to process Shower length increases as log E detector thickness increases logarithmically with the energy of the particles magnetic spectrometers R. Arcidiacono Calorimetry 22
The achievements of the CERN proton antiproton collider
The achievements of the CERN proton antiproton collider Luigi DiLella Scuola Normale Superiore, Pisa, Italy Motivation of the project The proton antiproton collider UA1 and UA2 detectors Discovery of the
More informationDiscovery of the W and Z 0 Bosons
Discovery of the W and Z 0 Bosons Status of the Standard Model ~1980 Planning the Search for W ± and Z 0 SppS, UA1 and UA2 The analyses and the observed events First measurements of W ± and Z 0 masses
More informationLecture 11. Weak interactions
Lecture 11 Weak interactions 1962-66: Formula/on of a Unified Electroweak Theory (Glashow, Salam, Weinberg) 4 intermediate spin 1 interaction carriers ( bosons ): the photon (γ) responsible for all electromagnetic
More informationetectors for High Energy Physics
3rd WORKSHOP ON PARTICLE PHYSICS NATIONAL CENTRE FOR PHYSICS (QUAID-I-AZAM UNIVERSITY) etectors for High Energy Physics Lecture II General Detector Concepts Gigi Rolandi Cern Geneva - Switzerland http://rolandi.home.cern.ch/rolandi/
More informationThe ATLAS Detector - Inside Out Julia I. Hofmann
The ATLAS Detector - Inside Out Julia I. Hofmann KIP Heidelberg University Outline: 1st lecture: The Detector 2nd lecture: The Trigger 3rd lecture: The Analysis (mine) Motivation Physics Goals: Study Standard
More informationY2 Neutrino Physics (spring term 2017)
Y2 Neutrino Physics (spring term 2017) Lecture 5 Discoveries of the leptons Dr E Goudzovski eg@hep.ph.bham.ac.uk http://epweb2.ph.bham.ac.uk/user/goudzovski/y2neutrino Previous lecture In 1940s, nuclear
More informationResults from the Tevatron: Standard Model Measurements and Searches for the Higgs. Ashutosh Kotwal Duke University
Results from the Tevatron: Standard Model Measurements and Searches for the Higgs Ashutosh Kotwal Duke University SLAC Summer Institute 31 July 2007 Why Build Accelerators? From Atoms to Quarks Scattering
More information2 ATLAS operations and data taking
The ATLAS experiment: status report and recent results Ludovico Pontecorvo INFN - Roma and CERN on behalf of the ATLAS Collaboration 1 Introduction The ATLAS experiment was designed to explore a broad
More informationLast Friday: pp(bar) Physics Intro, the TeVatron
Last Friday: pp(bar) Physics Intro, the TeVatron Today: The Large Hadron Collider (LHC) The Large Hadron Collider (LHC) 7 TeV + 7 TeV Protons Protons 10 11 Protons per bunch Bunch Crossings 4x10 7 Hz Proton
More informationHERA e-p scattering events observed in the H1Detector. H1 Events Joachim Meyer DESY
HERA e-p scattering events observed in the H1Detector H1 Events Joachim Meyer DESY 2005 1 The idea The realisation The Physics The events H1 Events Joachim Meyer DESY 2005 2 What we think what happens,
More informationReconstruction in Collider Experiments (Part IX)
Introduction to Hadronic Final State Reconstruction in Collider Experiments Introduction to Hadronic Final State Reconstruction in Collider Experiments (Part IX) Peter Loch University of Arizona Tucson,
More informationWhat detectors measure
What detectors measure As a particle goes through matter, it releases energy Detectors collect the released energy and convert it to electric signals recorded by DAQ Raw event record is a collection of
More informationPhysics at Hadron Colliders
Physics at Hadron Colliders Part 2 Standard Model Physics Test of Quantum Chromodynamics - Jet production - W/Z production - Production of Top quarks Precision measurements -W mass - Top-quark mass QCD
More informationExperimental Particle Physics Informal Lecture & Seminar Series Lecture 1 Detectors Overview
Experimental Particle Physics Informal Lecture & Seminar Series 2013 Lecture 1 Detectors Overview Detectors in Particle Physics Let s talk about detectors for a bit. Let s do this with Atlas and CMS in
More informationThe Particle World. This talk: What is our Universe made of? Where does it come from? Why does it behave the way it does?
The Particle World What is our Universe made of? Where does it come from? Why does it behave the way it does? Particle physics tries to answer these questions. This talk: particles as we understand them
More informationThe ATLAS Experiment and the CERN Large Hadron Collider
The ATLAS Experiment and the CERN Large Hadron Collider HEP101-4 February 20, 2012 Al Goshaw 1 HEP 101 Today Introduction to HEP units Particles created in high energy collisions What can be measured in
More informationStandard Model of Particle Physics SS 2012
Lecture: Standard Model of Particle Physics Heidelberg SS 2012 W- and Z-Bosons 1 2 Contents Discovery of real W- and Z-bosons Intermezzo: QCD at Hadron Colliders LEP + Detectors W- and Z- Physics at LEP
More informationThe Discovery of the Higgs Boson: one step closer to understanding the beginning of the Universe
The Discovery of the Higgs Boson: one step closer to understanding the beginning of the Universe Anna Goussiou Department of Physics, UW & ATLAS Collaboration, CERN Kane Hall, University of Washington
More informationParticle Physics Columbia Science Honors Program
Particle Physics Columbia Science Honors Program Week 10: LHC and Experiments April 8th, 2017 Inês Ochoa, Nevis Labs, Columbia University 1 Course Policies Attendance: Up to four excused absences (two
More informationModern 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.
More informationFuture 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:
More informationElementary Particle Physics Glossary. Course organiser: Dr Marcella Bona February 9, 2016
Elementary Particle Physics Glossary Course organiser: Dr Marcella Bona February 9, 2016 1 Contents 1 Terms A-C 5 1.1 Accelerator.............................. 5 1.2 Annihilation..............................
More informationDeep Inelastic Scattering in Lepton-Hadron Collisions Probing the Parton Structure of the Nucleon with Leptons Basic Formalism (indep.
Deep Inelastic Scattering in Lepton-Hadron Collisions Probing the Parton Structure of the Nucleon with Leptons Basic Formalism (indep. of strong dynamics and parton picture) Experimental Development Fixed
More informationA brief history of accelerators, detectors and experiments: (See Chapter 14 and Appendix H in Rolnick.)
Physics 557 Lecture 7 A brief history of accelerators, detectors and experiments: (See Chapter 14 and Appendix H in Rolnick.) First came the study of the debris from cosmic rays (the God-given particle
More informationStandard Model of Particle Physics SS 2012
Lecture: Standard Model of Particle Physics Heidelberg SS 2012 Experimental Tests of QED Part 2 1 Overview PART I Cross Sections and QED tests Accelerator Facilities + Experimental Results and Tests PART
More informationATLAS EXPERIMENT : HOW THE DATA FLOWS. (Trigger, Computing, and Data Analysis)
ATLAS EXPERIMENT : HOW THE DATA FLOWS (Trigger, Computing, and Data Analysis) In order to process large volumes of data within nanosecond timescales, the trigger system is designed to select interesting
More informationParticle + Physics at ATLAS and the Large Hadron Coillder
Particle + Physics at ATLAS and the Large Hadron Coillder Discovering the elementary particles of the Universe Kate Shaw The International Centre for Theoretical Physics + Overview Introduction to Particle
More informationCalorimetry in particle physics experiments
Calorimetry in particle physics experiments Unit N. 9 The NA48 ECAL example (LKR) Roberta Arcidiacono R. Arcidiacono Calorimetry 1 Lecture overview The requirements Detector layout & construction Readout
More informationHadronic Calorimetry
Hadronic Calorimetry Urs Langenegger (Paul Scherrer Institute) Fall 2014 ALEPH hadronic showers compensation detector effects neutron detection Hadronic showers simulations 50 GeV proton into segmented
More informationParticle 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:
More informationDecay rates and Cross section. Ashfaq Ahmad National Centre for Physics
Decay rates and Cross section Ashfaq Ahmad National Centre for Physics 11/17/2014 Ashfaq Ahmad 2 Outlines Introduction Basics variables used in Exp. HEP Analysis Decay rates and Cross section calculations
More informationExperimental Aspects of Deep-Inelastic Scattering. Kinematics, Techniques and Detectors
1 Experimental Aspects of Deep-Inelastic Scattering Kinematics, Techniques and Detectors 2 Outline DIS Structure Function Measurements DIS Kinematics DIS Collider Detectors DIS process description Dirac
More informationQGP event at STAR. Patrick Scott
QGP event at STAR Patrick Scott Overview What is quark-gluon plasma? Why do we want to study quark-gluon plasma? How do we create quark-gluon plasma? The past and present SPS and RHIC The future LHC and
More informationInteraction of particles in matter
Interaction of particles in matter Particle lifetime : N(t) = e -t/ Particles we detect ( > 10-10 s, c > 0.03m) Charged particles e ± (stable m=0.511 MeV) μ ± (c = 659m m=0.102 GeV) ± (c = 7.8m m=0.139
More informationStandard Model of Particle Physics SS 2013
Lecture: Standard Model of Particle Physics Heidelberg SS 2012 Experimental Tests of QED Part 2 1 Overview PART I Cross Sections and QED tests Accelerator Facilities + Experimental Results and Tests PART
More informationParticle accelerators
Particle accelerators Charged particles can be accelerated by an electric field. Colliders produce head-on collisions which are much more energetic than hitting a fixed target. The center of mass energy
More informationDiscovery of muon neutrino
Discovery of muon neutrino Maria Lorenzon July 22, 2010 The article I will mainly refer to is Observation of high-energy neutrino reactions and the existence of two kinds of neutrinos, written by G. Danby,
More informationStandard Model of Particle Physics SS 2012
Lecture: Standard Model of Particle Physics Heidelberg SS 22 Fermi Theory Standard Model of Particle Physics SS 22 2 Standard Model of Particle Physics SS 22 Fermi Theory Unified description of all kind
More informationQCD cross section measurements with the OPAL and ATLAS detectors
QCD cross section measurements with the OPAL and ATLAS detectors Abstract of Ph.D. dissertation Attila Krasznahorkay Jr. Supervisors: Dr. Dezső Horváth, Dr. Thorsten Wengler University of Debrecen Faculty
More informationLecture 8. CPT theorem and CP violation
Lecture 8 CPT theorem and CP violation We have seen that although both charge conjugation and parity are violated in weak interactions, the combination of the two CP turns left-handed antimuon onto right-handed
More informationThe Importance of High-Precision Hadronic Calorimetry to Physics
The Importance of High-Precision Hadronic Calorimetry to Physics John Hauptman, Iowa State University IAS Program in High Energy Physics The Hong Kong University of Science and Technology 4-30 January
More informationHadronic energy reconstruction in the combined electromagnetic and hadronic calorimeter system of the CALICE Collaboration
Hadronic energy reconstruction in the combined electromagnetic and hadronic calorimeter system of the CALICE Collaboration Miroslav Gabriel MPP/TUM 29th IMPRS Workshop July 7th 2014 1 / 22 ILC and Calorimetry
More informationHadronic Calorimetry
Hadronic Calorimetry Urs Langenegger (Paul Scherrer Institute) Fall 2015 ALEPH Hadronic showers Compensation Neutron detection Hadronic showers simulations 50 GeV proton into segmented iron (simulation)
More informationHigh Energy Physics. QuarkNet summer workshop June 24-28, 2013
High Energy Physics QuarkNet summer workshop June 24-28, 2013 1 The Birth of Particle Physics In 1896, Thompson showed that electrons were particles, not a fluid. In 1905, Einstein argued that photons
More informationStandard Model of Particle Physics SS 2013
Lecture: Standard Model of Particle Physics Heidelberg SS 23 Fermi Theory Standard Model of Particle Physics SS 23 2 Standard Model of Particle Physics SS 23 Weak Force Decay of strange particles Nuclear
More informationLecture 2 & 3. Particles going through matter. Collider Detectors. PDG chapter 27 Kleinknecht chapters: PDG chapter 28 Kleinknecht chapters:
Lecture 2 & 3 Particles going through matter PDG chapter 27 Kleinknecht chapters: 1.2.1 for charged particles 1.2.2 for photons 1.2.3 bremsstrahlung for electrons Collider Detectors PDG chapter 28 Kleinknecht
More informationExperimental verification of the Salaam-Weinberg model. Pásztor Attila, Eötvös University Experimental Particle Physics Student Seminar
Experimental verification of the Salaam-Weinberg model Pásztor Attila, Eötvös University Experimental Particle Physics Student Seminar Contents Theoretical considerations Discovery of W and Z bosons (and
More informationAIM AIM. Study of Rare Interactions. Discovery of New High Mass Particles. Energy 500GeV High precision Lots of events (high luminosity) Requirements
AIM AIM Discovery of New High Mass Particles Requirements Centre-of-Mass energy > 1000GeV High Coverage Study of Rare Interactions Requirements Energy 500GeV High precision Lots of events (high luminosity)
More informationATLAS Z-Path Masterclass 2013
ATLAS Z-Path Masterclass 2013 It is the dawn of an exciting age of new discovery in particle physics! At CERN, the LHC and its experiments are up and running. The LHC and New Physics The ATLAS detector
More informationParticle Physics with Electronic Detectors
Particle Physics with Electronic Detectors This experiment performed by the Oxford group on the 7 GeV proton synchrotron, NIMROD, at the Rutherford Laboratory in 1967 gave the first usefully accurate measurement
More informationHadronic Showers. KIP Journal Club: Calorimetry and Jets 2009/10/28 A.Kaplan & A.Tadday
Hadronic Showers KIP Journal Club: Calorimetry and Jets 2009/10/28 A.Kaplan & A.Tadday Hadronic Showers em + strong interaction with absorber similarities to em-showers, but much more complex different
More informationHigh Energy Physics. Lecture 9. Deep Inelastic Scattering Scaling Violation. HEP Lecture 9 1
High Energy Physics Lecture 9 Deep Inelastic Scattering Scaling Violation HEP Lecture 9 1 Deep Inelastic Scattering: The reaction equation of DIS is written e+ p e+ X where X is a system of outgoing hadrons
More information7 Physics at Hadron Colliders
7 Physics at Hadron Colliders The present and future Hadron Colliders - The Tevatron and the LHC Test of the Standard Model at Hadron Colliders Jet, W/Z, Top-quark production Physics of Beauty Quarks (T.
More informationPhysics 663. Particle Physics Phenomenology. April 23, Physics 663, lecture 4 1
Physics 663 Particle Physics Phenomenology April 23, 2002 Physics 663, lecture 4 1 Detectors Interaction of Charged Particles and Radiation with Matter Ionization loss of charged particles Coulomb scattering
More informationThe God particle at last? Astronomy Ireland, Oct 8 th, 2012
The God particle at last? Astronomy Ireland, Oct 8 th, 2012 Cormac O Raifeartaigh Waterford Institute of Technology CERN July 4 th 2012 (ATLAS and CMS ) A new particle of mass 125 GeV I The Higgs boson
More informationCharged Particle Multiplicity in pp Collisions at s = 13 TeV
Charged Particle Multiplicity in pp Collisions at s = 13 TeV Khadeejah ALGhadeer PhD in Engineering, Physics The Workshop of the APS Topical Group on Hadronic Physics Charged Particle Multiplicity IN PP
More informationThe Development of Particle Physics. Dr. Vitaly Kudryavtsev E45, Tel.:
The Development of Particle Physics Dr. Vitaly Kudryavtsev E45, Tel.: 0114 4531 v.kudryavtsev@sheffield.ac.uk The structure of the nucleon Electron - nucleon elastic scattering Rutherford, Mott cross-sections
More informationATLAS-CONF October 15, 2010
ATLAS-CONF-2010-096 October 15, 2010 Data-driven background estimation for the H τ + τ τ h search at 7 TeV with the ATLAS detector Ian Howley 7 December 2010 1 Motivation One of the primary LHC physics
More informationHiggs cross-sections
Ph.D. Detailed Research Project Search for a Standard Model Higgs boson in the H ZZ ( ) 4l decay channel at the ATLAS Experiment at Cern Ph.D. Candidate: Giacomo Artoni Supervisor: Prof. Carlo Dionisi,
More informationPhoton and neutral meson production in pp and PbPb collisions at ALICE
Photon and neutral meson production in pp and PbPb collisions at ALICE Dieter Roehrich University of Bergen, Norway for the ALICE Collaboration Nuclear collisions at the LHC Photons as a probe for the
More informationPoS(EPS-HEP2015)309. Electroweak Physics at LHCb
European Organisation for Nuclear Research (CERN), Switzerland E-mail: william.barter@cern.ch LHCb s unique forward acceptance allows for complementary measurements of electroweak boson production to those
More informationPhotons: Interactions
Photons: Interactions Photons appear in detector systems as primary photons, created in Bremsstrahlung and de-excitations Photons are also used for medical applications, both imaging and radiation treatment.
More informationCollider overview and kinematics
1 Collider overview and kinematics QCD studies at colliders 2 ee - ep - pp QCD collider studies Short Long distance Q: large momentum scale PEP, PETRA, Cornell, LEP, SLD, NLC SLAC, FNAL, CERN, HERA, erhic
More informationParticle Physics Homework Assignment 4
Particle Physics Homework Assignment 4 Prof. Costas Foudas March 01 Problem 1: Show the the momentum, p of a particle moving in a circular trajectory of radius, R, in a magnetic field, B, is given by:
More informationLecture 9. Isospin The quark model
Lecture 9 Isospin The quark model There is one more symmetry that applies to strong interactions. isospin or isotopic spin It was useful in formulation of the quark picture of known particles. We can consider
More informationExperimental Hadronic Physics at Florida State
Experimental Hadronic Physics at Florida State Prof. Volker Credé Prof. Paul Eugenio & Dr. Alexander Ostrovidov and graduate students N. Sparks, A. Wilson, C. Hanretty, S. Park, C. Bookwalter, M. Saini
More informationarxiv: v1 [hep-ex] 6 Jul 2007
Muon Identification at ALAS and Oliver Kortner Max-Planck-Institut für Physik, Föhringer Ring, D-005 München, Germany arxiv:0707.0905v1 [hep-ex] Jul 007 Abstract. Muonic final states will provide clean
More informationThe God particle at last? Science Week, Nov 15 th, 2012
The God particle at last? Science Week, Nov 15 th, 2012 Cormac O Raifeartaigh Waterford Institute of Technology CERN July 4 th 2012 (ATLAS and CMS ) A new particle of mass 125 GeV Why is the Higgs particle
More informationLHC State of the Art and News
LHC State of the Art and News ATL-GEN-SLIDE-2010-139 16 June 2010 Arno Straessner TU Dresden on behalf of the ATLAS Collaboration FSP 101 ATLAS Vulcano Workshop 2010 Frontier Objects in Astrophysics and
More information6-8 February 2017 Hotel do Mar Sesimbra. Hands on Neutrinos
6-8 February 2017 Hotel do Mar Sesimbra Hands on Neutrinos Hands on Neutrinos 1 I. BRIEF HISTORY OF NEUTRINOs The neutrinowas first postulated by Wolfgang Pauli in 1930 to explain how β particles emitted
More informationV0 cross-section measurement at LHCb. RIVET analysis module for Z boson decay to di-electron
V0 cross-section measurement at LHCb. RIVET analysis module for Z boson decay to di-electron Outline of the presentation: 1. Introduction to LHCb physics and LHCb detector 2. RIVET plug-in for Z e+e- channel
More informationParticle Acceleration
Nuclear and Particle Physics Junior Honours: Particle Physics Lecture 4: Accelerators and Detectors February 19th 2007 Particle Beams and Accelerators Particle Physics Labs Accelerators Synchrotron Radiation
More informationDigital Calorimetry for Future Linear Colliders. Tony Price University of Birmingham University of Birmingham PPE Seminar 13 th November 2013
Digital Calorimetry for Future Linear Colliders Tony Price University of Birmingham University of Birmingham PPE Seminar 13 th November 2013 Overview The ILC Digital Calorimetry The TPAC Sensor Electromagnetic
More informationPart II: Detectors. Peter Schleper Universität Hamburg
Part II: Detectors Peter Schleper Universität Hamburg 30.05.2018 Outline of the lecture: 1. Overview on detectors 2. Particle interactions with matter 3. Scintillators and photon detectors 4. Semiconductor
More informationFall Quarter 2010 UCSB Physics 225A & UCSD Physics 214 Homework 1
Fall Quarter 2010 UCSB Physics 225A & UCSD Physics 214 Homework 1 Problem 2 has nothing to do with what we have done in class. It introduces somewhat strange coordinates called rapidity and pseudorapidity
More informationJet Energy Calibration. Beate Heinemann University of Liverpool
Jet Energy Calibration Beate Heinemann University of Liverpool Fermilab, August 14th 2006 1 Outline Introduction CDF and D0 calorimeters Response corrections Multiple interactions η-dependent corrections
More informationLHC 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
More informationThe Physics of Particles and Forces David Wilson
The Physics of Particles and Forces David Wilson Particle Physics Masterclass 21st March 2018 Overview David Wilson (TCD) Particles & Forces 2/30 Overview of Hadron Spectrum Collaboration (HadSpec) scattering
More informationHeavy quark production in e + e - & pp collisions
Heavy quark production in e + e - & pp collisions Seminar talk by Bernhard Maaß 12. Dezember 2013 IKP TU Darmstadt Bernhard Maaß 1 Outline I. Introduction to heavy quark production II. Producing quarks
More informationStatus and Performance of the ATLAS Experiment
Status and Performance of the ATLAS Experiment P. Iengo To cite this version: P. Iengo. Status and Performance of the ATLAS Experiment. 15th International QCD Conference (QCD 10), Jun 2010, Montpellier,
More informationDiscovery of the Muon Neutrino
Discovery of the Muon Neutrino Tony Thompson 1 Selected History 1930: Neutrino Predicted (energy not conserved in beta decays) 1937: Muon Discovered 1941: Muon shown to decay into electron + neutrino(s)
More informationAnalyzing CMS events
Quarknet University of Rochester, March 23, 2012 Analyzing CMS events Questions in Particle Physics Introducing the Standard Model The Large Hadron Collider The CMS detector W and Z bosons: decays ispy
More informationIntroduction to CERN and CMS
Introduction to CERN and CMS and background for the CMS analysis Jamie Gainer University of Hawaii at Manoa April 1, 2017 What do I do? I am a postdoc at UH Manoa I am a theorist In physics there are theorists:
More informationParticle Detectors. Summer Student Lectures 2010 Werner Riegler, CERN, History of Instrumentation History of Particle Physics
Particle Detectors Summer Student Lectures 2010 Werner Riegler, CERN, werner.riegler@cern.ch History of Instrumentation History of Particle Physics The Real World of Particles Interaction of Particles
More informationThe Particle Adventure Internet Activity-III
Name The Particle Adventure Internet Activity-III Directions: Proceed to http://particleadventure.org Click on Start Here On the Home Glossary/Table of Contents at left, go to the How Do We Experiment
More informationZ boson studies at the ATLAS experiment at CERN. Giacomo Artoni Ph.D Thesis Project June 6, 2011
Z boson studies at the ATLAS experiment at CERN Giacomo Artoni Ph.D Thesis Project June 6, 2011 Outline Introduction to the LHC and ATLAS ((Very) Brief) Z boson history Measurement of σ Backgrounds Acceptances
More informationThe ALICE Experiment Introduction to relativistic heavy ion collisions
The ALICE Experiment Introduction to relativistic heavy ion collisions 13.06.2012 Introduction to relativistic heay ion collisions Anna Eichhorn 1 Facts about ALICE ALICE A Large Ion Collider Experiment
More informationIntroduction of CMS Detector. Ijaz Ahmed National Centre for Physics, Islamabad
Introduction of CMS Detector Ijaz Ahmed National Centre for Physics, Islamabad Layout of my Lectures: 1) Introduction of CMS Detector 2) CMS sub-detectors 3) CMS Trigger System Contents Introduction of
More informationTesting the m-e universality with ±
Testing the m-e universality with ± ± K l n decays Venelin Kozhuharov University of Sofia St. Kl. Ohridski / JINR Dubna Neutrino Oscilation Workshop 2006 on behalf of the NA48/2 collaboration Cambridge,
More informationThe Development of Particle Physics. Dr. Vitaly Kudryavtsev E45, Tel.:
The Development of Particle Physics Dr. Vitaly Kudryavtsev E45, Tel.: 0114 2224531 v.kudryavtsev@sheffield.ac.uk Discovery of the muon and the pion Energy losses of charged particles. This is an important
More informationPHY492: Nuclear & Particle Physics. Lecture 24. Exam 2 Particle Detectors
PHY492: Nuclear & Particle Physics Lecture 24 Exam 2 Particle Detectors Exam 2 April 16, 2007 Carl Bromberg - Prof. of Physics 2 Exam 2 2. Short Answer [4 pts each] a) To describe the QCD color quantum
More informationDetecting. Particles
Detecting Experimental Elementary Particle Physics Group at the University of Arizona + Searching for Quark Compositeness at the LHC Particles Michael Shupe Department of Physics M. Shupe - ATLAS Collaboration
More information(a) (b) Fig. 1 - The LEP/LHC tunnel map and (b) the CERN accelerator system.
Introduction One of the main events in the field of particle physics at the beginning of the next century will be the construction of the Large Hadron Collider (LHC). This machine will be installed into
More informationDedicated Arrays: MEDEA GDR studies (E γ = MeV) Highly excited CN E*~ MeV, 4 T 8 MeV
Dedicated Arrays: MEDEA GDR studies (E γ = 10-25 MeV) Highly excited CN E*~ 250-350 MeV, 4 T 8 MeV γ-ray spectrum intermediate energy region 10 MeV/A E beam 100 MeV/A - large variety of emitted particles
More informationSFB 676 selected theory issues (with a broad brush)
SFB 676 selected theory issues (with a broad brush) Leszek Motyka Hamburg University, Hamburg & Jagellonian University, Krakow Physics of HERA and goals of the Large Hadron Collider The Higgs boson Supersymmetry
More information3.2 DIS in the quark parton model (QPM)
Experimental studies of QCD 1. Elements of QCD 2. Tests of QCD in annihilation 3. Studies of QCD in DIS 4. QCD in collisions 3.2 DIS in the quark parton model (QPM) M W Elastic scattering: W = M only one
More informationLHC. Jim Bensinger Brandeis University New England Particle Physics Student Retreat August 26, 2004
Experiments @ LHC Jim Bensinger Brandeis University New England Particle Physics Student Retreat August 26, 2004 Outline of Presentation Existing Spectrometers A Certain Sameness The Basic Interaction
More informationUNIVERSITÀ DEGLI STUDI DI MILANO - BICOCCA DIPARTIMENTO DI FISICA G. OCCHIALINI CORSO DI DOTTORATO IN FISICA E ASTRONOMIA CICLO XXVII
UNIVERSITÀ DEGLI STUDI DI MILANO - BICOCCA DIPARTIMENTO DI FISICA G. OCCHIALINI CORSO DI DOTTORATO IN FISICA E ASTRONOMIA CICLO XXVII Measurement of the branching fraction of B c + J/ψπ + π π + relative
More informationExperimental results on nucleon structure Lecture I. National Nuclear Physics Summer School 2013
Experimental results on nucleon structure Lecture I Barbara Badelek University of Warsaw National Nuclear Physics Summer School 2013 Stony Brook University, July 15 26, 2013 Barbara Badelek (Univ. of Warsaw
More information-221. FEATURES OF EXPERIMENTS AT ENERGIES ABOVE 1 TeV
-221 FEATURES OF EXPERIMENTS AT ENERGIES ABOVE 1 TeV V. I. Kryshkin, Yu. D. Prokoshkin, A. S. Vovenko, V. A. Yarba, and A. M. Zaitsev Institute for High Energy Physics, Serpukhov, USSR 1. INTRODUCTION
More information