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I discuss the sensitivity of future medium baseline reactor antineutrino experiments on the neutrino mass hierarchy. By using the standard chi^2 analysis, we find that the sensitivity depends strongly on the baseline length L and the energy…

高能物理 - 唯象学 · 物理学 2013-05-01 Yoshitaro Takaesu

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…

高能物理 - 实验 · 物理学 2013-08-20 Yu-Feng Li , Jun Cao , Yifang Wang , Liang Zhan

In the next 10 years medium baseline reactor neutrino experiments will attempt to determine the neutrino mass hierarchy and to precisely measure {\theta}_12. Both of these determinations will be more reliable if data from identical…

高能物理 - 唯象学 · 物理学 2015-11-05 Emilio Ciuffoli , Jarah Evslin , Zhimin Wang , Changgen Yang , Xinmin Zhang , Weili Zhong

Determination of the neutrino mass hierarchy using a reactor neutrino experiment at $\sim$60 km is analyzed. Such a measurement is challenging due to the finite detector resolution, the absolute energy scale calibration, as well as the…

仪器与探测器 · 物理学 2015-03-20 X. Qian , D. A. Dwyer , R. D. McKeown , P. Vogel , W. Wang , C. Zhang

We report the neutrino mass hierarchy (MH) sensitivity of medium baseline reactor neutrino experiments with multiple detectors. Sensitivity of determining the MH can be significantly improved by adding a near detector and combining both the…

仪器与探测器 · 物理学 2017-04-05 Hongxin Wang , Liang Zhan , Yu-Feng Li , Guofu Cao , Shenjian Chen

It is generally believed that neutrino mass hierarchy can be determined at a long baseline experiment, often using accelerator neutrino beams. Reactor neutrino experiments at an intermediate baseline have the capability to distinguish…

高能物理 - 实验 · 物理学 2012-10-29 Liang Zhan , Yifang Wang , Jun Cao , Liangjian Wen

This paper presents experimental requirements to determine the neutrino mass hierarchy using reactor neutrinos. The detector shall be located at a baseline around 58 km from the reactor(s) to measure the energy spectrum of electron…

高能物理 - 实验 · 物理学 2009-11-06 Liang Zhan , Yifang Wang , Jun Cao , Liangjian Wen

Building on earlier studies, we investigate the possibility to determine the type of neutrino mass spectrum (i.e., "the neutrino mass hierarchy") in a high statistics reactor electron antineutrino experiment with a relatively large…

高能物理 - 唯象学 · 物理学 2011-03-28 Pomita Ghoshal , S. T. Petcov

This article reports the optimized experimental requirements to determine neutrino mass hierarchy using electron antineutrinos ($\bar{\nu}_e$) generated in a nuclear reactor. The features of the neutrino mass hierarchy can be extracted from…

高能物理 - 实验 · 物理学 2016-01-20 M. Y. Pac

Now that theta13 is known to be large, a medium baseline reactor experiment can observe the fine structure of the electron antineutrino survival probability curve, approximately periodic oscillations in L/E with wavelength 4pi/Delta M^2_31.…

高能物理 - 实验 · 物理学 2015-06-11 Emilio Ciuffoli , Jarah Evslin , Xinmin Zhang

In the next decade, a number of experiments will attempt to determine the neutrino mass hierarchy. Feasibility studies for such experiments generally determine the expected value of Delta chi^2. As the hierarchy is a discrete choice, Delta…

高能物理 - 唯象学 · 物理学 2016-04-27 Emilio Ciuffoli , Jarah Evslin , Xinmin Zhang

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…

高能物理 - 唯象学 · 物理学 2008-11-26 H. Minakata , H. Nunokawa , S. J. Parke , R. Zukanovich Funchal

10 years from now reactor neutrino experiments will attempt to determine which neutrino mass eigenstate is the most massive. In this letter we present the results of more than seven million detailed simulations of such experiments, studying…

高能物理 - 唯象学 · 物理学 2013-09-16 Emilio Ciuffoli , Jarah Evslin , Xinmin Zhang

We study the advantages of a second identical detector at a medium baseline reactor neutrino experiment. A major obstruction to the determination of the neutrino mass hierarchy is the detector's unknown nonlinear energy response, which even…

高能物理 - 唯象学 · 物理学 2014-04-23 Emilio Ciuffoli , Jarah Evslin , Zhimin Wang , Changgen Yang , Xinmin Zhang , Weili Zhong

The number of sigma of confidence in a determination of the neutrino mass hierarchy may be obtained from the statistic Delta chi squared. However, as the hierarchy is a discrete variable, this number is not given by the usual square root…

高能物理 - 唯象学 · 物理学 2013-11-15 Jarah Evslin

We discuss the optimal setup for a low energy neutrino factory in order to achieve a 5\sigma-discovery of a nonzero mixing angle \theta_{13}, a nonzero CP phase \delta_{CP}, and the mass hierarchy. We explore parent muon energies in the…

高能物理 - 唯象学 · 物理学 2012-10-08 Amol Dighe , Srubabati Goswami , Shamayita Ray

We study the physics potential of a neutrino superbeam experiment with a 2540 km baseline. We assume a neutrino beam similar to the NuMI beam in medium energy configuration. We consider a 100 kton totally active scintillator detector at a 7…

高能物理 - 唯象学 · 物理学 2011-09-27 Aniket Joglekar , Suprabh Prakash , Sushant K. Raut , S. Uma Sankar

We describe a method for determining the hierarchy of the neutrino mass spectrum and theta_13 through remote detection of antineutrinos from a nuclear reactor. This method utilizing a single, 10-kt scintillating liquid detector at a…

高能物理 - 实验 · 物理学 2008-11-26 John Learned , Steve Dye , Sandip Pakvasa , Robert Svoboda

We explore the potential offered by large-mass Liquid Argon detectors for determination of the sign of Delta m_{31}^2, or the neutrino mass hierarchy, through interactions of atmospheric neutrinos. We give results for a 100 kT sized…

高能物理 - 唯象学 · 物理学 2008-11-26 Raj Gandhi , Pomita Ghoshal , Srubabati Goswami , S Uma Sankar

Large mass ice/water Cherenkov experiments, optimized to detect low energy (1-20 GeV) atmospheric neutrinos, have the potential to discriminate between normal and inverted neutrino mass hierarchies. The sensitivity depends on several model…

高能物理 - 实验 · 物理学 2015-06-12 D. Franco , C. Jollet , A. Kouchner , V. Kulikovskiy , A. Meregaglia , S. Perasso , T. Pradier , A. Tonazzo , V. Van Elewyck
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