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25 April 2024

» arxiv » 1609.6154

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XENON100 Dark Matter Results from a Combination of 477 Live Days
XENON100 Collaboration ; E. Aprile ; J. Aalbers ; F. Agostini ; M. Alfonsi ; F. D. Amaro ; M. Anthony ; F. Arneodo ; P. Barrow ; L. Baudis ; B. Bauermeister ; M. L. Benabderrahmane ; T. Berger ; P. A. Breur ; A. Brown ; E. Brown ; S. Bruenner ; G. Bruno ; R. Budnik ; L. Bütikofer ; J. Calvén ; J. M. R. Cardoso ; M. Cervantes ; D. Cichon ; D. Coderre ; A. P. Colijn ; J. Conrad ; J. P. Cussonneau ; M. P. Decowski ; P. de Perio ; P. Di Gangi ; A. Di Giovanni ; S. Diglio ; E. Duchovni ; J. Fei ; A. D. Ferella ; A. Fieguth ; D. Franco ; W. Fulgione ; A. Gallo Rosso ; M. Galloway ; F. Gao ; M. Garbini ; C. Geis ; L. W. Goetzke ; Z. Greene ; C. Grignon ; C. Hasterok ; E. Hogenbirk ; R. Itay ; B. Kaminsky ; G. Kessler ; A. Kish ; H. Landsman ; R. F. Lang ; D. Lellouch ; L. Levinson ; M. Le Calloch ; C. Levy ; Q. Lin ; S. Lindemann ; M. Lindner ; J. A. M. Lopes ; A. Manfredini ; T. Marrodán Undagoitia ; J. Masbou ; F. V. Massoli ; D. Masson ; D. Mayani ; Y. Meng ; M. Messina ; K. Micheneau ; B. Miguez ; A. Molinario ; M. Murra ; J. Naganoma ; K. Ni ; U. Oberlack ; S. E. A. Orrigo ; P. Pakarha ; B. Pelssers ; R. Persiani ; F. Piastra ; J. Pienaar ; M.-C. Piro ; G. Plante ; N. Priel ; L. Rauch ; S. Reichard ; C. Reuter ; A. Rizzo ; S. Rosendahl ; N. Rupp ; J. M. F. dos Santos ; G. Sartorelli ; M. Scheibelhut ; S. Schindler ; J. Schreiner ; M. Schumann ; L. Scotto Lavina ; M. Selvi ; P. Shagin ; M. Silva ; H. Simgen ; M. v. Sivers ; A. Stein ; D. Thers ; A. Tiseni ; G. Trinchero ; C. D. Tunnell ; R. Wall ; H. Wang ; M. Weber ; Y. Wei ; C. Weinheimer ; J. Wulf ; Y. Zhang ;
Date:	20 Sep 2016
Abstract:	We report on WIMP search results of the XENON100 experiment, combining three runs summing up to 477 live days from January 2010 to January 2014. Data from the first two runs were already published. A blind analysis was applied to the last run recorded between April 2013 and January 2014 prior to combining the results. The ultra-low electromagnetic background of the experiment, ~$5 imes 10^{-3}$ events/(keV$_{mathrm{ee}} imes$kg$ imes$day) before electronic recoil rejection, together with the increased exposure of 48 kg $ imes$ yr improves the sensitivity. A profile likelihood analysis using an energy range of (6.6 - 43.3) keV$_{mathrm{nr}}$ sets a limit on the elastic, spin-independent WIMP-nucleon scattering cross section for WIMP masses above 8 GeV/$c^2$, with a minimum of 1.1 $ imes 10^{-45}$ cm$^2$ at 50 GeV/$c^2$ and 90% confidence level. We also report updated constraints on the elastic, spin-dependent WIMP-nucleon cross sections obtained with the same data. We set upper limits on the WIMP-neutron (proton) cross section with a minimum of 2.0 $ imes 10^{-40}$ cm$^2$ (52$ imes 10^{-40}$ cm$^2$) at a WIMP mass of 50 GeV/$c^2$, at 90% confidence level.
Source:	arXiv, 1609.6154
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