Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/24914
DC Field | Value | Language |
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dc.contributor.author | Ackermann, M. | en_US |
dc.contributor.author | Ajello, M. | en_US |
dc.contributor.author | Albert, A. | en_US |
dc.contributor.author | Atwood, W. B. | en_US |
dc.contributor.author | Baldini, L. | en_US |
dc.contributor.author | Ballet, J. | en_US |
dc.contributor.author | Barbiellini, G. | en_US |
dc.contributor.author | Bastieri, D. | en_US |
dc.contributor.author | Bechtol, K. | en_US |
dc.contributor.author | Bellazzini, R. | en_US |
dc.contributor.author | Bissaldi, E. | en_US |
dc.contributor.author | Favuzzi, C. | en_US |
dc.contributor.author | Fegan, S. J. | en_US |
dc.contributor.author | Ferrara, E. C. | en_US |
dc.contributor.author | Franckowiak, A. | en_US |
dc.contributor.author | Fukazawa, Y. | en_US |
dc.contributor.author | Funk, S. | en_US |
dc.contributor.author | Fusco, P. | en_US |
dc.contributor.author | Gargano, F. | en_US |
dc.contributor.author | Gasparrini, D. | en_US |
dc.contributor.author | Giglietto, N. | en_US |
dc.contributor.author | Loparco, F. | en_US |
dc.contributor.author | Giommi, P. | en_US |
dc.contributor.author | Giordano, F. | en_US |
dc.contributor.author | GIROLETTI, MARCELLO | en_US |
dc.contributor.author | Godfrey, G. | en_US |
dc.contributor.author | Green, D. | en_US |
dc.contributor.author | Grenier, I. A. | en_US |
dc.contributor.author | Guiriec, S. | en_US |
dc.contributor.author | Hays, E. | en_US |
dc.contributor.author | Horan, D. | en_US |
dc.contributor.author | IAFRATE, Giulia | en_US |
dc.contributor.author | Lott, B. | en_US |
dc.contributor.author | Jogler, T. | en_US |
dc.contributor.author | Jóhannesson, G. | en_US |
dc.contributor.author | Kuss, M. | en_US |
dc.contributor.author | La Mura, G. | en_US |
dc.contributor.author | Larsson, S. | en_US |
dc.contributor.author | Latronico, L. | en_US |
dc.contributor.author | Li, J. | en_US |
dc.contributor.author | Li, L. | en_US |
dc.contributor.author | Longo, F. | en_US |
dc.contributor.author | Lovellette, M. N. | en_US |
dc.contributor.author | Lubrano, P. | en_US |
dc.contributor.author | Madejski, G. M. | en_US |
dc.contributor.author | Magill, J. | en_US |
dc.contributor.author | Maldera, S. | en_US |
dc.contributor.author | Manfreda, A. | en_US |
dc.contributor.author | Mayer, M. | en_US |
dc.contributor.author | Mazziotta, M. N. | en_US |
dc.contributor.author | Piron, F. | en_US |
dc.contributor.author | Michelson, P. F. | en_US |
dc.contributor.author | Mitthumsiri, W. | en_US |
dc.contributor.author | Mizuno, T. | en_US |
dc.contributor.author | Moiseev, A. A. | en_US |
dc.contributor.author | Monzani, M. E. | en_US |
dc.contributor.author | Morselli, A. | en_US |
dc.contributor.author | Moskalenko, I. V. | en_US |
dc.contributor.author | Murgia, S. | en_US |
dc.contributor.author | Negro, M. | en_US |
dc.contributor.author | Nuss, E. | en_US |
dc.contributor.author | Pivato, G. | en_US |
dc.contributor.author | Ohsugi, T. | en_US |
dc.contributor.author | Okada, C. | en_US |
dc.contributor.author | Omodei, N. | en_US |
dc.contributor.author | Orlando, E. | en_US |
dc.contributor.author | Ormes, J. F. | en_US |
dc.contributor.author | Paneque, D. | en_US |
dc.contributor.author | Perkins, J. S. | en_US |
dc.contributor.author | Pesce-Rollins, M. | en_US |
dc.contributor.author | Petrosian, V. | en_US |
dc.contributor.author | Porter, T. A. | en_US |
dc.contributor.author | Rainò, S. | en_US |
dc.contributor.author | Rando, R. | en_US |
dc.contributor.author | Razzano, M. | en_US |
dc.contributor.author | Razzaque, S. | en_US |
dc.contributor.author | Reimer, A. | en_US |
dc.contributor.author | Reimer, O. | en_US |
dc.contributor.author | Reposeur, T. | en_US |
dc.contributor.author | Blandford, R. D. | en_US |
dc.contributor.author | Romani, R. W. | en_US |
dc.contributor.author | Sánchez-Conde, M. | en_US |
dc.contributor.author | Schmid, J. | en_US |
dc.contributor.author | Schulz, A. | en_US |
dc.contributor.author | Sgrò, C. | en_US |
dc.contributor.author | Simone, D. | en_US |
dc.contributor.author | Siskind, E. J. | en_US |
dc.contributor.author | Spada, F. | en_US |
dc.contributor.author | Spandre, G. | en_US |
dc.contributor.author | Spinelli, P. | en_US |
dc.contributor.author | Bloom, E. D. | en_US |
dc.contributor.author | Suson, D. J. | en_US |
dc.contributor.author | Takahashi, H. | en_US |
dc.contributor.author | Thayer, J. B. | en_US |
dc.contributor.author | Tibaldo, L. | en_US |
dc.contributor.author | Torres, D. F. | en_US |
dc.contributor.author | Troja, E. | en_US |
dc.contributor.author | Vianello, G. | en_US |
dc.contributor.author | Yassine, M. | en_US |
dc.contributor.author | Zimmer, S. | en_US |
dc.contributor.author | Bonino, R. | en_US |
dc.contributor.author | Bregeon, J. | en_US |
dc.contributor.author | Britto, R. J. | en_US |
dc.contributor.author | Bruel, P. | en_US |
dc.contributor.author | Buehler, R. | en_US |
dc.contributor.author | Caliandro, G. A. | en_US |
dc.contributor.author | Cameron, R. A. | en_US |
dc.contributor.author | Caragiulo, M. | en_US |
dc.contributor.author | CARAVEO, PATRIZIA | en_US |
dc.contributor.author | Cavazzuti, E. | en_US |
dc.contributor.author | Cecchi, C. | en_US |
dc.contributor.author | Charles, E. | en_US |
dc.contributor.author | Chekhtman, A. | en_US |
dc.contributor.author | Chiang, J. | en_US |
dc.contributor.author | Chiaro, G. | en_US |
dc.contributor.author | Ciprini, S. | en_US |
dc.contributor.author | Cohen-Tanugi, J. | en_US |
dc.contributor.author | Cominsky, L. R. | en_US |
dc.contributor.author | Costanza, F. | en_US |
dc.contributor.author | Cutini, S. | en_US |
dc.contributor.author | D'AMMANDO, FILIPPO | en_US |
dc.contributor.author | de Angelis, A. | en_US |
dc.contributor.author | de Palma, F. | en_US |
dc.contributor.author | Desiante, R. | en_US |
dc.contributor.author | Digel, S. W. | en_US |
dc.contributor.author | Di Mauro, M. | en_US |
dc.contributor.author | Di Venere, L. | en_US |
dc.contributor.author | Domínguez, A. | en_US |
dc.contributor.author | Drell, P. S. | en_US |
dc.date.accessioned | 2020-05-18T13:43:58Z | - |
dc.date.available | 2020-05-18T13:43:58Z | - |
dc.date.issued | 2016 | en_US |
dc.identifier.issn | 0031-9007 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/24914 | - |
dc.description.abstract | The Fermi Large Area Telescope (LAT) Collaboration has recently released a catalog of 360 sources detected above 50 GeV (2FHL). This catalog was obtained using 80 months of data re-processed with Pass 8, the newest event-level analysis, which significantly improves the acceptance and angular resolution of the instrument. Most of the 2FHL sources at high Galactic latitude are blazars. Using detailed Monte Carlo simulations, we measure, for the first time, the source count distribution, d N /d S , of extragalactic γ -ray sources at E >50 GeV and find that it is compatible with a Euclidean distribution down to the lowest measured source flux in the 2FHL (∼8 ×10<SUP>-12</SUP> ph cm<SUP>-2</SUP> s<SUP>-1</SUP> ). We employ a one-point photon fluctuation analysis to constrain the behavior of d N /d S below the source detection threshold. Overall, the source count distribution is constrained over three decades in flux and found compatible with a broken power law with a break flux, S<SUB>b</SUB>, in the range [8 ×10<SUP>-12</SUP>,1.5 ×10<SUP>-11</SUP>] ph cm<SUP>-2</SUP> s<SUP>-1</SUP> and power-law indices below and above the break of α<SUB>2</SUB>∈[1.60 ,1.75 ] and α<SUB>1</SUB>=2.49 ±0.12 , respectively. Integration of d N /d S shows that point sources account for at least 8 6<SUB>-14</SUB><SUP>+16</SUP>% of the total extragalactic γ -ray background. The simple form of the derived source count distribution is consistent with a single population (i.e., blazars) dominating the source counts to the minimum flux explored by this analysis. We estimate the density of sources detectable in blind surveys that will be performed in the coming years by the Cherenkov Telescope Array. | en_US |
dc.language.iso | eng | en_US |
dc.title | Resolving the Extragalactic γ -Ray Background above 50 GeV with the Fermi Large Area Telescope | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1103/PhysRevLett.116.151105 | en_US |
dc.identifier.scopus | 2-s2.0-84963800106 | en_US |
dc.identifier.isi | 000373984100003 | en_US |
dc.identifier.url | https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.151105 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 116 | en_US |
dc.relation.issue | 15 | en_US |
dc.relation.firstpage | 151105 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.international | sì | en_US |
dc.contributor.country | ITA | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | PHYSICAL REVIEW LETTERS | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2016PhRvL.116o1105A | en_US |
dc.relation.ercsector | Scienze Fisiche Settori ERC (ERC) di riferimento::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
item.openairetype | Article | - |
item.cerifentitytype | Publications | - |
crisitem.journal.journalissn | 0031-9007 | - |
crisitem.journal.ance | E131801 | - |
crisitem.author.dept | IRA Bologna | - |
crisitem.author.dept | O.A. Trieste | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.dept | IRA Bologna | - |
crisitem.author.orcid | 0000-0002-8657-8852 | - |
crisitem.author.orcid | 0000-0002-6185-8292 | - |
crisitem.author.orcid | 0000-0003-2478-8018 | - |
crisitem.author.orcid | 0000-0001-7618-7527 | - |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
PhysRevLett.116.151105.pdf | PDF editoriale | 1.78 MB | Adobe PDF | View/Open |
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