On the PeV knee of the cosmic ray spectrum and the TeV cutoff of the electron spectrum

doi:10.1103/PhysRevD.97.123005

CORC > 高能物理研究所 > 中国科学院高能物理研究所 > 粒子天体物理中心

	On the PeV knee of the cosmic ray spectrum and the TeV cutoff of the electron spectrum
	Jin, C; Jin C(靳超); Liu W(刘伟); Hu HB(胡红波); Guo YQ(郭义庆); Guo, YQ; Hu, HB; Liu, W
刊名	PHYSICAL REVIEW D
	2018
卷号	97 期号:12 页码:123005
ISSN号	2470-0010
DOI	10.1103/PhysRevD.97.123005
文献子类	Article
英文摘要	Spectra of cosmic rays (CRs), and particularly their features, contain a lot of important information about the astroparticle physics and the fundamental physics. Realizing that the 4 PeV knee of CR nuclei and the 1 TeV spectral cutoff of the electron share almost the same Lorentz factor, we propose that CRs experience a threshold interaction with a new light particle X abundant in the Galaxy. The interaction CR + X -> CR thorn X' can take place when the effective energy is sufficient to convert it into another heavier unknown particle X' (as a representative to all possible threshold inelastic interactions). Under this scenario, we can reproduce the spectral break for both the nuclei and the electron and predict a zigzag spectrum for them. Given that there are great uncertainties in experiments, our model accommodates a wide mass range of the X from the ultralow value to around 1 eV.
电子版国际标准刊号	2470-0029
WOS关键词	WIDE ENERGY-RANGE ; SUPERNOVA-REMNANTS ; DARK-MATTER ; PULSARS ; ACCELERATION ; TRANSPORT ; EXCESS ; GALAXY
WOS研究方向	Astronomy & Astrophysics ; Physics
语种	英语
WOS记录号	WOS:000435080200002
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/286027]
专题	高能物理研究所_粒子天体物理中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Jin, C,Jin C,Liu W,et al. On the PeV knee of the cosmic ray spectrum and the TeV cutoff of the electron spectrum[J]. PHYSICAL REVIEW D,2018,97(12):123005.
APA	Jin, C.,靳超.,刘伟.,胡红波.,郭义庆.,...&Liu, W.(2018).On the PeV knee of the cosmic ray spectrum and the TeV cutoff of the electron spectrum.PHYSICAL REVIEW D,97(12),123005.
MLA	Jin, C,et al."On the PeV knee of the cosmic ray spectrum and the TeV cutoff of the electron spectrum".PHYSICAL REVIEW D 97.12(2018):123005.