C. P. Liu

Electric Dipole Moments of Light Nuclei From Chiral Effective Field Theory

Recent calculations of EDMs of light nuclei in the framework of chiral effective field theory are presented. We argue that they can be written in terms of the leading six low-energy constants encoding CP-violating physics. EDMs of the deuteron, triton, and helion are explicitly given in order to corroborate our claim. An eventual non-zero measurement of these EDMs can be used to disentangle the different sources and strengths of CP-violation.

Constraints on Millicharged Neutrinos via Analysis of Data from Atomic Ionizations with Germanium Detectors at sub-keV Sensitivities

Department of Physics, Banaras Hindu University, Varanasi 221005, India(Dated: August 4, 2014)With the advent of detectors with sub-keV sensitivities, atomic ionization has been identi ed asa promising avenue to probe possible neutrino electromagnetic properties. The interaction cross-sections induced by millicharged neutrinos are evaluated with the ab-initio multi-con guration rel-ativistic random-phase approximation. There is signi cant enhancement at atomic binding energiescompared to that when the electrons are taken as free particles. Positive signals would distinctlymanifest as peaks at speci c energies with known intensity ratios. Selected reactor neutrino datawith germanium detectors at analysis threshold as low as 300 eV are studied. No such signaturesare observed, and a combined limit on the neutrino charge fraction of j

Coherency in Neutrino-Nucleus Elastic Scattering

Neutrino-nucleus elastic scattering provides a unique laboratory to study the quantum mechanical coherency effects in electroweak interactions, towards which several experimental programs are being actively pursued. We report results of our quantitative studies on the transitions towards decoherency. A parameter (

Constraining neutrino electromagnetic properties by germanium detectors

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Near Threshold Proton-Proton Fusion in Effective Field Theory

) is identified to describe the degree of coherency, and its variations with incoming neutrino energy, detector threshold and target nucleus are studied. The ranges of

Deuteron magnetic quadrupole moment from chiral effective field theory

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Electronic and nuclear contributions in sub-GeV dark matter scattering: A case study with hydrogen

which can be probed with realistic neutrino experiments are derived, indicating complementarity between projects with different sources and targets. Uncertainties in nuclear physics and in

Quark-mass dependence of two-nucleon observables

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Low-energy electronic recoil in xenon detectors by solar neutrinos

would constrain sensitivities in probing physics beyond the standard model. The maximum neutrino energies corresponding to

Atomic ionization by sterile-to-active neutrino conversion and constraints on dark matter sterile neutrinos with germanium detectors

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