| Title: |
Combined dark matter searches towards dwarf spheroidal galaxies with Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS |
| Authors: |
Abdalla, Hassan; Aharonian, Felix; Miener, Tjark; Kundu, Anu; Lamanna, Giovanni; Le Stum, Sébastien; Lemiere, Anne; Lemoine-Goumard, Marianne; Lenain, Jean-Philippe; Leuschner, Fabian; Levy, Christelle; Lohse, Thomas; Luashvili, Anna; Ashkar, Halim; Lypova, Iryna; Mackey, Jonathan; Majumdar, Jhilik; Malyshev, Denys; MALYSHEV, Dmitry; Marchegiani, Paolo; Marcowith, Alexandre; Mares, Arnaud; Marti'i-Devesa, Guillem; Marx, Ramin; Backes, Michael; Maurin, Gilles; Meintjes, Pieter; Meyer, Manuel; Mitchell, Alison; Moderski, Rafal; Mohrmann, Lars; Montanari, Alessandro; Moore, Chris; Morris, Paul; Moulin, Emmanuel; Oakes, Louise; Muller, Jacques; Murach, Thomas; Nakashima, Kaori; Ndiyavala, Hambeleleni; Niemiec, Jacek; Noel, Angel; O'Brien, Paul; Oberholzer, Laenita Lorraine; Ohm, Stefan; Barbosa Martins, Victor; Ostrowski, Michal; Panny, Sebastian; Panter, Michael; Parsons, Dan; Peron, Giada; Pita, Santiago; Poireau, Vincent; Prokhorov, Dmitry; Prokoph, Heike; Barnacka, Anna; PUEHLHOFER, Gerd; Punch, Michael; Quirrenbach, Andreas; Reichherzer, Patrick; Reimer, Anita; Reimer, Olaf; Remy, Quentin; Renaud, Matthieu; Reville, Brian; Rieger, Frank; Barnard, Monica; Romoli, Carlo; Rowell, Gavin; Rudak, Bronislaw; Rueda Ricarte, Hector; Ruiz Velasco, Edna; Sahakian, Vardan; Sailer, Simon; Salzmann, Heiko; Sanchez, David; Santangelo, Andrea; Rico, Javier; Sasaki, Manami; Schaefer, Johannes; Schutte, Hester; Schwanke, Ullrich; Schüssler, Fabian; Senniappan, Mohanraj; Seyffert, Albert; Shapopi, Jimmy N. S.; Shiningayamwe, Kleopas; Simoni, Rachel; Batzofin, Rowan; Sinha, Atreyee; Sol, Helene; Spackman, Hugh; Specovius, Andreas; Spencer, Samuel Timothy; Spir-Jacob, Marion; Stawarz, Lukasz; Steenkamp, Riaan; Stegmann, Christian; Steinmassl, Simon; Rinchiuso, Lucia; Steppa, Constantin; Sun, Lei; Takahashi, Tadayuki; Tanaka, Takaaki; Tavernier, Thomas; Taylor, Andrew; Terrier, Regis; Thiersen, Hannes; Thorpe-Morgan, Charles; Tluczykont, Martin; Charles, Eric; Becherini, Yvonne; Tomankova, Lenka; Tsirou, Michelle; Tsuji, Naomi; Tuffs, Richard; Uchiyama, Yasunobu; van der Walt, Johann; van Eldik, Christopher; van Rensburg, Carlo; van Soelen, Brian; Vasileiadis, George; Salazar-Gallegos, Daniel; Veh, Johannes; Venter, Christo; Vincent, Pascal; Vink, Jacco; Völk, Heinrich J.; Wagner, Stefan; Watson, Jason John; White, Richard; Wierzcholska, Alicja; Wong, Yu Wun; Berge, David; Yassin, Hend; Yusafzai, Anke; Zacharias, Michael; Zanin, Roberta; Zargaryan, Davit; Zdziarski, Andrzej; Zech, Andreas; Zhu, Sylvia; Zmija, Andreas; Zouari, Samuel; Bernloehr, Konrad; Zywucka, Natalia; Abeysekara, Anushka Udara; Albert, Andrea; Alfaro, Ruben; Alvarez, César; Álvarez Romero, Juan de Dios; Angeles Camacho, José Roberto; Arteaga Velazquez, Juan Carlos; Kollamparambil, Arun Babu; Avila Rojas, Daniel Omar; Zitzer, Benjamin; Ayala Solares, Hugo Alberto; Babu, Rishi; Baghmanyan, Vardan; Barber, Ahron S.; Becerra González, Josefa; Belmont-Moreno, Ernesto; BenZvi, Segev; Berley, David; Brisbois, Chad; Caballero Mora, Karen S.; Bi, Baiyang; Capistrán Rojas, Tomás; Carramiñana, Alberto; Casanova, Sabrina; Chaparro-Amaro, Oscar; Cotti, Umberto; Cotzomi, Jorge; Coutiño de Leon, Sara; de la Fuente, Eduardo; de León, Cederik León; Diaz, Lorenzo; Boettcher, Markus; Diaz Hernandez, Raquel; Díaz Vélez, Juan Carlos; Dingus, Brenda; Durocher, Mora; DuVernois, Michael; Ellsworth, Robert; Engel, Kristi; Espinoza Hernández, María Catalina; Fan, Jason; Fang, Ke; Boisson, Catherine; Fernandez Alonso, Mateo; Fick, Brian; Fleischhack, Henrike; Flores, Jorge Luis; Fraija, Nissim Illich; Garcia Aguilar, Diego; Garcia-Gonzalez, Jose Andres; García-Luna, Jose Luis; García-Torales, Guillermo; Garfias, Fernando; Bolmont, Julien; Giacinti, Gwenael; Goksu, Hazal; González, Maria Magdalena; Goodman, Jordan A.; Harding, J. Patrick; Hernández Cadena, Sergio; Herzog, Ian; Hinton, Jim; Huang, Dezhi; Hueyotl-Zahuantitla, Filiberto; Hui, Michelle; Humensky, Brian; Hüntemeyer, Petra; Iriarte, Arturo; Jardin-Blicq, Armelle; Jhee, Hannah; Joshi, Vikas; Kunde, Gerd J.; Kunwar, Samridha; Lara, Alejandro; Ait-Benkhali, Faical; Breuhaus, Mischa; LEE, Jason; Lee, William H.; Lennarz, Dirk; Leon Vargas, Hermes; Linnemann, Jim; Longinotti, Anna Lia; López-Coto, Rubén; Luis-Raya, Gilgamesh; Lundeen, Joe; Malone, Kelly; Brose, Robert; Marandon, Vincent; MARTINEZ, Oscar; Martinez Castellanos, Israel; Martínez Huerta, Humberto; Martínez-Castro, Jesús; Matthews, John; McEnery, Julie; Miranda-Romagnoli, Pedro; Morales Soto, Jorge Antonio; Moreno Barbosa, Eduardo; Brun, Francois; Mostafa, Miguel; Nayerhoda, Amid; Nellen, Lukas; Newbold, Michael; Nisa, Mehr Un; Noriega-Papaqui, Roberto; Olivera-Nieto, Laura; Omodei, Nicola; Peisker, Alison; Pérez Araujo, Yunior; Bulik, Tomasz; Pérez Pérez, Eucario Gonzalo; Rho, Chang Dong; Rivière, Colas; Rosa-Gonzalez, Daniel; Ruiz-Velasco, Edna; Salazar, Humberto Ibarguen; Salesa Greus, Francisco; Sandoval, Andrés; Schneider, Michael; Schoorlemmer, Harm; Bylund, Thomas; Serna-Franco, José; Sinnis, Gus; Smith, Andrew James; Springer, Wayne Robert; Surajbali, Pooja; Taboada, Ignacio; Tanner, Meghan; Tollefson, Kirsten; Torres, Ibrahim; Torres Escobedo, Ramiro; Cangemi, Floriane; Turner, Rhiannon; Ureña-Mena, Fernando; Villaseñor, Luis; Wang, Xiaojie; Watson, Ian James; Weisgarber, Thomas; Werner, Felix; Willox, Elijah; Wood, Joshua; Yodh, Gaurang; Caroff, Sami; Zepeda, Arnulfo; Zhou, Hao; Capasso, Massimo; Ong, Rene; Sadeh, Iftach; Kaaret, Philip; Jin, Weidong; Benbow, Wystan; Mukherjee, Reshmi; Prado, Raul; Catalano, Jaqueline; Lundy, Matthew; Patel, Sameer; Moriarty, Patrick; Maier, Gernot; Furniss, Amy; Ragan, Ken; Williams, David; Buckley, James; Fortson, Lucy; Quinn, John; Chambery, Pauline; Holder, Jamie; Giuri, Chiara; Pueschel, Elisa; Nieto, Daniel; Adams, Colin; O'Brien, Stephan; Ribeiro, Deivid; Pfrang, Konstantin; Gueta, Orel; Foote, Gregory; Chand, Tej Bahadur; Weinstein, Amanda; Kumar, Sajan; Williamson, Tyler; tak, donggeun; McGrath, Conor; Kleiner, Tobias; Pohl, Martin; Reynolds, Paul; Hona, Binita; Hanna, David; di Mauro, Mattia; Chen, Andrew; Santander, Marcos; Sembroski, Glenn; Patel, Sonal Ramesh; Errando, Manel; Kertzman, Mary; Hervet, Olivier; Nievas-Rosillo, Mireia; Lang, Mark; Roache, Emmet; Humensky, Thomas Brian; Cotter, Garret; Shang, Ruo-Yu; Vassiliev, Vladimir; Chromey, Alisha; Falcone, Abe; Christiansen, Jodi; Otte, Adam; Gent, Alasdair E.; Brill, Aryeh; Ryan, James; Farrell, Kayla; Curlo, Malgorzata; Gillanders, Gary; Feng, Qi; Archer, Avery; Kieda, David; Hess Collaboration; HAWC Collaboration; VERITAS Collaboration; MAGIC Collaboration; H. E. S. S. Collaboration; Fermi-LAT Collaboration; Dalgleish, Hannah; Damascene Mbarubucyeye, Jean; Davids, Isak Delberth; Davies, James; Devin, Justine; Djannati-Ataï, Arache; Dmytriiev, Anton; Anguener, Oguzhan; Donath, Axel; Doroshenko, Victor; Dreyer, Lente; Du Plessis, Louis; Duffy, Connor; Egberts, Kathrin; Einecke, Sabrina; ERNENWEIN, Jean-Pierre; Fegan, Steven; Feijen, Kirsty; Arcaro, Cornelia; Fiasson, Armand; Fichet de Clairfontaine, Gaëtan; Fontaine, Gerard; Frans, Lott; Fuessling, Matthias; Funk, Stefan; Gabici, Stefano; Gallant, Yves; Giavitto, Gianluca; Giunti, Luca; Armand, Celine; Glawion, Dorit; Glicenstein, Jean-Francois; Grondin, Marie-Hélène; Hattingh, Sumari; Haupt, Maria; HERMANN, German; Hofmann, Werner; Hoischen, Clemens; Holch, Tim; Holler, Markus; Kerszberg, Daniel; Horns, Dieter; Huang, Zhiqiu; Huber, David; Hörbe, Mario; Jamrozy, Marek; Jankowsky, Felix; JUNG, Ira; Kasai, Eli; Katarzynski, Krzysztof; Katz, Ulì; Armstrong, Tom; Khangulyan, Dmitry; Khelifi, Bruno; Klepser, Stefan; Kluzniak, Wlodek; Komin, Nukri; Konno, Ruslan; Kosack, Karl; Kostunin, Dmitriy; Kreter, Michael; Kukec Mezek, Gašper |
| Contributors: |
Naurois , Mathieu; Ona-Wilhelmi , Emma; Bony , Mathieu |
| Source: |
Proceedings of Science / International School for Advanced Studies (ICRC2021), 528 (2021). doi:10.3204/PUBDB-2021-05400 ; 37th International Cosmic Ray Conference, Berlin, Germany, ICRC 2021, Berlin, online, Germany, 2021-07-12 - 2021-07-23 |
| Publisher Information: |
SISSA |
| Publication Year: |
2021 |
| Collection: |
DESY Publication Database (PUBDB) |
| Subject Terms: |
info:eu-repo/classification/ddc/530; talk: Berlin 2021/07/15; dark matter: direct detection; energy: high; WIMP: annihilation; dark matter: annihilation; WIMP: dark matter; dark matter: signature; MAGIC; HAWC; galaxy; GLAST; VERITAS; HESS; sensitivity; background; channel cross section: upper limit; mass dependence; data analysis method; experimental results |
| Subject Geographic: |
DE |
| Description: |
Cosmological and astrophysical observations suggest that 85\% of the total matter of the Universe is made of Dark Matter (DM). However, its nature remains one of the most challenging and fundamental open questions of particle physics. Assuming particle DM, this exotic form of matter cannot consist of Standard Model (SM) particles. Many models have been developed to attempt unraveling the nature of DM such as Weakly Interacting Massive Particles (WIMPs), the most favored particle candidates. WIMP annihilations and decay could produce SM particles which in turn hadronize and decay to give SM secondaries such as high energy $\gamma$ rays. In the framework of indirect DM search, observations of promising targets are used to search for signatures of DM annihilation. Among these, the dwarf spheroidal galaxies (dSphs) are commonly favored owing to their expected high DM content and negligible astrophysical background. In this work, we present the very first combination of 20 dSph observations, performed by the Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS collaborations in order to maximize the sensitivity of DM searches and improve the current results. We use a joint maximum likelihood approach combining each experiment's individual analysis to derive more constraining upper limits on the WIMP DM self-annihilation cross-section as a function of DM particle mass. We present new DM constraints over the widest mass range ever reported, extending from 5 GeV to 100 TeV thanks to the combination of these five different $\gamma$-ray instruments. |
| Document Type: |
conference object |
| Language: |
English |
| ISSN: |
1824-8039 |
| Relation: |
info:eu-repo/semantics/altIdentifier/arxiv/arXiv:2108.13646; info:eu-repo/semantics/altIdentifier/issn/1824-8039 |
| Availability: |
https://bib-pubdb1.desy.de/record/473015; https://bib-pubdb1.desy.de/search?p=id:%22PUBDB-2021-05400%22 |
| Rights: |
info:eu-repo/semantics/openAccess |
| Accession Number: |
edsbas.638DC7D9 |
| Database: |
BASE |