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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Constraints on axionlike particles with H.E.S.S. from the irregularity of the PKS 2155-304 energy spectrum
Physical Review D - Particles, Fields, Gravitation and Cosmology, Volume 88, No. 10, Article 102003, Year 2013
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Description
Axionlike particles (ALPs) are hypothetical light (sub-eV) bosons predicted in some extensions of the Standard Model of particle physics. In astrophysical environments comprising high-energy gamma rays and turbulent magnetic fields, the existence of ALPs can modify the energy spectrum of the gamma rays for a sufficiently large coupling between ALPs and photons. This modification would take the form of an irregular behavior of the energy spectrum in a limited energy range. Data from the H.E.S.S. observations of the distant BL Lac object PKS 2155-304 (z=0.116) are used to derive upper limits at the 95% C.L. on the strength of the ALP coupling to photons, gγa<2. 1×10-11 GeV-1 for an ALP mass between 15 and 60 neV. The results depend on assumptions on the magnetic field around the source, which are chosen conservatively. The derived constraints apply to both light pseudoscalar and scalar bosons that couple to the electromagnetic field. © 2013 American Physical Society.
Authors & Co-Authors
Abramowski, Attila
Germany, Hamburg
Universität Hamburg
Acero, Fabio
France, Montpellier
Laboratoire Univers et Particules de Montpellier
Aharonian, F. A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Armenia, Yerevan
National Academy of Sciences of the Republic of Armenia
Ait Benkhali, F.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Akhperjanian, Ashot G.
Armenia, Yerevan
National Academy of Sciences of the Republic of Armenia
Armenia, Yerevan
Yerevan Physics Institute
Angüner, Ekrem Oǧuzhan
Germany, Berlin
Humboldt-universität zu Berlin
Anton, Gisela K.Stycz
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Balenderan, S.
United Kingdom, Durham
Durham University
Balzer, Arnim
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Germany, Potsdam
Universität Potsdam
Barnacka, Anna
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Becherini, Yvonne
Germany, Heidelberg
Landessternwarte Heidelberg
France, Paris
Apc - Astroparticule et Cosmologie
France, Palaiseau
École Polytechnique
Becker-Tjus, Julia
Germany, Bochum
Ruhr-universitat Bochum
Bernlöhr, Konrad
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Germany, Berlin
Humboldt-universität zu Berlin
Birsin, Emrah
Germany, Berlin
Humboldt-universität zu Berlin
Bissaldi, Elisabetta
Austria, Innsbruck
Medizinische Universitat Innsbruck
Biteau, Jonathan
France, Palaiseau
École Polytechnique
Boisson, Catherine
France, Meudon
Luth - Laboratoire de L'univers et de Ses Theories
Bolmont, Julien
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Bordas, Pol
Germany, Tubingen
Eberhard Karls Universität Tübingen
Brucker, Julia
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Brun, François
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Brun, Pierre
France, Gif-sur-yvette
Institut de Recherche Sur Les Lois Fondamentales de L'univers
Bulk, Tomasz
Poland, Warsaw
University of Warsaw
Carrigan, Svenja
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Casanova, Sabrina
Germany, Heidelberg
Max-planck-institut Für Kernphysik
South Africa, Potchefstroom
North-west University
Cerruti, Matteo
France, Meudon
Luth - Laboratoire de L'univers et de Ses Theories
Chadwick, Paula M.
United Kingdom, Durham
Durham University
Chalmé-Calvet, Raphaël
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Chaves, Ryan C.G.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
France, Gif-sur-yvette
Institut de Recherche Sur Les Lois Fondamentales de L'univers
Cheesebrough, A.
United Kingdom, Durham
Durham University
Chrétien, Mathieu
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Colafrancesco, Sergio
South Africa, Johannesburg
University of the Witwatersrand
Cologna, Gabriele
Germany, Heidelberg
Landessternwarte Heidelberg
Conrad, Jan
Sweden, Stockholm
Stockholms Universitet
Couturier, C.
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Dalton, Matthew L.
France, Bordeaux
Université de Bordeaux
Daniel, Michael K.
United Kingdom, Durham
Durham University
Davids, Isak Delberth
Namibia, Windhoek
University of Namibia
Degrange, Bernard
France, Palaiseau
École Polytechnique
Deil, Christoph
Germany, Heidelberg
Max-planck-institut Für Kernphysik
DeWilt, P.
Australia, Adelaide
The University of Adelaide
Dickinson, Hugh J.
Sweden, Stockholm
Stockholms Universitet
Djannati-Ataï, Arache
France, Paris
Apc - Astroparticule et Cosmologie
Domainko, Wilfried F.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Drury, Luke O'C
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Dubus, Guillaume
France, Saint Martin D'heres
Institut de Planétologie et D’astrophysique de Grenoble Ipag
Dutson, Kate L.
United Kingdom, Leicester
University of Leicester
Dyks, Jarosław
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Dyrda, Michael
Poland, Krakow
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Edwards, Thomas D.P.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Egberts, Kathrin
Austria, Innsbruck
Medizinische Universitat Innsbruck
Eger, Peter A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Espigat, P.
France, Paris
Apc - Astroparticule et Cosmologie
Farnier, Christian
Sweden, Stockholm
Stockholms Universitet
Fegan, Stephen J.
France, Palaiseau
École Polytechnique
Feinstein, Fabrice
France, Montpellier
Laboratoire Univers et Particules de Montpellier
Fernandes, Milton Virgílio
Germany, Hamburg
Universität Hamburg
Fernandez, Diane
France, Montpellier
Laboratoire Univers et Particules de Montpellier
Fiasson, Armand
France, Chambery
Université Savoie Mont Blanc
Fontaine, Gérard
France, Palaiseau
École Polytechnique
Förster, Andreas
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Füssling, Matthias
Germany, Potsdam
Universität Potsdam
Gajdus, Michael
Germany, Berlin
Humboldt-universität zu Berlin
Gallant, Yves A.
France, Montpellier
Laboratoire Univers et Particules de Montpellier
Garrigoux, Tania
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Gast, Henning
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Giebels, Berrie
France, Palaiseau
École Polytechnique
Glicenstein, Jean François
France, Gif-sur-yvette
Institut de Recherche Sur Les Lois Fondamentales de L'univers
Göring, D.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Grondin, Marie Hélène
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Germany, Heidelberg
Landessternwarte Heidelberg
Grudzínska, Mira
Poland, Warsaw
University of Warsaw
Häffner, Stephanie
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Hague, J. D.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hahn, Joachim
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Harris, Jonathan
United Kingdom, Durham
Durham University
Heinzelmann, Götz
Germany, Hamburg
Universität Hamburg
Henri, Gilles
France, Saint Martin D'heres
Institut de Planétologie et D’astrophysique de Grenoble Ipag
Hermann, German
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hervet, Olivier
France, Meudon
Luth - Laboratoire de L'univers et de Ses Theories
Hillert, Andreas
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hinton, James A.J.A.
United Kingdom, Leicester
University of Leicester
Hofmann, Werner
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hofverberg, Petter
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Holler, Markus
Germany, Potsdam
Universität Potsdam
Horns, Dieter
Germany, Hamburg
Universität Hamburg
Jachołkowska, Agnieszka
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Jahn, C.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Jamrozy, Marek
Poland, Krakow
Uniwersytet Jagielloński
Janiak, Mateusz
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Jankowsky, Felix
Germany, Heidelberg
Landessternwarte Heidelberg
Jung-Richardt, Ira V.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Kastendieck, Max Anton
Germany, Hamburg
Universität Hamburg
Katarzyński, Krzysztof
Poland, Torun
Uniwersytet Mikołaja Kopernika w Toruniu
Katz, Ulrich F.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Kaufmann, Sarah
Germany, Heidelberg
Landessternwarte Heidelberg
Khélifi, Bruno
France, Palaiseau
École Polytechnique
Kieffer, M.
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Klepser, Stefan
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Klochkov, Dmitry K.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Kluåniak, W.
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Statistics
Citations: 121
Authors: 100
Affiliations: 34
Identifiers
Doi:
10.1103/PhysRevD.88.102003
ISSN:
15507998
e-ISSN:
15502368