Features of the Energy Spectrum of Cosmic Rays above 2.5 × 10(18) eV Using the Pierre Auger Observatory
Metadatos
Mostrar el registro completo del ítemEditorial
Amer Physical Soc
Fecha
2020-09-16Referencia bibliográfica
Aab, A., Abreu, P., Aglietta, M., Albury, J. M., Allekotte, I., Almela, A., ... & Anchordoqui, L. (2020). Features of the Energy Spectrum of Cosmic Rays above 2.5× 10 18 eV Using the Pierre Auger Observatory. Physical Review Letters, 125(12), 121106. [doi:10.1103/PhysRevLett.125.121106]
Patrocinador
Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) 2019/10151-2 2010/07359-6 1999/05404-3; Czech Republic Grant MSMT CR LTT18004 LM2015038 LM2018102 CZ.02.1.01/0.0/0.0/16_013/0001402 CZ.02.1.01/0.0/0.0/18_046/0016010 CZ.02.1.01/0.0/0.0/17_049/0008422; French National Research Agency (ANR) LABEX ANR-10-LABX-63 ANR11-IDEX-0004-02; Consejo Nacional de Ciencia y Tecnologia (CONACyT) 167733; SURF Cooperative; Poland-Ministry of Science and Higher Education DIR/WK/2018/11; National Science Center, Poland National Science Centre, Poland 2013/08/M/ST9/00322 2016/23/B/ST9/01635 HARMONIA 5-2013/10/M/ST9/00062 UMO-2016/22/M/ST9/00198; Portugal-Portuguese national funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE); FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE); Program Nucleu within MCI within PNCDI III PN19150201/16N/2019 PN19060102 PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018; Slovenia-Slovenian Research Agency P1-0031 P1-0385 I00033 N1-0111; Spain-Ministerio de Economía, Industria y Competitividad FPA2017-85114-P FPA2017-85197-P; Xunta de Galicia ED431C 2017/07; Junta de Andalucía SOMM17/6104/UGR; Feder Funds, RENATA Red Nacional Tematica de Astroparticulas FPA2015-68783-REDT; Maria de Maeztu Unit of Excellence MDM-2016-0692; United States Department of Energy (DOE) DE-AC0207CH11359 DE-FR02-04ER41300 DE-FG0299ER41107 DE-SC0011689; National Science Foundation (NSF) 0450696Resumen
2.51 0.03ðstatÞ 0.05ðsystÞ to 3.05 0.05ðstatÞ 0.10ðsystÞ, evolving to 5.1 0.3ðstatÞ 0.1ðsystÞ
beyond 5 × 1019 eV, while no significant dependence of spectral features on the declination is seen in the
accessible range. These features of the spectrum can be reproduced in models with energy-dependent mass
composition. The energy density in cosmic rays above 5×1018 eV is ½5.66 0.03ðstatÞ 1.40ðsystÞ ×
1053 ergMpc−3