Fermi observations of γ-ray emission from the moon

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dc.contributor.author Abdo, Aous A.
dc.contributor.author Ackermann, Markus
dc.contributor.author Ajello, Marco
dc.contributor.author Atwoo, W. B.
dc.contributor.author Baldini, Luca
dc.contributor.author Ballet, Jean
dc.contributor.author Barbiellini, Guido
dc.contributor.author Bastieri, Denis
dc.contributor.author Bechtol, Keith C.
dc.contributor.author Bellazzini, Ronaldo
dc.contributor.author Berenji, Bijan
dc.contributor.author Blandford, Roger D.
dc.contributor.author Bonamente, Emanuele
dc.contributor.author Borgland, AW W.
dc.contributor.author Bottacini, Eugenio
dc.contributor.author Bouvier, Aurelien
dc.contributor.author Bregeon, Johan
dc.contributor.author Brigida, Monica
dc.contributor.author Bruel, Ph
dc.contributor.author Buehler, Rolf
dc.contributor.author Buson, S.
dc.contributor.author Caliandro, G. Andrea
dc.contributor.author Cameron, Robert A.
dc.contributor.author Caraveo, Patrizia A.
dc.contributor.author Casandjian, Jean Marc
dc.contributor.author Cecchi, Claudia
dc.contributor.author Charles, E.
dc.contributor.author Chekhtman, Alexandre
dc.contributor.author Chiang, James
dc.contributor.author Ciprini, Stefano
dc.contributor.author Claus, Richard
dc.contributor.author Cohen-Tanugi, Johann
dc.contributor.author Conrad, Jan
dc.contributor.author Cutini, Sara
dc.contributor.author D'Ammando, Filippo
dc.contributor.author De Angelis, Alessandro D.
dc.contributor.author De Palma, Francesco
dc.contributor.author Dermer, Charles D.
dc.contributor.author Digel, Seth W.
dc.contributor.author Do Couto E Silva, Eduardo
dc.contributor.author Drell, PS S.
dc.contributor.author Drlica-Wagner, Alex
dc.contributor.author Dubois, Richard
dc.contributor.author Favuzzi, C.
dc.contributor.author Fegan, S. J.
dc.contributor.author Focke, Warren B.
dc.contributor.author Fortin, Pascal D.
dc.contributor.author Fukazawa, Yasushi
dc.contributor.author Funk, Stefan
dc.contributor.author Fusco, P. G.
dc.contributor.author Gargano, Fabio
dc.contributor.author Gehrels, Neil A.
dc.contributor.author Germani, Stefano
dc.contributor.author Giglietto, Nicola
dc.contributor.author Giommi, Paolo
dc.contributor.author Giordano, Francesco
dc.contributor.author Giroletti, Marcello
dc.contributor.author Glanzman, T.
dc.contributor.author Godfrey, Gary L.
dc.contributor.author Gómez-Vargas, Germán A.
dc.contributor.author Grenier, Isabelle A.
dc.contributor.author Grove, J. Eric
dc.contributor.author Guiriec, Sylvain
dc.contributor.author Hadasch, Daniela
dc.contributor.author Hays, Elizabeth
dc.contributor.author Hill, Adam B.
dc.contributor.author Horan, Deirdre
dc.contributor.author Hou, X.
dc.contributor.author Hughes, Richard E.
dc.contributor.author Iafrate, Giulia
dc.contributor.author Jackson, Miranda S.
dc.contributor.author Jóhannesson, Gudlaugur
dc.contributor.author Johnson, Arne S.
dc.contributor.author Kamae, Tsuneyoshi
dc.contributor.author Katagiri, Hideaki
dc.contributor.author Kataoka, Jun
dc.contributor.author Knödlseder, Jürgen
dc.contributor.author Kuss, Michael W.
dc.contributor.author Lande, Joshua
dc.contributor.author Larsson, Stefan
dc.contributor.author Latronico, Luca
dc.contributor.author Lemoine-Goumard, Marianne
dc.contributor.author Longo, Francesco
dc.contributor.author Loparco, Francesco
dc.contributor.author Lott, Benoît
dc.contributor.author Lovellette, Michael N.
dc.contributor.author Lubrano, Pasquale
dc.contributor.author Mazziotta, Mario Nicola
dc.contributor.author McEnery, Julie E.
dc.contributor.author Méhault, Jérémie
dc.contributor.author Michelson, Peter F.
dc.contributor.author Mitthumsiri, W.
dc.contributor.author Mizuno, Tsunefumi
dc.contributor.author Moiseev, Alexander A.
dc.contributor.author Monte, Christian Federico Perez
dc.contributor.author Monzani, Maria Elena
dc.contributor.author Morselli, Aldo
dc.contributor.author Moskalenko, Igor V.
dc.contributor.author Murgia, Simona
dc.contributor.author Naumann-Godó, Melitta
dc.contributor.author Nolan, Patrick L.
dc.contributor.author Norris, Jay P.
dc.contributor.author Nuss, Eric
dc.contributor.author Ohno, Masanori
dc.contributor.author Ohsugi, Takashi
dc.contributor.author Okumura, Akira
dc.contributor.author Omodei, Nicola
dc.contributor.author Orienti, Monica
dc.contributor.author Orlando, Elena
dc.contributor.author Ormes, Jonathan F.
dc.contributor.author Ozaki, Masanobu
dc.contributor.author Paneque, David
dc.contributor.author Panetta, Julian H.
dc.contributor.author Parent, Damien
dc.contributor.author Pesce-Rollins, Melissa
dc.contributor.author Pierbattista, Marco
dc.contributor.author Piron, Frédéric
dc.contributor.author Pivato, G.
dc.contributor.author Poon, H.
dc.contributor.author Porter, Troy A.
dc.contributor.author Prokhorov, Dmitrii A.
dc.contributor.author Rainò, Silvia
dc.contributor.author Rando, Riccardo
dc.contributor.author Razzano, Massimiliano
dc.contributor.author Razzaque, Soebur
dc.contributor.author Reimer, Anita
dc.contributor.author Reimer, Olaf L.
dc.contributor.author Reposeur, Th
dc.contributor.author Rochester, Leon S.
dc.contributor.author Roth, Markus
dc.contributor.author Sadrozinski, Hartmut F W
dc.contributor.author Sanchez, David A.
dc.contributor.author Sbarra, Ca
dc.contributor.author Schalk, Terry L.
dc.contributor.author Sgrò, Carmelo
dc.contributor.author Share, Gerald H.
dc.contributor.author Siskind, Eric J.
dc.contributor.author Spandre, Gloria
dc.contributor.author Spinelli, P. F.
dc.contributor.author Stawarz., Łukasz
dc.contributor.author Takahashi, Hiromitsu
dc.contributor.author Tanaka, Takaaki
dc.contributor.author Thayer, J. G.
dc.contributor.author Thayer, J. B.
dc.contributor.author Thompson, David J.
dc.contributor.author Tibaldo, Luigi
dc.contributor.author Tinivella, M.
dc.contributor.author Torres, Diego F.
dc.contributor.author Tosti, Gino
dc.contributor.author Troja, Eleonora
dc.contributor.author Uchiyama, Yasunobu
dc.contributor.author Usher, T. L.
dc.contributor.author Vandenbroucke, Justin A.
dc.contributor.author Vasileiou, Vlasios
dc.contributor.author Vianello, Giacomo
dc.contributor.author Vítale, Vincenzo
dc.contributor.author Waite, A. P.
dc.contributor.author Wang, Peng
dc.contributor.author Winer, Brian L.
dc.contributor.author Wood, Dan L.
dc.contributor.author Wood, Kent S.
dc.contributor.author Yang, Zongchang
dc.contributor.author Zimmer, S.
dc.contributor.other UAM. Departamento de Física Teórica es_ES
dc.date.accessioned 2014-09-22T08:20:26Z
dc.date.available 2014-09-22T08:20:26Z
dc.date.issued 2012-10-20
dc.identifier.citation The Astrophysical Journal 758.2 (2012): 140 en_US
dc.identifier.issn 0004-637X (print) es_ES
dc.identifier.issn 1538-4357 (online) es_ES
dc.identifier.uri http://hdl.handle.net/10486/661892
dc.description The Astrophysical Journal 758.2 (2012): 140 reproduced by permission of the AAS en_US
dc.description.abstract We report on the detection of high-energy γ-ray emission from the Moon during the first 24 months of observations by the Fermi Large Area Telescope (LAT). This emission comes from particle cascades produced by cosmic-ray (CR) nuclei and electrons interacting with the lunar surface. The differential spectrum of the Moon is soft and can be described as a log-parabolic function with an effective cutoff at 2-3GeV, while the average integral flux measured with the LAT from the beginning of observations in 2008 August to the end of 2010 August is F(>cm-2s-1. This flux is about a factor 2-3 higher than that observed between 1991 and 1994 by the EGRET experiment on board the Compton Gamma Ray Observatory, F(>100 MeV) ≈ 5 × 10-7cm-2s-1, when solar activity was relatively high. The higher γ-ray flux measured by Fermi is consistent with the deep solar minimum conditions during the first 24 months of the mission, which reduced effects of heliospheric modulation, and thus increased the heliospheric flux of Galactic CRs. A detailed comparison of the light curve with McMurdo Neutron Monitor rates suggests a correlation of the trends. The Moon and the Sun are so far the only known bright emitters of γ-rays with fast celestial motion. Their paths across the sky are projected onto the Galactic center and high Galactic latitudes as well as onto other areas crowded with high-energy γ-ray sources. Analysis of the lunar and solar emission may thus be important for studies of weak and transient sources near the ecliptic. en_US
dc.format.extent 8 pag. es_ES
dc.format.mimetype application/pdf es_ES
dc.language.iso eng en
dc.publisher The American Astronomical Society. en_US
dc.relation.ispartof Astrophysical Journal en_US
dc.rights © 2012. The American Astronomical Society. en_US
dc.subject.other Astroparticle physics en_US
dc.subject.other Gamma rays en_US
dc.subject.other Moon en_US
dc.title Fermi observations of γ-ray emission from the moon en_US
dc.type article en
dc.subject.eciencia Física es_ES
dc.relation.publisherversion http://dx.doi.org/10.1088/0004-637X/758/2/140 en
dc.identifier.doi 10.1088/0004-637X/758/2/140 es_ES
dc.identifier.publicationfirstpage 140 es_ES
dc.identifier.publicationissue 2 es_ES
dc.identifier.publicationlastpage undefined es_ES
dc.identifier.publicationvolume 758 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.rights.accessRights openAccess en


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