| Study of the diffuse gamma-ray emission from the galactic plane with argo-ybj | |
| Bartoli, B.1,2,11; Bernardini, P.3,4; Bi, X. J.5; Branchini, P.6; Budano, A.6; Camarri, P.7,8; Cao, Z.5; Cardarelli, R.8; Catalanotti, S.1,2; Chen, S. Z.5 | |
| 刊名 | Astrophysical journal
 |
| 2015-06-10 | |
| 卷号 | 806期号:1页码:11 |
| 关键词 | Cosmic rays Diffuse radiation Galaxy: disk Methods: observational |
| ISSN号 | 0004-637X |
| DOI | 10.1088/0004-637x/806/1/20 |
| 英文摘要 | The events recorded by argo-ybj in more than five. years of data collection have been analyzed to determine the diffuse gamma-ray emission in the galactic plane at galactic longitudes 25 degrees < l < 100 degrees and galactic latitudes vertical bar b vertical bar < 5 degrees. the energy range covered by this analysis, from similar to 350 gev to similar to 2 tev, allows the connection of the region explored by fermi with the multi-tev measurements carried out by milagro. our analysis has been focused on two selected regions of the galactic plane, i.e., 40 degrees < l < 100 degrees and 65 degrees < l < 85 degrees (the cygnus region), where milagro observed an excess with respect to the predictions of current models. great care has been taken in order to mask the most intense gamma-ray sources, including the tev counterpart of the cygnus cocoon recently identified by argo-ybj, and to remove residual contributions. the argo-ybj results do not show any excess at sub-tev energies corresponding to the excess found by milagro, and are consistent with the predictions of the fermi model for the diffuse galactic emission. from the measured energy distribution we derive spectral indices and the differential flux at 1 tev of the diffuse gamma-ray emission in the sky regions investigated. |
| 语种 | 英语 |
| 出版者 | IOP PUBLISHING LTD |
| WOS记录号 | WOS:000356810300020 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/1639620 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Bartoli, B. |
| 作者单位 | 1.Univ Naples Federico II, Dipartimento Fis, I-80126 Naples, Italy 2.Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy 3.Univ Salento, Dipartimento Matemat & Fis Ennio De Giorgi, I-73100 Lecce, Italy 4.Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy 5.Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China 6.Ist Nazl Fis Nucl, Sez Roma Tre, I-00146 Rome, Italy 7.Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy 8.Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy 9.Tibet Univ, Lhasa 850000, Xizang, Peoples R China 10.Hebei Normal Univ, Shijiazhuang 050016, Hebei, Peoples R China |
| 推荐引用方式 GB/T 7714 | Bartoli, B.,Bernardini, P.,Bi, X. J.,et al. Study of the diffuse gamma-ray emission from the galactic plane with argo-ybj[J]. Astrophysical journal,2015,806(1):11. |
| APA | Bartoli, B..,Bernardini, P..,Bi, X. J..,Branchini, P..,Budano, A..,...&Zizzi, G..(2015).Study of the diffuse gamma-ray emission from the galactic plane with argo-ybj.Astrophysical journal,806(1),11. |
| MLA | Bartoli, B.,et al."Study of the diffuse gamma-ray emission from the galactic plane with argo-ybj".Astrophysical journal 806.1(2015):11. |
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