4-8 March 2013
Europe/Rome timezone

Measurement of the neutrino velocity with the OPERA detector in the CNGS beam

4 Mar 2013, 15:45


<a href="https://maps.google.com/?ll=45.427428,12.365663&spn=0.001304,0.001635&t=w&z=20">Campo della Chiesa 3, Sant'Elena</a>


Dr Gabriele Sirri (INFN Bologna)


The OPERA neutrino experiment located in the underground Gran Sasso Laboratory measured the velocity of neutrinos composing the CERN CNGS beam over a baseline of about 730 km. Dedicated upgrades of the CNGS timing system and of the OPERA detector, as well as a high precision geodesy campaign for the measurement of the neutrino baseline, allowed to set a limit on the muon neutrino velocity with respect to the speed of light of −1.8 × 10-6 < (vν− c) / c < 2.3 × 10-6 at 90% C.L.

Primary author

Dr Gabriele Sirri (INFN Bologna)

Presentation Materials

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