Search for Dark Matter Annihilation Signals in the H.E.S.S. Inner Galaxy Survey

H. Abdalla; F. Aharonian; F. Ait Benkhali; E.O. Angüner; C. Armand; H. Ashkar; M. Backes; V. Baghmanyan; V. Barbosa Martins; R. Batzofin; Y. Becherini; D. Berge; K. Bernlöhr; B. Bi; M. Böttcher; J. Bolmont; M. de Bony de Lavergne; R. Brose; F. Brun; F. Cangemi; S. Caroff; M. Cerruti; T. Chand; A. Chen; G. Cotter; J. Damascene Mbarubucyeye; J. Devin; A. Djannati-Ataï; A. Dmytriiev; V. Doroshenko; K. Egberts; A. Fiasson; G. Fichet de Clairfontaine; G. Fontaine; S. Funk; S. Gabici; G. Giavitto; D. Glawion; J.F. Glicenstein; M.-H. Grondin; J.A. Hinton; W. Hofmann; T.L. Holch; M. Holler; D. Horns; Zhiqiu Huang; M. Jamrozy; F. Jankowsky; E. Kasai; K. Katarzynski; U. Katz; B. Khélifi; W. Klúzniak; Nu. Komin; K. Kosack; D. Kostunin; G. Lamanna; M. Lemoine-Goumard; J.-P. Lenain; F. Leuschner; T. Lohse; A. Luashvili; I. Lypova; J. Mackey; D. Malyshev; V. Marandon; P. Marchegiani; G. Martí-Devesa; R. Marx; G. Maurin; M. Meyer; A. Mitchell; R. Moderski; A. Montanari; E. Moulin; J. Muller; M. de Naurois; J. Niemiec; A. Priyana Noel; S. Ohm; L. Olivera-Nieto; E. de Ona Wilhelmi; M. Ostrowski; S. Panny; M. Panter; R.D. Parsons; G. Peron; V. Poireau; H. Prokoph; G. Pühlhofer; M. Punch; A. Quirrenbach; P. Reichherzer; A. Reimer; O. Reimer; M. Renaud; F. Rieger; G. Rowell; B. Rudak; H. Rueda Ricarte; E. Ruiz-Velasco; V. Sahakian; H. Salzmann; A. Santangelo; M. Sasaki; F. Schüssler; H.M. Schutte; U. Schwanke; M. Senniappan; J.N.S. Shapopi; H. Sol; A. Specovius; S. Spencer; L. Stawarz; C. Stegmann; S. Steinmassl; C. Steppa; T. Takahashi; T. Tanaka; R. Terrier; C. Thorpe-Morgan; M. Tluczykont; M. Tsirou; N. Tsuji; Y. Uchiyama; C. van Eldik; J. Veh; J. Vink; S.J. Wagner; R. White; A. Wierzcholska; Yu Wun Wong; M. Zacharias; D. Zargaryan; A.A. Zdziarski; A. Zech; S.J. Zhu; S. Zouari; N. Zywucka

doi:10.1103/PhysRevLett.129.111101

Journal article

Search for Dark Matter Annihilation Signals in the H.E.S.S. Inner Galaxy Survey

H. Abdalla, F. Aharonian, F. Ait Benkhali, E.O. Angüner, C. Armand, H. Ashkar, M. Backes, V. Baghmanyan, V. Barbosa Martins, R. Batzofin, …

Phys.Rev.Lett, Vol.129(11)

2022

DOI: https://doi.org/10.1103/PhysRevLett.129.111101

Abstract

dark matter: mass

dark matter: annihilation

cross section: annihilation

dark matter: density

galaxy

TeV

HESS

Navarro-Frenk-White profile

gamma ray

GeV

Cherenkov counter

signature

VHE

central region

The central region of the Milky Way is one of the foremost locations to look for dark matter (DM) signatures. We report the first results on a search for DM particle annihilation signals using new observations from an unprecedented γ-ray survey of the Galactic Center (GC) region, i.e., the Inner Galaxy Survey, at very high energies (≳100 GeV) performed with the H.E.S.S. array of five ground-based Cherenkov telescopes. No significant γ-ray excess is found in the search region of the 2014–2020 dataset and a profile likelihood ratio analysis is carried out to set exclusion limits on the annihilation cross section ⟨σv⟩. Assuming Einasto and Navarro-Frenk-White (NFW) DM density profiles at the GC, these constraints are the strongest obtained so far in the TeV DM mass range. For the Einasto profile, the constraints reach ⟨σv⟩ values of 3.7×10-26 cm3 s-1 for 1.5 TeV DM mass in the W+W- annihilation channel, and 1.2×10-26 cm3 s-1 for 0.7 TeV DM mass in the τ+τ- annihilation channel. With the H.E.S.S. Inner Galaxy Survey, ground-based γ-ray observations thus probe ⟨σv⟩ values expected from thermal-relic annihilating TeV DM particles.

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Title: Search for Dark Matter Annihilation Signals in the H.E.S.S. Inner Galaxy Survey
Creators - without role: H. Abdalla - University of Namibia
F. Aharonian - Dublin Institute For Advanced Studies
F. Ait Benkhali - Max Planck Institute for Nuclear Physics
E.O. Angüner - Aix-Marseille Université
C. Armand - Laboratoire d’Annecy de Physique des Particules
H. Ashkar - Université Paris-Saclay
M. Backes - University of Namibia
V. Baghmanyan - Institute of Nuclear Physics, Polish Academy of Sciences
V. Barbosa Martins
R. Batzofin - University of the Witwatersrand
Y. Becherini - Linnaeus University
D. Berge
K. Bernlöhr - Max Planck Institute for Nuclear Physics
B. Bi - University of Tübingen
M. Böttcher - North-West University
J. Bolmont - Laboratoire de Physique Nucléaire et de Hautes Énergies
M. de Bony de Lavergne - Université Savoie Mont Blanc
R. Brose - Dublin Institute For Advanced Studies
F. Brun - Université Paris-Saclay
F. Cangemi - Laboratoire de Physique Nucléaire et de Hautes Énergies
S. Caroff - Sorbonne Paris Cité
M. Cerruti - Laboratoire AstroParticule et Cosmologie
T. Chand - North-West University
A. Chen - University of the Witwatersrand
G. Cotter - University of Oxford
J. Damascene Mbarubucyeye
J. Devin - Institut National de Physique Nucléaire et de Physique des Particules
A. Djannati-Ataï - AstroParticule et Cosmologie
A. Dmytriiev - Université Paris Sciences et Lettres
V. Doroshenko - University of Tübingen
K. Egberts - University of Potsdam
A. Fiasson - Laboratoire d’Annecy de Physique des Particules
G. Fichet de Clairfontaine - Laboratoire Univers et Théories
G. Fontaine - Laboratoire Leprince-Ringuet
S. Funk - Friedrich-Alexander-Universität Erlangen-Nürnberg
S. Gabici - Université Paris Cité
G. Giavitto
D. Glawion - Friedrich-Alexander-Universität Erlangen-Nürnberg
J.F. Glicenstein - Université Paris-Saclay
M.-H. Grondin - Institut National de Physique Nucléaire et de Physique des Particules
J.A. Hinton - Max Planck Institute for Nuclear Physics
W. Hofmann - Max Planck Institute for Nuclear Physics
T.L. Holch
M. Holler - Universität Innsbruck
D. Horns - Universität Hamburg
Zhiqiu Huang
M. Jamrozy - Jagiellonian University
F. Jankowsky - Heidelberg University
E. Kasai - University of Namibia
K. Katarzynski - Nicolaus Copernicus University
U. Katz - Friedrich-Alexander-Universität Erlangen-Nürnberg
B. Khélifi - Centre National de la Recherche Scientifique
W. Klúzniak - Nicolaus Copernicus Astronomical Center
Nu. Komin - University of the Witwatersrand
K. Kosack - Institut de Recherche sur les Lois Fondamentales de l'Univers
D. Kostunin
G. Lamanna - Centre National de la Recherche Scientifique
M. Lemoine-Goumard - Institut National de Physique Nucléaire et de Physique des Particules
J.-P. Lenain - Laboratoire de Physique Nucléaire et de Hautes Énergies
F. Leuschner - University of Tübingen
T. Lohse - Humboldt-Universität zu Berlin
A. Luashvili - Laboratoire Univers et Théories
I. Lypova - Heidelberg University
J. Mackey - Dublin Institute For Advanced Studies
D. Malyshev - University of Tübingen
D. Malyshev - University of Tübingen
V. Marandon - Max Planck Institute for Nuclear Physics
P. Marchegiani
G. Martí-Devesa - Universität Innsbruck
R. Marx - Heidelberg University
G. Maurin - Laboratoire d’Annecy de Physique des Particules
M. Meyer - Friedrich-Alexander-Universität Erlangen-Nürnberg
A. Mitchell - Max Planck Institute for Nuclear Physics
R. Moderski - Nicolaus Copernicus Astronomical Center
A. Montanari - Institut de Recherche sur les Lois Fondamentales de l'Univers
E. Moulin - Commissariat à l'Énergie Atomique et aux Énergies Alternatives
J. Muller - École Polytechnique
M. de Naurois - Laboratoire Leprince-Ringuet
J. Niemiec - Institute of Nuclear Physics, Polish Academy of Sciences
A. Priyana Noel - Jagiellonian University
S. Ohm
L. Olivera-Nieto - Max Planck Institute for Nuclear Physics
E. de Ona Wilhelmi
M. Ostrowski - Jagiellonian University
S. Panny - Universität Innsbruck
M. Panter - Max Planck Institute for Nuclear Physics
R.D. Parsons - Humboldt-Universität zu Berlin
G. Peron - Max Planck Institute for Nuclear Physics
V. Poireau - Centre National de la Recherche Scientifique
H. Prokoph
G. Pühlhofer - University of Tübingen
M. Punch - Linnaeus University
A. Quirrenbach - Heidelberg University
P. Reichherzer - Commissariat à l'Énergie Atomique et aux Énergies Alternatives
A. Reimer - Universität Innsbruck
O. Reimer - Universität Innsbruck
M. Renaud - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
F. Rieger - Max Planck Institute for Nuclear Physics
G. Rowell - University of Adelaide
B. Rudak - Nicolaus Copernicus Astronomical Center
H. Rueda Ricarte - Institut de Recherches sur les lois Fondamentales de l'Univers
E. Ruiz-Velasco - Max Planck Institute for Nuclear Physics
V. Sahakian - A. Alikhanyan National Laboratory
H. Salzmann - University of Tübingen
A. Santangelo - University of Tübingen
M. Sasaki - Friedrich-Alexander-Universität Erlangen-Nürnberg
F. Schüssler - Institut de Recherches sur les lois Fondamentales de l'Univers
H.M. Schutte - North-West University
U. Schwanke - Humboldt-Universität zu Berlin
M. Senniappan - Linnaeus University
J.N.S. Shapopi - University of Namibia
H. Sol - Laboratoire Univers et Théories
A. Specovius - Friedrich-Alexander-Universität Erlangen-Nürnberg
S. Spencer - University of Oxford
L. Stawarz
C. Stegmann - University of Potsdam
S. Steinmassl - Max Planck Institute for Nuclear Physics
C. Steppa - University of Potsdam
T. Takahashi - Kavli Institute for the Physics and Mathematics of the Universe
T. Tanaka - Konan University
R. Terrier - Université Paris Cité
C. Thorpe-Morgan - University of Tübingen
M. Tluczykont - Universität Hamburg
M. Tsirou - Max Planck Institute for Nuclear Physics
N. Tsuji - Nippon Soken
Y. Uchiyama - Rikkyo University
C. van Eldik - Friedrich-Alexander-Universität Erlangen-Nürnberg
J. Veh - Friedrich-Alexander-Universität Erlangen-Nürnberg
J. Vink - University of Amsterdam
S.J. Wagner - Heidelberg University
R. White - Max Planck Institute for Nuclear Physics
A. Wierzcholska - Institute of Nuclear Physics, Polish Academy of Sciences
Yu Wun Wong - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. Zacharias - Laboratoire Univers et Théories
D. Zargaryan - Dublin Institute For Advanced Studies
A.A. Zdziarski - Polish Academy of Sciences
A. Zech - Centre National de la Recherche Scientifique
S.J. Zhu
S. Zouari - Université Paris Cité
N. Zywucka - North-West University
Publication Details: Phys.Rev.Lett, Vol.129(11)
Identifiers: 9934293109311
Academic Unit: Laboratoire Univers et Particules de Montpellier - LUPM
Language: English
Resource Type: Journal article
Local Fields: hal-03759770