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# Title: A simple explanation of OPERA results without strange physics

Authors: Gilles Henri
Abstract: We show that OPERA recent results showing an apparent superluminal velocity of muonic neutrinos can find a very simple explanation without any measurement error or any strange physics. Namely, it is enough that the beam composition varies during the leading and the trailing edges to explain an apparent time shift in the detected neutrinos. The order of magnitude of the shift will be the relative variation of the average cross-section times the rising/decaying time, and even a modest change in the composition of the beam could produce the observed effect.
 Comments: 5 pages, 1 figure Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Experiment (hep-ex) Cite as: arXiv:1110.0239 [hep-ph] (or arXiv:1110.0239v1 [hep-ph] for this version)

## Submission history

From: Gilles Henri [view email]
[v1] Sun, 2 Oct 2011 22:18:10 GMT (76kb,D)
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