| Test of the 1.4 TeV DAMPE electron excess with preliminary HESS measurement | |
| Yao YH(姚玉华); Jin C(靳超); Chang XC(常潇川); Yao, YH; Jin, C; Chang, XC | |
| 2018 | |
| Source Publication | NUCLEAR PHYSICS B
 |
| ISSN | 0550-3213 |
| EISSN | 1873-1562 |
| Volume | 934Pages:396-407 |
| Subtype | Article |
| Abstract | In November 2017, the DAMPE collaboration announced their first measurement of the electron spectrum between energies of 25 GeV and 4.6 TeV, including a narrow peak at similar to 1.4 TeV with marginal significance. However, this feature is not observed in the larger statistic H.E.S.S. spectrum reported a few month earlier in the ICRC 2017. In this work, we perform a likelihood ratio method to test whether the DAMPE excess is compatible with the preliminary H.E.S.S. spectrum. By assuming the performance of the H.E.S.S. analysis is smooth with the electron energy, a 95% CL upper limit on a stable DAMPE-like signal is set at similar to 17 % of the DAMPE excess flux. The further investigation will rely on the formal publication of H.E.S.S. spectrum and higher statistic spectrum of DAMPE in the future. (C) 2018 The Author(s). Published by Elsevier B.V. |
| DOI | 10.1016/j.nuclphysb.2018.07.018 |
| WOS Keyword | COSMIC-RAY ELECTRONS ; SUPERNOVA-REMNANTS ; ACCELERATION ; SPECTRA ; PULSARS |
| Indexed By | SCI |
| Language | 英语 |
| WOS Research Area | Physics |
| WOS Subject | Physics, Particles & Fields |
| WOS ID | WOS:000445497400016 |
| ADS Bibcode | 2018NuPhB.934..396Y |
| inspireid | 1684588 |
| Citation statistics |
Cited Times:2 [INSPIRE]
Cited Times:2 [ADS]
|
| Document Type | 期刊论文 |
| Identifier | http://ir.ihep.ac.cn/handle/311005/286354 |
| Collection | 粒子天体物理中心 |
| Corresponding Author | Yao YH(姚玉华) |
| Affiliation | 中国科学院高能物理研究所 |
| First Author Affilication | Institute of High Energy |
| Corresponding Author Affilication | Institute of High Energy |
| Recommended Citation GB/T 7714 | Yao YH,Jin C,Chang XC,et al. Test of the 1.4 TeV DAMPE electron excess with preliminary HESS measurement[J]. NUCLEAR PHYSICS B,2018,934:396-407. |
| APA | 姚玉华,靳超,常潇川,Yao, YH,Jin, C,&Chang, XC.(2018).Test of the 1.4 TeV DAMPE electron excess with preliminary HESS measurement.NUCLEAR PHYSICS B,934,396-407. |
| MLA | 姚玉华,et al."Test of the 1.4 TeV DAMPE electron excess with preliminary HESS measurement".NUCLEAR PHYSICS B 934(2018):396-407. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment