Related papers: Profile likelihood ratio analysis techniques for r…

Dark Matter Search Results from a One Tonne$\times$Year Exposure of XENON1T

We report on a search for Weakly Interacting Massive Particles (WIMPs) using 278.8 days of data collected with the XENON1T experiment at LNGS. XENON1T utilizes a liquid xenon time projection chamber with a fiducial mass of $(1.30 \pm 0.01)$…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-14 E. Aprile , J. Aalbers , F. Agostini , M. Alfonsi , L. Althueser , F. D. Amaro , M. Anthony , F. Arneodo , L. Baudis , B. Bauermeister , M. L. Benabderrahmane , T. Berger , P. A. Breur , A. Brown , A. Brown , E. Brown , S. Bruenner , G. Bruno , R. Budnik , C. Capelli , J. M. R. Cardoso , 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 , A. Elykov , G. Eurin , J. Fei , A. D. Ferella , A. Fieguth , W. Fulgione , A. Gallo Rosso , M. Galloway , F. Gao , M. Garbini , C. Geis , L. Grandi , Z. Greene , H. Qiu , C. Hasterok , E. Hogenbirk , J. Howlett , R. Itay , F. Joerg , B. Kaminsky , S. Kazama , A. Kish , G. Koltman , H. Landsman , R. F. Lang , L. Levinson , Q. Lin , S. Lindemann , M. Lindner , F. Lombardi , J. A. M. Lopes , J. Mahlstedt , A. Manfredini , T. Marrodán Undagoitia , J. Masbou , D. Masson , M. Messina , K. Micheneau , K. Miller , A. Molinario , K. Morå , M. Murra , J. Naganoma , K. Ni , U. Oberlack , B. Pelssers , F. Piastra , J. Pienaar , V. Pizzella , G. Plante , R. Podviianiuk , N. Priel , D. Ramírez García , L. Rauch , S. Reichard , C. Reuter , B. Riedel , A. Rizzo , A. Rocchetti , N. Rupp , J. M. F. dos Santos , G. Sartorelli , M. Scheibelhut , S. Schindler , J. Schreiner , D. Schulte , M. Schumann , L. Scotto Lavina , M. Selvi , P. Shagin , E. Shockley , M. Silva , H. Simgen , D. Thers , F. Toschi , G. Trinchero , C. Tunnell , N. Upole , M. Vargas , O. Wack , H. Wang , Z. Wang , Y. Wei , C. Weinheimer , C. Wittweg , J. Wulf , J. Ye , Y. Zhang , T. Zhu

Comparing the Predictions of two Mixed Neutralino Dark Matter Models with the Recent CDMS II Candidate Events

We consider two optimally mixed neutralino dark matter models, based on nonuniversal gaugino masses, which were recently proposed by us to achieve WMAP compatible relic density over a large part of the MSSM parameter space. We compare the…

High Energy Physics - Phenomenology · Physics 2010-04-06 D. P. Roy

Effects of Residue Background Events in Direct Dark Matter Detection Experiments on the Determinations of Ratios of WIMP-Nucleon Cross Sections

In our work on the development of model-independent data analysis methods for determining ratios between different couplings/cross sections of Weakly Interacting Massive Particles (WIMPs) by using measured recoil energies from direct Dark…

High Energy Physics - Phenomenology · Physics 2011-08-17 Chung-Lin Shan

Status of the DAMIC direct dark matter search experiment

The DAMIC experiment uses fully depleted, high resistivity CCDs to search for dark matter particles. With an energy threshold $\sim$50 eV$_{ee}$, and excellent energy and spatial resolutions, the DAMIC CCDs are well-suited to identify and…

Instrumentation and Detectors · Physics 2015-12-09 DAMIC Collaboration , A. Aguilar-Arevalo , D. Amidei , X. Bertou , D. Boule , M. Butner , G. Cancelo , A. Castañeda Vázquez , A. E. Chavarría , J. R. T. de Melo Neto , S. Dixon , J. C. D'Olivo , J. Estrada , G. Fernandez Moroni , K. P. Hernández Torres , F. Izraelevitch , A. Kavner , B. Kilminster , I. Lawson , J. Liao , M. López , J. Molina , G. Moreno-Granados , J. Pena , P. Privitera , Y. Sarkis , V. Scarpine , T. Schwartz , M. Sofo Haro , J. Tiffenberg , D. Torres Machado , F. Trillaud , X. You , J. Zhou

Relic neutralinos and the two dark matter candidate events of the CDMS II experiment

The CDMS Collaboration has presented its results for the final exposure of the CDMS II experiment and reports that two candidate events for dark matter would survive after application of the various discrimination and subtraction procedures…

High Energy Physics - Phenomenology · Physics 2010-05-25 A. Bottino , F. Donato , N. Fornengo , S. Scopel

On the Neutralino as Dark Matter Candidate - II. Direct Detection

Evaluations of the event rates relevant to direct search for dark matter neutralino are presented for a wide range of neutralino masses and for various detector materials of preeminent interest. Differential and total rates are…

High Energy Physics - Phenomenology · Physics 2011-05-23 A. Bottino , V. de Alfaro , N. Fornengo , G. Mignola , S. Scopel

Cosmic microwave background constraints on light dark matter candidates

Unveiling the nature of cosmic dark matter (DM) is an urgent issue in cosmology. Here we make use of a strategy based on the search for the imprints left on the cosmic microwave background temperature and polarization spectra by the energy…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Carmelo Evoli , Stefania Pandolfi , Andrea Ferrara

Direct detection experiments explained with mirror dark matter

Recently, the CDMS/Si experiment has observed a low energy excess of events in their dark matter search. In light of this new result we update the mirror dark matter explanation of the direction detection experiments. We find that the DAMA,…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 R. Foot

New class of biological detectors for WIMPs

Weakly Interacting Massive Particles (WIMPs) may constitute a large fraction of the matter in the Universe. There are excess events in the data of DAMA/LIBRA, CoGeNT, CRESST-II, and recently CDMS-Si, which could be consistent with WIMP…

Instrumentation and Methods for Astrophysics · Physics 2015-07-03 Andrzej K. Drukier , Charles Cantor , Mark Chonofsky , George M. Church , Robert L. Fagaly , Katherine Freese , Alejandro Lopez , Takeshi Sano , Christopher Savage , Wesley P. Wong

The DAMIC dark matter experiment

The DAMIC (Dark Matter in CCDs) experiment uses high resistivity, scientific grade CCDs to search for dark matter. The CCD's low electronic noise allows an unprecedently low energy threshold of a few tens of eV that make it possible to…

Instrumentation and Detectors · Physics 2016-08-07 A. Aguilar-Arevalo , D. Amidei , X. Bertou , D. Bole , M. Butner , G. Cancelo , A. Castañeda Vázquez , A. E. Chavarria , J. R. T. de Mello Neto , S. Dixon , J. C. D'Olivo , J. Estrada , G. Fernandez Moroni , K. P. Hernández Torres , F. Izraelevitch , A. Kavner , B. Kilminster , I. Lawson , J. Liao , M. López , J. Molina , G. Moreno-Granados , J. Pena , P. Privitera , Y. Sarkis , V. Scarpine , T. Schwarz , M. Sofo Haro , J. Tiffenberg , D. Torres Machado , F. Trillaud , X. You , J. Zhou

Radiogenic and Muon-Induced Backgrounds in the LUX Dark Matter Detector

The Large Underground Xenon (LUX) dark matter experiment aims to detect rare low-energy interactions from Weakly Interacting Massive Particles (WIMPs). The radiogenic backgrounds in the LUX detector have been measured and compared with…

Instrumentation and Methods for Astrophysics · Physics 2014-08-25 D. S. Akerib , H. M. Araujo , X. Bai , A. J. Bailey , J. Balajthy , E. Bernard , A. Bernstein , A. Bradley , D. Byram , S. B. Cahn , M. C. Carmona-Benitez , C. Chan , J. J. Chapman , A. A. Chiller , C. Chiller , T. Coffey , A. Currie , L. de Viveiros , A. Dobi , J. Dobson , E. Druszkiewicz , B. Edwards , C. H. Faham , S. Fiorucci , C. Flores , R. J. Gaitskell , V. M. Gehman , C. Ghag , K. R. Gibson , M. G. D. Gilchriese , C. Hall , S. A. Hertel , M. Horn , D. Q. Huang , M. Ihm , R. G. Jacobsen , K. Kazkaz , R. Knoche , N. A. Larsen , C. Lee , A. Lindote , M. I. Lopes , D. C. Malling , R. Mannino , D. N. McKinsey , D. -M. Mei , J. Mock , M. Moongweluwan , J. Morad , A. St. J. Murphy , C. Nehrkorn , H. Nelson , F. Neves , R. A. Ott , M. Pangilinan , P. D. Parker , E. K. Pease , K. Pech , P. Phelps , L. Reichhart , T. Shutt , C. Silva , V. N. Solovov , P. Sorensen , K. O'Sullivan , T. J. Sumner , M. Szydagis , D. Taylor , B. Tennyson , D. R. Tiedt , M. Tripathi , S. Uvarov , J. R. Verbus , N. Walsh , R. Webb , J. T. White , M. S. Witherell , F. L. H. Wolfs , M. Woods , C. Zhang

Potential for definitive discovery of a 70 GeV dark matter WIMP with only second-order gauge couplings

As astronomical observations and their interpretation improve, the case for cold dark matter (CDM) becomes increasingly persuasive. A particularly appealing version of CDM is a weakly interacting massive particle (WIMP) with a mass near the…

High Energy Physics - Phenomenology · Physics 2022-10-28 Bailey Tallman , Alexandra Boone , Adhithya Vijayakumar , Fiona Lopez , Samuel Apata , Jehu Martinez , Roland Allen

Event categories in the EDELWEISS WIMP search experiment

Four categories of events have been identified in the EDELWEISS-I dark matter experiment using germanium cryogenic detectors measuring simultaneously charge and heat signals. These categories of events are interpreted as electron and…

Astrophysics · Physics 2008-11-26 A. Benoit , L. Berge , A. Broniatowski , B. Chambon , M. Chapellier , G. Chardin , P. Charvin , M. De Jesus , P. Di Stefano , D. Drain , L. Dumoulin , P. Garoche , J. Gascon , C. Goldbach , M. Gros , A. Juillard , A. de Lesquen , D. L'Hote , L. Mallet , J. Mangin , S. Marnieros , N. Mirabolfathi , L. Miramonti , L. Mosca , X-F. Navick , G. Nollez , P. Pari , S. Pecourt , E. Simon , M. Stern , J-P. Torre

Background Rejection in the DMTPC Dark Matter Search Using Charge Signals

The Dark Matter Time Projection Chamber (DMTPC) collaboration is developing low-pressure gas TPC detectors for measuring WIMP-nucleon interactions. Optical readout with CCD cameras allows for the detection for the daily modulation in the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 J. P. Lopez , S. Ahlen , J. Battat , T. Caldwell , M. Chernicoff , C. Deaconu , D. Dujmic , A. Dushkin , W. Fedus , P. Fisher , F. Golub , S. Henderson , A. Inglis , A. Kaboth , G. Kohse , L. Kirsch , R. Lanza , A. Lee , J. Monroe , H. Ouyang , T. Sahin , G. Sciolla , N. Skvorodnev , H. Tomita , H. Wellenstein , I. Wolfe , R. Yamamoto , H. Yegoryan

Prospects for direct dark matter detection in the Constrained MSSM

We outline the WIMP dark matter parameter space in the Constrained MSSM by performing a comprehensive statistical analysis that compares with experimental data predicted superpartner masses and other collider observables as well as a cold…

Astrophysics · Physics 2008-11-26 Roberto Trotta , Roberto Ruiz de Austri , Leszek Roszkowski

DarkSide-50 532-day Dark Matter Search with Low-Radioactivity Argon

The DarkSide-50 direct-detection dark matter experiment is a dual-phase argon time projection chamber operating at Laboratori Nazionali del Gran Sasso. This paper reports on the blind analysis of a (16,660+-270) kg d exposure using a target…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-21 The DarkSide Collaboration , P. Agnes , I. F. M. Albuquerque , T. Alexander , A. K. Alton , G. R. Araujo , M. Ave , H. O. Back , B. Baldin , G. Batignani , K. Biery , V. Bocci , G. Bonfini , W. Bonivento , B. Bottino , F. Budano , S. Bussino , M. Cadeddu , M. Cadoni , F. Calaprice , A. Caminata , N. Canci , A. Candela , M. Caravati , M. Cariello , M. Carlini , M. Carpinelli , S. Catalanotti , V. Cataudella , P. Cavalcante , S. Cavuoti , A. Chepurnov , C. Cicalò , A. G. Cocco , G. Covone , D. D'Angelo , M. D'Incecco , D. D'Urso , S. Davini , A. De Candia , S. De Cecco , M. De Deo , G. De Filippis , G. De Rosa , M. De Vincenzi , A. V. Derbin , A. Devoto , F. Di Eusanio , G. Di Pietro , C. Dionisi , M. Downing , E. Edkins , A. Empl , A. Fan , G. Fiorillo , R. S. Fitzpatrick , K. Fomenko , D. Franco , F. Gabriele , C. Galbiati , C. Ghiano , S. Giagu , C. Giganti , G. K. Giovanetti , O. Gorchakov , A. M. Goretti , F. Granato , M. Gromov , M. Guan , Y. Guardincerri , M. Gulino , B. R. Hackett , K. Herner , B. Hosseini , D. Hughes , P. Humble , E. V. Hungerford , An. Ianni , V. Ippolito , I. James , T. N. Johnson , K. Keeter , C. L. Kendziora , I. Kochanek , G. Koh , D. Korablev , G. Korga , A. Kubankin , M. Kuss , M. La Commara , M. Lai , X. Li , M. Lissia , G. Longo , Y. Ma , A. A. Machado , I. N. Machulin , A. Mandarano , L. Mapelli , S. M. Mari , J. Maricic , C. J. Martoff , A. Messina , P. D. Meyers , R. Milincic , A. Monte , M. Morrocchi , B. J. Mount , V. N. Muratova , P. Musico , A. Navrer Agasson , A. O. Nozdrina , A. Oleinik , M. Orsini , F. Ortica , L. Pagani , M. Pallavicini , L. Pandola , E. Pantic , E. Paoloni , K. Pelczar , N. Pelliccia , A. Pocar , S. Pordes , S. S. Poudel , D. A. Pugachev , H. Qian , F. Ragusa , M. Razeti , A. Razeto , B. Reinhold , A. L. Renshaw , M. Rescigno , Q. Riffard , A. Romani , B. Rossi , N. Rossi , D. Sablone , O. Samoylov , W. Sands , S. Sanfilippo , C. Savarese , B. Schlitzer , E. Segreto , D. A. Semenov , A. Shchagin , A. Sheshukov , P. N. Singh , M. D. Skorokhvatov , O. Smirnov , A. Sotnikov , C. Stanford , S. Stracka , Y. Suvorov , R. Tartaglia , G. Testera , A. Tonazzo , P. Trinchese , E. V. Unzhakov , M. Verducci , A. Vishneva , B. Vogelaar , M. Wada , T. J. Waldrop , H. Wang , Y. Wang , A. W. Watson , S. Westerdale , M. M. Wojcik , X. Xiang , X. Xiao , C. Yang , Z. Ye , C. Zhu , G. Zuzel

Dark Matter Results From 54-Ton-Day Exposure of PandaX-II Experiment

We report a new search of weakly interacting massive particles (WIMPs) using the combined low background data sets in 2016 and 2017 from the PandaX-II experiment in China. The latest data set contains a new exposure of 77.1 live day, with…

Cosmology and Nongalactic Astrophysics · Physics 2017-11-08 II Collaboration , Xiangyi Cui , Abdusalam Abdukerim , Wei Chen , Xun Chen , Yunhua Chen , Binbin Dong , Deqing Fang , Changbo Fu , Karl Giboni , Franco Giuliani , Linhui Gu , Yikun Gu , Xuyuan Guo , Zhifan Guo , Ke Han , Changda He , Di Huang , Shengming He , Xingtao Huang , Zhou Huang , Xiangdong Ji , Yonglin Ju , Shaoli Li , Yao Li , Heng Lin , Huaxuan Liu , Jianglai Liu , Yugang Ma , Yajun Mao , Kaixiang Ni , Jinhua Ning , Xiangxiang Ren , Fang Shi , Andi Tan , Cheng Wang , Hongwei Wang , Meng Wang , Qiuhong Wang , Siguang Wang , Xiuli Wang , Xuming Wang , Qinyu Wu , Shiyong Wu , Mengjiao Xiao , Pengwei Xie , Binbin Yan , Yong Yang , Jianfeng Yue , Dan Zhang , Hongguang Zhang , Tao Zhang , Tianqi Zhang , Li Zhao , Jifang Zhou , Ning Zhou , Xiaopeng Zhou

Improved limits on solar axions and bosonic dark matter from the CDEX-1B experiment using the profile likelihood ratio method

We present the improved constraints on couplings of solar axions and more generic bosonic dark matter particles using 737.1 kg-days of data from the CDEX-1B experiment. The CDEX-1B experiment, located at the China Jinping Underground…

High Energy Physics - Experiment · Physics 2021-04-27 Y. Wang , Q. Yue , S. K. Liu , K. J. Kang , Y. J. Li , H. P. An , J. P. Chang , J. H. Chen , Y. H. Chen , J. P. Cheng , W. H. Dai , Z. Deng , X. P. Geng , H. Gong , P. Gu , X. Y. Guo , H. T. He , L. He , S. M. He , J. W. Hu , H. X. Huang , T. C. Huang , L. P. Jia , H. B. Li , H. Li , M. X. Li , J. M. Li , J. Li , X. Li , X. Q. Li , Y. L. Li , B. Liao , F. K. Lin , S. T. Lin , Y. D. Liu , Y. Y. Liu , Z. Z. Liu , H. Ma , Q. Y. Nie , J. H. Ning , H. Pan , N. C. Qi , C. K. Qiao , J. Ren , X. C. Ruan , V. Sharma , Z. She , L. Singh , M. K. Singh , T. X. Sun , C. J. Tang , W. Y. Tang , Y. Tian , G. F. Wang , L. Wang , Q. Wang , Z. Wang , H. T. Wong , S. Y. Wu , Y. C. Wu , H. Y. Xing , Y. Xu , T. Xue , Y. L. Yan , L. T. Yang , N. Yi , C. X. Yu , H. J. Yu , J. F. Yue , X. H. Zeng , M. Zeng , Z. Zeng , B. T. Zhang , F. S. Zhang , L. Zhang , Z. Y. Zhang , M. G. Zhao , J. F. Zhou , Z. Y. Zhou , J. J. Zhu

Lowering the Threshold in the DAMA Dark Matter Search

The DAMA experiment searches for Weakly Interacting Massive Particle (WIMP) dark matter via its expected but rare interactions within the detector, where the interaction rates will modulate throughout the year due to the orbital motion of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Chris Kelso , Pearl Sandick , Christopher Savage

Limits on WIMP Dark Matter

The current state searches for dark matter in the form of Weakly Interacting Massive Particles (WIMPs) using both direct and indirect techniques is reviewed. Advances in recent years by various direct search experiments, utilising…

Astrophysics · Physics 2007-05-23 N. J. C. Spooner , V. A. Kudryavtsev