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dc.contributor.author
Ackerman, M.
dc.contributor.author
Ajello, M.
dc.contributor.author
Allafort, A.
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Baldini, L.
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Ballet, J.
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Garbiellini, G.
dc.contributor.author
Baring, M. G.
dc.contributor.author
Bastieri, D.
dc.contributor.author
Bechtol, K.
dc.contributor.author
Bellazzini, R.
dc.contributor.author
Blandford, R. D.
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Bloom, E. D.
dc.contributor.author
Bonamente, E.
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Borgland, A. W.
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Bottaccini, E.
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Brandt, T. J.
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Bregeon, J.
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Brigida, M.
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Bruel, P.
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Buehler, R.
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Busetto, G.
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Buson, S.
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Caliandro, G. A.
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Cameron, R. A.
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Caraveo, P. A.
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Casandjian, J. M.
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Cecchi, C.
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Celic, O.
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Charles, E.
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Cillis, Analia Nilda
dc.date.available
2017-06-02T16:16:31Z
dc.date.issued
2013-02-14
dc.identifier.citation
Ackerman, M.; Ajello, M.; Allafort, A.; Baldini, L.; Ballet, J.; et al.; Detection of the Characteristic Pion-Decay Signature in Supernova Remnants; American Association For The Advancement Of Science; Science; 339; 6121; 14-2-2013; 807-811
dc.identifier.issn
0036-8075
dc.identifier.uri
http://hdl.handle.net/11336/17370
dc.description.abstract
Cosmic rays are particles (mostly protons) accelerated to relativistic speeds. Despite wide agreement that supernova remnants (SNRs) are the sources of galactic cosmic rays, unequivocal evidence for the acceleration of protons in these objects is still lacking. When accelerated protons encounter interstellar material, they produce neutral pions, which in turn decay into gamma rays. This offers a compelling way to detect the acceleration sites of protons. The identification of pion-decay gamma rays has been difficult because high-energy electrons also produce gamma rays via bremsstrahlung and inverse Compton scattering. We detected the characteristic pion-decay feature in the gamma-ray spectra of two SNRs, IC 443 and W44, with the Fermi Large Area Telescope. This detection provides direct evidence that cosmic-ray protons are accelerated in SNRs.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Association For The Advancement Of Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Astronomy
dc.subject
Physics
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Detection of the Characteristic Pion-Decay Signature in Supernova Remnants
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-05-23T19:16:01Z
dc.journal.volume
339
dc.journal.number
6121
dc.journal.pagination
807-811
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Ackerman, M.. Deutsches Elektronen Synchrotron DESY; Alemania
dc.description.fil
Fil: Ajello, M.. University of California; Estados Unidos
dc.description.fil
Fil: Allafort, A.. University Of Stanford; Estados Unidos
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Fil: Baldini, L.. Universita Degli Studi Di Pisa; Italia
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Fil: Ballet, J.. Universit´e Paris Diderot; Francia
dc.description.fil
Fil: Garbiellini, G.. Universit`a di Trieste; Italia
dc.description.fil
Fil: Baring, M. G.. Rice University; Estados Unidos
dc.description.fil
Fil: Bastieri, D.. Universita Di Padova; Italia
dc.description.fil
Fil: Bechtol, K.. University Of Stanford; Estados Unidos
dc.description.fil
Fil: Bellazzini, R.. Istituto Nazionale di Fisica Nucleare; Italia
dc.description.fil
Fil: Blandford, R. D.. University Of Stanford; Estados Unidos
dc.description.fil
Fil: Bloom, E. D.. University Of Stanford; Estados Unidos
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Fil: Bonamente, E.. Universita degli Studi di Perugia; Italia
dc.description.fil
Fil: Borgland, A. W.. University of Stanford; Estados Unidos
dc.description.fil
Fil: Bottaccini, E.. University Of Stanford; Estados Unidos
dc.description.fil
Fil: Brandt, T. J.. National Aeronautics And Space Administration. Goddart Institute For Space Studies; Estados Unidos
dc.description.fil
Fil: Bregeon, J.. Istituto Nazionale di Fisica Nucleare; Italia
dc.description.fil
Fil: Brigida, M.. Universit`a e del Politecnico di Bari; Italia
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Fil: Bruel, P.. Ecole polytechnique, CNRS; Francia
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Fil: Buehler, R.. University Of Stanford; Estados Unidos
dc.description.fil
Fil: Busetto, G.. Universita di Padova; Italia
dc.description.fil
Fil: Buson, S..
dc.description.fil
Fil: Caliandro, G. A.. Institut de Ciencies de l’Espai (IEEE-CSIC); España
dc.description.fil
Fil: Cameron, R. A.. University Of Stanford; Estados Unidos
dc.description.fil
Fil: Caraveo, P. A.. INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica; Italia
dc.description.fil
Fil: Casandjian, J. M.. Universite Paris Diderot; Francia
dc.description.fil
Fil: Cecchi, C.. Universita degli Studi di Perugia; Italia
dc.description.fil
Fil: Celic, O.. National Aeronautics And Space Administration. Goddart Institute For Space Studies; Estados Unidos
dc.description.fil
Fil: Charles, E.. University Of Stanford; Estados Unidos
dc.description.fil
Fil: Cillis, Analia Nilda. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
dc.journal.title
Science
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://science.sciencemag.org/content/339/6121/807
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/arxiv/https://arxiv.org/abs/1302.3307
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