Search for a Dark Matter-Induced Annual Modulation Signal in NaI(Tl) with the COSINE-100 Experiment.

Adhikari, G; Adhikari, P; de Souza, E Barbosa; Carlin, N; Choi, S; Djamal, M; Ezeribe, A C; Ha, C; Hahn, I S; Jeon, E J; Jo, J H; Joo, H W; Kang, W G; Kang, W; Kauer, M; Kim, G S; Kim, H; Kim, H J; Kim, K W; Kim, N Y; Kim, S K; Kim, Y D; Kim, Y H; Ko, Y J; Kudryavtsev, V A; Lee, H S; Lee, J; Lee, J Y; Lee, M H; Leonard, D S; Lynch, W A; Maruyama, R H; Mouton, F; Olsen, S L; Park, B J; Park, H K; Park, H S; Park, K S; Pitta, R L C; Prihtiadi, H; Ra, S J; Rott, C; Shin, K A; Scarff, A; Spooner, N J C; Thompson, W G; Yang, L; Yu, G H

Adhikari, G; Adhikari, P; de Souza, E Barbosa; Carlin, N; Choi, S; Djamal, M; Ezeribe, A C; Ha, C; Hahn, I S; Jeon, E J; Jo, J H; Joo, H W; Kang, W G; Kang, W; Kauer, M; Kim, G S; Kim, H; Kim, H J; Kim, K W; Kim, N Y; Kim, S K; Kim, Y D; Kim, Y H; Ko, Y J; Kudryavtsev, V A; Lee, H S; Lee, J; Lee, J Y; Lee, M H; Leonard, D S; Lynch, W A; Maruyama, R H; Mouton, F; Olsen, S L; Park, B J; Park, H K; Park, H S; Park, K S; Pitta, R L C; Prihtiadi, H; Ra, S J; Rott, C; Shin, K A; Scarff, A; Spooner, N J C; Thompson, W G; Yang, L; Yu, G H.

Afiliação

Adhikari G; Department of Physics, Sejong University, Seoul 05006, Republic of Korea.
Adhikari P; Department of Physics, Sejong University, Seoul 05006, Republic of Korea.
de Souza EB; Department of Physics and Wright Laboratory, Yale University, New Haven, Connecticut 06520, USA.
Carlin N; Physics Institute, University of São Paulo, 05508-090, São Paulo, Brazil.
Choi S; Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea.
Djamal M; Department of Physics, Bandung Institute of Technology, Bandung 40132, Indonesia.
Ezeribe AC; Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, United Kingdom.
Ha C; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Hahn IS; Department of Science Education, Ewha Womans University, Seoul 03760, Republic of Korea.
Jeon EJ; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Jo JH; Department of Physics and Wright Laboratory, Yale University, New Haven, Connecticut 06520, USA.
Joo HW; Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea.
Kang WG; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Kang W; Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea.
Kauer M; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
Kim GS; Department of Physics, Kyungpook National University, Daegu 41566, Republic of Korea.
Kim H; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Kim HJ; Department of Physics, Kyungpook National University, Daegu 41566, Republic of Korea.
Kim KW; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Kim NY; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Kim SK; Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea.
Kim YD; Department of Physics, Sejong University, Seoul 05006, Republic of Korea.
Kim YH; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Ko YJ; IBS School, University of Science and Technology (UST), Daejeon 34113, Republic of Korea.
Kudryavtsev VA; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Lee HS; IBS School, University of Science and Technology (UST), Daejeon 34113, Republic of Korea.
Lee J; Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea.
Lee JY; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Lee MH; Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, United Kingdom.
Leonard DS; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Lynch WA; IBS School, University of Science and Technology (UST), Daejeon 34113, Republic of Korea.
Maruyama RH; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Mouton F; Department of Physics, Kyungpook National University, Daegu 41566, Republic of Korea.
Olsen SL; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Park BJ; IBS School, University of Science and Technology (UST), Daejeon 34113, Republic of Korea.
Park HK; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Park HS; Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, United Kingdom.
Park KS; Department of Physics and Wright Laboratory, Yale University, New Haven, Connecticut 06520, USA.
Pitta RLC; Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, United Kingdom.
Prihtiadi H; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Ra SJ; IBS School, University of Science and Technology (UST), Daejeon 34113, Republic of Korea.
Rott C; Department of Accelerator Science, Korea University, Sejong 30019, Republic of Korea.
Shin KA; Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea.
Scarff A; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Spooner NJC; Physics Institute, University of São Paulo, 05508-090, São Paulo, Brazil.
Thompson WG; Department of Physics, Bandung Institute of Technology, Bandung 40132, Indonesia.
Yang L; Center for Underground Physics, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea.
Yu GH; Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea.

Phys Rev Lett ; 123(3): 031302, 2019 Jul 19.

Article em En | MEDLINE | ID: mdl-31386435

ABSTRACT

ABSTRACT

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 yr. The COSINE-100 experiment, consisting of 106 kg of NaI(Tl) target material, is designed to carry out a model-independent test of DAMA/LIBRA's claim of WIMP discovery by searching for the same annual modulation signal using the same NaI(Tl) target. The crystal data show a 2.7 cpd/kg/keV background rate on average in the 2-6 keV energy region of interest. Using a χ-squared minimization method we observe best fit values for modulation amplitude and phase of 0.0092±0.0067 cpd/kg/keV and 127.2±45.9 d, respectively.

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Texto completo: 1 Bases de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2019 Tipo de documento: Article