Constraints on the Galactic Halo Dark Matter from Fermi-LAT Diffuse Measurements

Markus Ackermann; Marco Ajello; W. B. Atwood; Luca Baldini; Guido Barbiellini; D. Bastieri; K. Bechtol; R. Bellazzini; R. D. Blandford; E. D. Bloom; E. Bonamente; A. W. Borgland; E. Bottacini; T. J. Brandt; J. Bregeon; M. Brigida; Pascal Bruel; R. Buehler; S. Buson; G. A. Caliandro; R. A. Cameron; P. A. Caraveo; J. M. Casandjian; C. Cecchi; E. Charles; A. Chekhtman; J. Chiang; S. Ciprini; R. Claus; J. Cohen-Tanugi; J. Conrad; A. Cuoco; S. Cutini; F. d'Ammando; A. de Angelis; F. de Palma; C. D. Dermer; E. Do Couto E Silva; P. S. Drell; A. Drlica-Wagner; L. Falletti; C. Favuzzi; S. J. Fegan; W. B. Focke; Y. Fukazawa; S. Funk; P. Fusco; F. Gargano; D. Gasparrini; S. Germani; N. Giglietto; F. Giordano; M. Giroletti; T. Glanzman; G. Godfrey; I. A. Grenier; S. Guiriec; M. Gustafsson; D. Hadasch; M. Hayashida; D. Horan; R. E. Hughes; M. S. Jackson; T. Jogler; G. Jóhannesson; A. S. Johnson; T. Kamae; Jürgen Knödlseder; M. Kuss; J. Lande; L. Latronico; A. M. Lionetto; M. Llena Garde; F. Longo; F. Loparco; B. Lott; M. N. Lovellette; P. Lubrano; M. N. Mazziotta; J. E. Mcenery; J. Mehault; P. F. Michelson; W. Mitthumsiri; T. Mizuno; A. A. Moiseev; C. Monte; M. E. Monzani; A. Morselli; I. V. Moskalenko; S. Murgia; M. Naumann-Godo; J. P. Norris; E. Nuss; T. Ohsugi; M. Orienti; E. Orlando; J. F. Ormes; D. Paneque; J. H. Panetta; M. Pesce-Rollins; M. Pierbattista; F. Piron; G. Pivato; H. Poon; S. Rainò; R. Rando; M. Razzano; S. Razzaque; A. Reimer; O. Reimer; C. Romoli; C. Sbarra; J. D. Scargle; C. Sgrò; E. J. Siskind; G. Spandre; P. Spinelli; Łukasz Stawarz; A. W. Strong; D. J. Suson; H. Tajima; H. Takahashi; T. Tanaka; J. G. Thayer; J. B. Thayer; L. Tibaldo; M. Tinivella; G. Tosti; E. Troja; T. L. Usher; J. Vandenbroucke; V. Vasileiou; G. Vianello; V. Vitale; A. P. Waite; E. Wallace; K. S. Wood; M. Wood; Z. Yang; G. Zaharijas; S. Zimmer

doi:10.1088/0004-637X/761/2/91

Journal Articles The Astrophysical Journal Year : 2012

Constraints on the Galactic Halo Dark Matter from Fermi-LAT Diffuse Measurements

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Markus Ackermann

Function : Author

Marco Ajello

Function : Author

W. B. Atwood

Function : Author

Luca Baldini

Function : Author

Guido Barbiellini

Function : Author

D. Bastieri

Function : Author

K. Bechtol

Function : Author

R. Bellazzini

Function : Author

R. D. Blandford

Function : Author

E. D. Bloom

Function : Author

E. Bonamente

Function : Author

A. W. Borgland

Function : Author

E. Bottacini

Function : Author

T. J. Brandt

Function : Author

Institut de recherche en astrophysique et planétologie

J. Bregeon

Function : Author
PersonId : 741214
IdHAL : johan-bregeon
ORCID : 0000-0002-6790-5328
IdRef : 095856943

M. Brigida

Function : Author

Pascal Bruel

Function : Author

Laboratoire Leprince-Ringuet

R. Buehler

Function : Author

S. Buson

Function : Author

G. A. Caliandro

Function : Author

R. A. Cameron

Function : Author

P. A. Caraveo

Function : Author

J. M. Casandjian

Function : Author

Astrophysique Interprétation Modélisation

C. Cecchi

Function : Author

E. Charles

Function : Author

A. Chekhtman

Function : Author

J. Chiang

Function : Author

S. Ciprini

Function : Author

R. Claus

Function : Author

J. Cohen-Tanugi

Function : Author
PersonId : 3626
IdHAL : johann-cohen-tanugi
ORCID : 0000-0001-9022-4232
IdRef : 172626544

Laboratoire Univers et Particules de Montpellier

J. Conrad

Function : Author

A. Cuoco

Function : Author

S. Cutini

Function : Author

F. d'Ammando

Function : Author

A. de Angelis

Function : Author

F. de Palma

Function : Author

C. D. Dermer

Function : Author

E. Do Couto E Silva

Function : Author

P. S. Drell

Function : Author

A. Drlica-Wagner

Function : Author

L. Falletti

Function : Author

C. Favuzzi

Function : Author

S. J. Fegan

Function : Author
PersonId : 740343
IdHAL : stephen-fegan
ORCID : 0000-0002-9978-2510
IdRef : 253133149

Laboratoire Leprince-Ringuet

W. B. Focke

Function : Author

Y. Fukazawa

Function : Author
PersonId : 760581
ORCID : 0000-0002-0921-8837

S. Funk

Function : Author

P. Fusco

Function : Author

F. Gargano

Function : Author

D. Gasparrini

Function : Author

S. Germani

Function : Author

N. Giglietto

Function : Author
PersonId : 755413
ORCID : 0000-0002-9021-2888

F. Giordano

Function : Author

M. Giroletti

Function : Author

T. Glanzman

Function : Author

G. Godfrey

Function : Author

I. A. Grenier

Function : Author

Astrophysique Interprétation Modélisation

S. Guiriec

Function : Author

M. Gustafsson

Function : Author

D. Hadasch

Function : Author
PersonId : 761675
ORCID : 0000-0001-8663-6461

M. Hayashida

Function : Author

D. Horan

Function : Author

Laboratoire Leprince-Ringuet

R. E. Hughes

Function : Author

M. S. Jackson

Function : Author

T. Jogler

Function : Author

G. Jóhannesson

Function : Author

A. S. Johnson

Function : Author

T. Kamae

Function : Author

Jürgen Knödlseder

Function : Author
PersonId : 178646
IdHAL : jurgen-knodlseder
ORCID : 0000-0002-0014-7809
IdRef : 069521360

Institut de recherche en astrophysique et planétologie

M. Kuss

Function : Author

J. Lande

Function : Author

Institut de recherche en astrophysique et planétologie

L. Latronico

Function : Author

A. M. Lionetto

Function : Author

M. Llena Garde

Function : Author

F. Longo

Function : Author
PersonId : 755442
ORCID : 0000-0003-2501-2270

F. Loparco

Function : Author

B. Lott

Function : Author
PersonId : 739369
IdHAL : benoit-lott
ORCID : 0000-0003-2186-9242
IdRef : 031300065

GLAST

M. N. Lovellette

Function : Author

P. Lubrano

Function : Author

M. N. Mazziotta

Function : Author

J. E. Mcenery

Function : Author

J. Mehault

Function : Author

Laboratoire Univers et Particules de Montpellier

P. F. Michelson

Function : Author

W. Mitthumsiri

Function : Author

T. Mizuno

Function : Author

A. A. Moiseev

Function : Author

C. Monte

Function : Author

M. E. Monzani

Function : Author

A. Morselli

Function : Author

I. V. Moskalenko

Function : Author

S. Murgia

Function : Author

M. Naumann-Godo

Function : Author

J. P. Norris

Function : Author

E. Nuss

Function : Author

Laboratoire Univers et Particules de Montpellier

T. Ohsugi

Function : Author

M. Orienti

Function : Author

E. Orlando

Function : Author

J. F. Ormes

Function : Author

D. Paneque

Function : Author
PersonId : 755279
ORCID : 0000-0002-2830-0502

J. H. Panetta

Function : Author

M. Pesce-Rollins

Function : Author
PersonId : 760585
ORCID : 0000-0003-1790-8018

M. Pierbattista

Function : Author

Astrophysique Interprétation Modélisation

F. Piron

Function : Author
PersonId : 172749
IdHAL : frederic-piron
ORCID : 0000-0001-6885-7156

Laboratoire Univers et Particules de Montpellier

G. Pivato

Function : Author

H. Poon

Function : Author

S. Rainò

Function : Author

R. Rando

Function : Author

M. Razzano

Function : Author

S. Razzaque

Function : Author

A. Reimer

Function : Author
PersonId : 755465
ORCID : 0000-0001-8604-7077

O. Reimer

Function : Author

C. Romoli

Function : Author
PersonId : 766942
ORCID : 0000-0003-2541-4499

C. Sbarra

Function : Author

J. D. Scargle

Function : Author

C. Sgrò

Function : Author

E. J. Siskind

Function : Author

G. Spandre

Function : Author

P. Spinelli

Function : Author

Łukasz Stawarz

Function : Author

A. W. Strong

Function : Author

D. J. Suson

Function : Author

H. Tajima

Function : Author

H. Takahashi

Function : Author

T. Tanaka

Function : Author
PersonId : 756461
ORCID : 0000-0002-4383-0368

J. G. Thayer

Function : Author

J. B. Thayer

Function : Author

L. Tibaldo

Function : Author

M. Tinivella

Function : Author

G. Tosti

Function : Author

E. Troja

Function : Author

T. L. Usher

Function : Author

J. Vandenbroucke

Function : Author

V. Vasileiou

Function : Author

Laboratoire Univers et Particules de Montpellier

G. Vianello

Function : Author

V. Vitale

Function : Author
PersonId : 760184
ORCID : 0000-0001-8040-7852

A. P. Waite

Function : Author

E. Wallace

Function : Author

K. S. Wood

Function : Author

M. Wood

Function : Author

Z. Yang

Function : Author

G. Zaharijas

Function : Author

S. Zimmer

Function : Author

Abstract

We have performed an analysis of the diffuse gamma-ray emission with the Fermi Large Area Telescope (LAT) in the Milky Way halo region, searching for a signal from dark matter annihilation or decay. In the absence of a robust dark matter signal, constraints are presented. We consider both gamma rays produced directly in the dark matter annihilation/decay and produced by inverse Compton scattering of the e +/e - produced in the annihilation/decay. Conservative limits are derived requiring that the dark matter signal does not exceed the observed diffuse gamma-ray emission. A second set of more stringent limits is derived based on modeling the foreground astrophysical diffuse emission using the GALPROP code. Uncertainties in the height of the diffusive cosmic-ray halo, the distribution of the cosmic-ray sources in the Galaxy, the index of the injection cosmic-ray electron spectrum, and the column density of the interstellar gas are taken into account using a profile likelihood formalism, while the parameters governing the cosmic-ray propagation have been derived from fits to local cosmic-ray data. The resulting limits impact the range of particle masses over which dark matter thermal production in the early universe is possible, and challenge the interpretation of the PAMELA/Fermi-LAT cosmic ray anomalies as the annihilation of dark matter.

Keywords

dark matter Galaxy: halo gamma rays: diffuse background methods: statistical

Domains

High Energy Astrophysical Phenomena [astro-ph.HE] High Energy Astrophysical Phenomena [astro-ph.HE]

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https://in2p3.hal.science/in2p3-00772101

Submitted on : Thursday, January 10, 2013-9:12:11 AM

Last modification on : Tuesday, December 3, 2024-10:22:03 AM

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in2p3-00772101 , version 1 (10-01-2013)

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HAL Id : in2p3-00772101 , version 1
ARXIV : 1205.6474
DOI : 10.1088/0004-637X/761/2/91

Cite

Markus Ackermann, Marco Ajello, W. B. Atwood, Luca Baldini, Guido Barbiellini, et al.. Constraints on the Galactic Halo Dark Matter from Fermi-LAT Diffuse Measurements. The Astrophysical Journal, 2012, 761, pp.91. ⟨10.1088/0004-637X/761/2/91⟩. ⟨in2p3-00772101⟩

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Constraints on the Galactic Halo Dark Matter from Fermi-LAT Diffuse Measurements

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