期刊
PHYSICAL REVIEW C
卷 86, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.86.024612
关键词
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资金
- GAANN program
- US DOE [DE-FG02-02ER41216, DE-FG02-97ER41019]
- US Department of Energy by the Lawrence Livermore National Laboratory [DE-AC52-07NA27344]
- United States Department of Energy Office of Science [DE-AC52-07NA27344 Clause B-9999, DE-AC52-07NA27344 Clause H-9999]
Neutrino-nucleus coherent elastic scattering provides a theoretically appealing way to measure the neutron part of nuclear form factors. Using an expansion of form factors into moments, we show that neutrinos from stopped pions can probe not only the second moment of the form factor (the neutron radius) but also the fourth moment. Using simple Monte Carlo techniques for argon, germanium, and xenon detectors of 3.5 tonnes, 1.5 tonnes, and 300 kg, respectively, we show that the neutron radii can be found with an uncertainty of a few percent when near a neutrino flux of 3 x 10(7) neutrinos/(cm(2) s). If the normalization of the neutrino flux is known independently, one can determine the moments accurately enough to discriminate among the predictions of various nuclear energy functionals.
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