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We comment on Daya Bay's latest definition of the effective Delta m^2 for short baseline reactor electron antineutrino disappearance experiments used in arXiv:1809.02261 (Phys. Rev. Lett. 121, no. 24, 241805 (2018))

High Energy Physics - Experiment · Physics 2019-03-04 Stephen J. Parke , Renata Zukanovich Funchal

In 2011 and 2012, three reactor neutrino experiments, Double Chooz, Daya Bay and RENO showed positive signals of reactor neutrino disappearance and measured a mixing parameter sin^2(2th13) at average baselines 1.05, 1.65 and 1.44km,…

High Energy Physics - Experiment · Physics 2012-12-03 T. J. C. Bezerra , H. Furuta , F. Suekane

Recently, three reactor neutrino experiments, Daya Bay, Double Chooz and RENO have directly measured the neutrino mixing angle $\theta_{13}$. In this paper, another important oscillation parameter, effective $\Delta m_{31}^2$ (= $\Delta…

High Energy Physics - Experiment · Physics 2013-08-21 T. J. C. Bezerra , H. Furuta , F. Suekane , T. Matsubara

In this paper we generalize the concept of an effective $\Delta m^2_{ee}$ for $\nu_e/\bar{\nu}_e$ disappearance experiments, which has been extensively used by the short baseline reactor experiments, to include the effects of propagation…

High Energy Physics - Phenomenology · Physics 2018-11-07 Peter B. Denton , Stephen J. Parke

A measurement of the energy dependence of antineutrino disappearance at the Daya Bay Reactor Neutrino Experiment is reported. Electron antineutrinos ($\overline{\nu}_{e}$) from six $2.9$ GW$_{\rm th}$ reactors were detected with six…

High Energy Physics - Experiment · Physics 2014-02-19 Daya Bay Collaboration , F. P. An , A. B. Balantekin , H. R. Band , W. Beriguete , M. Bishai , S. Blyth , R. L. Brown , I. Butorov , G. F. Cao , J. Cao , R. Carr , Y. L. Chan , J. F. Chang , Y. Chang , C. Chasman , H. S. Chen , H. Y. Chen , S. J. Chen , S. M. Chen , X. C. Chen , X. H. Chen , Y. Chen , Y. X. Chen , Y. P. Cheng , J. J. Cherwinka , M. C. Chu , J. P. Cummings , J. de Arcos , Z. Y. Deng , Y. Y. Ding , M. V. Diwan , E. Draeger , X. F. Du , D. A. Dwyer , W. R. Edwards , S. R. Ely , J. Y. Fu , L. Q. Ge , R. Gill , M. Gonchar , G. H. Gong , H. Gong , Y. A. Gornushkin , W. Q. Gu , M. Y. Guan , X. H. Guo , R. W. Hackenburg , R. L. Hahn , G. H. Han , S. Hans , M. He , K. M. Heeger , Y. K. Heng , P. Hinrichs , yk. Hor , Y. B. Hsiung , B. Z. Hu , L. J. Hu , L. M. Hu , T. Hu , W. Hu , E. C. Huang , H. X. Huang , H. Z. Huang , X. T. Huang , P. Huber , G. Hussain , Z. Isvan , D. E. Jaffe , P. Jaffke , S. Jetter , X. L. Ji , X. P. Ji , H. J. Jiang , J. B. Jiao , R. A. Johnson , L. Kang , S. H. Kettell , M. Kramer , K. K. Kwan , M. W. Kwok , T. Kwok , W. C. Lai , W. H. Lai , K. Lau , L. Lebanowski , J. Lee , R. T. Lei , R. Leitner , A. Leung , J. K. C. Leung , C. A. Lewis , D. J. Li , F. Li , G. S. Li , Q. J. Li , W. D. Li , X. N. Li , X. Q. Li , Y. F. Li , Z. B. Li , H. Liang , C. J. Lin , G. L. Lin , S. K. Lin , Y. C. Lin , J. J. Ling , J. M. Link , L. Littenberg , B. R. Littlejohn , D. W. Liu , H. Liu , J. C. Liu , J. L. Liu , S. S. Liu , Y. B. Liu , C. Lu , H. Q. Lu , K. B. Luk , Q. M. Ma , X. B. Ma , X. Y. Ma , Y. Q. Ma , K. T. McDonald , M. C. McFarlane , R. D. McKeown , Y. Meng , I. Mitchell , Y. Nakajima , J. Napolitano , D. Naumov , E. Naumova , I. Nemchenok , H. Y. Ngai , W. K. Ngai , Z. Ning , J. P. Ochoa-Ricoux , A. Olshevski , S. Patton , V. Pec , J. C. Peng , L. E. Piilonen , L. Pinsky , C. S. J. Pun , F. Z. Qi , M. Qi , X. Qian , N. Raper , B. Ren , J. Ren , R. Rosero , B. Roskovec , X. C. Ruan , B. B. Shao , H. Steiner , G. X. Sun , J. L. Sun , Y. H. Tam , H. K. Tanaka , X. Tang , H. Themann , S. Trentalange , O. Tsai , K. V. Tsang , R. H. M. Tsang , C. E. Tull , Y. C. Tung , B. Viren , V. Vorobel , C. H. Wang , L. S. Wang , L. Y. Wang , L. Z. Wang , M. Wang , N. Y. Wang , R. G. Wang , W. Wang , W. W. Wang , X. Wang , Y. F. Wang , Z. Wang , Z. Wang , Z. M. Wang , D. M. Webber , H. Wei , Y. D. Wei , L. J. Wen , K. Whisnant , C. G. White , L. Whitehead , T. Wise , H. L. H. Wong , S. C. F. Wong , E. Worcester , Q. Wu , D. M. Xia , J. K. Xia , X. Xia , Z. Z. Xing , J. Xu , J. L. Xu , J. Y. Xu , Y. Xu , T. Xue , J. Yan , C. G. Yang , L. Yang , M. S. Yang , M. Ye , M. Yeh , Y. S. Yeh , B. L. Young , G. Y. Yu , J. Y. Yu , Z. Y. Yu , S. L. Zang , L. Zhan , C. Zhang , F. H. Zhang , J. W. Zhang , Q. M. Zhang , S. H. Zhang , Y. C. Zhang , Y. H. Zhang , Y. M. Zhang , Y. X. Zhang , Z. J. Zhang , Z. P. Zhang , Z. Y. Zhang , J. Zhao , Q. W. Zhao , Y. B. Zhao , L. Zheng , W. L. Zhong , L. Zhou , Z. Y. Zhou , H. L. Zhuang , J. H. Zou

We demonstrate that the currently running short baseline reactor experiments, especially Daya Bay, can put a significant upper bound on $\Delta m^2_{21}$. This novel approach to determining $\Delta m^2_{21}$ can be performed with the…

High Energy Physics - Experiment · Physics 2019-03-06 Seon-Hee Seo , Stephen Parke

This presentation describes a precision result of the neutrino mixing parameter, $\sin^2 2\theta_{13}$, and the first direct measurement of the antineutrino mass-squared difference $\sin^2(\Delta_{ee}) \equiv \cos^2 \theta_{12} \sin^2…

High Energy Physics - Experiment · Physics 2019-08-13 Bei-Zhen Hu

The RENO experiment reports more precisely measured values of $\theta_{13}$ and $|\Delta m_{ee}^2|$ using $\sim$2\,200 live days of data. The amplitude and frequency of reactor electron antineutrino ($\overline{\nu}_e$) oscillation are…

In this poster, we present the latest measurement of electron antineutrino disappearance using the fully constructed Daya Bay Reactor Neutrino Experiment. A total exposure of $6.9 \times 10^5$ GW$_{\mathrm{th}}$ ton days was achieved in…

High Energy Physics - Experiment · Physics 2016-05-31 Marco Grassi

The Daya Bay reactor neutrino experiment has observed the disappearance of electron antineutrinos from nuclear reactors at $\sim$kilometer baselines. The relative measurement of the $\bar\nu_e$ rate and spectrum between near and far…

High Energy Physics - Experiment · Physics 2016-07-26 Chao Zhang

An approximation that is often used in fits to reactor and atmospheric neutrino data and in some studies of future neutrino oscillation experiments is to assume one dominant scale, $\Delta m^2$, of neutrino mass squared differences, in…

High Energy Physics - Phenomenology · Physics 2010-05-28 Irina Mocioiu , Robert Shrock

We review the current-generation short-baseline reactor neutrino experiments that have firmly established the third neutrino mixing angle $\theta_{13}$ to be non-zero. The relative large value of $\theta_{13}$ (around 9$^\circ$) has opened…

High Energy Physics - Experiment · Physics 2014-05-29 X. Qian , W. Wang

A lower bound on $\Delta m^{2}$ for atmospheric neutrino oscillations can be obtained from the global value of $R$ at a given energy. This bound may be more reliable than one based on the observed isotropy. Some global values of $R$ imply…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. M. LoSecco

We discuss the physics potential of intermediate $L \sim 20 \div 30$ km baseline experiments at reactor facilities, assuming that the solar neutrino oscillation parameters $\Delta m^2_{\odot}$ and $\theta_{\odot}$ lie in the high-LMA…

High Energy Physics - Phenomenology · Physics 2011-02-11 Sandhya Choubey , S. T. Petcov , M. Piai

This manuscript is a short summary of my talk given at ICNFP2014 Conference. Here we report on new results of $\sin^22\theta_{13}$ and $\Delta m^2_\text{ee}$ measurements, search for the sterile neutrino within $10^{-3} \text{ eV}^2 <\Delta…

High Energy Physics - Experiment · Physics 2019-08-13 Dmitry V. Naumov

A measurement of electron antineutrino oscillation by the Daya Bay Reactor Neutrino Experiment is described in detail. Six 2.9-GW$_{\rm th}$ nuclear power reactors of the Daya Bay and Ling Ao nuclear power facilities served as intense…

High Energy Physics - Experiment · Physics 2017-12-21 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 , 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 , D. Jones , 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

Recently a new method for determining the neutrino mass hierarchy by comparing the effective values of the atmospheric \Delta m^2 measured in the electron neutrino disappearance channel, \Delta m^2(ee), with the one measured in the muon…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. Minakata , H. Nunokawa , S. J. Parke , R. Zukanovich Funchal

There is a well known 2$\sigma$ tension in the measurements of the solar $\Delta m^2$ between KamLAND and SNO/Super-KamioKANDE. Precise determination of the solar $\Delta m^2$ is especially important in connection with current and future…

High Energy Physics - Experiment · Physics 2019-12-25 Alvaro Hernandez Cabezudo , Stephen J. Parke , Seon-Hee Seo

Determination of the neutrino mass hierarchy in a reactor neutrino experiment at medium baseline is discussed. Observation of the interference effects between the \Delta m^2_{31} and \Delta m^2_{32} oscillations enables a relative…

High Energy Physics - Experiment · Physics 2013-08-20 Yu-Feng Li , Jun Cao , Yifang Wang , Liang Zhan

The Daya Bay neutrino experiment has recently updated the oscillation analysis results with 621 days of data in 2015, which has 3.6 times more statistics than the previous publication in 2014. The relative $\bar{\nu}_{e}$ rate and spectrum…

High Energy Physics - Experiment · Physics 2015-12-02 Wei Tang
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