Neutrino mass hierarchy and θ13 with a magic baseline beta-beam experiment

被引：40
|
作者：
Agarwalla, Sanjib Kumar
Choubey, Sandhya
Raychaudhuri, Amitava
机构：
[1] Harish Chandra Res Inst, Allahabad 211019, Uttar Pradesh, India
[2] Univ Calcutta, Dept Phys, Kolkata 700009, India
来源：
NUCLEAR PHYSICS B | 2007年 / 771卷 / 1-2期
关键词：
D O I：
10.1016/j.nuclphysb.2007.02.012
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We underscore the physics advantage of an experiment where neutrinos produced in a beta-beam facility at CERN are observed in a large magnetized iron calorimeter (ICAL) at the India-based Neutrino Observatory (INO). The CERN-INO distance is close to the so-called "magic" baseline which helps evade some of the parameter degeneracies and allows for a better measurement of the neutrino mass hierarchy and theta(13). We expound the possibility of using radioactive B-8 and Li-8 as the source isotopes for the nu(e) and (nu) over bar (e) beta-beam, respectively, and show that very good sensitivity to both the mass hierarchy and theta(13) is possible with a boost gamma in the 250-500 ballpark. (c) 2007 Elsevier B.V. All rights reserved.
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页码：1 / 27
页数：27
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