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Related papers: Origin of Reactor Antineutrino Anomaly

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The yields of the inverse beta decay events produced by antineutrinos from a certain nuclear reactor fuel component are used by many experiments to check various model predictions. Yet measurements of the absolute yields feature significant…

The $\sim 3\sigma$ discrepancy between the predicted and observed reactor anti-neutrino flux, known as the reactor anti-neutrino anomaly, continues to intrigue. The recent discovery of an unexpected bump in the reactor anti-neutrino…

High Energy Physics - Phenomenology · Physics 2017-11-23 Mona Dentler , Álvaro Hernández-Cabezudo , Joachim Kopp , Michele Maltoni , Thomas Schwetz

The RENO experiment reports measured flux and energy spectrum of reactor electron antineutrinos\,($\overline{\nu}_e$) from the six reactors at Hanbit Nuclear Power Plant. The measurements use 966\,094\,(116\,111)\,$\overline{\nu}_e$…

The RENO experiment recently reported the disappearance of reactor electron antineutrinos consistent with neutrino oscillations, with a significance of 4.9 standard deviations. The published ratio of observed to expected number of…

Reactor neutrinos play a substantial role in the study of the fundamental properties of neutrinos. With current and upcoming precision experiments, it is essential more than ever to understand the reactor neutrino flux and spectrum.…

Instrumentation and Detectors · Physics 2018-04-03 Bedrich Roskovec

Several observed anomalies in neutrino oscillation data could be explained by a hypothetical fourth neutrino separated from the three standard neutrinos by a squared mass difference of a few 0.1 eV$^2$ or more. This hypothesis can be tested…

Instrumentation and Detectors · Physics 2015-06-11 Th. Lasserre

This Letter reports the first measurement of high-energy reactor antineutrinos at Daya Bay, with nearly 9000 inverse beta decay candidates in the prompt energy region of 8-12~MeV observed over 1958 days of data collection. A multivariate…

High Energy Physics - Experiment · Physics 2022-07-21 Daya Bay collaboration , F. P. An , A. B. Balantekin , H. R. Band , M. Bishai , S. Blyth , G. F. Cao , J. Cao , J. F. Chang , Y. Chang , H. S. Chen , S. M. Chen , Y. Chen , Y. X. Chen , J. Cheng , Z. K. Cheng , J. J. Cherwinka , M. C. Chu , J. P. Cummings , O. Dalager , F. S. Deng , Y. Y. Ding , M. V. Diwan , T. Dohnal , J. Dove , M. Dvorak , D. A. Dwyer , J. P. Gallo , M. Gonchar , G. H. Gong , H. Gong , W. Q. Gu , J. Y. Guo , L. Guo , X. H. Guo , Y. H. Guo , Z. Guo , R. W. Hackenburg , S. Hans , M. He , K. M. Heeger , Y. K. Heng , A. Higuera , Y. K. Hor , Y. B. Hsiung , B. Z. Hu , J. R. Hu , T. Hu , Z. J. Hu , H. X. Huang , X. T. Huang , Y. B. Huang , P. Huber , D. E. Jaffe , K. L. Jen , X. L. Ji , X. P. Ji , R. A. Johnson , D. Jones , L. Kang , S. H. Kettell , S. Kohn , M. Kramer , T. J. Langford , J. Lee , J. H. C. Lee , R. T. Lei , R. Leitner , J. K. C. Leung , F. Li , J. J. Li , Q. J. Li , S. Li , S. C. 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. Lin , J. J. Ling , J. M. Link , L. Littenberg , B. R. Littlejohn , J. C. Liu , J. L. Liu , C. Lu , H. Q. Lu , J. S. Lu , K. B. Luk , X. B. Ma , X. Y. Ma , Y. Q. Ma , C. Marshall , D. A. Martinez Caicedo , K. T. McDonald , R. D. McKeown , Y. Meng , J. Napolitano , D. Naumov , E. Naumova , J. P. Ochoa-Ricoux , A. Olshevskiy , H. -R. Pan , J. Park , S. Patton , J. C. Peng , C. S. J. Pun , F. Z. Qi , M. Qi , X. Qian , N. Raper , J. Ren , C. Morales Reveco , R. Rosero , B. Roskovec , X. C. Ruan , H. Steiner , J. L. Sun , T. Tmej , K. Treskov , W. -H. Tse , C. E. Tull , B. Viren , V. Vorobel , C. H. Wang , J. Wang , M. Wang , N. Y. Wang , R. G. Wang , W. Wang , W. Wang , X. Wang , Y. Wang , Y. F. Wang , Z. Wang , Z. Wang , Z. M. Wang , H. Y. Wei , L. H. Wei , L. J. Wen , K. Whisnant , C. G. White , H. L. H. Wong , E. Worcester , D. R. Wu , F. L. Wu , Q. Wu , W. J. Wu , D. M. Xia , Z. Q. Xie , Z. Z. Xing , J. L. Xu , T. Xu , T. Xue , C. G. Yang , L. Yang , Y. Z. Yang , H. F. Yao , M. Ye , M. Yeh , B. L. Young , H. Z. Yu , Z. Y. Yu , B. B. Yue , S. Zeng , Y. Zeng , L. Zhan , C. Zhang , F. Y. Zhang , H. H. Zhang , J. W. Zhang , Q. M. Zhang , X. T. Zhang , Y. M. Zhang , Y. X. Zhang , Y. Y. Zhang , Z. J. Zhang , Z. P. Zhang , Z. Y. Zhang , J. Zhao , L. Zhou , H. L. Zhuang , J. H. Zou

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

We investigate the effect of B+L - violating anomalous generation of massive right-handed neutrinos on their decoupling, when the right-handed neutrino mass is considerably greater than the right-handed gauge boson masses. Considering…

High Energy Physics - Phenomenology · Physics 2009-10-31 Paramita Adhya , D. Rai Chaudhuri

As discussed elsewhere, the measurement of a non-zero value for $\theta_{13}$ would open up a wide range of possibilities to explore CP-violation and the mass hierarchy. Experimental methods to measure currently the unknown mixing angle…

High Energy Physics - Experiment · Physics 2015-06-03 Zelimir Djurcic

We investigate neutrinoless double beta ($0\nu\beta\beta$) decay rates in minimal left-right symmetric models in presence of relatively light right-handed neutrinos. By use of an effective field theory approach, we systematically include…

High Energy Physics - Phenomenology · Physics 2022-11-30 Jordy de Vries , Gang Li , Michael J. Ramsey-Musolf , Juan Carlos Vasquez

Despite the dramatic progress made in neutrino oscillation studies recently, several fundamental neutrino parameters remain either unknown or poorly measured. We discuss in detail a method for their measurement by precision studies of…

High Energy Physics - Phenomenology · Physics 2008-11-08 Mikhail Batygov , Stephen Dye , John Learned , Shigenobu Matsuno , Sandip Pakvasa , Gary Varner

We discuss the inverse $\beta$-decay of accelerated protons in the context of neutrino oscillations. The process $p\rightarrow n \ell^+ \nu_\ell$ is kinematically allowed because the accelerating field provides the rest energy difference…

High Energy Physics - Phenomenology · Physics 2016-06-14 Dharam Vir Ahluwalia , Lance Labun , Giorgio Torrieri

Unexplained variations of the decay rate for weak interaction decays such as $\beta^{\pm}$-decay, electron capture, as well as strong interaction $\alpha$-decay have been reported. Some researcher interpreted these variations as caused by…

Nuclear Experiment · Physics 2022-04-27 Shih-Chieh Liu , David Koltick , Haoyu Wang , Jonathan Nistor , Jordan Heim , Thomas Ward

We analyse a change of a deficit of reactor antineutrinos at distances smaller than 100 m by changing the lifetime of the neutron from tau_n = 885.7 s to tau_n = 879.6 s, calculated for the axial coupling constants lambda = - 1.2694 and…

High Energy Physics - Phenomenology · Physics 2013-11-15 A. N. Ivanov , R. Hollwieser , N. I. Troitskaya , M. Wellenzohn , O. M. Zherebtsov , A. P. Serebrov

Antineutrinos have been proposed as a means of reactor safeguards for more than 30 years and there has been impressive experimental progress in neutrino detection. In this paper we conduct, for the first time, a case study of the…

Instrumentation and Detectors · Physics 2014-02-14 Eric Christensen , Patrick Huber , Patrick Jaffke

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…

Reactor antineutrinos are used to study neutrino oscillation, search for signatures of non-standard neutrino interactions, and to monitor reactor operation for safeguard applications. The flux and energy spectrum of reactor antineutrinos…

High Energy Physics - Experiment · Physics 2013-05-01 K. M. Heeger , B. R. Littlejohn , H. P. Mumm , M. N. Tobin

We study the impact of new physics contributions to neutrinoless double beta decay arising from right-handed current in comparison with the standard mechanism. If the light neutrinos obtain their masses from Type-II seesaw within left-right…

High Energy Physics - Phenomenology · Physics 2015-08-31 Shao-Feng Ge , Manfred Lindner , Sudhanwa Patra