Search for Gamma-Ray Spectral Lines from Dark Matter Annihilation up to 100 TeV toward the Galactic Center with MAGIC

DOI: 
10.1103/PhysRevLett.130.061002
Publication date: 
15/02/2023
Main author: 
Abe, H.
IAA authors: 
Bernardos, M.
Authors: 
Abe, H.;Abe, S.;Acciari, V. A.;Aniello, T.;Ansoldi, S.;Antonelli, L. A.;Arbet Engels, A.;Arcaro, C.;Artero, M.;Asano, K.;Baack, D.;Babić, A.;Baquero, A.;Barres de Almeida, U.;Barrio, J. A.;Batković, I.;Baxter, J.;Becerra González, J.;Bednarek, W.;Bernardini, E.;Bernardos, M.;Berti, A.;Besenrieder, J.;Bhattacharyya, W.;Bigongiari, C.;Biland, A.;Blanch, O.;Bonnoli, G.;Bošnjak, Ž.;Burelli, I.;Busetto, G.;Carosi, R.;Carretero-Castrillo, M.;Ceribella, G.;Chai, Y.;Chilingarian, A.;Cikota, S.;Colombo, E.;Contreras, J. L.;Cortina, J.;Covino, S.;D'Amico, G.;D'Elia, V.;da Vela, P.;Dazzi, F.;de Angelis, A.;de Lotto, B.;Del Popolo, A.;Delfino, M.;Delgado, J.;Delgado Mendez, C.;Depaoli, D.;di Pierro, F.;di Venere, L.;Do Souto Espiñeira, E.;Dominis Prester, D.;Donini, A.;Dorner, D.;Doro, M.;Elsaesser, D.;Emery, G.;Fallah Ramazani, V.;Fariña, L.;Fattorini, A.;Font, L.;Fruck, C.;Fukami, S.;Fukazawa, Y.;García López, R. J.;Garczarczyk, M.;Gasparyan, S.;Gaug, M.;Giesbrecht Paiva, J. G.;Giglietto, N.;Giordano, F.;Gliwny, P.;Godinović, N.;Green, J. G.;Green, D.;Hadasch, D.;Hahn, A.;Hassan, T.;Heckmann, L.;Herrera, J.;Hrupec, D.;Hütten, M.;Imazawa, R.;Inada, T.;Iotov, R.;Ishio, K.;Jiménez Martínez, I.;Jormanainen, J.;Kerszberg, D.;Kobayashi, Y.;Kubo, H.;Kushida, J.;Lamastra, A.;Lelas, D.;Leone, F.;Lindfors, E.;Linhoff, L.;Lombardi, S.;Longo, F.;López-Coto, R.;López-Moya, M.;López-Oramas, A.;Loporchio, S.;Lorini, A.;Lyard, E.;Machado de Oliveira Fraga, B.;Majumdar, P.;Makariev, M.;Maneva, G.;Mang, N.;Manganaro, M.;Mangano, S.;Mannheim, K.;Mariotti, M.;Martínez, M.;Mas Aguilar, A.;Mazin, D.;Menchiari, S.;Mender, S.;Mićanović, S.;Miceli, D.;Miener, T.;Miranda, J. M.;Mirzoyan, R.;Molina, E.;Mondal, H. A.;Moralejo, A.;Morcuende, D.;Moreno, V.;Nakamori, T.;Nanci, C.;Nava, L.;Neustroev, V.;Nievas Rosillo, M.;Nigro, C.;Nilsson, K.;Nishijima, K.;Njoh Ekoume, T.;Noda, K.;Nozaki, S.;Ohtani, Y.;Oka, T.;Otero-Santos, J.;Paiano, S.;Palatiello, M.;Paneque, D.;Paoletti, R.;Paredes, J. M.;Pavletić, L.;Persic, M.;Pihet, M.;Podobnik, F.;Prada Moroni, P. G.;Prandini, E.;Principe, G.;Priyadarshi, C.;Puljak, I.;Rhode, W.;Ribó, M.;Rico, J.;Righi, C.;Rugliancich, A.;Sahakyan, N.;Saito, T.;Sakurai, S.;Satalecka, K.;Saturni, F. G.;Schleicher, B.;Schmidt, K.;Schmuckermaier, F.;Schubert, J. L.;Schweizer, T.;Sitarek, J.;Sliusar, V.;Sobczynska, D.;Spolon, A.;Stamerra, A.;Strišković, J.;Strom, D.;Strzys, M.;Suda, Y.;Surić, T.;Takahashi, M.;Takeishi, R.;Tavecchio, F.;Temnikov, P.;Terauchi, K.;Terzić, T.;Teshima, M.;Tosti, L.;Truzzi, S.;Tutone, A.;Ubach, S.;van Scherpenberg, J.;Vazquez Acosta, M.;Ventura, S.;Verguilov, V.;Viale, I.;Vigorito, C. F.;Vitale, V.;Vovk, I.;Walter, R.;Will, M.;Wunderlich, C.;Yamamoto, T.;Zarić, D.;Hiroshima, N.;Kohri, K.;MAGIC Collaboration
Journal: 
Physical Review Letters
Publication type: 
Article
Volume: 
130
Pages: 
061002
Abstract: 
Linelike features in TeV γ rays constitute a "smoking gun" for TeV-scale particle dark matter and new physics. Probing the Galactic Center region with ground-based Cherenkov telescopes enables the search for TeV spectral features in immediate association with a dense dark matter reservoir at a sensitivity out of reach for satellite γ -ray detectors, and direct detection and collider experiments. We report on 223 hours of observations of the Galactic Center region with the MAGIC stereoscopic telescope system reaching γ -ray energies up to 100 TeV. We improved the sensitivity to spectral lines at high energies using large-zenith-angle observations and a novel background modeling method within a maximum-likelihood analysis in the energy domain. No linelike spectral feature is found in our analysis. Therefore, we constrain the cross section for dark matter annihilation into two photons to ⟨σ v ⟩≲5 ×10<SUP>-28</SUP> cm<SUP>3</SUP> s<SUP>-1</SUP> at 1 TeV and ⟨σ v ⟩≲1 ×10<SUP>-25</SUP> cm<SUP>3</SUP> s<SUP>-1</SUP> at 100 TeV, achieving the best limits to date for a dark matter mass above 20 TeV and a cuspy dark matter profile at the Galactic Center. Finally, we use the derived limits for both cuspy and cored dark matter profiles to constrain supersymmetric wino models.
Database: 
ADS
SCOPUS
URL: 
https://ui.adsabs.harvard.edu/#abs/2023PhRvL.130f1002A/abstract
ADS Bibcode: 
2023PhRvL.130f1002A