E. A. Bogomolov, G. I. Vasilyev, W. Menn, O. Adriani, G. A. Bazilevskaya, G. C. Barbarino, R. Bellotti, M. Boezio, V. Bonvicini, M. Bongi, S. Bottai, A. Bruno, A. Vacchi, E. Vannuccini, S. A. Voronov, A. M. Galper, C. De Santis, V. Di Felice, G. Zampa, N. Zampa, M. Casolino, D. Campana, P. Carlson, G. Castellini, F. Cafagna, A. A. Kvashnin, A. N. Kvashnin, S. A. Koldobskiy, I. A. Lagoida, A. A. Leonov, A. G. Mayorov, V. V. Malakhov, M. Martucci, L. Marcelli, M. Merge, V. V. Mikhailov, E. Mocchiutti, A. Monaco, N. Mori, R. Munini, G. Osteria, B. Panico, P. Papini, P. Picozza, M. Ricci, S. B. Ricciarini, M. Simon, R. Sparvoli, P. Spillantini, Yu. I. Stozhkov, Yu. T. Yurkin
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引用次数: 0
摘要
摘要在这项工作中，利用2006-2014年PAMELA空间实验中关于探测到的核子的刚性及其速度（飞行时间分析和仪器多层量热计中的电离损耗）的数据，对银河宇宙射线（GCR）刚性1-5 GV（核能量0.1-1.5 GeV/核子）范围内的硼核（B）同位素组成进行了新的分析。PAMELA 实验的新结果扩大了先前测量的能量范围，与现有的少数数据一致，并表明 B 同位素比率偏离了 GCR 的 GALPROP 模拟数据，类似于 PAMELA 数据中 Li 和 Be 同位素的偏离，这可以解释为在 GCR 背景下观测到来自附近（数百个奇秒）超新星爆炸的几个本地源的证据。
In this work, a new analysis of the isotopic composition of boron nuclei (B) in galactic cosmic rays (GCRs) in the range of rigidities of 1–5 GV (nuclear energies 0.1–1.5 GeV/nucleon) was carried out using data from the PAMELA space experiment 2006–2014 on the rigidity of detected nuclei and their velocity (time-of-flight analysis and ionization losses in the instrument’s multilayer calorimeter). The new results of the PAMELA experiment expand the energy range of previous measurements, are consistent with the few existing data, and indicate deviations of the B isotope ratios from the GALPROP simulation data for the GCR, similar to the deviations for the Li and Be isotopes in the PAMELA data, which can be interpreted as evidence of observation against the background of the GCR of the contribution of several local sources from explosions of nearby (hundreds of parsecs) supernovae.
期刊介绍：
Physics of Atomic Nuclei is a journal that covers experimental and theoretical studies of nuclear physics: nuclear structure, spectra, and properties; radiation, fission, and nuclear reactions induced by photons, leptons, hadrons, and nuclei; fundamental interactions and symmetries; hadrons (with light, strange, charm, and bottom quarks); particle collisions at high and superhigh energies; gauge and unified quantum field theories, quark models, supersymmetry and supergravity, astrophysics and cosmology.
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