Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-05-09
Res.Astron.Astrophys.9:409-421,2009
Astronomy and Astrophysics
Astrophysics
13 pages, 3 figures
Scientific paper
10.1088/1674-4527/9/4/004
Lorentz invariant violation (LIV) test is very important to study in the new physics. All the known astrophysical constraints either have a very small examinable parameter space, or are only suitable for some special theoretical models. Here we suggest that it is possible to detect the time-delay of ultra-high-energy cosmic-rays (UHECRs) directly. We discuss some difficulties in our method, including the intergalactic magnetic fields. It seems that none of them are crucial, hence this method could give a larger examinable parameter space and a stronger constraint on LIV.
Dai Gao Z.
Qiu Cong-Xin
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