First CNGS events detected by LVD
N. Yu. Agafonova, M. Aglietta, P. Antonioli, G. Bari, A. Bonardi, V., V. Boyarkin, G. Bruno, W. Fulgione, P. Galeotti, M. Garbini, P. L. Ghia, P., Giusti, E. Kemp, V. V. Kuznetsov, V. A. Kuznetsov, A. S. Malguin, H., Menghetti, R. Persiani, A. Pesci, I. A. Pless, A. Porta
TL;DR
This paper reports the first detection of CNGS beam events by the LVD detector, confirming the beam's operation and its expected neutrino interactions over a 12-day period.
Contribution
It presents the first observation of CNGS neutrino events by LVD, validating the beam's performance and detection capabilities during initial operation.
Findings
569 events detected in coincidence with beam spills
Detection matches Monte Carlo simulations
LVD operated successfully during CNGS run
Abstract
The CERN Neutrino to Gran Sasso (CNGS) project aims to produce a high energy, wide band beam at CERN and send it toward the INFN Gran Sasso National Laboratory (LNGS), 732 km away. Its main goal is the observation of the appearance, through neutrino flavour oscillation. The beam started its operation in August 2006 for about 12 days: a total amount of protons were delivered to the target. The LVD detector, installed in hall A of the LNGS and mainly dedicated to the study of supernova neutrinos, was fully operating during the whole CNGS running time. A total number of 569 events were detected in coincidence with the beam spill time. This is in good agreement with the expected number of events from Montecarlo simulations.
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