Status of the OPERA experiment

被引：1
|
作者：
Russo, A. [1 ]
机构：
[1] Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy
来源：
NUINT11: THE 7TH INTERNATIONAL WORKSHOP ON NEUTRINO-NUCLEUS INTERACTIONS IN THE FEW GEV REGION | 2011年 / 1405卷
关键词：
neutrino; oscillations; EMULSION;
D O I：
10.1063/1.3661598
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The OPERA experiment in the underground Gran Sasso Laboratory (LNGS) has been designed to perform the first detection of neutrino oscillations in direct appearance mode in the muon to tau neutrino channel. The detector is hybrid, being made of an emulsion/lead target and of electronic detectors. It is placed in the CNGS neutrino beam 733 km away from the neutrino source. Runs with CNGS neutrinos were successfully carried out from 2008 and the following years. The analysis of a sample of events corresponding to 1.89x10(19) p.o.t. in the CERN CNGS nu(mu) beam yielded the observation of a first candidate nu(tau) CC interaction. The topology and kinematics of this candidate event is described in detail. The background sources are explained and the significance of the observation of the first nu(tau) event candidate is assessed.
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页数：6
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