Quantum-gravity-induced dual lensing and IceCube neutrinos

被引：9

作者：

Amelino-Camelia, Giovanni ^{[1
,2
]}

Barcaroli, Leonardo ^{[1
]}

D'Amico, Giacomo ^{[1
,2
]}

Loret, Niccolo ^{[3
]}

Rosati, Giacomo ^{[4
]}

机构：

[1] Univ Roma La Sapienza, Dipartimento Fis, Ple A Moro 2, I-00185 Rome, Italy

[2] Ist Nazl Fis Nucl, Sez Roma1, Ple A Moro 2, I-00185 Rome, Italy

[3] Inst Ruder Boskovic, Div Theoret Phys, Bijenicka Cesta 54, Zagreb 10000, Croatia

[4] Univ Wroclaw, Inst Theoret Phys, Pl Maksa Borna 9, PL-50204 Wroclaw, Poland

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2017年 / 26卷 / 08期

关键词：

Quantum gravity; IceCube neutrinos; GAMMA-RAY BURSTS; LORENTZ INVARIANCE VIOLATION; SPACETIME; LOCALITY;

D O I：

10.1142/S0218271817500766

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Momentum-space curvature, which is expected in some approaches to the quantum-gravity problem, can produce dual redshift, a feature which introduces energy dependence of the travel times of ultrarelativistic particles, and dual lensing, a feature which mainly affects the direction of observation of particles. In our recent paper [Phys. Lett. B 761 (2016) 318, arXiv:1605.00496.], we explored the possibility that dual redshift might be relevant in the analysis of IceCube neutrinos, obtaining results which are preliminarily encouraging. Here, we explore the possibility that also dual lensing might play a role in the analysis of IceCube neutrinos. In doing so, we also investigate issues which are of broader interest, such as the possibility of estimating the contribution by background neutrinos and some noteworthy differences between candidate "early neutrinos" and candidate "late neutrinos".

引用

页数：20

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