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The results of the third phase of the Super-Kamiokande solar neutrino measurement are presented and compared to the first and second phase results. With improved detector calibrations, a full detector simulation, and improved analysis…

High Energy Physics - Experiment · Physics 2012-12-24 K. Abe , Y. Hayato , T. Iida , M. Ikeda , C. Ishihara , K. Iyogi , J. Kameda , K. Kobayashi , Y. Koshio , Y. Kozuma , M. Miura , S. Moriyama , M. Nakahata , S. Nakayama , Y. Obayashi , H. Ogawa , H. Sekiya , M. Shiozawa , Y. Suzuki , A. Takeda , Y. Takenaga , K. Ueno , K. Ueshima , H. Watanabe , S. Yamada , T. Yokozawa , S. Hazama , H. Kaji , T. Kajita , K. Kaneyuki , T. McLachlan , K. Okumura , Y. Shimizu , N. Tanimoto , M. R. Vagins , L. Labarga , L. M Magro , F. Dufour , E. Kearns , M. Litos , J. L. Raaf , J. L. Stone , L. R. Sulak , W. Wang , M. Goldhaber , K. Bays , D. Casper , J. P. Cravens , W. R. Kropp , S. Mine , C. Regis , A. Renshaw , M. B. Smy , H. W. Sobel , K. S. Ganezer , J. Hill , W. E. Keig , J. S. Jang , J. Y. Kim , I. T. Lim , J. Albert , R. Wendell , T. Wongjirad , K. Scholberg , C. W. Walter , T. Ishizuka , S. Tasaka , J. G. Learned , S. Matsuno , Y. Watanabe , T. Hasegawa , T. Ishida , T. Ishii , T. Kobayashi , T. Nakadaira , K. Nakamura , K. Nishikawa , H. Nishino , Y. Oyama , K. Sakashita , T. Sekiguchi , T. Tsukamoto , A. T. Suzuki , Y. Takeuchi , A. Minamino , T. Nakaya , Y. Fukuda , Y. Itow , G. Mitsuka , T. Tanaka , C. K. Jung , G. Lopez , C. McGrew , R. Terri , C. Yanagisawa , N. Tamura , H. Ishino , A. Kibayashi , S. Mino , T. Mori , M. Sakuda , H. Toyota , Y. Kuno , M. Yoshida , S. B. Kim , B. S. Yang , T. Ishizuka , H. Okazawa , Y. Choi , K. Nishijima , Y. Yokosawa , M. Koshiba , Y. Totsuka , M. Yokoyama , S. Chen , Y. Heng , Z. Yang , H. Zhang , D. Kielczewska , P. Mijakowski , K. Connolly , M. Dziomba , E. Thrane , R. J. Wilkes

We propose to exploit the angular distribution of the positrons emitted in the inverse beta decay to extract a possible antineutrino signal from the Superkamiokande background. From the statistics collected in just 101.9 days one obtains a…

Astrophysics · Physics 2009-10-30 G. Fiorentini , M. Moretti , F. L. Villante

We present an analysis of the global neutrino oscillation data including the LSND result in terms of four-neutrino mass schemes and a CPT violating three-neutrino framework. We find that the strong preference of oscillations into active…

High Energy Physics - Phenomenology · Physics 2007-05-23 Thomas Schwetz

When solar neutrino and KamLAND data are analyzed separately one finds that, even though allowed regions of neutrino parameters overlap, the values of $\delta m^2$ and the mixing angle $\theta_{12}$ at the $\chi^2$ minima are different. We…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. B. Balantekin , D. Yilmaz

Here we update our previous global fit of neutrino oscillations by including the recent results which have appeared since the Neutrino-2012 conference. These include the measurements of reactor anti-neutrino disappearance reported by Daya…

High Energy Physics - Phenomenology · Physics 2014-11-26 D. V. Forero , M. Tortola , J. W. F. Valle

We review the status of the neutrino oscillation physics (as of June 2003), with a particular emphasis on the present knowledge of the neutrino mass-mixing parameters in a three generation approach. We consider first the nu_mu-->nu_tau…

High Energy Physics - Phenomenology · Physics 2009-11-10 G. L. Fogli , E. Lisi , A. Marrone , D. Montanino , A. Palazzo , A. M. Rotunno

This paper introduces a novel, high-intensity source of electron antineutrinos from the production and subsequent decay of 8Li. When paired with an existing ~1 kton scintillator-based detector, this <E_\nu>=6.4 MeV source opens a wide range…

The Daya Bay reactor neutrino experiment is the first experiment that measured a non-zero value for the neutrino mixing angle $\theta_{13}$ in 2012. Antineutrinos from six 2.9 GW$_{\text{th}}$ reactors are detected in eight identically…

High Energy Physics - Experiment · Physics 2024-09-24 Jinjing Li

We present the constraints on neutrino oscillation parameters $\Delta m^2_{\odot}$ and $\theta_{\odot}$ governing the solar neutrino oscillations from two generation analysis of solar and KamLAND data. We include the latest 766.3 ton year…

High Energy Physics - Phenomenology · Physics 2014-11-18 Srubabati Goswami , Abhijit Bandyopadhyay , Sandhya Choubey

We deployed a small, 80kg, antineutrino detector based on solid plastic scintillator, called MiniCHANDLER for nearly three months at a distance of 25m from a 2.9GW thermal power reactor core at the North Anna Nuclear Generating Station. We…

Instrumentation and Detectors · Physics 2020-03-18 Alireza Haghighat , Patrick Huber , Shengchao Li , Jonathan M. Link , Camillo Mariani , Jaewon Park , Tulasi Subedi

The time variation of the elastic scattering rate of solar neutrinos with electrons in Super-Kamiokande-I was fit to the day/night variations expected from active two-neutrino oscillations in the Large Mixing Angle region. Combining…

High Energy Physics - Experiment · Physics 2019-08-14 Michael Burghard Smy

This Letter reports an improved search for light sterile neutrino mixing in the electron antineutrino disappearance channel with the full configuration of the Daya Bay Reactor Neutrino Experiment. With an additional 404 days of data…

High Energy Physics - Experiment · Physics 2016-10-12 The Daya Bay collaboration , F. P. An , A. B. Balantekin , H. R. Band , M. Bishai , S. Blyth , D. Cao , G. F. Cao , J. Cao , W. R. Cen , Y. L. Chan , J. F. Chang , L. C. Chang , Y. Chang , H. S. Chen , Q. Y. Chen , S. M. Chen , Y. X. Chen , Y. Chen , J. -H. Cheng , J. Cheng , Y. P. Cheng , Z. K. Cheng , J. J. Cherwinka , M. C. Chu , A. Chukanov , J. P. Cummings , J. de Arcos , Z. Y. Deng , X. F. Ding , Y. Y. Ding , M. V. Diwan , M. Dolgareva , J. Dove , D. A. Dwyer , W. R. Edwards , R. Gill , M. Gonchar , G. H. Gong , H. Gong , M. Grassi , W. Q. Gu , M. Y. Guan , L. Guo , R. P. Guo , X. H. Guo , Z. Guo , R. W. Hackenburg , R. Han , S. Hans , M. He , K. M. Heeger , Y. K. Heng , A. Higuera , Y. K. Hor , Y. B. Hsiung , B. Z. Hu , T. Hu , W. Hu , E. C. Huang , H. X. Huang , X. T. Huang , P. Huber , W. Huo , G. Hussain , D. E. Jaffe , P. Jaffke , K. L. Jen , S. Jetter , X. P. Ji , X. L. Ji , J. B. Jiao , R. A. Johnson , J. Joshi , L. Kang , S. H. Kettell , S. Kohn , M. Kramer , K. K. Kwan , M. W. Kwok , T. Kwok , T. J. Langford , K. Lau , L. Lebanowski , J. Lee , J. H. C. Lee , R. T. Lei , R. Leitner , J. K. C. Leung , C. Li , D. J. Li , F. Li , G. S. Li , Q. J. Li , S. Li , S. C. Li , W. D. Li , X. N. Li , Y. F. Li , Z. B. Li , H. Liang , C. J. Lin , G. L. Lin , S. Lin , S. K. Lin , Y. -C. Lin , J. J. Ling , J. M. Link , L. Littenberg , B. R. Littlejohn , D. W. Liu , J. L. Liu , J. C. Liu , C. W. Loh , C. Lu , H. Q. Lu , J. S. Lu , K. B. Luk , Z. Lv , Q. M. Ma , X. Y. Ma , X. B. Ma , Y. Q. Ma , Y. Malyshkin , D. A. Martinez Caicedo , K. T. McDonald , R. D. McKeown , I. Mitchell , M. Mooney , Y. Nakajima , J. Napolitano , D. Naumov , E. Naumova , H. Y. Ngai , Z. Ning , J. P. Ochoa-Ricoux , A. Olshevskiy , H. -R. Pan , J. Park , S. Patton , V. Pec , J. C. Peng , L. Pinsky , C. S. J. Pun , F. Z. Qi , M. Qi , X. Qian , N. Raper , J. Ren , R. Rosero , B. Roskovec , X. C. Ruan , H. Steiner , G. X. Sun , J. L. Sun , W. Tang , D. Taychenachev , K. Treskov , K. V. Tsang , C. E. Tull , N. Viaux , B. Viren , V. Vorobel , C. H. Wang , M. Wang , N. Y. Wang , R. G. Wang , W. Wang , X. Wang , Y. F. Wang , Z. Wang , Z. Wang , Z. M. Wang , H. Y. Wei , L. J. Wen , K. Whisnant , C. G. White , L. Whitehead , T. Wise , H. L. H. Wong , S. C. F. Wong , E. Worcester , C. -H. Wu , Q. Wu , W. J. Wu , D. M. Xia , J. K. Xia , Z. Z. Xing , J. Y. Xu , J. L. Xu , Y. Xu , T. Xue , C. G. Yang , H. Yang , L. Yang , M. S. Yang , M. T. Yang , M. Ye , Z. Ye , M. Yeh , B. L. Young , Z. Y. Yu , S. Zeng , L. Zhan , C. Zhang , H. H. Zhang , J. W. Zhang , Q. M. Zhang , X. T. Zhang , Y. M. Zhang , Y. X. Zhang , Y. M. Zhang , Z. J. Zhang , Z. Y. Zhang , Z. P. Zhang , J. Zhao , Q. W. Zhao , Y. B. Zhao , W. L. Zhong , L. Zhou , N. Zhou , H. L. Zhuang , J. H. Zou

We present an alternative fit to the conventional solar+KamLAND one which takes into account the possible time dependence of the Ga data and relies on the partial conversion of active $\to$ sterile neutrinos via the magnetic moment/solar…

High Energy Physics - Phenomenology · Physics 2008-11-26 Joao Pulido , Bhag Chauhan , Marco Picariello

The $\nuebar$ flux and spectrum have been measured at a distance of about 800 m from the reactors of the Palo Verde Nuclear Generating Station using a segmented Gd-loaded liquid scintillator detector. Correlated positron-neutron events from…

High Energy Physics - Experiment · Physics 2019-08-17 F. Boehm , J. Busenitz , B. Cook , G. Gratta , H. Henrikson , J. Kornis , D. Lawrence , K. B. Lee , K. McKinny , L. Miller , V. Novikov , A. Piepke , B. Ritchie , D. Tracy , P. Vogel , Y-F. Wang , J. Wolf

We present a combined analysis of fully-contained, partially-contained and upward-going muon atmospheric neutrino data from a 1489 day exposure of the Super--Kamiokande detector. The data samples span roughly five decades in neutrino…

High Energy Physics - Experiment · Physics 2008-11-26 Kamiokande Collaboration

We study the sensitivity of atmospheric neutrino experiments to the neutrino non-standard interactions (NSI) which is motivated by the tension between the two mass squared differences extracted from the KamLAND and solar neutrino…

High Energy Physics - Phenomenology · Physics 2016-09-26 Shinya Fukasawa

It is demonstrated that the observation of neutrino oscillations in the atmospheric (K2K) neutrino experiments and unitarity of the mixing matrix implies that disappearance of the reactor $\bar\nu_{e}$'s discovered in the KamLAND experiment…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. M. Bilenky

The first KamLAND results are in a very good agreement with the predictions made on the basis of the solar neutrino data and the LMA realization of the MSW mechanism. We perform a combined analysis of the KamLAND (rate, spectrum) and the…

High Energy Physics - Phenomenology · Physics 2009-11-07 P. C. de Holanda , A. Yu. Smirnov

In the recent years important discoveries in the field of low energy neutrino physics (E$_\nu$ in the $\approx$ MeV range) have been achieved. Results of the solar neutrino experiment SNO show clearly flavor transitions from $\nu_e$ to…

High Energy Physics - Phenomenology · Physics 2009-11-10 Lothar Oberauer

The T2K long-baseline neutrino-oscillation experiment accumulated approximately 11.0x10^20 POT (protons on target) data until June 2015. The results of \nu_e appearance as well as \nu_\mu disappearance for 6.57x10^20 POT neutrino beam data…

High Energy Physics - Experiment · Physics 2016-09-07 Yuichi Oyama