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3 results on '"Ihm M"'

1. 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

2. 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

3. Tritium calibration of the LUX dark matter experiment

Author

Collaboration, LUX, Akerib, D. S., Araújo, H. M., Bai, X., Bailey, A. J., Balajthy, J., Beltrame, P., Bernard, E. P., Bernstein, A., Biesiadzinski, T. P., Boulton, E. M., Bradley, A., Bramante, R., Cahn, S. B., Carmona-Benitez, M. C., Chan, C., Chapman, J. J., Chiller, A. A., Chiller, C., Currie, A., Cutter, J. E., Davison, T. J. R., Viveiros, L. de, Dobi, A., Dobson, J. E. Y., Druszkiewicz, E., Edwards, B. N., Faham, C. H., Fiorucci, S., Gaitskell, R. J., Gehman, V. M., Ghag, C., Gibson, K. R., Gilchriese, M. G. D., Hall, C. R., Hanhardt, M., Haselschwardt, S. J., Hertel, S. A., Hogan, D. P., Horn, M., Huang, D. Q., Ignarra, C. M., Ihm, M., Jacobsen, R. G., Ji, W., Kazkaz, K., Khaitan, D., Knoche, R., Larsen, N. A., Lee, C., Lenardo, B. G., Lesko, K. T., Lindote, A., Lopes, M. I., Malling, D. C., Manalaysay, A. G., Mannino, R. L., Marzioni, M. F., McKinsey, D. N., Mei, D. M., Mock, J., Moongweluwan, M., Morad, J. A., Murphy, Alex, Nehrkorn, C., Nelson, H. N., Neves, F., O`Sullivan, K., Oliver-Mallory, K. C., Ott, R. A., Palladino, K. J., Pangilinan, M., Pease, E. K., Phelps, P., Reichhart, L., Rhyne, C., Shaw, S., Shutt, T. A., Silva, C., Solovov, V. N., Sorensen, P., Stephenson, S., Sumner, T. J., Szydagis, M., Taylor, D. J., Taylor, W., Tennyson, B. P., Terman, P. A., Tiedt, D. R., To, W. H., Tripathi, M., Tvrznikova, L., Uvarov, S., Verbus, J. R., Webb, R. C., White, J. T., Whitis, T. J., Witherell, M. S., Wolfs, F. L. H., Young, S. K., Zhang, C., Science and Technology Facilities Council (STFC), and The Royal Society

Subjects
Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, Dark matter, Massive particle, FOS: Physical sciences, chemistry.chemical_element, Astrophysics::Cosmology and Extragalactic Astrophysics, Astronomy & Astrophysics, GASES, Atomic, 01 natural sciences, High Energy Physics - Experiment, Physics, Particles & Fields, ENERGY, Nuclear physics, High Energy Physics - Experiment (hep-ex), XENON, Particle and Plasma Physics, 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics, Xenon, 0103 physical sciences, Calibration, PARTICLES, Nuclear, 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), 0206 Quantum Physics, physics.ins-det, Physics, Quantum Physics, Science & Technology, hep-ex, 010308 nuclear & particles physics, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Molecular, Charge (physics), Instrumentation and Detectors (physics.ins-det), Nuclear & Particles Physics, 0201 Astronomical And Space Sciences, chemistry, Physical Sciences, Scintillation counter, Tritium, Astrophysics - Instrumentation and Methods for Astrophysics, DECAY, Astronomical and Space Sciences, astro-ph.IM
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

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