English
Related papers

Related papers: Variations on KamLAND: likelihood analysis and fre…

200 papers

A maximum likelihood approach has been used to analize the first results from KamLAND emphasizing the application of this method for low statistics samples. The goodness of fit has been determined exploiting a simple Monte Carlo approach in…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Ianni

We comment on the first indication of geo-neutrino events from KamLAND and on the prospects for understanding Earth energetics. Practically all models of terrestrial heat production are consistent with data within the presently limited…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Fiorentini , T. Lasserre , M. Lissia , B. Ricci , S. Schonert

The Kamioka Liquid scintillator Anti-Neutrino Detector (KamLAND) is sensitive to the neutrino event spectrum from (mainly Japanese) nuclear reactors in both the energy domain and the time domain. While the energy spectrum of KamLAND events…

High Energy Physics - Phenomenology · Physics 2009-10-07 G. L. Fogli , E. Lisi , A. Palazzo , A. M. Rotunno

The primary goal of KamLAND is a search for the oscillation of $\bar{\nu}_{\rm e}$$'$s emitted from distant power reactors. The long baseline, typically 180 km, enables KamLAND to address the oscillation solution of the solar neutrino…

High Energy Physics - Experiment · Physics 2015-06-22 Atsuto Suzuki

We study in detail the power of the reactor experiment kamLAND for discriminating existing solutions to the SNP and giving accurate information on neutrino masses and mixing angles. Assuming the expected signal corresponding to various…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Aliani , V. Antonelli , M. Picariello , E. Torrente-Lujan

In this paper I give an overview of the status of neutrino oscillation experiments performed using nuclear reactors as sources of neutrinos. I review the present generation of experiments (Chooz and Palo Verde) with baselines of about 1 km…

High Energy Physics - Experiment · Physics 2009-10-31 Giorgio Gratta

KamLAND is a massive liquid-scintillator-based neutrino detector studying low energy neutrino oscillation. The experiment has discovered a large deficit of the reactor neutrino flux with baseline of 180km in the year 2002. This result is…

Instrumentation and Detectors · Physics 2019-08-14 F. Suekane , T. Iwamoto , H. Ogawa , O. Tajima , H. Watanabe

KamLAND is a reactor neutrino oscillation experiment with a very long baseline. This experiment successfully measured oscillation phenomena of reactor antineutrinos coming mainly from 53 reactors in Japan. In order to extract the results,…

Data Analysis, Statistics and Probability · Physics 2008-11-26 K. Nakajima , K. Inoue , K. Owada , F. Suekane , A. Suzuki , G. Hirano , S. Kosaka , T. Ohta , H. Tanaka

We present results of a study of neutrino oscillation based on a 766 ton-year exposure of KamLAND to reactor anti-neutrinos. We observe 258 \nuebar\ candidate events with energies above 3.4 MeV compared to 365.2 events expected in the…

High Energy Physics - Experiment · Physics 2012-08-27 The KamLAND Collaboration

We use the recent KamLAND observations to predict the solar antineutrino spectrum at some confidence limits. We find that a scaling of the antineutrino probability with respect to the magnetic field profile --in the sense that the same…

High Energy Physics - Phenomenology · Physics 2014-11-17 Bhag C. Chauhan , Joao Pulido , E. Torrente-Lujan

KamLAND has been used to measure the flux of $\bar{\nu}_e$'s from distant nuclear reactors. In an exposure of 162 ton$\cdot$yr (145.1 days) the ratio of the number of observed inverse $\beta$-decay events to the expected number of events…

High Energy Physics - Experiment · Physics 2012-08-27 KamLAND Collaboration

We explore the impact of the data from the KamLAND experiment in constraining neutrino mass and mixing angles involved in solar neutrino oscillations. In particular we discuss the precision with which we can determine the the mass squared…

High Energy Physics - Phenomenology · Physics 2009-11-10 Srubabati Goswami , Abhijit Bandyopadhyay , Sandhya Choubey

We discuss a new method to extract neutrino signals in low energy experiments. In this scheme the symmetric nature of most backgrounds allows for direct cancellation from data. The application of this technique to the Palo Verde reactor…

High Energy Physics - Experiment · Physics 2009-10-31 Y-F. Wang , L. Miller , G. Gratta

We present a Monte Carlo analysis in terms of neutrino oscillations of the total rates measured in solar neutrino experiments in the framework of frequentist statistics. We show that the goodness of fit and the confidence level of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. V. Garzelli , C. Giunti

We do a re-analysis to asses the impact of the results of the Borexino experiment and the recent 2.8 KTy KamLAND data on the solar neutrino oscillation parameters. The current Borexino results are found to have no impact on the allowed…

High Energy Physics - Phenomenology · Physics 2008-05-01 Abhijit Bandyopadhyay , Sandhya Choubey , Srubabati Goswami , S. T. Petcov , D. P. Roy

However the allowed range of $\theta_{\odot}$ ($\theta_{12}$) did not change much with the inclusion of the KamLAND results. In this paper we probe if future data from KamLAND can increase the accuracy of the allowed range in…

High Energy Physics - Phenomenology · Physics 2009-11-10 Abhijit Bandyopadhyay , Sandhya Choubey , Srubabati Goswami

We consider the impact of the recent KamLAND data on neutrino oscillations, the first terrestrial neutrino experiment that can probe the solar neutrino anomaly. By combining the first 145.1 days of KamLAND data with the full sample of…

High Energy Physics - Phenomenology · Physics 2009-09-17 M. Maltoni , T. Schwetz , J. W. F. Valle

The main goal of the KamLAND reactor electron anti-neutrino experiment is a search for electron anti-neutrino oscillation using inverse-beta decay reaction in 1,000 ton of ultra-pure liquid scintillator. The data-set is 1490.8 days from…

High Energy Physics - Experiment · Physics 2019-08-13 Koichi Ichimura

The KamLAND experiment has determined a precise value for the neutrino oscillation parameter $\Delta m^{2}_{21}$ and stringent constraints on $\theta_{12}$. The exposure to nuclear reactor anti-neutrinos is increased almost fourfold over…

High Energy Physics - Experiment · Physics 2012-08-27 The KamLAND Collaboration
‹ Prev 1 2 3 10 Next ›