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The OPERA collaboration has claimed the discovery of supeluminal neutrino propagation. However the superluminal interpretation of the OPERA result was refuted by Cohen and Glashow because it was shown that such superluminal neutrinos would…

High Energy Physics - Phenomenology · Physics 2011-10-12 Irina Ya. Aref'eva , Igor V. Volovich

The OPERA collaboration has reported the observation of superluminal muon neutrinos, whose speed $v_\nu$ exceeds that of light $c$, with $(v_\nu - c)/c \simeq 2.5 \times 10^{-5}$. In a recent work, Cohen and Glashow (CG) have refuted this…

High Energy Physics - Phenomenology · Physics 2015-05-30 Hooman Davoudiasl , Thomas G. Rizzo

In this work we consider a possible conceptual similarity between recent, amazing OPERA experiment of the superluminal propagation of neutrino and experiment of the gain-assisted superluminal light propagation realized about ten years ago.…

General Physics · Physics 2011-10-04 Vladan Pankovic

This report presents a brief review on the experimental measurements of the muon neutrino velocities from the OPERA, Fermilab and MINOS experiments and that of the (anti)-electron neutrino velocities from the supernova SN1987A, and…

High Energy Physics - Phenomenology · Physics 2012-01-27 Bo-Qiang Ma

OPERA has claimed the discovery of superluminal propagation of neutrinos. We analyze the consistency of this claim with previous tests of special relativity. We find that reconciling the OPERA measurement with information from SN1987a and…

High Energy Physics - Phenomenology · Physics 2015-05-30 Gian F. Giudice , Sergey Sibiryakov , Alessandro Strumia

The OPERA collaboration has announced to have observed superluminal neutrinos with a mean energy 17.5 GeV, but afterward the superluminal interpretation of the OPERA results has been refuted theoretically by Cherenkov-like radiation and…

High Energy Physics - Phenomenology · Physics 2015-06-03 Ichiro Oda

We analyze the possibility of superluminal neutrino propagation delta v = (v - c)/c > 0 as indicated by OPERA data, in view of previous phenomenological constraints from supernova SN1987a and gravitational Cerenkov radiation. We argue that…

High Energy Physics - Phenomenology · Physics 2015-05-30 Jean Alexandre , John Ellis , Nick E. Mavromatos

In a recent study, Cohen and Glashow argue that superluminal neutrinos of the type recently reported by OPERA should be affected by anomalous Cherenkov-like processes. This causes them to loose much of their energy before reaching the OPERA…

High Energy Physics - Phenomenology · Physics 2015-05-30 Giovanni Amelino-Camelia , Laurent Freidel , Jerzy Kowalski-Glikman , Lee Smolin

We investigate the possibility of explaining the propagation of neutrinos measured by the OPERA experiment with $\delta v_\nu=(v_\nu-c_0)/c_0$, where $c_0$ is the speed of light in vacuum, using a bimetric relativity model. The geometry of…

High Energy Physics - Phenomenology · Physics 2011-10-13 J. W. Moffat

Recently it was suggested that the observation of superluminal neutrinos by the OPERA collaboration may be due to group velocity effects resulting from close-to-maximal oscillation between neutrino mass eigenstates, in analogy to known…

High Energy Physics - Phenomenology · Physics 2012-03-20 Tim R. Morris

The OPERA collabotation has reported evidence of superluminal neutrinos with a mean energy 17.5 GeV ranging up to 50 GeV. However, the superluminal interpretation of the OPERA results has been recently refuted theoretically by…

High Energy Physics - Phenomenology · Physics 2011-11-01 Ichiro Oda , Hajime Taira

Most recently, the measurement of the neutrino velocity with the OPERA detector in the CNGS beam shows unexpected indication, that the muon neutrino velocity, $v_{\nu}$, exceeds the velocity of light in the vacuum, $c$, which is obviously…

High Energy Physics - Phenomenology · Physics 2012-03-27 Nan Qin , Bo-Qiang Ma

This is a brief note discussing the energy dependence of superluminal neutrino velocities recently claimed by OPERA [1,2]. The analysis is based on the data provided there on this issue, as well as on consistency with neutrino data from…

High Energy Physics - Phenomenology · Physics 2011-10-25 N. D. Hari Dass

Based on the developed cross-correlation theory for remote location of neutrino source with two-detector setup for neutrino detection the modification of arrangement of the OPERA experiment is suggested. Within the framework of computing…

Data Analysis, Statistics and Probability · Physics 2012-04-25 V. D. Rusov , V. I. Vysotskii , V. A. Tarasov , I. V. Sharph , V. P. Smolyar , T. N. Zelentsova , K. K. Merkotan , E. P. Linnik , M. E. Beglaryan

The velocity anomaly recently reported by the OPERA collaboration appears strikingly at odds with the theory of special relativity. I offer a reinterpretation which removes this conflict, to wit that neutrinos yield a truer measurement of…

High Energy Physics - Phenomenology · Physics 2011-12-07 Susan Gardner

The authors of the OPERA experiment [arXiv:1109.4897] claim that "the measurement indicates an early arrival time of CNGS muon neutrinos with respect to the one computed assuming the speed of light in vacuum". In this note we analyze the…

High Energy Physics - Phenomenology · Physics 2011-10-25 H. Bergeron

We argue that the recent measurement of the neutrino velocity to be higher than the velocity of light could be due to violation of Lorentz invariance by the muon neutrinos. This result need not undermine special-relativistic foundational…

High Energy Physics - Phenomenology · Physics 2011-10-07 Robert B. Mann , Utpal Sarkar

Recently the OPERA collaboration {\cite{opera}} has reported the observation of superluminal neutrinos traveling a distance of 730 km from Grand Sasso Laboratory to CERN.These results contradict the basic tenet of the Theory of Special…

High Energy Physics - Phenomenology · Physics 2011-12-13 Jorge Alfaro

The OPERA Collaboration reported evidence for muonic neutrinos traveling slightly faster than light in vacuum. While waiting further checks from the experimental community, here we aim at exploring some theoretical consequences of the…

High Energy Physics - Phenomenology · Physics 2015-05-30 Alessandro Drago , Isabella Masina , Giuseppe Pagliara , Raffaele Tripiccione

In this letter, we show that superluminal neutrinos announced by OPERA could be explained by the existence of a monopole, which is left behind after the spontaneous symmetry breaking (SSB) phase transition of some scalar fields in the…

High Energy Physics - Phenomenology · Physics 2011-10-10 Peng Wang , Houwen Wu , Haitang Yang
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