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Vacuum Cherenkov radiation in quantum electrodynamics with high-energy Lorentz violation
Anselmi, D; Taiuti, M
2011
发表期刊PHYSICAL REVIEW D
卷号83期号:5页码:56010
通讯作者[Anselmi, Damiano] Chinese Acad Sci, Inst High Energy Phys, Beijing 10049, Peoples R China ; [Anselmi, Damiano ; Taiuti, Martina] Univ Pisa, Dipartimento Fis Enrico Fermi, I-56127 Pisa, Italy ; [Taiuti, Martina] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
文章类型Article
摘要We study phenomena predicted by a renormalizable, CPT invariant extension of the standard model that contains higher-dimensional operators and violates Lorentz symmetry explicitly at energies greater than some scale Delta(L). In particular, we consider the Cherenkov radiation in vacuo. In a rather general class of dispersion relations, there exists an energy threshold above which radiation is emitted. The threshold is enhanced in composite particles by a sort of kinematic screening mechanism. We study the energy loss and compare the predictions of our model with known experimental bounds on Lorentz violating parameters and observations of ultrahigh-energy cosmic rays. We argue that the scale of Lorentz violation Delta(L) (with preserved CPT invariance) can be smaller than the Planck scale, actually as small as 10(14)-10(15) GeV. Our model also predicts the Cherenkov radiation of neutral particles.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.83.056010
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000288161400007
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240698
专题实验物理中心
作者单位中国科学院高能物理研究所
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Anselmi, D,Taiuti, M. Vacuum Cherenkov radiation in quantum electrodynamics with high-energy Lorentz violation[J]. PHYSICAL REVIEW D,2011,83(5):56010.
APA Anselmi, D,&Taiuti, M.(2011).Vacuum Cherenkov radiation in quantum electrodynamics with high-energy Lorentz violation.PHYSICAL REVIEW D,83(5),56010.
MLA Anselmi, D,et al."Vacuum Cherenkov radiation in quantum electrodynamics with high-energy Lorentz violation".PHYSICAL REVIEW D 83.5(2011):56010.
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