Search

OPERA is a long baseline neutrino oscillation experiment built to provide the final and unambiguous proof of the neutrino oscillation hypothesis in the atmospheric sector by observing ντ emerging from the CNGS νμ beam. The detector is a hybrid apparatus installed in the Hall C of the underground Gran Sasso National Laboratory in Italy. Runs with CNGS neutrinos were successfully carried out in 2007 and 2008. In this paper the detector and the analysis strategy are briefly described and the status of the analysis of the 2008 run events is discussed. [ABSTRACT FROM AUTHOR]

The KamLAND collaboration recently published the first evidence for reactor antineutrino disappearance. The measured ratio of observed inverse β-decay events to the number expected from standard assumptions about ve propagation is 0.611±0.085(stat)±0.041(syst). Fewer ve’s were seen than expected at the 99.95% confidence level. In the context of two-flavor neutrino oscillations and CPT invariance, this measurement rules out all but the LMA region of solar neutrino oscillation parameter space. I summarize these first results and discuss the prospects for future oscillation measurements at KamLAND. © 2004 American Institute of Physics [ABSTRACT FROM AUTHOR]