First Detection of sub-PeV Diffuse Gamma Rays from the Galactic Disk: Evidence for Ubiquitous Galactic Cosmic Rays beyond PeV Energies.

M, Amenomori; YW, Bao; XJ, Bi; D, Chen; TL, Chen; WY, Chen; X, Chen; Y, Chen; , Cirennima; SW, Cui; , Danzengluobu; LK, Ding; JH, Fang; K, Fang; CF, Feng; Z, Feng; ZY, Feng; Q, Gao; QB, Gou; YQ, Guo; YY, Guo; HH, He; ZT, He; K, Hibino; N, Hotta; H, Hu; HB, Hu; J, Huang; HY, Jia; L, Jiang; HB, Jin; K, Kasahara; Y, Katayose; C, Kato; S, Kato; K, Kawata; W, Kihara; Y, Ko; M, Kozai; , Labaciren; GM, Le; AF, Li; HJ, Li; WJ, Li; YH, Lin; B, Liu; C, Liu; JS, Liu; MY, Liu; W, Liu; YQ, Lou; H, Lu; XR, Meng; K, Munakata; H, Nakada; Y, Nakamura; H, Nanjo; M, Nishizawa; M, Ohnishi; T, Ohura; S, Ozawa; XL, Qian; XB, Qu; T, Saito; M, Sakata; TK, Sako; J, Shao; M, Shibata; A, Shiomi; H, Sugimoto; W, Takano; M, Takita; YH, Tan; N, Tateyama; S, Torii; H, Tsuchiya; S, Udo; H, Wang; HR, Wu; L, Xue; Y, Yamamoto; Z, Yang; Y, Yokoe; AF, Yuan; LM, Zhai; HM, Zhang; JL, Zhang; X, Zhang; XY, Zhang; Y, Zhang; Y, Zhang; Y, Zhang; SP, Zhao; , Zhaxisangzhu; XX, Zhou

doi:10.1103/physrevlett.126.141101

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First Detection of sub-PeV Diffuse Gamma Rays from the Galactic Disk: Evidence for Ubiquitous Galactic Cosmic Rays beyond PeV Energies.

Shared by NobleBlocks on Apr 1, 2021 • 12:00 AM UTC

Authors:

Amenomori M

Bao YW

Bi XJ

Abstract

We report, for the first time, the long-awaited detection of diffuse gamma rays with energies between 100 TeV and 1 PeV in the Galactic disk. Particularly, all gamma rays above 398 TeV are observed apart from known TeV gamma-ray sources and compatible with expectations from the hadronic emission sce...

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