Status of KIMS-NaI experiment
|
|
- Lucas Butler
- 6 years ago
- Views:
Transcription
1 Status of KIMS-NaI experiment Hyun Su Lee Institute for Basic Science, Korea On behalf of the KIMS Collaboration XIV International Conference on Topics in Astroparticle and Underground Physics
2 KIMS-NaI experiment DAMA To confirm DAMA annual modulation signature v CsI is not enough for WIMP-Na interaction v Same NaI crystal for the same annual modulation signature Need to develop ultra-pure NaI(Tl) crystals v Goal is less than DAMA background (~1 dru = 1 counts/kev/kg/day) v 200 kg 3 years data will prove DAMA signature without any ambiguity 2
3 KIMS-NaI crystals Development of low background NaI(Tl) crystals NaI-001 NaI-002 NaI-003 NaI-004 NaI-005 NaI-006 Mass 8.26 kg 9.15 kg 3.35kg 3.35kg 9.16 kg kg Powder AS AS SA-AG SA-CG AS SA-CG Crystal AS AS AS AS AS BH Arrive K.W.Kim et al., Astropart. Phys. 62, 249 (2015) NaI-007 (replacement of NaI-005) was arrived at Y2L Glossary AS = Alpha Spectra Inc (US company) SA-AG = Sigma Adrich, Astro-grade (less K40) SA-CG = Sigma Adrich, Crystal-grade BH = Beijing Hamamatsu (China) 3
4 KIMS-NaI detector module NaI-002 in a Cu case PMT R12669SEL CsI CsI CsI CsI Hamamastu R12669 PMTs are attached v Supposed same PMTs with recently upgraded DAMA PMTs v ~35% quantum efficiency at 420nm Light Yield: ~15 photoelectrons/kev v Consistent with ANAIS-25 Data taking v 400MHz Flash ADC (Notice Korea) q Flexible trigger logic with FPGA q Trigger condition: 1 PE/PMT within 0ns CsI CsI CsI CsI CsI ~200 ns decay time 4
5 Intrinsic Background 40 K Coincidence signals NaI-001 ~ 3keV 1460keV DAMA crystals : ~20 ppb 1.25 ± 0.09 mbq/kg 41.4 ± 2.99 ppb Geant4 simulation on efficiency NaI-001 NaI-002 NaI-003 NaI-004 NaI-005 NaI-006 K (ppb) 41.4 ± ± ± 2.4 > ± 4.2 > 150 5
6 Intrinsic Background 40 K NaI-001 NaI-002 NaI-003 NaI-004 NaI-005 NaI-006 K (ppb) 41.4 ± ± ± 2.4 > ± 4.2 > 150 Powder AS AS SA-AG SA-CG AS SA-CG K (powder)?? ~200? ~200 NaI-003 used Sigma Adrich Astro-Grade (SA-AG) powder 25 ppb NaI-004 & NaI-006 used Crystal-Grade (SA-CG) powder All Alpha Spectra prepared powders (NaI-001, NaI-002, NaI-005) ~ 40 ppb levels NaI powder is a key of K contamination We will grow one another crystal using different batch of SA-AG powder v ~ ppb from ICP-MS by Sigma Aldrich 6
7 Intrinsic Background (alpha analysis) alpha Radionuclei NaI-001 [mbq/kg] NaI-002 [mbq/kg] 238 U ( 214 Bi) <0.007 <0.001 gamma 228 Th ( 216 Po) < ± Po 3.28± ±0.01 Total alphas 3.29± ± U and 228 Th contaminations were very small!! 232 Th chain α α coincidence 238 U chain β α coincidence Rn Po τ = 209 ms 214Po 214Bi τ = 237 μs 7
8 Intrinsic Background 2 Pb alpha gamma Most of alphas are coming from 2 Po Broken equilibrium (Rn-222 contamination) during powder or crystallization Total alpha (mbq/kg) NaI-001 NaI-002 NaI-003 NaI-004 NaI-005 NaI ± ± ± ± ± 0.02 Powder AS AS SA-AG SA-CG AS SA-CG NaI-005 had better treatment of chemical process on powder and better control of Rn contamination during crystal growing 8
9 Intrinsic Background 2 Pb Total alpha (mbq/kg) alpha gamma Most of alphas are coming from 2 Po Broken equilibrium (Rn-222 contamination) during powder NaI005 or crystallization NaI005 (first week at Y2L NaI-001 NaI-002 NaI-003 NaI-004 NaI-005 NaI ± 0.01 (after 4 weeks) NaI Pb (after 1.81 two ± 0.01 ± 0.03 ± 0.01 years) ± 0.02 Powder AS AS SA-AG SA-CG AS SA-CG NaI-003, NaI-004, and NaI-005 had better treatment on air (Rn) contact during crystal growing NaI-005 had better treatment of chemical process on powder 9
10 Intrinsic Background 2 Pb Crystal manufactured at April, 2013 Crystal manufactured at April, 2014 Crystal manufactured at Jul, 2014 Crystal manufactured at Oct, 2014
11 To understand and reduce 2Pb contamination Alpha counter v 2Po in NaI powder v See M.H.Lee s talk Well- type HPGe detector v 2Pb in NaI powder v Will be installed at Y2L UltraLo-1800 at Y2L (ionization chamber) Purification of NaI powder with ion- exchange resin v ~ 300 reduction of Pb with dirty NaI powder v ~ reduction of Pb with normal NaI powder v Will grow crystals with and without resin purification TAUP 2015, Hyun Su Lee, Institute for Basic Science 11
12 Background understanding Including most of possible internal & external components v Some cosmogenic components were not included yet Amount of each background components are in general floated for the likelihood fit Final optimization is underway 12
13 Internal/External background Te/I cosmogenic activation plus 40 K NaI-002 NaI-005 NaI K=49 ppb 2 Pb=1.8 mbq/kg We achieved ~2 dru at 6keV ~ 0.5 dru caused by internal backgrounds ( 2 Pb) v Additional ~0.7 dru at 2-4 kev due to 40 K Simulation for external and cosmogenic activation is under development ~ 1.5 dru caused by external and cosmogenic Goal : less than 1 dru (both less than 0.5 dru) 13
14 Prototype liquid scintillator veto system We prepared liquid scintillator active veto system v Veto efficiencies for sources from PMT radioisotopes (U, Th, K) were greater than 80% at low energy (0- kev) Liquid Scintillator (LS) Prototype Internal 40 K ~ 40% veto efficiency NaI-002 crystal 14
15 Preliminary result of LS veto system Energy spectrum of LS detector # of events # of events Energy(keV) Energy(keV) kev veto threshold 15
16 Preliminary result of LS veto system 3 Counts/kg/keV/day Counts/keV/kg/day h_multiple h_single h_total Total hit Total hit h1 h1 Entries Entries Mean Hit on NaI only Entries Mean RMS RMS Mean Vetoed events RMS Underflow 0 Overflow 0 Hit on NaI only Vetoed events Energy (kev) After veto ~2 dru background from 5keV (~ 1.5 dru from internal 2 Pb) 3keV 40 K can be much reduced with thinker LS Energy (kev) 16
17 Shield for NaI 200kg experiments NaI crystal Array 12.5kg X 16 crystals=200kg 40cm Thick liquid scintillator active veto To reduce the PMT related backgrounds Underground space is ready Construction will be finished by end of this year 17
18 Effective reduction of 40 K Count/keV/kg/day ~80% reduction 18
19 Prospect of NaI(Tl) crystal development 40 K less <ppb (< kev) v Powder with 40 K less than ppb is available v Effective reduction with LS veto 2 Pb less than 0.2 mbq/kg (<0.25 2keV) v Powder purification v Better control of Rn contamination during crystal growing External (<0.5 2keV) v Prototype LS veto already reach to ~0.5 dru level Goal : 200kg NaI detectors (less than 1 dru background) v More than 3 years stable data taking v Unambiguous test of DAMA/LIBRA signatures 19
20 Prospect of NaI(Tl) crystal development 200 kg 3 year 20
21 Phase-I experiment Shield for 200 kg NaI experiment will be ready by end of 2015 We will have ~ 50kg NaI crystals by end of 2015 v Background levels are varied but average about 2 dru One year data taking during 200 kg NaI will be ready Take advantage of good pulse shape discrimination Number of events Nuclear recoil (a) 1-2 kev JHEP, 08 (2015) ln(mt) (ln(ns)) (c) 3-4 kev Electron recoil Cross-section (pb) Number of events 0 kgk year TAUP 2015, Hyun Su Lee, Institute for Basic WIMP Science Mass (GeV/c ) (b) 2-3 kev ln(mt) (ln(ns)) 2 Expected (2 dru, 2 kev) ± 1σ ± 2σ Expected (1 dru, 1 kev) DAMA 3σ (d) 4-5 kev
22 Thank you for your attention
23 Backup
24 KIMS (Korea Invisible Mass Search) Dark matter search at Yangyang underground laboratory v May have new laboratory in Samcheok Funded by National Research Foundation of Korea (2000) v Dark matter (DM) search with CsI(Tl) crystals (KIMS-CsI) Establishing the Center for Underground Physics (CUP) in the Institute of Basic Science (IBS) (2013) v Upgrade of KIMS-CsI v DM searches with NaI(Tl) crystals (KIMS-NaI) v DM searches with low temperature detector (KIMS-LT) 24
25 Yangyang Underground Laboratory (Upper Dam) Y2L Korea Middleland Power Co. Yangyang Pumped Storage Power Plant Seoul 700 m (Power Plant) (Lower Dam) Minimum depth : 700 m Access to the lab by car (~2km) 25
26 Underground laboratory KIMS-NaI room New lab. ~ 200 m 2 Underground space for the KIMS-NaI was already prepared in Y2L v,000 class clean room v Rn free air will be supplied v Size of detector room ~50 m 2 26
27 Preliminary design of KIMS-NaI 2.4 m 2.4 m 2.6 m 200 kg NaI v 30 cm liquid scintillator veto (Active veto) v 6 cm Cu v 20 cm lead v Muon veto (3 cm plastic scintillator) v 30 cm Polyethylen 27
ANAIS: Status and prospects
LSC Laboratorio Subterráneo de Canfranc ANAIS: Status and prospects Miguel Ángel Oliván on behalf of the ANAIS team Universidad de Zaragoza Laboratorio Subterráneo de Canfranc RICAP 2014 Roma International
More informationarxiv: v2 [physics.ins-det] 17 Mar 2016
EPJ manuscript No. (will be inserted by the editor) Understanding internal backgrounds of NaI(Tl) crystals toward a kg array for the KIMS-NaI experiment arxiv:15.4519v [physics.ins-det] 17 Mar 16 P. Adhikari
More informationTesting DAMA/LIBRA signal with ANAIS-112
Testing DAMA/LIBRA signal with ANAIS-112 M. Martinez, On behalf of the ANAIS coll. 3rd IBS-MultiDark-IPPP Workshop, 21-25 November 2016, Lumley Castel, Durham OUTLINE The ANAIS program Detectors performance
More informationDark matter search with the SABRE experiment
Dark matter search with the SABRE experiment Giulia D Imperio* for the SABRE collaboration *INFN Roma 1 25-07-2017 TAUP 2017 Sudbury, Canada 1 Dark matter detection through annual modulation WIMP is one
More informationDARK MATTER SEARCHES AT CANFRANC: ANAIS AND ROSEBUD: an update INTRODUCTION AND EXPERIMENTAL GOALS SUMMARY OF RECENT ACHIEVEMENTS AND EFFORTS
DARK MATTER SEARCHES AT CANFRANC: ANAIS AND ROSEBUD: an update María Luisa Sarsa (Universidad de Zaragoza) On behalf of ANAIS & ROSEBUD Collaborations OUTLINE ANAIS INTRODUCTION AND EXPERIMENTAL GOALS
More informationMeasurement of nuclear recoil responses of NaI(Tl) crystal for dark matter search
Measurement of nuclear recoil responses of NaI(Tl) crystal for dark matter search Hanwool Joo on behalf of the KIMS-NaI collaboration Department of Physics and Astronomy, 1 Gwanak-ro, Gwanak-gu, Seoul
More informationANAIS: Status and prospects
ANAIS: Status and prospects J. Amaré, S. Cebrián, C. Cuesta, E. García, C. Ginestra, M. Martínez 1, M.A. Oliván, Y. Ortigoza, A. Ortiz de Solórzano, C. Pobes, J. Puimedón, M.L. Sarsa, J.A. Villar, P. Villar
More informationStatus of the ANAIS experiment at Canfranc
Status of the ANAIS experiment at Canfranc J. Amaré, B. Beltrán, J. M. Carmona, S. Cebrián, E. García, H. Gómez, G. Luzón,, J. Morales, A. Ortiz de Solórzano, C. Pobes, J. Puimedón, A. Rodriguez, J. Ruz,
More informationarxiv: v1 [physics.ins-det] 22 Dec 2016
Results from the DM-Ice17 Dark Matter Experiment at the South Pole arxiv:161.0746v1 [physics.ins-det] Dec 016, on behalf of the DM-Ice Collaboration Department of Physics and Wright Laboratory, Yale University
More informationWaveform Analysis for DM-Ice17. Zachary Pierpoint University of Wisconsin - Madison October 21, 2013 Yale Weak Interactions Discussions Group
Waveform Analysis for DM-Ice17 Zachary Pierpoint University of Wisconsin - Madison October 21, 213 Yale Weak Interactions Discussions Group DM-Ice17 Energy Spectrum counts / day / kev / kg 1 28 Tl+ 214
More informationarxiv: v1 [astro-ph.im] 10 Jun 2015
Background analysis and status of the ANAIS dark matter project arxiv:1506.03210v1 [astro-ph.im] 10 Jun 2015 J. Amaré, S. Cebrián, C. Cuesta 1, E. García, C. Ginestra, M. Martínez 2, M. A. Oliván, Y. Ortigoza,
More informationSodium-iodide with Active Background REjection. Irene Bolognino
Direct search of Dark Matter through the SABRE experiment SABRE Sodium-iodide with Active Background REjection Irene Bolognino Università degli studi di Milano, INFN 53 rd Rencontres de Moriond, La Thuile,
More informationMuon detector and muon flux measurement at Yangyang underground laboratory for the COSINE-100 experiment
Muon detector and muon flux measurement at Yangyang underground laboratory for the COSINE-100 experiment on behalf of the COSINE-100 Experiment Department of Physics, Bandung Institute of Technology, Bandung
More informationarxiv: v1 [physics.ins-det] 4 Nov 2017
arxiv:1711.01488v1 [physics.ins-det] 4 Nov 017 Current status and projected sensitivity of COSINE-0 WG Thompson, on behalf of the COSINE-0 Collaboration Department of Physics, Yale University, New Haven,
More informationDirect Dark Matter and Axion Detection with CUORE
Direct Dark Matter and Axion Detection with CUORE Marco Vignati University of Rome La Sapienza & INFN Rome on behalf of the CUORE collaboration Panic 11, July 5, MIT 988 TeO crystals Ton scale bolometric
More informationAMoRE 0 experiment using low temperature 40 Ca 100 MoO 4 calorimeters
AMoRE 0 experiment using low temperature 40 Ca 100 MoO 4 calorimeters Yong-Hamb Kim On behalf of AMoRE collaboration Institute for Basic Science (IBS) Korea Research Institute for Standards and Science
More informationGe and Dark Matter Searches: CDEX, present and future
Ge and Dark Matter Searches: CDEX, present and future -Ge detectors at LN temperature Lin, Shin-Ted / Sichuan University On behalf of CDEX Collaboration Oct. 19, 2015 (Materials Provided by Prof. Qian
More informationSensitivity of sodium iodide cryogenic scintillation-phonon detectors to WIMP signals
Journal of Physics: Conference Series PAPER OPEN ACCESS Sensitivity of sodium iodide cryogenic scintillation-phonon detectors to WIMP signals To cite this article: M Clark et al 2016 J. Phys.: Conf. Ser.
More informationXMASS: a large single-phase liquid-xenon detector
XMASS: a large single-phase liquid-xenon detector Katsuki Hiraide, the university of Tokyo for the XMASS Collaboration October 3 rd, 2016 IPRD16@Siena, Italy 1 XMASS project XMASS: a multi purpose experiment
More informationResults from 730 kg days of the CRESST-II Dark Matter Search
Results from 730 kg days of the CRESST-II Dark Matter Search Federica Petricca on behalf of the CRESST collaboration: Max-Planck-Institut für Physik, München TU München University of Oxford Universität
More informationThe Search for Dark Matter with the XENON Experiment
The Search for Dark Matter with the XENON Experiment Elena Aprile Columbia University Paris TPC Workshop December 19, 2008 World Wide Dark Matter Searches Yangyang KIMS Homestake LUX SNOLAB DEAP/CLEAN
More informationSearch for Low Energy Events with CUORE-0 and CUORE
Search for Low Energy Events with CUORE-0 and CUORE Kyungeun E. Lim (on behalf of the CUORE collaboration) Oct. 30. 015, APS Division of Nuclear Physics meeting, Santa Fe, NM The CUORE Experiment CUORE
More informationDistillation purification and radon assay of liquid xenon
Distillation purification and radon assay of liquid xenon Yasuo Takeuchi Kamioka Observatory, ICRR, Univ. of Tokyo, Kamioka-cho, Hida-shi, Gifu 56-125, Japan Abstract. We succeeded to reduce the Kr contamination
More informationWalter C. Pettus University of Wisconsin Madison. Weak Interactions Discussion Group Yale Physics 21 Oct 2013
Walter C. Pettus University of Wisconsin Madison Weak Interactions Discussion Group Yale Physics 21 Oct 2013 Dark Matter and DM- ICE Cosmogenic Activation in DM- ICE O(50 1000 kev ee ) Calibration Pulse
More informationDARK MATTER SEARCH AT BOULBY MINE
DARK MATTER SEARCH AT BOULBY MINE R. LUSCHER on behalf of the Boulby Dark Matter Collaboration (RAL, Imperial College, Sheffield, UCLA, Texas A&M, Pisa, ITEP, Coimbra, Temple and Occidental) Rutherford
More informationScintillation efficiency measurement of Na recoils in NaI(Tl) below the DAMA/LIBRA energy threshold
Scintillation efficiency measurement of Na recoils in NaI(Tl) below the DAMA/LIBRA energy threshold Jingke Xu, Princeton (now @LLNL) Sept 24, 2015 2015 LowECal Workshop, Chicago, IL Outline 1. Overview
More informationBackground Characterization and Rejection in the LZ Detector. David Malling Brown University IDM 2012 July 25, 2012
Background Characterization and Rejection in the LZ Detector David Malling Brown University IDM 2012 July 25, 2012 LZ Construction 2 Background Sources Ti cryostats 1500 kg
More informationStudies of the XENON100 Electromagnetic Background
Studies of the XENON100 Electromagnetic Background Daniel Mayani Physik-Institut University of Zurich PhD Seminar PSI, August 26-27, 2015 Searching for elusive particles The main challenge for experiments
More informationDarkSide new results and prospects
DarkSide new results and prospects Stefano Davini - INFN Genova on behalf of the DarkSide collaboration La Thuile, March 20, 2018 The DarkSide WIMP-argon program at LNGS 2011 2012 2013 2014 2015 2016 2017
More informationA survey of recent dark matter direct detection results
A survey of recent dark matter direct detection results I where we stand II recent results (CDMS, XENON10, etc) III DAMA results IV a bit about modulation V issues with DAMA results VI what to look for
More informationTechnical Specifications and Requirements on Direct detection for Dark Matter Searches
Technical Specifications and Requirements on Direct detection for Dark Matter Searches Jin Li THU/IHEP Symposium of the Sino-German GDT Cooperation 04/08/2013 Tübingen Outline Introduction Direct detection
More informationBackground Studies for the XENON100 Experiment. Alexander Kish Physics Institute, University of Zürich Doktorandenseminar August 30, 2010 UZH
Background Studies for the XENON100 Experiment Alexander Kish Physics Institute, University of Zürich Doktorandenseminar August 30, 2010 UZH The XENON dark matter search program Target Volume 62 kg Total
More informationMeasurement of 39 Ar in Underground Argon for Dark Matter Experiments
Measurement of 39 Ar in Underground Argon for Dark Matter Experiments Jingke Xu Princeton University June 7 th, 2013 1 Evidences for Dark Matter Rotation Curve Gravitational Lensing CMB Power Spectrum
More informationRecent results from the UK Dark Matter Search at Boulby Mine.
Recent results from the UK Dark Matter Search at Boulby Mine. Nigel Smith Rutherford Appleton Laboratory on behalf of the UK Dark Matter Collaboration (Imperial College, Sheffield, RAL) NaI scintillation
More informationThe XENON100 Dark Matter Experiment at LNGS: Status and Sensitivity
The XENON100 Dark Matter Experiment at LNGS: Status and Sensitivity Elena Aprile (on behalf of the XENON Collaboration) Columbia University,Physics Department, New York,NY, USA E-mail: age@astro.columbia.edu
More informationANAIS DARK MATTER EXPERIMENT XXXIX IMFP CANFRANC 10-FEB Carlos Pobes CPAN-PostDoc GIFNA. University of Zaragoza On behalf of ANAIS coll.
ANAIS DARK MATTER EXPERIMENT XXXIX IMFP CANFRANC 10-FEB-2011 Carlos Pobes CPAN-PostDoc GIFNA. University of Zaragoza On behalf of ANAIS coll. OUTLINE DM expected signal and DM direct detection The ANAIS
More informationDark Matter Detection and the XENON Experiment. 1 Abstract. 2 Introduction
Dark Matter Detection and the XENON Experiment Elena Aprile Physics Department and Columbia Astrophysics Laboratory Columbia University New York, New York 10027 1 Abstract Observations on all fronts strongly
More informationarxiv: v1 [hep-ex] 15 Dec 2009
The expected background spectrum in NaI dark matter detectors and the DAMA result V. A. Kudryavtsev 1, M. Robinson, N. J. C. Spooner Department of Physics and Astronomy, University of Sheffield, Sheffield,
More informationarxiv: v1 [physics.ins-det] 27 Sep 2018
Quenching factor measurement for a NaI(Tl) scintillation crystal arxiv:1809.10310v1 [physics.ins-det] 27 Sep 2018 H.W. Joo 1,2, H.S. Park 1,, J.H. Kim 1, S.K. Kim 2,, Y.D. Kim 3 H.S. Lee, 3, S.H. Kim 3
More informationDarkSide. Bianca Bottino Università di Genova and INFN Sezione di Genova on behalf of the DarkSide collaboration 1
DarkSide Bianca Bottino Università di Genova and INFN Sezione di Genova on behalf of the DarkSide collaboration 1 DARKSIDE MAIN FEATURES Dark Matter direct detection WIMP induced nuclear recoils Double
More informationMeasurements of liquid xenon s response to low-energy particle interactions
Measurements of liquid xenon s response to low-energy particle interactions Payam Pakarha Supervised by: Prof. L. Baudis May 5, 2013 1 / 37 Outline introduction Direct Dark Matter searches XENON experiment
More informationLight Dark Matter and XENON100. For the XENON100 Collaboration Rafael F. Lang Columbia University
Light Dark Matter and XENON100 For the XENON100 Collaboration Rafael F. Lang Columbia University rafael.lang@astro.columbia.edu The XENON Collaboration ~60 scientists from 12 institutions: University of
More informationBackground Modeling and Materials Screening for the LUX and LZ Detectors. David Malling Brown University LUX Collaboration AARM Meeting February 2011
Background Modeling and Materials Screening for the LUX and LZ Detectors David Malling Brown University LUX Collaboration AARM Meeting February 2011 1 Summary LUX screening program limits background contributions
More informationStatus of the AMoRE experiment searching for neutrinoless double beta decay of 100 Mo
Status of the AMoRE experiment searching for neutrinoless double beta decay of 100 Mo Hyon-Suk Jo Center for Underground Physics Institute for Basic Science INPC 2016 - Adelaide Convention Centre, Australia
More informationThe XENON1T experiment
The XENON1T experiment Ranny Budnik Weizmann Institute of Science For the XENON collaboration 1 The XENON1T experiment Direct detection with xenon The XENON project XENON1T/nT 2 Quick introduction and
More informationThe XENON Dark Matter Project: Status of the XENON100 Phase. Elena Aprile Columbia University
The XENON Dark Matter Project: Status of the XENON100 Phase Elena Aprile Columbia University 8th UCLA Symposium Marina del Rey, Feb 22, 2008 The XENON Dark Matter Phased Program Detect WIMPS through their
More informationVincenzo Caracciolo for the ADAMO collaboration National Laboratory of Gran Sasso - INFN.
Vincenzo Caracciolo for the ADAMO collaboration National Laboratory of Gran Sasso - INFN. Signatures for direct detection experiments In direct detection experiments to provide a Dark Matter signal identification
More informationCANDLES Experiment Current Status and Future Plan. X. Li for the CANDLES Collaboration
CANDLES Experiment Current Status and Future Plan X. Li for the CANDLES Collaboration 1 Neutrinoless Double Beta Decay (0νββ) 2νββ decay 0νββ decay (A, Z) => (A, Z+2) + 2e - process beyond Standard Model
More informationarxiv:astro-ph/ v1 15 Feb 2005
The XENON Dark Matter Experiment Elena Aprile (on behalf of the XENON collaboration) Physics Department and Columbia Astrophysics Laboratory, Columbia University, New York, New York 10027 age@astro.columbia.edu
More informationSuperCDMS SNOLAB: A G2 Dark Matter Search. Ben Loer, Fermilab Center for Particle Astrophysics On behalf of the SuperCDMS Collaboration
SuperCDMS SNOLAB: A G2 Dark Matter Search Ben Loer, Fermilab Center for Particle Astrophysics On behalf of the SuperCDMS Collaboration A bit of background Astronomical data at all scales indicates dark
More informationSearch for Dark Matter with Liquid Argon and Pulse Shape Discrimination
Search for Dark Matter with Liquid Argon and Pulse Shape Discrimination Results from DEAP-1 and Status of DEAP-3600 Pierre Gorel for the DEAP collaboration University of Alberta Dark matter Experiment
More informationUCLA Dark Matter 2014 Symposium. Origins and Distributions of the Backgrounds. 15 min
S. Fiorucci Brown University UCLA Dark Matter 2014 Symposium Origins and Distributions of the Backgrounds 15 min What is a signal for LUX? Nuclear recoil Single scatter Signal Low energy, typically < 25
More informationStatus and results of the COSINUS project
Status and results of the COSINUS project Natalia Di Marco for the COSINUS Collaboration LNGS - INFN 1 Dark Matter: direct search χχ Assumption Dark matter particles (WIMPs) scatter off the nucleus and
More informationDARK2002 Conference. DARK2002 Conference 9-2-2
DARK2002 Conference Boulby Dark Matter Searches: The Current Experimental Status N.J.T.Smith Rutherford Appleton Laboratory On behalf of the BDMC BDMC Philosophy Boulby Mine Upgrade BDMC Programme -- NaIAD
More informationOak Ridge National Laboratory, TN. K. Scholberg, Duke University On behalf of the COHERENT collaboration August 2, 2017 DPF 2017, Fermilab
Oak Ridge National Laboratory, TN K. Scholberg, Duke University On behalf of the COHERENT collaboration August 2, 2017 DPF 2017, Fermilab Coherent elastic neutrino-nucleus scattering (CEvNS) n + A n +
More informationRivelazione di neutrini solari - Borexino Lino Miramonti 6 Giugno 2006 Gran Sasso
Rivelazione di neutrini solari - Borexino Lino Miramonti 6 Giugno 2006 Gran Sasso 1 RADIOCHEMICAL Integrated in energy and time CHERENKOV Less than 0.01% of the solar neutrino flux is been measured in
More informationDark Matter Searches. Marijke Haffke University of Zürich
University of Zürich Structure Ι. Introduction - Dark Matter - WIMPs Ι Ι. ΙΙΙ. ΙV. V. Detection - Philosophy & Methods - Direct Detection Detectors - Scintillators - Bolometer - Liquid Noble Gas Detectors
More informationDetectors for the COHERENT neutrino experiment R. Tayloe Indiana U. for the COHERENT collaboration
Detectors for the COHERENT neutrino experiment R. Tayloe Indiana U. for the COHERENT collaboration Outline Physics motivation Experimental overview detectors: CsI NaI LAr Ge LAr CsI Coherent Elastic n-nucleus
More informationThe Neutron/WIMP Acceptance In XENON100
The Neutron/WIMP Acceptance In XENON100 Symmetries and Fundamental Interactions 01 05 September 2014 Chiemsee Fraueninsel Boris Bauermeister on behalf of the XENON collaboration Boris.Bauermeister@uni-mainz.de
More informationSensitivity and Backgrounds of the LUX Dark Matter Search
Sensitivity and Backgrounds of the LUX Dark Matter Search 1 LUX Goal: Direct Detection of Dark Matter WMAP 5-year data (2008) gives matter densities (Ω) based on best fit to Λ-CDM cosmological model: Ω
More informationThe GERmanium Detector Array
The GERmanium Detector Array n n ν=v p e - e - p Outline: Exp. issues of 0νββ-decay of 76 Ge Concept of GERDA Status of the experiment Summary and conclusions Kevin Kröninger (Max-Planck-Institut für Physik,
More informationThe COSINUS project. development of new NaI- based detectors for dark ma6er search. STATUS report Karoline Schäffner
The COSINUS project development of new NaI- based detectors for dark ma6er search STATUS report 2016 Karoline Schäffner SCATTERING SCENARIO Dark matter particles scatter off nuclei elastically coherently:
More informationAMORE neutrino-less double beta decay experiment
AMORE neutrino-less double beta decay experiment AMoRE (Advanced Mo-based Rare process Experiment) HongJoo Kim Kyungpook National University On Behalf of AMoRE collaboration Physics of Fundamental Interactions
More informationCollaborazione DAMA & INR-Kiev. XCVIII Congresso SIF Napoli, 18 Settembre F. Cappella
Collaborazione DAMA & INR-Kiev http://people.roma2.infn.it/dama XCVIII Congresso SIF Napoli, 18 Settembre 2012 F. Cappella Based on the study of the correlation between the Earth motion in the galactic
More informationDarkSide-50: performance and results from the first atmospheric argon run
DarkSide-50: performance and results from the first atmospheric argon run Yann Guardincerri on behalf of the DarkSide Collaboration August 27th, 2014 1 / 21 DarkSide Direct detection search for WIMP dark
More informationUltra-Low Background Measurement Capabilities At SNOLAB
Ultra-Low Background Measurement Capabilities At SNOLAB Ian Lawson SNOLAB Greater Sudbury, Canada Torino, Italy 1 Brief Outline Motivation for low background counters Advantages of being deep Current facilities
More informationDirect WIMP Detection in Double-Phase Xenon TPCs
Outline PMTs in the XENON dark matter experiment XENON100 and the weekly gain calibration XENON1T and candidates for the light sensors Tests of Hamamatsu R11410 2 Direct WIMP Detection in Double-Phase
More informationSelect Assay Capabilities at PNNL
Select Assay Capabilities at PNNL TODD HOSSBACH with contributions from my PNNL colleagues DAMIC-M Collaboration Meeting June 2018 Paris PNNL-SA-135476 June 27, 2018 1 Overview of PNNL Assay Capabilities
More informationBackgrounds and Sensitivity Expectations for XENON100
Backgrounds and Sensitivity Expectations for XENON100 IDM08, Stockholm, August 19, 2008 Laura Baudis University of Zurich For the XENON100 Collaboration LNGS collaboration meeting, Oct. 2007 1 ??? The
More informationBackground simulations and shielding calculations
Background simulations and shielding calculations Vitaly A. Kudryavtsev University of Sheffield Contributions from many others Outline Note 1: results are relevant to many experiments and techniques (mainly
More informationarxiv: v2 [physics.ins-det] 1 Dec 2017
EPJ manuscript No. (will be inserted by the editor) arxiv:17.599v [physics.ins-det] 1 Dec 17 Initial Performance of the COSINE- Experiment G. Adhikari 1, P. Adhikari 1, E. Barbosa de Souza, N. Carlin 3,
More informationDM-Ice. Reina Maruyama University of Wisconsin - Madison. ^ and Dark Matter. Carolina International Symposium on Neutrino Physics May 20-22, 2013
DM-Ice Reina Maruyama University of Wisconsin - Madison Carolina International Symposium on Neutrino Physics May 20-22, 2013 ^ and Dark Matter CUORE Bolometer 5 cm 790g crystals Amplitude (a.u.) Single
More informationDark Matter Search Results from the Silicon Detectors of the Cryogenic Dark Matter Search Experiment
Dark Matter Search Results from the Silicon Detectors of the Cryogenic Dark Matter Search Experiment Kevin A. McCarthy Massachusetts Institute of Technology On behalf of the SuperCDMS and CDMS Collaborations
More informationEffects of Nitrogen and Oxygen contamination in Liquid Argon
Effects of Nitrogen and Oxygen contamination in Liquid Argon Roberto Acciarri Università degli Studi dell Aquila, Italy INFN-Laboratori Nazionali del Gran Sasso, Italy on behalf of WArP Collaboration 11th
More informationPaolo Agnes Laboratoire APC, Université Paris 7 on behalf of the DarkSide Collaboration. Dark Matter 2016 UCLA 17th - 19th February 2016
Paolo Agnes Laboratoire APC, Université Paris 7 on behalf of the DarkSide Collaboration Dark Matter 2016 UCLA 17th - 19th February 2016 The DarkSide program 2 Double Phase Liquid Argon TPC, a staged approach:
More informationCosmogenic and primordial radioisotopes in copper bricks shortly exposed to cosmic rays
Journal of Physics: Conference Series PAPER OPEN ACCESS Cosmogenic and primordial radioisotopes in copper bricks shortly exposed to cosmic rays To cite this article: I Coarasa et al 216 J. Phys.: Conf.
More informationStatus of the EDELWEISS Dark Matter search
Status of the EDELWEISS Dark Matter search KIT Institute Centre for Particle Nuclear and Physics Astroparticle Physics KIT University of the State of Baden-Wuerttemberg and National Research Center of
More informationRecent Results and Status of TEXONON Experiments
PROCEEDINGS Recent Results and Status of TEXONON Experiments and Henry T. Wong (on behalf of the TEXONO Collaboration) Institute of Physics, Academia Sinica, Taipei 11529, Taiwan E-mail:vsingh@phys.sinica.edu.tw,htwong@phys.sinica.edu.tw
More informationBackgrounds in PICO. Eric Vázquez Jáuregui SNOLAB. AARM Meeting Fermilab; Batavia IL, USA; March 19, 2014
Backgrounds in PICO Eric Vázquez Jáuregui SNOLAB AARM Meeting Fermilab; Batavia IL, USA; March 19, 2014 PICO at SNOLAB SNOLAB deepest and cleanest large-space international facility in the world 2 km
More informationStudy well-shaped germanium detectors for lowbackground
Journal of Physics: Conference Series PAPER OPEN ACCESS Study well-shaped germanium detectors for lowbackground counting To cite this article: W-Z Wei et al 2015 J. Phys.: Conf. Ser. 606 012019 View the
More informationRecent results from PandaX- II and status of PandaX-4T
Recent results from PandaX- II and status of PandaX-4T Jingkai Xia (Shanghai Jiao Tong University) On behalf of PandaX Collaboration August 2-5, Mini-Workshop@SJTU 2018/8/4 1 Outline Dark Matter direct
More informationThe COHERENT Experiment: Overview and Update of Results
The COHERENT Experiment: Overview and Update of Results for the COHERENT Collaboration 2016 Fall Meeting of the APS Division of Nuclear Physics, Vancouver, B.C. ORNL is managed by UT-Battelle for the US
More informationDirect Detection of Dark Matter with LUX
Direct Detection of Dark Matter with LUX we are a collaboration of 50+ scientists, please see http://lux.brown.edu for more information Peter Sorensen Lawrence Livermore National Laboratory DNP October
More informationThe XENON Project. M. Selvi The XENON project
The XENON Project M. Selvi Assemblea di Sezione 2011 Dark matter in the Universe Dark matter properties: what we know Direct WIMP search Direct WIMP search Direct WIMP detection Why Xenon? A double-phase
More informationBackground and sensitivity predictions for XENON1T
Background and sensitivity predictions for XENON1T Marco Selvi INFN - Sezione di Bologna (on behalf of the XENON collaboration) Feb 19 th 016, UCLA Dark Matter 016 1 Outline Description of the detector;
More informationDOUBLE BETA DECAY OF 106 Cd - EXPERIMENT TGV (Telescope Germanium Vertical) EXPERIMENT SPT (Silicon Pixel Telescope)
DOUBLE BETA DECAY OF 106 Cd - EXPERIMENT TGV (Telescope Germanium Vertical) EXPERIMENT SPT (Silicon Pixel Telescope) I. Štekl (IEAP CTU in Prague) on behalf of TGV collaboration CSNSM Orsay, France CU
More informationMeasurement of the neutron flux in the CPL underground laboratory and simulation studies of neutron shielding for WIMP searches
Astroparticle Physics 20 (2004) 549 557 www.elsevier.com/locate/astropart Measurement of the neutron flux in the CPL underground laboratory and simulation studies of neutron shielding for WIMP searches
More informationLOW ENERGY SOLAR NEUTRINOS WITH BOREXINO. Lea Di Noto on behalf of the Borexino collaboration
LOW ENERGY SOLAR NEUTRINOS WITH BOREXINO Lea Di Noto on behalf of the Borexino collaboration Vulcano Workshop 20 th -26 th May 2018 [cm -2 s -1 MeV -1 ] SOLAR NEUTRINOS Electrons neutrinos are produced
More informationLow Background Counting At SNOLAB
Low Background Counting At SNOLAB Ian Lawson Collaboration Meeting Minneapolis, Minnesota, June 22-23, 212 1 Outline SNOLAB and description of the SNOLAB Low Background Gamma Counting System Other material
More informationThe XMASS Experiment. Jing LIU Kavli IPMU, Univ. of Tokyo PPC2013, Jul Deadwood, SD, USA
The XMASS Experiment Jing LIU Kavli IPMU, Univ. of Tokyo PPC2013, Jul. 8-13 Deadwood, SD, USA XMASS collaboration: Kamioka Observatory, ICRR, Univ. of Tokyo: K. Abe, K. Hieda, K. Hiraide, Y. Kishimoto,
More informationThe EDELWEISS DM search Phase II to Phase III
The EDELWEISS DM search Phase II to Phase III Adam Cox Karlsruhe Institute for Technology (KIT) on behalf of the EDELWEISS Collaboration CEA, Saclay (IRFU and IRAMIS) IPNL (CNRS/IN2P3 and Université de
More informationarxiv: v1 [physics.ins-det] 23 Oct 2007
1 arxiv:0710.4279v1 [physics.ins-det] 23 Oct 2007 The SuperNEMO double beta decay experiment I. Nasteva on behalf of the SuperNEMO Collaboration School of Physics and Astronomy, University of Manchester,
More informationA Liquid Argon Scintillation Veto for the GERDA Experiment
A Liquid Argon Scintillation Veto for the GERDA Experiment for the GERDA Collaboration 2nd European Nuclear Physics Conference Bucharest, 18/09/2012 Institut für Kern- und Teilchenphysik GERDA - GERmanium
More informationUltra-Low Background Counting and Assay Studies At SNOLAB
Ultra-Low Background Counting and Assay Studies At SNOLAB Ian Lawson SNOLAB 2015 CAP Congress University of Alberta 1 Outline Motivation for Low Background Counters Advantages of being deep Current Facilities
More informationPoS(EPS-HEP2017)074. Darkside Status and Prospects. Charles Jeff Martoff Temple University
Temple University E-mail: cmartoff@gmail.com The DarkSide Dark Matter Search Program is a direct-detection search for dark matter using a Liquid Argon Time Projection Chamber. The detector is designed
More informationPANDA-X A New Detector for Dark Matter Search. Karl Giboni Shanghai Jiao Tong University
PANDA-X A New Detector for Dark Matter Search Karl Giboni Shanghai Jiao Tong University Seminar at KEK, Tsukuba Japan 3 February, 2011 Jin Ping Laboratory Newly constructed deep underground lab In the
More informationTHE CRYOGENIC UNDERGROUND OBSERVATORY FOR RARE EVENTS: STATUS AND PROSPECTS
THE CRYOGENIC UNDERGROUND OBSERVATORY FOR RARE EVENTS: STATUS AND PROSPECTS Eric B. Norman Dept. of Nuclear Engineering Univ. of California, Berkeley, CA U. S. A. Recent results in n physics Neutrinos
More informationLUX: A Large Underground Xenon detector. WIMP Search. Mani Tripathi, INPAC Meeting. Berkeley, May 5, 2007
LUX: A Large Underground Xenon detector WIMP Search Mani Tripathi INPAC Meeting Berkeley, New Collaboration Groups formerly in XENON10: Case Western, Brown, Livermore Natl. Lab (major fraction of the US
More informationRecent Progress from the DEAP-3600 Dark Matter Direct Detection Experiment
Recent Progress from the DEAP-3600 Dark Matter Direct Detection Experiment Jocelyn Monroe, Royal Holloway University of London IPA2014 August 22, 2014 Outline 1. DEAP-3600 Detector 2. Experimental Technique
More informationScintillating bolometers for the LUCIFER project. Luca Pattavina INFN-Laboratori Nazionali del Gran Sasso
Scintillating bolometers for the LUCIFER project Luca Pattavina INFN-Laboratori Nazionali del Gran Sasso luca.pattavina@lngs.infn.it 1 Outline - Scintillating bolometers - basics - potential - The LUCIFER
More information