LUX-ZEPLIN

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Chromatographic separation of radioactive noble gases from xenon

(2016)

Authors:

LUX Collaboration, DS Akerib, HM Araújo, X Bai, AJ Bailey, J Balajthy, P Beltrame, EP Bernard, A Bernstein, TP Biesiadzinski, EM Boulton, R Bramante, SB Cahn, MC Carmona-Benitez, C Chan, AA Chiller, C Chiller, T Coffey, A Currie, JE Cutter, TJR Davison, A Dobi, JEY Dobson, E Druszkiewicz, BN Edwards, CH Faham, S Fiorucci, RJ Gaitskell, VM Gehman, C Ghag, KR Gibson, MGD Gilchriese, CR Hall, M Hanhardt, SJ Haselschwardt, SA Hertel, DP Hogan, M Horn, DQ Huang, CM Ignarra, M Ihm, RG Jacobsen, W Ji, K Kamdin, K Kazkaz, D Khaitan, R Knoche, NA Larsen, C Lee, BG Lenardo, KT Lesko, A Lindote, MI Lopes, A Manalaysay, RL Mannino, MF Marzioni, DN McKinsey, D-M Mei, J Mock, M Moongweluwan, JA Morad, A St J Murphy, C Nehrkorn, HN Nelson, F Neves, K O'Sullivan, KC Oliver-Mallory, KJ Palladino, EK Pease, K Pech, P Phelps, L Reichhart, C Rhyne, S Shaw, TA Shutt, C Silva, VN Solovov, P Sorensen, S Stephenson, TJ Sumner, M Szydagis, DJ Taylor, W Taylor, BP Tennyson, PA Terman, DR Tiedt, WH To, M Tripathi, L Tvrznikova, S Uvarov, JR Verbus, RC Webb, JT White, TJ Whitis, MS Witherell, FLH Wolfs, K Yazdani, SK Young, C Zhang
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Constraints on low-mass WIMPs from the EDELWEISS-III dark matter search

Journal of Cosmology and Astroparticle Physics Insitute of Physics 2016:05 (2016) 019

Authors:

Eric Armengaud, Junsong Lin, Michelle Mancuso, Stefanos Marnieros, Alexander Menshikov, Xavier-Francois Navick, Claudia Nones, Emiliano Olivieri, Patrick Pari, Bernard Paul, Marie-Cécile Piro, Denys V Poda, Emeline Queguiner, Matthew Robinson, Henri Rodenas, Sergey Rozov, Véronique Sanglard, Benjamin Schmidt, Silvia Scorza, Bernhard Siebenborn, Denis Tcherniakhovski, Lionel Vagneron, Marc Weber, Evgeny Yakushev, Xiohe Zhang

Abstract:

We present the results of a search for elastic scattering from galactic dark matter in the form of Weakly Interacting Massive Particles (WIMPs) in the 4-30 GeV/c2 mass range. We make use of a 582 kg-day fiducial exposure from an array of 800 g Germanium bolometers equipped with a set of interleaved electrodes with full surface coverage. We searched specifically for ∼ 2.5-20 keV nuclear recoils inside the detector fiducial volume. As an illustration the number of observed events in the search for 5 (resp. 20) GeV/c2 WIMPs are 9 (resp. 4), compared to an expected background of 6.1 (resp. 1.4). A 90% CL limit of 4.3 × 10-40 cm2 (resp. 9.4 × 10-44 cm2) is set on the spin-independent WIMP-nucleon scattering cross-section for 5 (resp. 20) GeV/c2 WIMPs. This result represents a 41-fold improvement with respect to the previous EDELWEISS-II low-mass WIMP search for 7 GeV/c2 WIMPs. The derived constraint is in tension with hints of WIMP signals from some recent experiments, thus confirming results obtained with different detection techniques.
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FPGA-based trigger system for the LUX dark matter experiment

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment Elsevier 818 (2016) 57-67

Authors:

DS Akerib, HM Araújo, X Bai, AJ Bailey, J Balajthy, P Beltrame, EP Bernard, A Bernstein, TP Biesiadzinski, EM Boulton, A Bradley, R Bramante, SB Cahn, MC Carmona-Benitez, C Chan, JJ Chapman, AA Chiller, C Chiller, A Currie, JE Cutter, TJR Davison, L de Viveiros, A Dobi, JEY Dobson, E Druszkiewicz, BN Edwards, CH Faham, S Fiorucci, RJ Gaitskell, VM Gehman, C Ghag, KR Gibson, MGD Gilchriese, CR Hall, M Hanhardt, SJ Haselschwardt, SA Hertel, DP Hogan, M Horn, DQ Huang, CM Ignarra, M Ihm, RG Jacobsen, W Ji, K Kazkaz, D Khaitan, R Knoche, NA Larsen, C Lee, BG Lenardo, KT Lesko, A Lindote, MI Lopes, DC Malling, AG Manalaysay, RL Mannino, MF Marzioni, DN McKinsey, D-M Mei, J Mock, M Moongweluwan, JA Morad, Murphy, C Nehrkorn, HN Nelson, F Neves, K O׳Sullivan, KC Oliver-Mallory, RA Ott, KJ Palladino, M Pangilinan, EK Pease, P Phelps, L Reichhart, C Rhyne, S Shaw, TA Shutt, C Silva, W Skulski, VN Solovov, P Sorensen, S Stephenson, TJ Sumner, M Szydagis, DJ Taylor, W Taylor, BP Tennyson, PA Terman, DR Tiedt, WH To, M Tripathi, L Tvrznikova, S Uvarov, JR Verbus, RC Webb, JT White, TJ Whitis, MS Witherell, FLH Wolfs, J Yin, SK Young, C Zhang
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New Limits on Double Electron Capture of $^{40}$Ca and $^{180}$W

(2016)

Authors:

G Angloher, M Bauer, P Bauer, I Bavykina, A Bento, C Bucci, L Canonica, C Ciemniak, X Defay, G Deuter, A Erb, FV Feilitzsch, N Ferreiro Iachellini, P Gorla, A Gütlein, D Hauff, P Huff, C Isaila, J Jochum, M Kiefer, M Kimmerle, H Kluck, H Kraus, J-C Lanfranchi, J Loebell, A Münster, C Pagliarone, F Petricca, S Pfister, W Potzel, F Pröbst, F Reindl, S Roth, K Rottler, C Sailer, K Schäffner, J Schieck, J Schmaler, S Scholl, S Schönert, W Seidel, MV Sivers, L Stodolsky, C Strandhagen, R Strauss, A Tanzke, V Tretyak, HH Trinh Thi, C Türkoğlu, M Uffinger, A Ulrich, I Usherov, S Wawoczny, M Willers, M Wüstrich, A Zöller
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Tritium calibration of the LUX dark matter experiment

Physical Review D American Physical Society (APS) 93:7 (2016) 072009

Authors:

DS Akerib, HM Araújo, X Bai, AJ Bailey, J Balajthy, P Beltrame, EP Bernard, A Bernstein, TP Biesiadzinski, EM Boulton, A Bradley, R Bramante, SB Cahn, MC Carmona-Benitez, C Chan, JJ Chapman, AA Chiller, C Chiller, A Currie, JE Cutter, TJR Davison, L de Viveiros, A Dobi, JEY Dobson, E Druszkiewicz, BN Edwards, CH Faham, S Fiorucci, RJ Gaitskell, VM Gehman, C Ghag, KR Gibson, MGD Gilchriese, CR Hall, M Hanhardt, SJ Haselschwardt, SA Hertel, DP Hogan, M Horn, DQ Huang, CM Ignarra, M Ihm, RG Jacobsen, W Ji, K Kazkaz, D Khaitan, R Knoche, NA Larsen, C Lee, BG Lenardo, KT Lesko, A Lindote, MI Lopes, DC Malling, AG Manalaysay, RL Mannino, MF Marzioni, DN McKinsey, D-M Mei, J Mock, M Moongweluwan, JA Morad, A St. J. Murphy, C Nehrkorn, HN Nelson, F Neves, K O’Sullivan, KC Oliver-Mallory, RA Ott, KJ Palladino, M Pangilinan, EK Pease, P Phelps, L Reichhart, C Rhyne, S Shaw, TA Shutt, C Silva, VN Solovov, P Sorensen, S Stephenson, TJ Sumner, M Szydagis, DJ Taylor, W Taylor, BP Tennyson, PA Terman, DR Tiedt, WH To, M Tripathi, L Tvrznikova, S Uvarov, JR Verbus, RC Webb, JT White, TJ Whitis, MS Witherell, FLH Wolfs, SK Young, C Zhang
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