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Article: Measurement of the Cosmic Ray Helium Energy Spectrum from 70 GeV to 80 TeV with the DAMPE Space Mission

TitleMeasurement of the Cosmic Ray Helium Energy Spectrum from 70 GeV to 80 TeV with the DAMPE Space Mission
Authors
Alemanno, FAn, QAzzarello, PBarbato, FCTBernardini, PBi, XJCai, MSCatanzani, EChang, JChen, DYChen, JLLi, WLLi, XLi, XQLiang, YMLiu, CMLiu, HLiu, JLiu, SBLiu, WQLiu, YWang, SLoparco, FLuo, CNMa, MMa, PXMa, TMa, XYMarsella, GMazziotta, MNMo, DNiu, XYWang, XLPan, XParenti, APeng, WXPeng, XYPerrina, CQiao, RRao, JNRuina, ASalinas, MMShang, GZWang, YShen, WHShen, ZQShen, ZTSilveri, LSong, JXStolpovskiy, MSu, HSu, MSun, ZYSurdo, AWang, YFTeng, XJTykhonov, AWang, HWang, JZWang, LGWang, YZWang, ZMWei, DMWei, JJWei, YFWen, SCChen, ZFWu, DWu, JWu, LBWu, SSWu, XXia, ZQXu, HTXu, ZHXu, ZLXu, ZZCui, MYXue, GFYang, HBYang, PYang, YQYao, HJYu, YHYuan, GWYuan, QYue, CZang, JJCui, TSZhang, FZhang, SXZhang, WZZhang, YZhang, YJZhang, YLZhang, YPZhang, YQZhang, ZZhang, ZYCui, YXZhao, CZhao, HYZhao, XFZhou, CYZhu, YDai, HTD’Amone, ADe Benedittis, ADe Mitri, Ide Palma, FDeliyergiyev, MDi Santo, MDong, TKDong, ZXDonvito, GDroz, DDuan, JLDuan, KKD’Urso, DFan, RRFan, YZFang, KFang, FFeng, CQFeng, LFusco, PGao, MGargano, FGong, KGong, YZGuo, DYGuo, JHGuo, XLHan, SXHu, YMHuang, GSHuang, XYHuang, YYIonica, MJiang, WKong, JKotenko, AKyratzis, DLei, SJLi, S
Issue Date2021
PublisherAmerican Physical Society. The Journal's web site is located at https://journals.aps.org/prl/
Citation
Physical Review Letters, 2021, v. 126 n. 20, p. article no. 201102 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevLett.126.201102
AbstractThe measurement of the energy spectrum of cosmic ray helium nuclei from 70 GeV to 80 TeV using 4.5 years of data recorded by the Dark Matter Particle Explorer (DAMPE) is reported in this work. A hardening of the spectrum is observed at an energy of about 1.3 TeV, similar to previous observations. In addition, a spectral softening at about 34 TeV is revealed for the first time with large statistics and well controlled systematic uncertainties, with an overall significance of 4.3σ. The DAMPE spectral measurements of both cosmic protons and helium nuclei suggest a particle charge dependent softening energy, although with current uncertainties a dependence on the number of nucleons cannot be ruled out.
Persistent Identifierhttp://hdl.handle.net/10722/300698
ISSN
0031-9007
2021 Impact Factor: 9.185
2020 SCImago Journal Rankings: 3.688
ISI Accession Number ID
WOS:000652839100002

 

DC FieldValueLanguage
dc.contributor.authorAlemanno, F-
dc.contributor.authorAn, Q-
dc.contributor.authorAzzarello, P-
dc.contributor.authorBarbato, FCT-
dc.contributor.authorBernardini, P-
dc.contributor.authorBi, XJ-
dc.contributor.authorCai, MS-
dc.contributor.authorCatanzani, E-
dc.contributor.authorChang, J-
dc.contributor.authorChen, DY-
dc.contributor.authorChen, JL-
dc.contributor.authorLi, WL-
dc.contributor.authorLi, X-
dc.contributor.authorLi, XQ-
dc.contributor.authorLiang, YM-
dc.contributor.authorLiu, CM-
dc.contributor.authorLiu, H-
dc.contributor.authorLiu, J-
dc.contributor.authorLiu, SB-
dc.contributor.authorLiu, WQ-
dc.contributor.authorLiu, Y-
dc.contributor.authorWang, S-
dc.contributor.authorLoparco, F-
dc.contributor.authorLuo, CN-
dc.contributor.authorMa, M-
dc.contributor.authorMa, PX-
dc.contributor.authorMa, T-
dc.contributor.authorMa, XY-
dc.contributor.authorMarsella, G-
dc.contributor.authorMazziotta, MN-
dc.contributor.authorMo, D-
dc.contributor.authorNiu, XY-
dc.contributor.authorWang, XL-
dc.contributor.authorPan, X-
dc.contributor.authorParenti, A-
dc.contributor.authorPeng, WX-
dc.contributor.authorPeng, XY-
dc.contributor.authorPerrina, C-
dc.contributor.authorQiao, R-
dc.contributor.authorRao, JN-
dc.contributor.authorRuina, A-
dc.contributor.authorSalinas, MM-
dc.contributor.authorShang, GZ-
dc.contributor.authorWang, Y-
dc.contributor.authorShen, WH-
dc.contributor.authorShen, ZQ-
dc.contributor.authorShen, ZT-
dc.contributor.authorSilveri, L-
dc.contributor.authorSong, JX-
dc.contributor.authorStolpovskiy, M-
dc.contributor.authorSu, H-
dc.contributor.authorSu, M-
dc.contributor.authorSun, ZY-
dc.contributor.authorSurdo, A-
dc.contributor.authorWang, YF-
dc.contributor.authorTeng, XJ-
dc.contributor.authorTykhonov, A-
dc.contributor.authorWang, H-
dc.contributor.authorWang, JZ-
dc.contributor.authorWang, LG-
dc.contributor.authorWang, YZ-
dc.contributor.authorWang, ZM-
dc.contributor.authorWei, DM-
dc.contributor.authorWei, JJ-
dc.contributor.authorWei, YF-
dc.contributor.authorWen, SC-
dc.contributor.authorChen, ZF-
dc.contributor.authorWu, D-
dc.contributor.authorWu, J-
dc.contributor.authorWu, LB-
dc.contributor.authorWu, SS-
dc.contributor.authorWu, X-
dc.contributor.authorXia, ZQ-
dc.contributor.authorXu, HT-
dc.contributor.authorXu, ZH-
dc.contributor.authorXu, ZL-
dc.contributor.authorXu, ZZ-
dc.contributor.authorCui, MY-
dc.contributor.authorXue, GF-
dc.contributor.authorYang, HB-
dc.contributor.authorYang, P-
dc.contributor.authorYang, YQ-
dc.contributor.authorYao, HJ-
dc.contributor.authorYu, YH-
dc.contributor.authorYuan, GW-
dc.contributor.authorYuan, Q-
dc.contributor.authorYue, C-
dc.contributor.authorZang, JJ-
dc.contributor.authorCui, TS-
dc.contributor.authorZhang, F-
dc.contributor.authorZhang, SX-
dc.contributor.authorZhang, WZ-
dc.contributor.authorZhang, Y-
dc.contributor.authorZhang, YJ-
dc.contributor.authorZhang, YL-
dc.contributor.authorZhang, YP-
dc.contributor.authorZhang, YQ-
dc.contributor.authorZhang, Z-
dc.contributor.authorZhang, ZY-
dc.contributor.authorCui, YX-
dc.contributor.authorZhao, C-
dc.contributor.authorZhao, HY-
dc.contributor.authorZhao, XF-
dc.contributor.authorZhou, CY-
dc.contributor.authorZhu, Y-
dc.contributor.authorDai, HT-
dc.contributor.authorD’Amone, A-
dc.contributor.authorDe Benedittis, A-
dc.contributor.authorDe Mitri, I-
dc.contributor.authorde Palma, F-
dc.contributor.authorDeliyergiyev, M-
dc.contributor.authorDi Santo, M-
dc.contributor.authorDong, TK-
dc.contributor.authorDong, ZX-
dc.contributor.authorDonvito, G-
dc.contributor.authorDroz, D-
dc.contributor.authorDuan, JL-
dc.contributor.authorDuan, KK-
dc.contributor.authorD’Urso, D-
dc.contributor.authorFan, RR-
dc.contributor.authorFan, YZ-
dc.contributor.authorFang, K-
dc.contributor.authorFang, F-
dc.contributor.authorFeng, CQ-
dc.contributor.authorFeng, L-
dc.contributor.authorFusco, P-
dc.contributor.authorGao, M-
dc.contributor.authorGargano, F-
dc.contributor.authorGong, K-
dc.contributor.authorGong, YZ-
dc.contributor.authorGuo, DY-
dc.contributor.authorGuo, JH-
dc.contributor.authorGuo, XL-
dc.contributor.authorHan, SX-
dc.contributor.authorHu, YM-
dc.contributor.authorHuang, GS-
dc.contributor.authorHuang, XY-
dc.contributor.authorHuang, YY-
dc.contributor.authorIonica, M-
dc.contributor.authorJiang, W-
dc.contributor.authorKong, J-
dc.contributor.authorKotenko, A-
dc.contributor.authorKyratzis, D-
dc.contributor.authorLei, SJ-
dc.contributor.authorLi, S-
dc.date.accessioned2021-06-18T14:55:46Z-
dc.date.available2021-06-18T14:55:46Z-
dc.date.issued2021-
dc.identifier.citationPhysical Review Letters, 2021, v. 126 n. 20, p. article no. 201102-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/300698-
dc.description.abstractThe measurement of the energy spectrum of cosmic ray helium nuclei from 70 GeV to 80 TeV using 4.5 years of data recorded by the Dark Matter Particle Explorer (DAMPE) is reported in this work. A hardening of the spectrum is observed at an energy of about 1.3 TeV, similar to previous observations. In addition, a spectral softening at about 34 TeV is revealed for the first time with large statistics and well controlled systematic uncertainties, with an overall significance of 4.3σ. The DAMPE spectral measurements of both cosmic protons and helium nuclei suggest a particle charge dependent softening energy, although with current uncertainties a dependence on the number of nucleons cannot be ruled out.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at https://journals.aps.org/prl/-
dc.relation.ispartofPhysical Review Letters-
dc.rightsCopyright [2021] by The American Physical Society. This article is available online at [http://dx.doi.org/10.1103/PhysRevLett.126.201102].-
dc.titleMeasurement of the Cosmic Ray Helium Energy Spectrum from 70 GeV to 80 TeV with the DAMPE Space Mission-
dc.typeArticle-
dc.identifier.authoritySu, M=rp02150-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevLett.126.201102-
dc.identifier.pmid34110215-
dc.identifier.scopuseid_2-s2.0-85106552466-
dc.identifier.hkuros322981-
dc.identifier.volume126-
dc.identifier.issue20-
dc.identifier.spagearticle no. 201102-
dc.identifier.epagearticle no. 201102-
dc.identifier.isiWOS:000652839100002-
dc.publisher.placeUnited States-

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