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31 results on '"Tiedt, DR"'

1. Improved Dark Matter Search Sensitivity Resulting from LUX Low-Energy Nuclear Recoil Calibration

Author

Collaboration, LUX, Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Bang, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, Viveiros, L de, Druszkiewicz, E, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, McKinsey, DN, Mei, D-M, Morad, JA, Murphy, A St J, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Rhyne, C, Riffard, Q, Rischbieter, GRC, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Swanson, N, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tvrznikova, L, Utku, U, Vacheret, A, Vaitkus, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xiang, X, Xu, J, and Zhang, C

Subjects
physics.ins-det, astro-ph.CO, hep-ex
Abstract

Dual-phase xenon time projection chamber (TPC) detectors have demonstratedsuperior search sensitivities to dark matter over a wide range of particlemasses. To extend their sensitivity to include low-mass dark matterinteractions, it is critical to characterize both the light and chargeresponses of liquid xenon to sub-keV nuclear recoils. In this work, we report anew nuclear recoil calibration in the LUX detector $\textit{in situ}$ usingneutron events from a pulsed Adelphi Deuterium-Deuterium neutron generator. Wedemonstrate direct measurements of light and charge yields down to 0.45 keV(1.4 scintillation photons) and 0.27 keV (1.3 ionization electrons),respectively, approaching the physical limit of liquid xenon detectors. Wediscuss the implication of these new measurements on the physics reach ofdual-phase xenon TPCs for nuclear-recoil-based low-mass dark matter detection.

Published
2022

2. Fast and Flexible Analysis of Direct Dark Matter Search Data with Machine Learning

Author

Collaboration, LUX, Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Bang, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carrara, N, Carmona-Benitez, MC, Chan, C, Cutter, JE, Viveiros, L de, Druszkiewicz, E, Ernst, J, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, McKinsey, DN, Mei, D-M, Morad, JA, Murphy, A St J, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Rhyne, C, Riffard, Q, Rischbieter, GRC, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Swanson, N, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tvrznikova, L, Utku, U, Vacheret, A, Vaitkus, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xian, X, Xu, J, and Zhang, C

Subjects
astro-ph.CO, astro-ph.IM, hep-ex, physics.ins-det
Abstract

We present the results from combining machine learning with the profilelikelihood fit procedure, using data from the Large Underground Xenon (LUX)dark matter experiment. This approach demonstrates reduction in computationtime by a factor of 30 when compared with the previous approach, without lossof performance on real data. We establish its flexibility to capture non-linearcorrelations between variables (such as smearing in light and charge signalsdue to position variation) by achieving equal performance using pulse areaswith and without position-corrections applied. Its efficiency and scalabilityfurthermore enables searching for dark matter using additional variableswithout significant computational burden. We demonstrate this by including alight signal pulse shape variable alongside more traditional inputs such aslight and charge signal strengths. This technique can be exploited by futuredark matter experiments to make use of additional information, reducecomputational resources needed for signal searches and simulations, and makeinclusion of physical nuisance parameters in fits tractable.

Published
2022

3. Discrimination of electronic recoils from nuclear recoils in two-phase xenon time projection chambers

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, De Viveiros, L, Druszkiewicz, E, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, McKinsey, DN, Mei, DM, Moongweluwan, M, Morad, JA, Murphy, ASJ, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tvrznikova, L, Utku, U, Uvarov, S, Vacheret, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xu, J, and Zhang, C

Subjects
physics.ins-det, hep-ex, nucl-ex
Abstract

We present a comprehensive analysis of electronic recoil vs nuclear recoil discrimination in liquid/gas xenon time projection chambers, using calibration data from the 2013 and 2014-2016 runs of the Large Underground Xenon experiment. We observe strong charge-to-light discrimination enhancement with increased event energy. For events with S1=120 detected photons, i.e., equivalent to a nuclear recoil energy of ∼100 keV, we observe an electronic recoil background acceptance of

Published
2020

4. Improving sensitivity to low-mass dark matter in LUX using a novel electrode background mitigation technique

Author

Collaboration, LUX, Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Bang, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, Viveiros, L de, Druszkiewicz, E, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, McKinsey, DN, Mei, D-M, Morad, JA, Murphy, A St J, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Rhyne, C, Riffard, Q, Rischbieter, GRC, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Swanson, N, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tvrznikova, L, Utku, U, Vacheret, A, Vaitkus, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xiang, X, Xu, J, and Zhang, C

Subjects
hep-ex, astro-ph.CO, astro-ph.IM, physics.ins-det
Abstract

This paper presents a novel technique for mitigating electrode backgroundsthat limit the sensitivity of searches for low-mass dark matter (DM) usingxenon time projection chambers. In the LUX detector, signatures of low-mass DMinteractions would be very low energy ($\sim$keV) scatters in the active targetthat ionize only a few xenon atoms and seldom produce detectable scintillationsignals. In this regime, extra precaution is required to reject a complex setof low-energy electron backgrounds that have long been observed in this classof detector. Noticing backgrounds from the wire grid electrodes near the topand bottom of the active target are particularly pernicious, we develop amachine learning technique based on ionization pulse shape to identify andreject these events. We demonstrate the technique can improve Poisson limits onlow-mass DM interactions by a factor of $2$-$7$ with improvement dependingheavily on the size of ionization signals. We use the technique on events in aneffective $5$ tonne$\cdot$day exposure from LUX's 2013 science operation toplace strong limits on low-mass DM particles with masses in the range$m_{\chi}\in0.15$-$10$ GeV. This machine learning technique is expected to beuseful for near-future experiments, such as LZ and XENONnT, which hope toperform low-mass DM searches with the stringent background control necessary tomake a discovery.

Published
2020

5. Extending light WIMP searches to single scintillation photons in LUX

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Baxter, A, Beltrame, P, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, de Viveiros, L, Druszkiewicz, E, Fallon, SR, Fan, A, Fiorucci, S, Gaitskell, RJ, Genovesi, J, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Paredes, B López, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, DM, Moongweluwan, M, Morad, JA, St. J. Murphy, A, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Vacheret, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, and Woodward, D

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, astro-ph.CO, astro-ph.IM, hep-ex, physics.ins-det
Abstract

We present a novel analysis technique for liquid xenon time projection chambers that allows for a lower threshold by relying on events with a prompt scintillation signal consisting of single detected photons. The energy threshold of the LUX dark matter experiment is primarily determined by the smallest scintillation response detectable, which previously required a twofold coincidence signal in its photomultiplier arrays, enforced in data analysis. The technique presented here exploits the double photoelectron emission effect observed in some photomultiplier models at vacuum ultraviolet wavelengths. We demonstrate this analysis using an electron recoil calibration dataset and place new constraints on the spin-independent scattering cross section of weakly interacting massive particles (WIMPs) down to 2.5 GeV/c2 WIMP mass using the 2013 LUX dataset. This new technique is promising to enhance light WIMP and astrophysical neutrino searches in next-generation liquid xenon experiments.

Published
2020

6. Improved modeling of β electronic recoils in liquid xenon using LUX calibration data

Author

Deviveiros, L, Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, Druszkiewicz, E, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, DM, Moongweluwan, M, Morad, JA, Murphy, ASJ, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Vacheret, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xu, J, and Zhang, C

Subjects
Dark Matter detectors, Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons, with matter, etc), Noble liquid detectors, Time projection Chambers, physics.ins-det, hep-ex, Nuclear & Particles Physics, Physical Sciences, Engineering
Abstract

We report here methods and techniques for creating an improved model that reproduces the scintillation and ionization response of a dual-phase liquid and gaseous xenon time projection chamber. Starting with the recent release of the Noble Element Simulation Technique (NEST v2.0), electronic recoil data from the β decays of 3H and 14C in the Large Underground Xenon (LUX) detector were used to tune the model, in addition to external data sets that allow for extrapolation beyond the LUX data-taking conditions. This paper also presents techniques used for modeling complicated temporal and spatial detector pathologies that can adversely affect data using a simplified model framework. The methods outlined in this report show an example of the robust applications possible with NEST v2.0 framework and how it can be modified to produce a final, detector-specific, electronic recoil model. This example provides the final model for LUX and detector parameters that will used in the new analysis package, the LUX Legacy Analysis Monte Carlo Application (LLAMA), for accurate reproduction of the LUX data. As accurate background reproduction is crucial for the success of rare-event searches, such as dark matter direct detection experiments, the techniques outlined here can be used in other single-phase and dual-phase xenon detectors to assist with accurate ER background reproduction.

Published
2020

7. Improved modeling of β electronic recoils in liquid xenon using LUX calibration data

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, de\Viveiros, L, Druszkiewicz, E, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, D-M, Moongweluwan, M, Morad, JA, Murphy, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Vacheret, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xu, J, and Zhang, C

Subjects
Nuclear and Plasma Physics, Physical Sciences, Dark Matter detectors, Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons, with matter, etc), Noble liquid detectors, Time projection Chambers, physics.ins-det, hep-ex, Engineering, Nuclear & Particles Physics, Physical sciences
Abstract

We report here methods and techniques for creating an improved model that reproduces the scintillation and ionization response of a dual-phase liquid and gaseous xenon time projection chamber. Starting with the recent release of the Noble Element Simulation Technique (NEST v2.0), electronic recoil data from the β decays of 3H and 14C in the Large Underground Xenon (LUX) detector were used to tune the model, in addition to external data sets that allow for extrapolation beyond the LUX data-taking conditions. This paper also presents techniques used for modeling complicated temporal and spatial detector pathologies that can adversely affect data using a simplified model framework. The methods outlined in this report show an example of the robust applications possible with NEST v2.0 framework and how it can be modified to produce a final, detector-specific, electronic recoil model. This example provides the final model for LUX and detector parameters that will used in the new analysis package, the LUX Legacy Analysis Monte Carlo Application (LLAMA), for accurate reproduction of the LUX data. As accurate background reproduction is crucial for the success of rare-event searches, such as dark matter direct detection experiments, the techniques outlined here can be used in other single-phase and dual-phase xenon detectors to assist with accurate ER background reproduction.

Published
2020

8. First direct detection constraint on mirror dark matter kinetic mixing using LUX 2013 data

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, De Viveiros, L, Druszkiewicz, E, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, DM, Moongweluwan, M, Morad, JA, Murphy, ASJ, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Vacheret, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xu, J, and Zhang, C

Subjects
hep-ex, hep-ph
Abstract

We present the results of a direct detection search for mirror dark matter interactions, using data collected from the Large Underground Xenon experiment during 2013, with an exposure of 95 live-days×118 kg. Here, the calculations of the mirror electron scattering rate in liquid xenon take into account the shielding effects from mirror dark matter captured within the Earth. Annual and diurnal modulation of the dark matter flux and atomic shell effects in xenon are also accounted for. Having found no evidence for an electron recoil signal induced by mirror dark matter interactions we place an upper limit on the kinetic mixing parameter over a range of local mirror electron temperatures between 0.1 and 0.9 keV. This limit shows significant improvement over the previous experimental constraint from orthopositronium decays and significantly reduces the allowed parameter space for the model. We exclude mirror electron temperatures above 0.3 keV at a 90% confidence level, for this model, and constrain the kinetic mixing below this temperature.

Published
2020

9. Improved measurements of the β-decay response of liquid xenon with the LUX detector

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Baxter, A, Beltrame, P, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, de Viveiros, L, Druszkiewicz, E, Fallon, SR, Fan, A, Fiorucci, S, Gaitskell, RJ, Genovesi, J, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, D-M, Moongweluwan, M, Morad, JA, St. J. Murphy, A, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Vacheret, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, and Xu, J

Subjects
Nuclear and Plasma Physics, Synchrotrons and Accelerators, Physical Sciences, physics.ins-det, astro-ph.IM, hep-ex
Abstract

We report results from an extensive set of measurements of the \b{eta}-decayresponse in liquid xenon.These measurements are derived from high-statisticscalibration data from injected sources of both $^{3}$H and $^{14}$C in the LUXdetector. The mean light-to-charge ratio is reported for 13 electric fieldvalues ranging from 43 to 491 V/cm, and for energies ranging from 1.5 to 145keV.

Published
2019

10. Improved measurements of the beta-decay response of liquid xenon with the LUX detector

Author

Akerib, DS, Alsum, S, Araujo, HM, Bai, X, Balajthy, J, Baxter, A, Beltrame, P, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Bras, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, de Viveiros, L, Druszkiewicz, E, Fallon, SR, Fan, A, Fiorucci, S, Gaitskell, RJ, Genovesi, J, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, D-M, Moongweluwan, M, Morad, JA, Murphy, A St J, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Vacheret, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, and Xu, J

Subjects
physics.ins-det, astro-ph.IM, hep-ex, Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract

We report results from an extensive set of measurements of the \b{eta}-decayresponse in liquid xenon.These measurements are derived from high-statisticscalibration data from injected sources of both $^{3}$H and $^{14}$C in the LUXdetector. The mean light-to-charge ratio is reported for 13 electric fieldvalues ranging from 43 to 491 V/cm, and for energies ranging from 1.5 to 145keV.

Published
2019

11. Results of a Search for Sub-GeV Dark Matter Using 2013 LUX Data

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Beltrame, P, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, Davison, TJR, Druszkiewicz, E, Fallon, SR, Fan, A, Fiorucci, S, Gaitskell, RJ, Genovesi, J, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Knoche, R, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, D-M, Moongweluwan, M, Morad, JA, Murphy, A St J, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xu, J, Yazdani, K, and Zhang, C

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, LUX Collaboration, astro-ph.CO, astro-ph.IM, hep-ex, physics.ins-det, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

The scattering of dark matter (DM) particles with sub-GeV masses off nuclei is difficult to detect using liquid xenon-based DM search instruments because the energy transfer during nuclear recoils is smaller than the typical detector threshold. However, the tree-level DM-nucleus scattering diagram can be accompanied by simultaneous emission of a bremsstrahlung photon or a so-called "Migdal" electron. These provide an electron recoil component to the experimental signature at higher energies than the corresponding nuclear recoil. The presence of this signature allows liquid xenon detectors to use both the scintillation and the ionization signals in the analysis where the nuclear recoil signal would not be otherwise visible. We report constraints on spin-independent DM-nucleon scattering for DM particles with masses of 0.4-5  GeV/c^{2} using 1.4×10^{4}  kg day of search exposure from the 2013 data from the Large Underground Xenon (LUX) experiment for four different classes of mediators. This analysis extends the reach of liquid xenon-based DM search instruments to lower DM masses than has been achieved previously.

Published
2019

12. Search for annual and diurnal rate modulations in the LUX experiment

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Beltrame, P, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, Davison, TJR, Druszkiewicz, E, Fallon, SR, Fan, A, Fiorucci, S, Gaitskell, RJ, Genovesi, J, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Knoche, R, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, DM, Moongweluwan, M, Morad, JA, Murphy, ASJ, Nehrkorn, C, Nelson, HN, Neves, F, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Velan, V, Verbus, JR, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xu, J, Yazdani, K, and Zhang, C

Subjects
astro-ph.CO, astro-ph.IM, hep-ex, physics.ins-det
Abstract

Various dark matter models predict annual and diurnal modulations of dark matter interaction rates in Earth-based experiments as a result of the Earth's motion in the halo. Observation of such features can provide generic evidence for detection of dark matter interactions. This paper reports a search for both annual and diurnal rate modulations in the LUX dark matter experiment using over 20 calendar months of data acquired between 2013 and 2016. This search focuses on electron recoil events at low energies, where leptophilic dark matter interactions are expected to occur and where the DAMA experiment has observed a strong rate modulation for over two decades. By using the innermost volume of the LUX detector and developing robust cuts and corrections, we obtained a stable event rate of 2.3±0.2 cpd/keVee/tonne, which is among the lowest in all dark matter experiments. No statistically significant annual modulation was observed in energy windows up to 26 keVee. Between 2 and 6 keVee, this analysis demonstrates the most sensitive annual modulation search up to date, with 9.2σ tension with the DAMA/LIBRA result. We also report no observation of diurnal modulations above 0.2 cpd/keVee/tonne amplitude between 2 and 6 keVee.

Published
2018

13. Position reconstruction in LUX

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Bailey, AJ, Balajthy, J, Beltrame, P, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Brás, P, Byram, D, Cahn, SB, Carmona-Benitez, MC, Chan, C, Currie, A, Cutter, JE, Davison, TJR, Dobi, A, Druszkiewicz, E, Edwards, BN, Fallon, SR, Fan, A, Fiorucci, S, Gaitskell, RJ, Genovesi, J, Ghag, C, Gilchriese, MGD, Hall, CR, Hanhardt, M, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Knoche, R, Larsen, NA, Lenardo, BG, Lesko, KT, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marzioni, MF, McKinsey, DN, Mei, D-M, Mock, J, Moongweluwan, M, Morad, JA, Murphy, Nehrkorn, C, Nelson, HN, Neves, F, O'Sullivan, K, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Rhyne, C, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Uvarov, S, Velan, V, Verbus, JR, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Xu, J, Yazdani, K, Young, SK, and Zhang, C

Subjects
Nuclear and Plasma Physics, Synchrotrons and Accelerators, Physical Sciences, Dark Matter detectors, Liquid detectors, Charge transport, multiplication and electroluminescence in rare gases and liquids, Detector modelling and simulations I, physics.ins-det, hep-ex, physics.comp-ph, Engineering, Nuclear & Particles Physics, Physical sciences
Abstract

The (x, y) position reconstruction method used in the analysis of the complete exposure of the Large Underground Xenon (LUX) experiment is presented. The algorithm is based on a statistical test that makes use of an iterative method to recover the photomultiplier tube (PMT) light response directly from the calibration data. The light response functions make use of a two dimensional functional form to account for the photons reflected on the inner walls of the detector. To increase the resolution for small pulses, a photon counting technique was employed to describe the response of the PMTs. The reconstruction was assessed with calibration data including 83mKr (releasing a total energy of 41.5 keV) and 3H (andbeta;- with Q = 18.6 keV) decays, and a deuterium-deuterium (D-D) neutron beam (2.45 MeV) . Within the detector's fiducial volume, the reconstruction has achieved an (x, y) position uncertainty of andsigma; = 0.82 cm and andsigma; = 0.17 cm for events of only 200 and 4,000 detected electroluminescence photons respectively. Such signals are associated with electron recoils of energies andsim;0.25 keV and andsim;10 keV, respectively. The reconstructed position of the smallest events with a single electron emitted from the liquid surface (22 detected photons) has a horizontal (x, y) uncertainty of 2.13 cm.

Published
2018

14. Ultralow energy calibration of LUX detector using Xe 127 electron capture

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Bailey, AJ, Balajthy, J, Beltrame, P, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Brás, P, Byram, D, Cahn, SB, Carmona-Benitez, MC, Chan, C, Currie, A, Cutter, JE, Davison, TJR, Dobi, A, Druszkiewicz, E, Edwards, BN, Fallon, SR, Fan, A, Fiorucci, S, Gaitskell, RJ, Genovesi, J, Ghag, C, Gilchriese, MGD, Hall, CR, Hanhardt, M, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Knoche, R, Larsen, NA, Lenardo, BG, Lesko, KT, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marzioni, MF, McKinsey, DN, Mei, DM, Mock, J, Moongweluwan, M, Morad, JA, Murphy, ASJ, Nehrkorn, C, Nelson, HN, Neves, F, O'Sullivan, K, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Rhyne, C, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Uvarov, S, Velan, V, Verbus, JR, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Xu, J, Yazdani, K, Young, SK, and Zhang, C

Subjects
physics.ins-det, astro-ph.IM, hep-ex
Abstract

We report an absolute calibration of the ionization yields (Qy) and fluctuations for electronic recoil events in liquid xenon at discrete energies between 186 eV and 33.2 keV. The average electric field applied across the liquid xenon target is 180 V/cm. The data are obtained using low energy Xe127 electron capture decay events from the 95.0-day first run from LUX (WS2013) in search of weakly interacting massive particles. The sequence of gamma-ray and x-ray cascades associated with I127 deexcitations produces clearly identified two-vertex events in the LUX detector. We observe the K-(binding energy, 33.2 keV), L-(5.2 keV), M-(1.1 keV), and N-(186 eV) shell cascade events and verify that the relative ratio of observed events for each shell agrees with calculations. The N-shell cascade analysis includes single extracted electron (SE) events and represents the lowest-energy electronic recoil in situ measurements that have been explored in liquid xenon.

Published
2017

15. Ultralow energy calibration of LUX detector using Xe127 electron capture

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Bailey, AJ, Balajthy, J, Beltrame, P, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Brás, P, Byram, D, Cahn, SB, Carmona-Benitez, MC, Chan, C, Currie, A, Cutter, JE, Davison, TJR, Dobi, A, Druszkiewicz, E, Edwards, BN, Fallon, SR, Fan, A, Fiorucci, S, Gaitskell, RJ, Genovesi, J, Ghag, C, Gilchriese, MGD, Hall, CR, Hanhardt, M, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Knoche, R, Larsen, NA, Lenardo, BG, Lesko, KT, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marzioni, MF, McKinsey, DN, Mei, D-M, Mock, J, Moongweluwan, M, Morad, JA, St. J. Murphy, A, Nehrkorn, C, Nelson, HN, Neves, F, O’Sullivan, K, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Rhyne, C, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Uvarov, S, Velan, V, Verbus, JR, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Xu, J, Yazdani, K, Young, SK, and Zhang, C

Subjects
Nuclear and Plasma Physics, Synchrotrons and Accelerators, Physical Sciences, Affordable and Clean Energy, physics.ins-det, astro-ph.IM, hep-ex
Abstract

We report an absolute calibration of the ionization yields (Qy) and fluctuations for electronic recoil events in liquid xenon at discrete energies between 186 eV and 33.2 keV. The average electric field applied across the liquid xenon target is 180 V/cm. The data are obtained using low energy Xe127 electron capture decay events from the 95.0-day first run from LUX (WS2013) in search of weakly interacting massive particles. The sequence of gamma-ray and x-ray cascades associated with I127 deexcitations produces clearly identified two-vertex events in the LUX detector. We observe the K-(binding energy, 33.2 keV), L-(5.2 keV), M-(1.1 keV), and N-(186 eV) shell cascade events and verify that the relative ratio of observed events for each shell agrees with calculations. The N-shell cascade analysis includes single extracted electron (SE) events and represents the lowest-energy electronic recoil in situ measurements that have been explored in liquid xenon.

Published
2017

16. 3D modeling of electric fields in the LUX detector

Author

Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Bailey, AJ, Balajthy, J, Beltrame, P, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Brás, P, Byram, D, Cahn, SB, Carmona-Benitez, MC, Chan, C, Currie, A, Cutter, JE, Davison, TJR, Dobi, A, Druszkiewicz, E, Edwards, BN, Fallon, SR, Fan, A, Fiorucci, S, Gaitskell, RJ, Genovesi, J, Ghag, C, Gilchriese, MGD, Hall, CR, Hanhardt, M, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Knoche, R, Larsen, NA, Lenardo, BG, Lesko, KT, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marzioni, MF, McKinsey, DN, Mei, DM, Mock, J, Moongweluwan, M, Morad, JA, Murphy, ASJ, Nehrkorn, C, Nelson, HN, Neves, F, O'Sullivan, K, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Rhyne, C, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Uvarov, S, Velan, V, Verbus, JR, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Xu, J, Yazdani, K, Young, SK, and Zhang, C

Subjects
Analysis and statistical methods, Detector modelling and simulations II, Noble liquid detectors, Dark Matter detectors, physics.ins-det, hep-ex, physics.comp-ph, Nuclear & Particles Physics, Physical Sciences, Engineering
Abstract

This work details the development of a three-dimensional (3D) electric field model for the LUX detector. The detector took data to search for weakly interacting massive particles (WIMPs) during two periods. After the first period completed, a time-varying non-uniform negative charge developed in the polytetrafluoroethylene (PTFE) panels that define the radial boundary of the detector's active volume. This caused electric field variations in the detector in time, depth and azimuth, generating an electrostatic radially-inward force on electrons on their way upward to the liquid surface. To map this behavior, 3D electric field maps of the detector's active volume were generated on a monthly basis. This was done by fitting a model built in COMSOL Multiphysics to the uniformly distributed calibration data that were collected on a regular basis. The modeled average PTFE charge density increased over the course of the exposure from -3.6 to -5.5 μC/m2. From our studies, we deduce that the electric field magnitude varied locally while the mean value of the field of ∼200 V/cm remained constant throughout the exposure. As a result of this work the varying electric fields and their impact on event reconstruction and discrimination were successfully modeled.

Published
2017

17. Signal yields, energy resolution, and recombination fluctuations in liquid xenon

Author

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

Subjects
physics.ins-det, hep-ex
Abstract

This work presents an analysis of monoenergetic electronic recoil peaks in the dark-matter-search and calibration data from the first underground science run of the Large Underground Xenon (LUX) detector. Liquid xenon charge and light yields for electronic recoil energies between 5.2 and 661.7 keV are measured, as well as the energy resolution for the LUX detector at those same energies. Additionally, there is an interpretation of existing measurements and descriptions of electron-ion recombination fluctuations in liquid xenon as limiting cases of a more general liquid xenon recombination fluctuation model. Measurements of the standard deviation of these fluctuations at monoenergetic electronic recoil peaks exhibit a linear dependence on the number of ions for energy deposits up to 661.7 keV, consistent with previous LUX measurements between 2 and 16 keV with H3. We highlight similarities in liquid xenon recombination for electronic and nuclear recoils with a comparison of recombination fluctuations measured with low-energy calibration data.

Published
2017

18. Results from a Search for Dark Matter in the Complete LUX Exposure

Author

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

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, LUX Collaboration, astro-ph.CO, astro-ph.IM, hep-ex, physics.ins-det, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

We report constraints on spin-independent weakly interacting massive particle (WIMP)-nucleon scattering using a 3.35×10^{4}  kg day exposure of the Large Underground Xenon (LUX) experiment. A dual-phase xenon time projection chamber with 250 kg of active mass is operated at the Sanford Underground Research Facility under Lead, South Dakota (USA). With roughly fourfold improvement in sensitivity for high WIMP masses relative to our previous results, this search yields no evidence of WIMP nuclear recoils. At a WIMP mass of 50  GeV c^{-2}, WIMP-nucleon spin-independent cross sections above 2.2×10^{-46}  cm^{2} are excluded at the 90% confidence level. When combined with the previously reported LUX exposure, this exclusion strengthens to 1.1×10^{-46}  cm^{2} at 50  GeV c^{-2}.

Published
2017

19. Improved Limits on Scattering of Weakly Interacting Massive Particles from Reanalysis of 2013 LUX Data

Author

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

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, LUX Collaboration, astro-ph.CO, astro-ph.IM, hep-ex, physics.ins-det, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

We present constraints on weakly interacting massive particles (WIMP)-nucleus scattering from the 2013 data of the Large Underground Xenon dark matter experiment, including 1.4×10^{4}  kg day of search exposure. This new analysis incorporates several advances: single-photon calibration at the scintillation wavelength, improved event-reconstruction algorithms, a revised background model including events originating on the detector walls in an enlarged fiducial volume, and new calibrations from decays of an injected tritium β source and from kinematically constrained nuclear recoils down to 1.1 keV. Sensitivity, especially to low-mass WIMPs, is enhanced compared to our previous results which modeled the signal only above a 3 keV minimum energy. Under standard dark matter halo assumptions and in the mass range above 4  GeV c^{-2}, these new results give the most stringent direct limits on the spin-independent WIMP-nucleon cross section. The 90% C.L. upper limit has a minimum of 0.6 zb at 33  GeV c^{-2} WIMP mass.

Published
2016

20. Results on the Spin-Dependent Scattering of Weakly Interacting Massive Particles on Nucleons from the Run 3 Data of the LUX Experiment

Author

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

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, LUX Collaboration, hep-ex, hep-ph, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

We present experimental constraints on the spin-dependent WIMP (weakly interacting massive particle)-nucleon elastic cross sections from LUX data acquired in 2013. LUX is a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility (Lead, South Dakota), which is designed to observe the recoil signature of galactic WIMPs scattering from xenon nuclei. A profile likelihood ratio analysis of 1.4×10^{4}  kg day of fiducial exposure allows 90% C.L. upper limits to be set on the WIMP-neutron (WIMP-proton) cross section of σ_{n}=9.4×10^{-41}  cm^{2} (σ_{p}=2.9×10^{-39}  cm^{2}) at 33  GeV/c^{2}. The spin-dependent WIMP-neutron limit is the most sensitive constraint to date.

Published
2016

21. Tritium calibration of the LUX dark matter experiment

Author

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

Subjects
physics.ins-det, astro-ph.IM, hep-ex
Abstract

We present measurements of the electron-recoil (ER) response of the LUX dark matter detector based upon 170 000 highly pure and spatially uniform tritium decays. We reconstruct the tritium energy spectrum using the combined energy model and find good agreement with expectations. We report the average charge and light yields of ER events in liquid xenon at 180 and 105 V/cm and compare the results to the NEST model. We also measure the mean charge recombination fraction and its fluctuations, and we investigate the location and width of the LUX ER band. These results provide input to a reanalysis of the LUX run 3 weakly interacting massive particle search.

Published
2016

22. First Results from the LUX Dark Matter Experiment at the Sanford Underground Research Facility

Author

Akerib, DS, Araújo, HM, Bai, X, Bailey, AJ, Balajthy, J, Bedikian, S, Bernard, E, Bernstein, A, Bolozdynya, A, Bradley, A, Byram, D, Cahn, SB, Carmona-Benitez, MC, Chan, C, Chapman, JJ, Chiller, AA, Chiller, C, Clark, K, Coffey, T, Currie, A, Curioni, A, Dazeley, S, de Viveiros, L, Dobi, A, Dobson, J, Dragowsky, EM, Druszkiewicz, E, Edwards, B, Faham, CH, Fiorucci, S, Flores, C, Gaitskell, RJ, Gehman, VM, Ghag, C, Gibson, KR, Gilchriese, MGD, Hall, C, Hanhardt, M, Hertel, SA, Horn, M, Huang, DQ, Ihm, M, Jacobsen, RG, Kastens, L, Kazkaz, K, Knoche, R, Kyre, S, Lander, R, Larsen, NA, Lee, C, Leonard, DS, Lesko, KT, Lindote, A, Lopes, MI, Lyashenko, A, Malling, DC, Mannino, R, McKinsey, DN, Mei, D-M, Mock, J, Moongweluwan, M, Morad, J, Morii, M, Murphy, A St J, Nehrkorn, C, Nelson, H, Neves, F, Nikkel, JA, Ott, RA, Pangilinan, M, Parker, PD, Pease, EK, Pech, K, Phelps, P, Reichhart, L, Shutt, T, Silva, C, Skulski, W, Sofka, CJ, Solovov, VN, Sorensen, P, Stiegler, T, O'Sullivan, K, Sumner, TJ, Svoboda, R, Sweany, M, Szydagis, M, Taylor, D, Tennyson, B, Tiedt, DR, Tripathi, M, Uvarov, S, Verbus, JR, Walsh, N, Webb, R, White, JT, White, D, Witherell, MS, Wlasenko, M, and Wolfs, FLH

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, LUX Collaboration, astro-ph.CO, astro-ph.IM, hep-ex, physics.ins-det, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

The Large Underground Xenon (LUX) experiment is a dual-phase xenon time-projection chamber operating at the Sanford Underground Research Facility (Lead, South Dakota). The LUX cryostat was filled for the first time in the underground laboratory in February 2013. We report results of the first WIMP search data set, taken during the period from April to August 2013, presenting the analysis of 85.3 live days of data with a fiducial volume of 118 kg. A profile-likelihood analysis technique shows our data to be consistent with the background-only hypothesis, allowing 90% confidence limits to be set on spin-independent WIMP-nucleon elastic scattering with a minimum upper limit on the cross section of 7.6 × 10(-46) cm(2) at a WIMP mass of 33 GeV/c(2). We find that the LUX data are in disagreement with low-mass WIMP signal interpretations of the results from several recent direct detection experiments.

Published
2014

23. A Detailed Look at the First Results from the Large Underground Xenon (LUX) Dark Matter Experiment

Author

Szydagis, M, Akerib, DS, Araujo, HM, Bai, X, Bailey, AJ, Balajthy, J, Bernard, E, Bernstein, A, Bradley, A, Byram, D, Cahn, SB, Carmona-Benitez, MC, Chan, C, Chapman, JJ, Chiller, AA, Chiller, C, Coffey, T, Currie, A, Viveiros, L de, Dobi, A, Dobson, J, Druszkiewicz, E, Edwards, B, Faham, CH, Fiorucci, S, Flores, C, Gaitskell, RJ, Gehman, VM, Ghag, C, Gibson, KR, Gilchriese, MGD, Hall, C, Hertel, SA, Horn, M, Huang, DQ, Ihm, M, Jacobsen, RG, Kazkaz, K, Knoche, R, Larsen, NA, Lee, C, Lindote, A, Lopes, MI, Malling, DC, Mannino, R, McKinsey, DN, Mei, D-M, Mock, J, Moongweluwan, M, Morad, J, Murphy, A St J, Nehrkorn, C, Nelson, H, Neves, F, Ott, RA, Pangilinan, M, Parker, PD, Pease, EK, Pech, K, Phelps, P, Reichhart, L, Shutt, T, Silva, C, Solovov, VN, Sorensen, P, O'Sullivan, K, Sumner, T, Taylor, D, Tennyson, B, Tiedt, DR, Tripathi, M, Uvarov, S, Verbus, JR, Walsh, N, Webb, R, White, JT, Witherell, MS, Wolfs, FLH, Woods, M, and Zhang, C

Subjects
hep-ex, astro-ph.CO, astro-ph.IM, physics.ins-det
Abstract

LUX, the world's largest dual-phase xenon time-projection chamber, with afiducial target mass of 118 kg and 10,091 kg-days of exposure thus far, iscurrently the most sensitive direct dark matter search experiment. The initialnull-result limit on the spin-independent WIMP-nucleon scattering cross-sectionwas released in October 2013, with a primary scintillation threshold of 2 phe,roughly 3 keVnr for LUX. The detector has been deployed at the SanfordUnderground Research Facility (SURF) in Lead, South Dakota, and is the firstexperiment to achieve a limit on the WIMP cross-section lower than $10^{-45}$cm$^{2}$. Here we present a more in-depth discussion of the novel energy scaleemployed to better understand the nuclear recoil light and charge yields, andof the calibration sources, including the new internal tritium source. We foundthe LUX data to be in conflict with low-mass WIMP signal interpretations ofother results.

Published
2014

24. Cosmogenic production of 37 Ar in the context of the LUX-ZEPLIN experiment

Author

Aalbers, J, Akerib, DS, Al Musalhi, AK, Alder, F, Alsum, SK, Amarasinghe, CS, Ames, A, Anderson, TJ, Angelides, N, Araújo, HM, Armstrong, JE, Arthurs, M, Bai, X, Baker, A, Balajthy, J, Balashov, S, Bang, J, Bargemann, JW, Bauer, D, Baxter, A, Beattie, K, Bernard, EP, Bhatti, A, Biekert, A, Biesiadzinski, TP, Birch, HJ, Blockinger, GM, Bodnia, E, Boxer, B, Brew, CAJ, Brás, P, Burdin, S, Busenitz, JK, Buuck, M, Cabrita, R, Carmona-Benitez, MC, Cascella, M, Chan, C, Chawla, A, Chen, H, Chott, NI, Cole, A, Converse, MV, Cottle, A, Cox, G, Creaner, O, Cutter, JE, Dahl, CE, David, A, De Viveiros, L, Dobson, JEY, Druszkiewicz, E, Eriksen, SR, Fan, A, Fayer, S, Fearon, NM, Fiorucci, S, Flaecher, H, Fraser, ED, Fruth, T, Gaitskell, RJ, Genovesi, J, Ghag, C, Gibson, E, Gilchriese, MGD, Gokhale, S, Van der Grinten, MGD, Gwilliam, CB, Hall, CR, Haselschwardt, SJ, Hertel, SA, Horn, M, Huang, DQ, Hunt, D, Ignarra, CM, Jahangir, O, James, RS, Ji, W, Johnson, J, Kaboth, AC, Kamaha, AC, Kamdin, K, Khaitan, D, Khazov, A, Khurana, I, Kodroff, D, Korley, L, Korolkova, EV, Kraus, H, Kravitz, S, Kreczko, L, Kudryavtsev, VA, Leason, EA, Leonard, DS, Lesko, KT, Levy, C, Lee, J, Lin, J, Lindote, A, Linehan, R, Lippincott, WH, Liu, X, Lopes, MI, Lopez Asamar, E, Lopez-Paredes, B, Lorenzon, W, Luitz, S, Majewski, PA, Manalaysay, A, Manenti, L, Mannino, RL, Marangou, N, McCarthy, ME, McKinsey, DN, McLaughlin, J, Miller, EH, Mizrachi, E, Monte, A, Monzani, ME, Morad, JA, Morales Mendoza, JD, Morrison, E, Mount, BJ, Murphy, ASJ, Naim, D, Naylor, A, Nedlik, C, Nelson, HN, Neves, F, Nikoleyczik, JA, Nilima, A, Olcina, I, Oliver-Mallory, K, Pal, S, Palladino, KJ, Palmer, J, Parveen, N, Patton, SJ, Pease, EK, Penning, B, Pereira, G, Perry, E, Pershing, J, Piepke, A, Porzio, D, Qie, Y, Reichenbacher, J, Rhyne, CA, Richards, A, Riffard, Q, Rischbieter, GRC, Rosero, R, Rossiter, P, Rushton, T, Santone, D, Sazzad, ABMR, Schnee, RW, Scovell, PR, Shaw, S, Shutt, TA, Silk, JJ, Silva, C, Sinev, G, Smith, R, Solmaz, M, Solovov, VN, Sorensen, P, Soria, J, Stancu, I, Stevens, A, Stifter, K, Suerfu, B, Sumner, TJ, Swanson, N, Szydagis, M, Taylor, WC, Taylor, R, Temples, DJ, Terman, PA, Tiedt, DR, Timalsina, M, To, WH, Tong, Z, Tovey, DR, Trask, M, Tripathi, M, Tronstad, DR, Turner, W, Utku, U, Vaitkus, A, Wang, B, Wang, Y, Wang, JJ, Wang, W, Watson, JR, Webb, RC, White, RG, Whitis, TJ, Williams, M, Wolfs, FLH, Woodford, S, Woodward, D, Wright, CJ, Xia, Q, Xiang, X, Xu, J, and Yeh, M

Subjects
hep-ex, astro-ph.CO, hep-ph, astro-ph.IM
Abstract

We estimate the amount of 37 Ar produced in natural xenon via cosmic-ray-induced spallation, an inevitable consequence of the transportation and storage of xenon on the Earth’s surface. We then calculate the resulting 37 Ar concentration in a 10-tonne payload (similar to that of the LUX-ZEPLIN experiment) assuming a representative schedule of xenon purification, storage, and delivery to the underground facility. Using the spallation model by Silberberg and Tsao, the sea-level production rate of 37 Ar in natural xenon is estimated to be 0.024 atoms / kg / day . Assuming the xenon is successively purified to remove radioactive contaminants in 1-tonne batches at a rate of 1 tonne / month , the average 37 Ar activity after 10 tons are purified and transported underground is 0.058 − 0.090 μ Bq / kg , depending on the degree of argon removal during above-ground purification. Such cosmogenic 37 Ar will appear as a noticeable background in the early science data, while decaying with a 35-day half-life. This newly noticed production mechanism of 37 Ar should be considered when planning for future liquid-xenon-based experiments.

Published
2022

25. A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics

Author

Aalbers, J, AbdusSalam, SS, Abe, K, Aerne, V, Agostini, F, Ahmed Maouloud, S, Akerib, DS, Akimov, DY, Akshat, J, Al Musalhi, AK, Alder, F, Alsum, SK, Althueser, L, Amarasinghe, CS, Amaro, FD, Ames, A, Anderson, TJ, Andrieu, B, Angelides, N, Angelino, E, Angevaare, J, Antochi, VC, Antón Martin, D, Antunovic, B, Aprile, E, Araújo, HM, Armstrong, JE, Arneodo, F, Arthurs, M, Asadi, P, Baek, S, Bai, X, Bajpai, D, Baker, A, Balajthy, J, Balashov, S, Balzer, M, Bandyopadhyay, A, Bang, J, Barberio, E, Bargemann, JW, Baudis, L, Bauer, D, Baur, D, Baxter, A, Baxter, AL, Bazyk, M, Beattie, K, Behrens, J, Bell, NF, Bellagamba, L, Beltrame, P, Benabderrahmane, M, Bernard, EP, Bertone, GF, Bhattacharjee, P, Bhatti, A, Biekert, A, Biesiadzinski, TP, Binau, AR, Biondi, R, Biondi, Y, Birch, HJ, Bishara, F, Bismark, A, Blanco, C, Blockinger, GM, Bodnia, E, Boehm, C, Bolozdynya, AI, Bolton, PD, Bottaro, S, Bourgeois, C, Boxer, B, Brás, P, Breskin, A, Breur, PA, Brew, CAJ, Brod, J, Brookes, E, Brown, A, Brown, E, Bruenner, S, Bruno, G, Budnik, R, Bui, TK, Burdin, S, Buse, S, Busenitz, JK, Buttazzo, D, Buuck, M, Buzulutskov, A, Cabrita, R, Cai, C, Cai, D, Capelli, C, Cardoso, JMR, Carmona-Benitez, MC, Cascella, M, Catena, R, Chakraborty, S, Chan, C, Chang, S, Chauvin, A, Chawla, A, Chen, H, Chepel, V, Chott, NI, Cichon, D, Cimental Chavez, A, Cimmino, B, Clark, M, Co, RT, Colijn, AP, Conrad, J, Converse, MV, Costa, M, Cottle, A, Cox, G, Creaner, O, Cuenca Garcia, JJ, Cussonneau, JP, Cutter, JE, Dahl, CE, D’Andrea, V, David, A, Decowski, MP, Dent, JB, Deppisch, FF, De Viveiros, L, Di Gangi, P, Di Giovanni, A, Di Pede, S, Dierle, J, Diglio, S, Dobson, JEY, Doerenkamp, M, Douillet, D, Drexlin, G, Druszkiewicz, E, Dunsky, D, Eitel, K, Elykov, A, Emken, T, Engel, R, Eriksen, Fairbairn, M, Fan, A, Fan, JJ, Farrell, SJ, Fayer, S, Fearon, NM, Ferella, A, Ferrari, C, Fieguth, A, Fiorucci, S, Fischer, H, Flaecher, H, Flierman, M, Florek, T, Foot, R, Fox, PJ, Franceschini, R, Fraser, ED, Frenk, CS, Frohlich, S, Fruth, T, Fulgione, W, Fuselli, C, Gaemers, P, Gaior, R, Gaitskell, RJ, Galloway, M, Gao, F, Garcia Garcia, I, Genovesi, J, Ghag, C, Ghosh, S, Gibson, E, Gil, W, Giovagnoli, D, Girard, F, Glade-Beucke, R, Glück, F, Gokhale, S, De Gouvêa, A, Gráf, L, Grandi, L, Grigat, J, Grinstein, B, Van Der Grinten, MGD, Grössle, R, Guan, H, Guida, M, Gumbsheimer, R, Gwilliam, CB, Hall, CR, Hall, LJ, Hammann, R, Han, K, Hannen, V, Hansmann-Menzemer, S, Harata, R, Hardin, SP, Hardy, E, Hardy, CA, Harigaya, K, Harnik, R, Haselschwardt, SJ, Hernandez, M, Hertel, SA, Higuera, A, Hils, C, Hochrein, S, Hoetzsch, L, Hoferichter, M, Hood, N, Hooper, D, Horn, M, Howlett, J, Huang, DQ, Huang, Y, Hunt, D, Iacovacci, M, Iaquaniello, G, Ide, R, Ignarra, CM, Iloglu, G, Itow, Y, Jacquet, E, Jahangir, O, Jakob, J, James, RS, Jansen, A, Ji, W, Ji, X, Joerg, F, Johnson, J, Joy, A, Kaboth, AC, Kalhor, L, Kamaha, AC, Kanezaki, K, Kar, K, Kara, M, Kato, N, Kavrigin, P, Kazama, S, Keaveney, AW, Kellerer, J, Khaitan, D, Khazov, A, Khundzakishvili, G, Khurana, I, Kilminster, B, Kleifges, M, Ko, P, Kobayashi, M, Kodroff, D, Koltmann, G, Kopec, A, Kopmann, A, Kopp, J, Korley, L, Kornoukhov, VN, Korolkova, EV, Kraus, H, Krauss, LM, Kravitz, S, Kreczko, L, Kudryavtsev, VA, Kuger, F, Kumar, J, López Paredes, B, LaCascio, L, Laha, R, Laine, Q, Landsman, H, Lang, RF, Leason, EA, Lee, J, Leonard, DS, Lesko, KT, Levinson, L, Levy, C, Li, I, Li, SC, Li, T, Liang, S, Liebenthal, CS, Lin, J, Lin, Q, Lindemann, S, Lindner, M, Lindote, A, Linehan, R, Lippincott, WH, Liu, X, Liu, K, Liu, J, Loizeau, J, Lombardi, F, Long, J, Lopes, MI, Lopez Asamar, E, Lorenzon, W, Lu, C, Luitz, S, Ma, Y, Machado, PAN, Macolino, C, Maeda, T, Mahlstedt, J, Majewski, PA, Manalaysay, A, Mancuso, A, Manenti, L, Manfredini, A, Mannino, RL, Marangou, N, March-Russell, J, Marignetti, F, Marrodán Undagoitia, T, Martens, K, Martin, R, Martinez-Soler, I, Masbou, J, Masson, D, Masson, E, Mastroianni, S, Mastronardi, M, Matias-Lopes, JA, McCarthy, ME, McFadden, N, McGinness, E, McKinsey, DN, McLaughlin, J, McMichael, K, Meinhardt, P, Menéndez, J, Meng, Y, Messina, M, Midha, R, Milisavljevic, D, Miller, EH, Milosevic, B, Milutinovic, S, Mitra, SA, Miuchi, K, Mizrachi, E, Mizukoshi, K, Molinario, A, Monte, A, Monteiro, CMB, Monzani, ME, Moore, JS, Morå, K, Morad, JA, Morales Mendoza, JD, Moriyama, S, Morrison, E, Morteau, E, Mosbacher, Y, Mount, BJ, Mueller, J, Murphy, A St J, Murra, M, Naim, D, Nakamura, S, Nash, E, Navaieelavasani, N, Naylor, A, Nedlik, C, Nelson, HN, Neves, F, Newstead, JL, Ni, K, Nikoleyczik, JA, Niro, V, Oberlack, UG, Obradovic, M, Odgers, K, O’Hare, CAJ, Oikonomou, P, Olcina, I, Oliver-Mallory, K, Oranday, A, Orpwood, J, Ostrovskiy, I, Ozaki, K, Paetsch, B, Pal, S, Palacio, J, Palladino, KJ, Palmer, J, Panci, P, Pandurovic, M, Parlati, A, Parveen, N, Patton, SJ, Pěč, V, Pellegrini, Q, Penning, B, Pereira, G, Peres, R, Perez-Gonzalez, Y, Perry, E, Pershing, T, Petrossian-Byrne, R, Pienaar, J, Piepke, A, Pieramico, G, Pierre, M, Piotter, M, Pizzella, V, Plante, G, Pollmann, T, Porzio, D, Qi, J, Qie, Y, Qin, J, Quevedo, F, Raj, N, Rajado Silva, M, Ramanathan, K, Ramírez García, D, Ravanis, J, Redard-Jacot, L, Redigolo, D, Reichard, S, Reichenbacher, J, Rhyne, CA, Richards, A, Riffard, Q, Rischbieter, GRC, Rocchetti, A, Rosenfeld, SL, Rosero, R, Rupp, N, Rushton, T, Saha, S, Salucci, P, Sanchez, L, Sanchez-Lucas, P, Santone, D, Dos Santos, JMF, Sarnoff, I, Sartorelli, G, Sazzad, ABMR, Scheibelhut, M, Schnee, RW, Schrank, M, Schreiner, J, Schulte, P, Schulte, D, Schulze Eissing, H, Schumann, M, Schwemberger, T, Schwenk, A, Schwetz, T, Scotto Lavina, L, Scovell, PR, Sekiya, H, Selvi, M, Semenov, E, Semeria, F, Shagin, P, Shaw, S, Shi, S, Shockley, E, Shutt, TA, Si-Ahmed, R, Silk, JJ, Silva, C, Silva, MC, Simgen, H, Šimkovic, F, Sinev, G, Singh, R, Skulski, W, Smirnov, J, Smith, R, Solmaz, M, Solovov, VN, Sorensen, P, Soria, J, Sparmann, TJ, Stancu, I, Steidl, M, Stevens, A, Stifter, K, Strigari, LE, Subotic, D, Suerfu, B, Suliga, AM, Sumner, TJ, Szabo, P, Szydagis, M, Takeda, A, Takeuchi, Y, Tan, P-L, Taricco, C, Taylor, WC, Temples, DJ, Terliuk, A, Terman, PA, Thers, D, Thieme, K, Thümmler, T, Tiedt, DR, Timalsina, M, To, WH, Toennies, F, Tong, Z, Toschi, F, Tovey, DR, Tranter, J, Trask, M, Trinchero, GC, Tripathi, M, Tronstad, DR, Trotta, R, Tsai, YD, Tunnell, CD, Turner, WG, Ueno, R, Urquijo, P, Utku, U, Vaitkus, A, Valerius, K, Vassilev, E, Vecchi, S, Velan, V, Vetter, S, Vincent, AC, Vittorio, L, Volta, G, Von Krosigk, B, Von Piechowski, M, Vorkapic, D, Wagner, CEM, Wang, AM, Wang, B, Wang, Y, Wang, W, Wang, JJ, Wang, L-T, Wang, M, Watson, Wei, Y, Weinheimer, C, Weisman, E, Weiss, M, Wenz, D, West, SM, Whitis, TJ, Williams, M, Wilson, MJ, Winkler, D, Wittweg, C, Wolf, J, Wolf, T, Wolfs, FLH, Woodford, S, Woodward, D, Wright, CJ, Wu, VHS, Wu, P, Wüstling, S, Wurm, M, Xia, Q, Xiang, X, Xing, Y, Xu, J, Xu, Z, Xu, D, Yamashita, M, Yamazaki, R, Yan, H, Yang, L, Yang, Y, Ye, J, Yeh, M, Young, I, Yu, HB, Yu, TT, Yuan, L, Zavattini, G, Zerbo, S, Zhang, Y, Zhong, M, Zhou, N, Zhou, X, Zhu, T, Zhu, Y, Zhuang, Y, Zopounidis, JP, Zuber, K, Zupan, J, Aalbers, J, S AbdusSalam, S, Abe, K, Aerne, V, Agostini, F, Ahmed Maouloud, S, S Akerib, D, Y Akimov, D, Akshat, J, K Al Musalhi, A, Alder, F, K Alsum, S, Althueser, L, S Amarasinghe, C, D Amaro, F, Ames, A, J Anderson, T, Andrieu, B, Angelides, N, Angelino, E, Angevaare, J, C Antochi, V, Ant??n Martin, D, Antunovic, B, Aprile, E, M Ara??jo, H, E Armstrong, J, Arneodo, F, Arthurs, M, Asadi, P, Baek, S, Bai, X, Bajpai, D, Baker, A, Balajthy, J, Balashov, S, Balzer, M, Bandyopadhyay, A, Bang, J, Barberio, E, W Bargemann, J, Baudis, L, Bauer, D, Baur, D, Baxter, A, L Baxter, A, Bazyk, M, Beattie, K, Behrens, J, F Bell, N, Bellagamba, L, Beltrame, P, Benabderrahmane, M, P Bernard, E, F Bertone, G, Bhattacharjee, P, Bhatti, A, Biekert, A, P Biesiadzinski, T, R Binau, A, Biondi, R, Biondi, Y, J Birch, H, Bishara, F, Bismark, A, Blanco, C, M Blockinger, G, Bodnia, E, Boehm, C, I Bolozdynya, A, D Bolton, P, Bottaro, S, Bourgeois, C, Boxer, B, Br??s, P, Breskin, A, A Breur, P, J Brew, C A, Brod, J, Brookes, E, Brown, A, Brown, E, Bruenner, S, Bruno, G, Budnik, R, K Bui, T, Burdin, S, Buse, S, K Busenitz, J, Buttazzo, D, Buuck, M, Buzulutskov, A, Cabrita, R, Cai, C, Cai, D, Capelli, C, R Cardoso, J M, C Carmona-Benitez, M, Cascella, M, Catena, R, Chakraborty, S, Chan, C, Chang, S, Chauvin, A, Chawla, A, Chen, H, Chepel, V, I Chott, N, Cichon, D, Cimental Chavez, A, Cimmino, B, Clark, M, T Co, R, P Colijn, A, Conrad, J, V Converse, M, Costa, M, Cottle, A, Cox, G, Creaner, O, J Cuenca Garcia, J, P Cussonneau, J, E Cutter, J, E Dahl, C, D???andrea, V, David, A, P Decowski, M, B Dent, J, F Deppisch, F, de Viveiros, L, Di Gangi, P, Di Giovanni, A, Di Pede, S, Dierle, J, Diglio, S, Y Dobson, J E, Doerenkamp, M, Douillet, D, Drexlin, G, Druszkiewicz, E, Dunsky, D, Eitel, K, Elykov, A, Emken, T, Engel, R, R Eriksen, S, Fairbairn, M, Fan, A, J Fan, J, J Farrell, S, Fayer, S, M Fearon, N, Ferella, A, Ferrari, C, Fieguth, A, Fiorucci, S, Fischer, H, Flaecher, H, Flierman, M, Florek, T, Foot, R, J Fox, P, Franceschini, R, D Fraser, E, S Frenk, C, Frohlich, S, Fruth, T, Fulgione, W, Fuselli, C, Gaemers, P, Gaior, R, J Gaitskell, R, Galloway, M, Gao, F, Garcia Garcia, I, Genovesi, J, Ghag, C, Ghosh, S, Gibson, E, Gil, W, Giovagnoli, D, Girard, F, Glade-Beucke, R, Gl??ck, F, Gokhale, S, de Gouv??a, A, Gr??f, L, Grandi, L, Grigat, J, Grinstein, B, D van der Grinten, M G, Gr??ssle, R, Guan, H, Guida, M, Gumbsheimer, R, B Gwilliam, C, R Hall, C, J Hall, L, Hammann, R, Han, K, Hannen, V, Hansmann-Menzemer, S, Harata, R, P Hardin, S, Hardy, E, A Hardy, C, Harigaya, K, Harnik, R, J Haselschwardt, S, Hernandez, M, A Hertel, S, Higuera, A, Hils, C, Hochrein, S, Hoetzsch, L, Hoferichter, M, Hood, N, Hooper, D, Horn, M, Howlett, J, Q Huang, D, Huang, Y, Hunt, D, Iacovacci, M, Iaquaniello, G, Ide, R, M Ignarra, C, Iloglu, G, Itow, Y, Jacquet, E, Jahangir, O, Jakob, J, S James, R, Jansen, A, Ji, W, Ji, X, Joerg, F, Johnson, J, Joy, A, C Kaboth, A, Kalhor, L, C Kamaha, A, Kanezaki, K, Kar, K, Kara, M, Kato, N, Kavrigin, P, Kazama, S, W Keaveney, A, Kellerer, J, Khaitan, D, Khazov, A, Khundzakishvili, G, Khurana, I, Kilminster, B, Kleifges, M, Ko, P, Kobayashi, M, Kodroff, D, Koltmann, G, Kopec, A, Kopmann, A, Kopp, J, Korley, L, N Kornoukhov, V, V Korolkova, E, Kraus, H, M Krauss, L, Kravitz, S, Kreczko, L, A Kudryavtsev, V, Kuger, F, Kumar, J, L??pez Paredes, B, Lacascio, L, Laha, R, Laine, Q, Landsman, H, F Lang, R, A Leason, E, Lee, J, S Leonard, D, T Lesko, K, Levinson, L, Levy, C, I, Li, C Li, S, Li, T, Liang, S, S Liebenthal, C, Lin, J, Lin, Q, Lindemann, S, Lindner, M, Lindote, A, Linehan, R, H Lippincott, W, Liu, X, Liu, K, Liu, J, Loizeau, J, Lombardi, F, Long, J, I Lopes, M, Lopez Asamar, E, Lorenzon, W, Lu, C, Luitz, S, Ma, Y, N Machado, P A, Macolino, C, Maeda, T, Mahlstedt, J, A Majewski, P, Manalaysay, A, Mancuso, A, Manenti, L, Manfredini, A, L Mannino, R, Marangou, N, March-Russell, J, Marignetti, F, Marrod??n Undagoitia, T, Martens, K, Martin, R, Martinez-Soler, I, Masbou, J, Masson, D, Masson, E, Mastroianni, S, Mastronardi, M, A Matias-Lopes, J, E McCarthy, M, Mcfadden, N, Mcginness, E, N McKinsey, D, Mclaughlin, J, Mcmichael, K, Meinhardt, P, Men??ndez, J, Meng, Y, Messina, M, Midha, R, Milisavljevic, D, H Miller, E, Milosevic, B, Milutinovic, S, A Mitra, S, Miuchi, K, Mizrachi, E, Mizukoshi, K, Molinario, A, Monte, A, B Monteiro, C M, E Monzani, M, S Moore, J, Mor??, K, A Morad, J, D Morales Mendoza, J, Moriyama, S, Morrison, E, Morteau, E, Mosbacher, Y, J Mount, B, Mueller, J, J Murphy, A St, Murra, M, Naim, D, Nakamura, S, Nash, E, Navaieelavasani, N, Naylor, A, Nedlik, C, N Nelson, H, Neves, F, L Newstead, J, Ni, K, A Nikoleyczik, J, Niro, V, G Oberlack, U, Obradovic, M, Odgers, K, J O???Hare, C A, Oikonomou, P, Olcina, I, Oliver-Mallory, K, Oranday, A, Orpwood, J, Ostrovskiy, I, Ozaki, K, Paetsch, B, Pal, S, Palacio, J, J Palladino, K, Palmer, J, Panci, P, Pandurovic, M, Parlati, A, Parveen, N, J Patton, S, P????, V, Pellegrini, Q, Penning, B, Pereira, G, Peres, R, Perez-Gonzalez, Y, Perry, E, Pershing, T, Petrossian-Byrne, R, Pienaar, J, Piepke, A, Pieramico, G, Pierre, M, Piotter, M, Pizzella, V, Plante, G, Pollmann, T, Porzio, D, Qi, J, Qie, Y, Qin, J, Quevedo, F, Raj, N, Rajado Silva, M, Ramanathan, K, Ram??rez Garc??a, D, Ravanis, J, Redard-Jacot, L, Redigolo, D, Reichard, S, Reichenbacher, J, A Rhyne, C, Richards, A, Riffard, Q, C Rischbieter, G R, Rocchetti, A, L Rosenfeld, S, Rosero, R, Rupp, N, Rushton, T, Saha, S, Salucci, P, Sanchez, L, Sanchez-Lucas, P, Santone, D, F dos Santos, J M, Sarnoff, I, Sartorelli, G, R Sazzad, A B M, Scheibelhut, M, W Schnee, R, Schrank, M, Schreiner, J, Schulte, P, Schulte, D, Schulze Eissing, H, Schumann, M, Schwemberger, T, Schwenk, A, Schwetz, T, Scotto Lavina, L, R Scovell, P, Sekiya, H, Selvi, M, Semenov, E, Semeria, F, Shagin, P, Shaw, S, Shi, S, Shockley, E, A Shutt, T, Si-Ahmed, R, J Silk, J, Silva, C, C Silva, M, Simgen, H, imkovic, F, Sinev, G, Singh, R, Skulski, W, Smirnov, J, Smith, R, Solmaz, M, N Solovov, V, Sorensen, P, Soria, J, J Sparmann, T, Stancu, I, Steidl, M, Stevens, A, Stifter, K, E Strigari, L, Subotic, D, Suerfu, B, M Suliga, A, J Sumner, T, Szabo, P, Szydagis, M, Takeda, A, Takeuchi, Y, Tan, P-L, Taricco, C, C Taylor, W, J Temples, D, Terliuk, A, A Terman, P, Thers, D, Thieme, K, Th??mmler, T, R Tiedt, D, Timalsina, M, H To, W, Toennies, F, Tong, Z, Toschi, F, R Tovey, D, Tranter, J, Trask, M, C Trinchero, G, Tripathi, M, R Tronstad, D, Trotta, R, D Tsai, Y, D Tunnell, C, G Turner, W, Ueno, R, Urquijo, P, Utku, U, Vaitkus, A, Valerius, K, Vassilev, E, Vecchi, S, Velan, V, Vetter, S, C Vincent, A, Vittorio, L, Volta, G, von Krosigk, B, von Piechowski, M, Vorkapic, D, M Wagner, C E, M Wang, A, Wang, B, Wang, Y, Wang, W, J Wang, J, Wang, L-T, Wang, M, R Watson, J, Wei, Y, Weinheimer, C, Weisman, E, Weiss, M, Wenz, D, M West, S, J Whitis, T, Williams, M, J Wilson, M, Winkler, D, Wittweg, C, Wolf, J, Wolf, T, H Wolfs, F L, Woodford, S, Woodward, D, J Wright, C, S Wu, V H, Wu, P, W??stling, S, Wurm, M, Xia, Q, Xiang, X, Xing, Y, Xu, J, Xu, Z, Xu, D, Yamashita, M, Yamazaki, R, Yan, H, Yang, L, Yang, Y, Ye, J, Yeh, M, Young, I, B Yu, H, T Yu, T, Yuan, L, Zavattini, G, Zerbo, S, Zhang, Y, Zhong, M, Zhou, N, Zhou, X, Zhu, T, Zhu, Y, Zhuang, Y, P Zopounidis, J, Zuber, K, Zupan, J, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de physique subatomique et des technologies associées (SUBATECH), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Nantes université - UFR des Sciences et des Techniques (Nantes univ - UFR ST), Nantes Université - pôle Sciences et technologie, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Sciences et technologie, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), HEP, INSPIRE, Lang, RF [0000-0001-7594-2746], Schumann, M [0000-0002-5036-1256], and Apollo - University of Cambridge Repository

Subjects
detector: technology, Nuclear and High Energy Physics, Astrophysics and Astronomy, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Physics - Instrumentation and Detectors, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Physics::Instrumentation and Detectors, 530 Physics, FOS: Physical sciences, dark matter, neutrinoless double-beta decay, neutrinos, supernova, direct detection, astroparticle physics, xenon, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], nucl-ex, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), double-beta decay: (0neutrino), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Nuclear Physics - Experiment, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Topical Review, Nuclear Experiment (nucl-ex), Detectors and Experimental Techniques, physics.ins-det, Nuclear Experiment, Engineering & allied operations, activity report, xenon: liquid, hep-ex, Astrophysics::Instrumentation and Methods for Astrophysics, Instrumentation and Detectors (physics.ins-det), dark matter: detector, [PHYS.PHYS.PHYS-INS-DET] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], astro-ph.CO, time projection chamber: xenon, High Energy Physics::Experiment, ddc:620, [PHYS.ASTR] Physics [physics]/Astrophysics [astro-ph], [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Particle Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leading technology to cover the available parameter space for Weakly Interacting Massive Particles (WIMPs), while featuring extensive sensitivity to many alternative dark matter candidates. These detectors can also study neutrinos through neutrinoless double-beta decay and through a variety of astrophysical sources. A next-generation xenon-based detector will therefore be a true multi-purpose observatory to significantly advance particle physics, nuclear physics, astrophysics, solar physics, and cosmology. This review article presents the science cases for such a detector., 77 pages, 40 figures, 1262 references

Published
2022

26. Improving sensitivity to low-mass dark matter in LUX using a novel electrode background mitigation technique

Author

Collaboration, LUX, Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Bang, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, Viveiros, LD, Druszkiewicz, E, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, McKinsey, DN, Mei, D-M, Morad, JA, Murphy, ASJ, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Rhyne, C, Riffard, Q, Rischbieter, GRC, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Swanson, N, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tvrznikova, L, Utku, U, Vacheret, A, Vaitkus, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xiang, X, Xu, J, Zhang, C, and Science and Technology Facilities Council (STFC)

Subjects
Active target, Novel technique, Wire grid, Particle physics, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Physics - Instrumentation and Detectors, Dark matter, FOS: Physical sciences, Astronomy & Astrophysics, Atomic, 01 natural sciences, High Energy Physics - Experiment, Physics, Particles & Fields, High Energy Physics - Experiment (hep-ex), Particle and Plasma Physics, Low energy, Ionization, 0103 physical sciences, Nuclear, Sensitivity (control systems), 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), physics.ins-det, Physics, Quantum Physics, Science & Technology, 010308 nuclear & particles physics, hep-ex, Molecular, Instrumentation and Detectors (physics.ins-det), Nuclear & Particles Physics, Physical Sciences, astro-ph.CO, Low Mass, Astrophysics - Instrumentation and Methods for Astrophysics, Astronomical and Space Sciences, Astrophysics - Cosmology and Nongalactic Astrophysics, astro-ph.IM
Abstract

This paper presents a novel technique for mitigating electrode backgrounds that limit the sensitivity of searches for low-mass dark matter (DM) using xenon time projection chambers. In the LUX detector, signatures of low-mass DM interactions would be very low energy ($\sim$keV) scatters in the active target that ionize only a few xenon atoms and seldom produce detectable scintillation signals. In this regime, extra precaution is required to reject a complex set of low-energy electron backgrounds that have long been observed in this class of detector. Noticing backgrounds from the wire grid electrodes near the top and bottom of the active target are particularly pernicious, we develop a machine learning technique based on ionization pulse shape to identify and reject these events. We demonstrate the technique can improve Poisson limits on low-mass DM interactions by a factor of $2$-$7$ with improvement depending heavily on the size of ionization signals. We use the technique on events in an effective $5$ tonne$\cdot$day exposure from LUX's 2013 science operation to place strong limits on low-mass DM particles with masses in the range $m_{\chi}\in0.15$-$10$ GeV. This machine learning technique is expected to be useful for near-future experiments, such as LZ and XENONnT, which hope to perform low-mass DM searches with the stringent background control necessary to make a discovery., Comment: 14 pages, 13 figures

Published
2021

27. First direct detection constraint on mirror dark matter kinetic mixing using LUX 2013 data

Author

Collaboration, LUX, Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, Viveiros, LD, Druszkiewicz, E, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravitz, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, DM, Moongweluwan, M, Morad, JA, Murphy, ASJ, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, O'Sullivan, K, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Vacheret, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xu, J, and Zhang, C

Subjects
Large Underground Xenon experiment, Dark matter, chemistry.chemical_element, FOS: Physical sciences, Electron, Astronomy & Astrophysics, Kinetic energy, Atomic, 01 natural sciences, High Energy Physics - Experiment, Physics, Particles & Fields, High Energy Physics - Experiment (hep-ex), Particle and Plasma Physics, Recoil, Xenon, High Energy Physics - Phenomenology (hep-ph), 0103 physical sciences, Nuclear, 010306 general physics, Physics, Quantum Physics, Science & Technology, 010308 nuclear & particles physics, hep-ex, Molecular, hep-ph, Nuclear & Particles Physics, High Energy Physics - Phenomenology, chemistry, 13. Climate action, Physical Sciences, Electron temperature, Atomic physics, Electron scattering, Astronomical and Space Sciences
Abstract

Author(s): Akerib, DS; Alsum, S; Araujo, HM; Bai, X; Balajthy, J; Baxter, A; Bernard, EP; Bernstein, A; Biesiadzinski, TP; Boulton, EM; Boxer, B; Bras, P; Burdin, S; Byram, D; Carmona-Benitez, MC; Chan, C; Cutter, JE; De Viveiros, L; Druszkiewicz, E; Fan, A; Fiorucci, S; Gaitskell, RJ; Ghag, C; Gilchriese, MGD; Gwilliam, C; Hall, CR; Haselschwardt, SJ; Hertel, SA; Hogan, DP; Horn, M; Huang, DQ; Ignarra, CM; Jacobsen, RG; Jahangir, O; Ji, W; Kamdin, K; Kazkaz, K; Khaitan, D; Korolkova, EV; Kravitz, S; Kudryavtsev, VA; Leason, E; Lenardo, BG; Lesko, KT; Liao, J; Lin, J; Lindote, A; Lopes, MI; Manalaysay, A; Mannino, RL; Marangou, N; Marzioni, MF; McKinsey, DN; Mei, DM; Moongweluwan, M; Morad, JA; Murphy, ASJ; Naylor, A; Nehrkorn, C; Nelson, HN; Neves, F; Nilima, A; Oliver-Mallory, KC; Palladino, KJ; Pease, EK; Riffard, Q; Rischbieter, GRC; Rhyne, C; Rossiter, P; Shaw, S; Shutt, TA; Silva, C; Solmaz, M; Solovov, VN; Sorensen, P; Sumner, TJ; Szydagis, M; Taylor, DJ; Taylor, R; Taylor, WC; Tennyson, BP; Terman, PA; Tiedt, DR; To, WH; Tripathi, M | Abstract: We present the results of a direct detection search for mirror dark matter interactions, using data collected from the Large Underground Xenon experiment during 2013, with an exposure of 95 live-days×118 kg. Here, the calculations of the mirror electron scattering rate in liquid xenon take into account the shielding effects from mirror dark matter captured within the Earth. Annual and diurnal modulation of the dark matter flux and atomic shell effects in xenon are also accounted for. Having found no evidence for an electron recoil signal induced by mirror dark matter interactions we place an upper limit on the kinetic mixing parameter over a range of local mirror electron temperatures between 0.1 and 0.9 keV. This limit shows significant improvement over the previous experimental constraint from orthopositronium decays and significantly reduces the allowed parameter space for the model. We exclude mirror electron temperatures above 0.3 keV at a 90% confidence level, for this model, and constrain the kinetic mixing below this temperature.

Published
2020

28. Improved modeling of $β$ electronic recoils in liquid xenon using LUX calibration data

Author

Collaboration, TLUX, Akerib, DS, Alsum, S, Araújo, HM, Bai, X, Balajthy, J, Baxter, A, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boulton, EM, Boxer, B, Brás, P, Burdin, S, Byram, D, Carmona-Benitez, MC, Chan, C, Cutter, JE, Viveiros, LD, Druszkiewicz, E, Fan, A, Fiorucci, S, Gaitskell, RJ, Ghag, C, Gilchriese, MGD, Gwilliam, C, Hall, CR, Haselschwardt, SJ, Hertel, SA, Hogan, DP, Horn, M, Huang, DQ, Ignarra, CM, Jacobsen, RG, Jahangir, O, Ji, W, Kamdin, K, Kazkaz, K, Khaitan, D, Korolkova, EV, Kravits, S, Kudryavtsev, VA, Leason, E, Lenardo, BG, Lesko, KT, Liao, J, Lin, J, Lindote, A, Lopes, MI, Manalaysay, A, Mannino, RL, Marangou, N, Marzioni, MF, McKinsey, DN, Mei, DM, Moongweluwan, M, Morad, JA, Murphy, ASJ, Naylor, A, Nehrkorn, C, Nelson, HN, Neves, F, Nilima, A, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Riffard, Q, Rischbieter, GRC, Rhyne, C, Rossiter, P, Shaw, S, Shutt, TA, Silva, C, Solmaz, M, Solovov, VN, Sorensen, P, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, R, Taylor, WC, Tennyson, BP, Terman, PA, Tiedt, DR, To, WH, Tripathi, M, Tvrznikova, L, Utku, U, Uvarov, S, Vacheret, A, Velan, V, Webb, RC, White, JT, Whitis, TJ, Witherell, MS, Wolfs, FLH, Woodward, D, Xu, J, Zhang, C, and Science and Technology Facilities Council (STFC)

Subjects
Physics::Instrumentation and Detectors, hep-ex, physics.ins-det
Abstract

We report here methods and techniques for creating and improving a model that reproduces the scintillation and ionization response of a dual-phase liquid and gaseous xenon time-projection chamber. Starting with the recent release of the Noble Element Simulation Technique (NEST v2.0), electronic recoil data from the $\beta$ decays of ${}^3$H and ${}^{14}$C in the Large Underground Xenon (LUX) detector were used to tune the model, in addition to external data sets that allow for extrapolation beyond the LUX data-taking conditions. This paper also presents techniques used for modeling complicated temporal and spatial detector pathologies that can adversely affect data using a simplified model framework. The methods outlined in this report show an example of the robust applications possible with NEST v2.0, while also providing the final electronic recoil model and detector parameters that will used in the new analysis package, the LUX Legacy Analysis Monte Carlo Application (LLAMA), for accurate reproduction of the LUX data. As accurate background reproduction is crucial for the success of rare-event searches, such as dark matter direct detection experiments, the techniques outlined here can be used in other single-phase and dual-phase xenon detectors to assist with accurate ER background reproduction.

Published
2019

29. A Detailed Look at the First Results from the Large Underground Xenon (LUX) Dark Matter Experiment

Author

Szydagis, M, Akerib, DS, Araujo, HM, Bai, X, Bailey, AJ, Balajthy, J, Bernard, E, Bernstein, A, Bradley, A, Byram, D, Cahn, SB, Carmona-Benitez, MC, Chan, C, Chapman, JJ, Chiller, AA, Chiller, C, Coffey, T, Currie, A, Viveiros, L de, Dobi, A, Dobson, J, Druszkiewicz, E, Edwards, B, Faham, CH, Fiorucci, S, Flores, C, Gaitskell, RJ, Gehman, VM, Ghag, C, Gibson, KR, Gilchriese, MGD, Hall, C, Hertel, SA, Horn, M, Huang, DQ, Ihm, M, Jacobsen, RG, Kazkaz, K, Knoche, R, Larsen, NA, Lee, C, Lindote, A, Lopes, MI, Malling, DC, Mannino, R, McKinsey, DN, Mei, D-M, Mock, J, Moongweluwan, M, Morad, J, Murphy, A St J, Nehrkorn, C, Nelson, H, Neves, F, Ott, RA, Pangilinan, M, Parker, PD, Pease, EK, Pech, K, Phelps, P, Reichhart, L, Shutt, T, Silva, C, Solovov, VN, Sorensen, P, O'Sullivan, K, Sumner, T, Taylor, D, Tennyson, B, Tiedt, DR, Tripathi, M, Uvarov, S, Verbus, JR, Walsh, N, Webb, R, White, JT, Witherell, MS, Wolfs, FLH, Woods, M, and Zhang, C

Subjects
High Energy Physics - Experiment (hep-ex), Physics - Instrumentation and Detectors, Cosmology and Nongalactic Astrophysics (astro-ph.CO), hep-ex, astro-ph.CO, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM), physics.ins-det, High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics, astro-ph.IM
Abstract

LUX, the world's largest dual-phase xenon time-projection chamber, with a fiducial target mass of 118 kg and 10,091 kg-days of exposure thus far, is currently the most sensitive direct dark matter search experiment. The initial null-result limit on the spin-independent WIMP-nucleon scattering cross-section was released in October 2013, with a primary scintillation threshold of 2 phe, roughly 3 keVnr for LUX. The detector has been deployed at the Sanford Underground Research Facility (SURF) in Lead, South Dakota, and is the first experiment to achieve a limit on the WIMP cross-section lower than $10^{-45}$ cm$^{2}$. Here we present a more in-depth discussion of the novel energy scale employed to better understand the nuclear recoil light and charge yields, and of the calibration sources, including the new internal tritium source. We found the LUX data to be in conflict with low-mass WIMP signal interpretations of other results., Comment: 16 pages, 3 figures, to appear in the proceedings of The 10th International Symposium on Cosmology and Particle Astrophysics (CosPA2013); fixed author list and added info on new calibration

Published
2018

30. Low-energy (0.7-74 keV) nuclear recoil calibration of the LUX dark matter experiment using D-D neutron scattering kinematics

Author

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

Subjects
Physics::Instrumentation and Detectors, hep-ex, Astrophysics::Instrumentation and Methods for Astrophysics, Nuclear Experiment, physics.ins-det, astro-ph.IM
Abstract

The Large Underground Xenon (LUX) experiment is a dual-phase liquid xenon time projection chamber (TPC) operating at the Sanford Underground Research Facility in Lead, South Dakota. A calibration of nuclear recoils in liquid xenon was performed $\textit{in situ}$ in the LUX detector using a collimated beam of mono-energetic 2.45 MeV neutrons produced by a deuterium-deuterium (D-D) fusion source. The nuclear recoil energy from the first neutron scatter in the TPC was reconstructed using the measured scattering angle defined by double-scatter neutron events within the active xenon volume. We measured the absolute charge ($Q_{y}$) and light ($L_{y}$) yields at an average electric field of 180 V/cm for nuclear recoil energies spanning 0.7 to 74 keV and 1.1 to 74 keV, respectively. This calibration of the nuclear recoil signal yields will permit the further refinement of liquid xenon nuclear recoil signal models and, importantly for dark matter searches, clearly demonstrates measured ionization and scintillation signals in this medium at recoil energies down to $\mathcal{O}$(1 keV).

Published
2016

31. LUX-ZEPLIN (LZ) Conceptual Design Report

Author

Collaboration, TLZ, Akerib, DS, Akerlof, CW, Akimov, DY, Alsum, SK, Araújo, HM, Bai, X, Bailey, AJ, Balajthy, J, Balashov, S, Barry, MJ, Wei, W-Z, While, M, White, DT, Whitis, TJ, Wisniewski, WJ, Witherell, MS, Wolfs, FLH, Woods, E, Woodward, D, Bramante, R, Lorenzon, W, Worm, SD, Yeh, M, Yin, J, Young, SK, Zhang, C, Buckley, JH, Bugaev, Bunker, R, Burdin, S, Busenitz, JK, Luitz, S, Carels, C, Carlsmith, DL, Carlson, B, Carmona-Benitez, MC, Cascella, M, Chan, C, Cherwinka, JJ, Chiller, AA, Chiller, C, Craddock, WW, Majewski, P, Currie, A, Cutter, JE, Cunha, JPD, Dahl, CE, Dasu, S, Davison, TJR, Viveiros, LD, Dobi, A, Dobson, JEY, Druszkiewicz, E, Malling, DC, Edberg, TK, Edwards, BN, Edwards, WR, Elnimr, MM, Emmet, WT, Faham, CH, Fiorucci, S, Ford, P, Francis, VB, Fu, C, Manalaysay, AG, Gaitskell, RJ, Gantos, NJ, Gehman, VM, Gerhard, RM, Ghag, C, Gilchriese, MGD, Gomber, B, Hall, CR, Harris, A, Haselschwardt, SJ, Manenti, L, Hertel, SA, Hoff, MD, Holbrook, B, Holtom, E, Huang, DQ, Hurteau, TW, Ignarra, CM, Jacobsen, RG, Ji, W, Ji, X, Mannino, RL, Johnson, M, Ju, Y, Kamdin, K, Kazkaz, K, Khaitan, D, Khazov, A, Khromov, AV, Konovalov, AM, Korolkova, EV, Kraus, H, Markley, DJ, Krebs, HJ, Kudryavtsev, VA, Kumpan, AV, Kyre, S, Larsen, NA, Lee, C, Lenardo, BG, Lesko, KT, Liao, F-T, Lin, J, Martin, TJ, Lindote, A, Lippincott, WH, Liu, J, Liu, X, Lopes, MI, Marzioni, MF, Bauer, P, McKinsey, DN, Mei, D-M, Meng, Y, Miller, EH, Mock, J, Monzani, ME, Morad, JA, Murphy, ASJ, Nelson, HN, Neves, F, Beltrame, P, Nikkel, JA, O'Neill, FG, O'Dell, J, O'Sullivan, K, Olevitch, MA, Oliver-Mallory, KC, Palladino, KJ, Pangilinan, M, Patton, SJ, Pease, EK, Bernard, EP, Piepke, A, Powell, S, Preece, RM, Pushkin, K, Ratcliff, BN, Reichenbacher, J, Reichhart, L, Rhyne, C, Rodrigues, JP, Rose, HJ, Bernstein, A, Rosero, R, Saba, JS, Sarychev, M, Schnee, RW, Schubnell, MSG, Scovell, PR, Shaw, S, Shutt, TA, Silva, C, Skarpaas, K, Biesiadzinski, TP, Skulski, W, Solovov, VN, Sorensen, P, Sosnovtsev, Stancu, I, Stark, MR, Stephenson, S, Stiegler, TM, Sumner, TJ, Sundarnath, K, Boast, KE, Szydagis, M, Taylor, DJ, Taylor, W, Tennyson, BP, Terman, PA, Thomas, KJ, Thomson, JA, Tiedt, DR, To, WH, Tomás, A, Bolozdynya, AI, Tripathi, M, Tull, CE, Tvrznikova, L, Uvarov, S, Va'vra, J, Grinten, MGDVD, Verbus, Vuosalo, CO, Waldron, WL, Wang, L, Boulton, EM, and Webb, RC

Subjects
hep-ex, 7. Clean energy, physics.ins-det, astro-ph.IM
Abstract

The design and performance of the LUX-ZEPLIN (LZ) detector is described as of March 2015 in this Conceptual Design Report. LZ is a second-generation dark-matter detector with the potential for unprecedented sensitivity to weakly interacting massive particles (WIMPs) of masses from a few GeV/c2 to hundreds of TeV/c2. With total liquid xenon mass of about 10 tonnes, LZ will be the most sensitive experiment for WIMPs in this mass region by the end of the decade. This report describes in detail the design of the LZ technical systems. Expected backgrounds are quantified and the performance of the experiment is presented. The LZ detector will be located at the Sanford Underground Research Facility in South Dakota. The organization of the LZ Project and a summary of the expected cost and current schedule are given.

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