Gamma Rays and Neutrinos from the Galactic Plane at the PeV frontier

被引：0
作者：
Luque, Pedro De La Torre [1 ,2 ]
Gaggero, Daniele [3 ,4 ]
Grasso, Dario [5 ]
Marinelli, Antonio [6 ]
机构：
[1] Stockholm Univ, S-10691 Stockholm, Sweden
[2] Alba Nova, Oskar Klein Ctr Cosmoparticle Phys, S-10691 Stockholm, Sweden
[3] Univ Valencia, Inst Fsica Corpuscular, Edificio Inst Invest,Calle Catedratico Jose Beltr, Paterna 46980, Spain
[4] CSIC, Edificio Inst Invest,Calle Catedratico Jose Beltr, Paterna 46980, Spain
[5] Polo Fibonacci, INFN, Sez Pisa, Largo B Pontecorvo 3, I-56127 Pisa, Italy
[6] Univ Napoli Federico II, Complesso Univ Monte S Angelo, Dipartimento Fis Ettore Pancini, I-80126 Naples, Italy
来源：
12TH COSMIC RAY INTERNATIONAL SEMINAR - CRIS 2022 | 2023年 / 2429卷
关键词：
FERMI-LAT; EMISSION; MODEL;
D O I：
10.1088/1742-6596/2429/1/012036
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Tibet AS gamma experiment recently reported the observation of a diffuse gamma-ray emission from the Galactic plane with energy up to the PeV. This finding seems to be confirmed by LHAASO preliminary results. Both measurements provide the first evidence of a diffuse gamma-ray emission throughout the Galaxy up to such high energies. These results have relevant implications for neutrino astronomy since they strengthen the expectation that a neutrino diffuse emission from the Galactic plane could soon be discovered by IceCube and KM3NeT. To explore this possibility we use physically motivated numerical models which reasonably describe the observed gamma-ray diffuse emission angular distribution and spectral energy distribution from few GeV up to the PeV under the hypothesis that is mostly originated by the cosmic ray population of the Galaxy. We will discuss the possible detectability of the associated neutrino emission and the valuable implications it may have for understanding the origin and propagation of cosmic rays.
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