Search for decaying dark matter in the Virgo cluster of galaxies with HAWC

被引：2

作者：

Albert, A. ^{[1
]}

Alfaro, R. ^{[2
]}

Alvarez, C. ^{[6
]}

Arteaga-Velazquez, J. C. ^{[3
]}

Solares, H. A. Ayala ^{[4
]}

Babu, R. ^{[5
]}

Belmont-Moreno, E. ^{[2
]}

Caballero-Mora, K. S. ^{[6
]}

Capistran, T. ^{[7
]}

Carraminana, A. ^{[8
]}

Casanova, S. ^{[9
]}

Cotzomi, J. ^{[1
,10
]}

de Leon, S. Coutino ^{[11
]}

Depaoli, D. ^{[1
,2
,12
]}

Hernandez, R. Diaz ^{[8
]}

DuVernois, M. A. ^{[11
]}

Durocher, M. ^{[1
]}

Fraija, N. ^{[7
]}

Garcia-Gonzalez, J. A. ^{[13
]}

Gonzalez, M. M. ^{[7
]}

Goodman, J. A. ^{[14
]}

Harding, J. P. ^{[1
]}

Hernandez-Cadena, S. ^{[2
]}

Herzog, I. ^{[15
]}

Huang, D. ^{[14
]}

Hueyotl-Zahuantitla, F. ^{[6
]}

Joshi, V. ^{[16
]}

Kaufmann, S. ^{[17
]}

Vargas, H. Leon ^{[2
]}

Linnemann, J. T. ^{[15
]}

Longinotti, A. L. ^{[7
]}

Luis-Raya, G. ^{[17
]}

Malone, K. ^{[18
]}

Martinez-Castro, J. ^{[19
]}

Matthews, J. A. ^{[20
]}

Miranda-Romagnoli, P. ^{[21
]}

Morales-Soto, J. A. ^{[3
]}

Mostafa, M. ^{[4
]}

Nayerhoda, A. ^{[9
]}

Nellen, L. ^{[22
]}

Nisa, M. U. ^{[15
]}

Noriega-Papaqui, R. ^{[21
,22
]}

Omodei, N. ^{[23
]}

Perez-Perez, E. G. ^{[17
]}

Rho, C. D. ^{[24
]}

Rosa-Gonzalez, D. ^{[8
]}

Schneider, M. ^{[14
,15
]}

Son, Y. ^{[25
]}

Springer, R. W. ^{[26
]}

Tibolla, O. ^{[17
]}

机构：

[1] Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA

[2] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, Mexico

[3] Univ Michoacana, Morelia, Mexico

[4] Penn State Univ, Dept Phys, University Pk, PA USA

[5] Michigan Technol Univ, Dept Phys, Houghton, MI USA

[6] Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico

[7] Univ Nacl Autonoma Mexico, Inst Astron, Mexico City, Mexico

[8] Inst Nacl Astrofis Opt & Electr, Puebla, Mexico

[9] Polskiej Akad Nauk, Polskiej Akademii Nauk, IFJ PAN Krakow, Krakow, Poland

[10] Benemerita Univ Autonoma Puebla, Fac Ciencias Fisico Matemat, Puebla, Mexico

[11] Univ Wisconsin, Dept Phys, Madison, WI USA

[12] Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany

[13] Escuela Ingn & Ciencias, Tecnol Monterrey, Ave Eugenio Garza Sada 2501, Monterrey 64849, NL, Mexico

[14] Univ Maryland, Dept Phys, College Pk, MD USA

[15] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[16] Friedrich Alexander Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, Erlangen, Germany

[17] Univ Politecn Pachuca, Pachuca, Hgo, Mexico

[18] Los Alamos Natl Lab, Space Sci & Applicat Grp, Los Alamos, NM USA

[19] Inst Politecn Nacl, Ctr Invest Comp, Mexico City, Mexico

[20] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM USA

[21] Univ Autonoma Estado Hidalgo, Pachuca, Mexico

[22] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City, Mexico

[23] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[24] Sungkyunkwan Univ, Dept Phys, Suwon, South Korea

[25] Univ Seoul, Seoul, South Korea

[26] Univ Utah, Dept Phys & Astron, Salt Lake City, UT USA

[27] Shanghai Jiao Tong Univ, Shanghai, Peoples R China

来源：

PHYSICAL REVIEW D | 2024年 / 109卷 / 04期

基金：

美国国家科学基金会; 新加坡国家研究基金会;

关键词：

GAMMA-RAY; CRAB-NEBULA; TEV; ANNIHILATION; EMISSION;

D O I：

10.1103/PhysRevD.109.043034

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The decay or annihilation of dark matter particles may produce a steady flux of very -high-energy gamma rays detectable above the diffuse background. Nearby clusters of galaxies provide excellent targets to search for the signatures of particle dark matter interactions. In particular, the Virgo cluster spans several degrees across the sky and can be efficiently probed with a wide field -of -view instrument. The High Altitude Water Cherenkov (HAWC) observatory, due to its wide field of view and sensitivity to gamma rays at an energy scale of 300 GeV-100 TeV is well -suited for this search. Using 2141 days of data, we search for 7 -ray emission from the Virgo cluster, assuming well -motivated dark matter substructure models. Our results provide some of the strongest constraints on the decay lifetime of dark matter for masses above 10 TeV.

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页数：7

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