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4-11 July 2012
Melbourne Convention and Exhibition Centre
Australia/Melbourne timezone
ICHEP2012 - 36th International Conference for High Energy Physics

Status of the OPERA search for muon-neutrino to tau-neutrino oscillations

5 Jul 2012, 15:15
15m
Room 217 (Melbourne Convention and Exhibition Centre)

Room 217

Melbourne Convention and Exhibition Centre

Melbourne Australia
Parallel Sessions Track 8. Neutrinos TR 8 - Neutrinos RM 219

Speaker

Dr Marilisa De Serio (INFN (IT))

Description

The OPERA neutrino detector built in the underground Gran Sasso Laboratory is designed to detect muon-neutrino to tau-neutrino oscillations in direct appearance mode. The hybrid apparatus consists of an emulsion/lead target complemented by electronic detectors. It is placed in the long-baseline CERN to Gran Sasso neutrino beam (CNGS) 730 km away from the source. The running of the experiment and the extraction of data recorded in the emulsion will be described, with the special procedures used to locate the interactions vertices and detect short decay topologies. OPERA is taking data since 2008 and a first nu-tau interaction candidate has been published in 2010. After publication of the results of the nu-tau search in the 2008 and 2009 data, a much larger amount of new data has been accumulated and the analysis scheme was improved including more detailed simulations at the emulsion level. New results with increased statistics will be presented.

Primary authors

Collaboration OPERA (Publications and talks Board) Dr Marilisa De Serio (INFN (IT))

Presentation materials