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We report new constraints on the spin-dependent scattering cross section between low-mass dark matter and protons using data collected by the COSINE-100 experiment. By implementing a specialized event selection process using a multi-layer…

We present new constraints on the dark matter-induced annual modulation signal using 1.7 years, of COSINE-100 data with a total exposure of 97.7 kg$\cdot$years. The COSINE-100 experiment, consisting of 106 kg of NaI(Tl) target material, is…

We present new constraints on dark matter interactions using 1.7 years of COSINE-100 data. The COSINE-100 experiment, consisting of 106 kg of tallium-doped sodium iodide (NaI(Tl)) target material, is aimed at testing DAMA's claim of dark…

We present new observational constraints on the elastic scattering of dark matter with electrons for dark matter masses between 10 keV and 1 TeV. We consider scenarios in which the momentum-transfer cross section has a power-law dependence…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-01 David Nguyen , Dimple Sarnaaik , Kimberly K. Boddy , Ethan O. Nadler , Vera Gluscevic

We search for energetic electron recoil signals induced by boosted dark matter (BDM) from the galactic center using the COSINE-100 array of NaI(Tl) crystal detectors at the Yangyang Underground Laboratory. The signal would be an excess of…

We calculate the scattering rate of sub-GeV dark matter in solid-state targets for spin-dependent dark matter -- nucleon interactions. For dark matter particles with mass below 100 MeV, the scattering occurs predominantly through incoherent…

High Energy Physics - Phenomenology · Physics 2025-06-16 Stefania Gori , Simon Knapen , Tongyan Lin , Pankaj Munbodh , Bethany Suter

COSINE-100 is a direct dark matter search experiment, with the primary goal of testing the annual modulation signal observed by DAMA/LIBRA, using the same target material, NaI(Tl). In previous analyses, we achieved the same 1 keV energy…

We study in detail sub-GeV dark matter scattering off electrons in xenon, including the expected electron recoil spectra and annual modulation spectra. We derive improved constraints using low-energy XENON10 and XENON100 ionization-only…

High Energy Physics - Phenomenology · Physics 2017-09-06 Rouven Essig , Tomer Volansky , Tien-Tien Yu

We present improved germanium-based constraints on sub-GeV dark matter via dark matter--electron ($\chi$-$e$) scattering using the 205.4 kg$\cdot$day dataset from the CDEX-10 experiment. Using a novel calculation technique, we attain…

We report limits on WIMP dark matter derived from three years of data collected by the COSINE-100 experiment with NaI(Tl) crystals, achieving an improved energy threshold of 0.7 keV. This lowered threshold enhances sensitivity in the…

We present a background model for dark matter searches using an array of NaI(Tl) crystals in the COSINE-100 experiment that is located in the Yangyang underground laboratory. The model includes background contributions from both internal…

We report constraints on sub-GeV dark matter particles interacting with electrons from the first underground operation of DAMIC-M detectors. The search is performed with an integrated exposure of 85.23 g days, and exploits the subelectron…

We present results from a search for solar bosonic dark matter using the annual modulation method with the COSINE-100 experiment. The results were interpreted considering three dark sector bosons models: solar dark photon; DFSZ and KSVZ…

We consider direct-detection searches for sub-GeV dark matter via electron scatterings in the presence of large interactions between dark and ordinary matter. Scatterings both on electrons and nuclei in the Earth's crust, atmosphere, and…

High Energy Physics - Phenomenology · Physics 2019-10-09 Timon Emken , Rouven Essig , Chris Kouvaris , Mukul Sholapurkar

We present results of a search for bosonic super-weakly interacting massive particles (BSW) as keV scale dark matter candidates that is based on an exposure of 97.7 kg$\cdot$year from the COSINE experiment. In this search, we employ, for…

We report new results from the Neutrino Elastic Scattering Observation with NaI (NEON) experiment in the search for light dark matter (LDM) using 2,636 kg$\cdot$days of NaI(Tl) exposure. The experiment employs an array of NaI(Tl) crystals…

High Energy Physics - Experiment · Physics 2024-12-30 J. J. Choi , C. Ha , E. J. Jeon , J. Y. Kim , K. W. Kim , S. H. Kim , S. K. Kim , Y. D. Kim , Y. J. Ko , B. C. Koh , S. H. Lee , I. S. Lee , H. Lee , H. S. Lee , J. S. Lee , Y. M. Oh , B. J. Park

The first direct detection limits on dark matter in the MeV to GeV mass range are presented, using XENON10 data. Such light dark matter can scatter with electrons, causing ionization of atoms in a detector target material and leading to…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Rouven Essig , Aaron Manalaysay , Jeremy Mardon , Peter Sorensen , Tomer Volansky

This article presents constraints on dark-matter-electron interactions obtained from the first underground data-taking campaign with multiple SuperCDMS HVeV detectors operated in the same housing. An exposure of 7.63 g-days is used to set…

High Energy Physics - Experiment · Physics 2025-05-26 SuperCDMS Collaboration , M. F. Albakry , I. Alkhatib , D. Alonso-González , D. W. P. Amaral , J. Anczarski , T. Aralis , T. Aramaki , I. J. Arnquist , I. Ataee Langroudy , E. Azadbakht , C. Bathurst , R. Bhattacharyya , A. J. Biffl , P. L. Brink , M. Buchanan , R. Bunker , B. Cabrera , R. Calkins , R. A. Cameron , C. Cartaro , D. G. Cerdeño , Y. -Y. Chang , M. Chaudhuri , J. -H. Chen , R. Chen , N. Chott , J. Cooley , H. Coombes , P. Cushman , R. Cyna , S. Das , F. De Brienne , S. Dharani , M. L. di Vacri , M. D. Diamond , M. Elwan , E. Fascione , E. Figueroa-Feliciano , K. Fouts , M. Fritts , R. Germond , M. Ghaith , S. R. Golwala , J. Hall , S. A. S. Harms , K. Harris , N. Hassan , Z. Hong , E. W. Hoppe , L. Hsu , M. E. Huber , V. Iyer , D. Jardin , V. K. S. Kashyap , S. T. D. Keller , M. H. Kelsey , K. T. Kennard , A. Kubik , N. A. Kurinsky , M. Lee , J. Leyva , J. Liu , Y. Liu , B. Loer , E. Lopez Asamar , P. Lukens , D. B. MacFarlane , R. Mahapatra , J. S. Mammo , N. Mast , A. J. Mayer , H. Meyer zu Theenhausen , É. Michaud , E. Michielin , N. Mirabolfathi , M. Mirzakhani , B. Mohanty , D. Monteiro , J. Nelson , H. Neog , V. Novati , J. L. Orrell , M. D. Osborne , S. M. Oser , L. Pandey , S. Pandey , R. Partridge , D. S. Pedreros , W. Peng , L. Perna , W. L. Perry , R. Podviianiuk , S. S. Poudel , A. Pradeep , M. Pyle , W. Rau , E. Reid , R. Ren , T. Reynolds , M. Rios , A. Roberts , A. E. Robinson , J. L. Ryan , T. Saab , D. Sadek , B. Sadoulet , S. P. Sahoo , I. Saikia , J. Sander , A. Sattari , B. Schmidt , R. W. Schnee , S. Scorza , B. Serfass , A. Simchony , D. J. Sincavage , P. Sinervo , J. Street , H. Sun , E. Tanner , G. D. Terry , D. Toback , S. Verma , A. N. Villano , B. von Krosigk , S. L. Watkins , O. Wen , Z. Williams , M. J. Wilson , J. Winchell , K. Wykoff , S. Yellin , B. A. Young , T. C. Yu , B. Zatschler , S. Zatschler , A. Zaytsev , E. Zhang , L. Zheng , A. Zuniga , M. J. Zurowski

We report on a search for sub-GeV dark matter upscattered via the solar reflection mechanism in the heavy mediator scenario. Under the Standard Halo Model, keV to MeV dark matter produces nuclear recoils with energies below the detection…

High Energy Physics - Experiment · Physics 2025-12-23 XENON Collaboration , E. Aprile , J. Aalbers , K. Abe , M. Adrover , S. Ahmed Maouloud , L. Althueser , B. Andrieu , E. Angelino , D. Ant'on Martin , S. R. Armbruster , F. Arneodo , L. Baudis , M. Bazyk , L. Bellagamba , R. Biondi , A. Bismark , K. Boese , R. M. Braun , G. Bruni , G. Bruno , R. Budnik , C. Cai , C. Capelli , J. M. R. Cardoso , A. P. Cimental Ch'avez , A. P. Colijn , J. Conrad , J. J. Cuenca-García , V. D'Andrea , L. C. Daniel Garcia , M. P. Decowski , A. Deisting , C. Di Donato , P. Di Gangi , S. Diglio , K. Eitel , S. el Morabit , R. Elleboro , A. Elykov , A. D. Ferella , C. Ferrari , H. Fischer , T. Flehmke , M. Flierman , R. Frankel , D. Fuchs , W. Fulgione , C. Fuselli , R. Gaior , F. Gao , R. Giacomobono , F. Girard , R. Glade-Beucke , L. Grandi , J. Grigat , H. Guan , M. Guida , P. Gyorgy , R. Hammann , A. Higuera , C. Hils , L. Hoetzsch , N. F. Hood , M. Iacovacci , Y. Itow , J. Jakob , F. Joerg , Y. Kaminaga , M. Kara , S. Kazama , P. Kharbanda , M. Kobayashi , D. Koke , K. Kooshkjalali , A. Kopec , H. Landsman , R. F. Lang , L. Levinson , I. Li , S. Li , S. Liang , Z. Liang , Y. -T. Lin , S. Lindemann , M. Lindner , K. Liu , M. Liu , J. Loizeau , F. Lombardi , J. A. M. Lopes , G. M. Lucchetti , T. Luce , Y. Ma , C. Macolino , J. Mahlstedt , F. Marignetti , T. Marrod'an Undagoitia , K. Martens , J. Masbou , S. Mastroianni , V. Mazza , A. Melchiorre , J. Merz , M. Messina , A. J. P. Michel , K. Miuchi , A. Molinario , S. Moriyama , K. Morå , M. Murra , J. Müller , K. Ni , C. T. Oba Ishikawa , U. Oberlack , S. Ouahada , B. Paetsch , Y. Pan , Q. Pellegrini , R. Peres , J. Pienaar , M. Pierre , G. Plante , T. R. Pollmann , A. Prajapati , L. Principe , J. Qin , D. Ram'irez Garcia , A. Ravindran , A. Razeto , R. Singh , L. Sanchez , J. M. F. dos Santos , I. Sarnoff , G. Sartorelli , J. Schreiner , P. Schulte , H. Schulze Eißing , M. Schumann , L. Scotto Lavina , M. Selvi , F. Semeria , F. N. Semler , P. Shagin , S. Shi , H. Simgen , Z. Song , A. Stevens , C. Szyszka , A. Takeda , Y. Takeuchi , P. -L. Tan , D. Thers , G. Trinchero , C. D. Tunnell , K. Valerius , S. Vecchi , S. Vetter , G. Volta , C. Weinheimer , M. Weiss , D. Wenz , C. Wittweg , V. H. S. Wu , Y. Xing , D. Xu , Z. Xu , M. Yamashita , J. Yang , L. Yang , J. Ye , M. Yoshida , L. Yuan , G. Zavattini , Y. Zhao , M. Zhong , T. Zhu

We compute the projected sensitivity to dark matter (DM) particles in the sub-GeV mass range of future direct detection experiments using germanium and silicon semiconductor targets. We perform this calculation within the dark photon model…

High Energy Physics - Phenomenology · Physics 2020-06-03 Erik Andersson , Alex Bökmark , Riccardo Catena , Timon Emken , Henrik Klein Moberg , Emil Åstrand
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