ASIA unversity:Item 310904400/8163
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    Title: Gravitational form factors of the neutrino
    Authors: K.L.Ng
    Contributors: Department of Bioinformatics
    Date: 1993
    Issue Date: 2010-03-19 16:25:02 (UTC+8)
    Publisher: Asia University
    Abstract: The gravitational properties of the neutrino are studied in the weak-field approximation. By imposing the Hermiticity condition, CPT, and CP invariance on the energy-momentum tensor matrix element, we show that the allowed gravitational form factors for Dirac and Majorana neutrinos are very different. In a CPT- and CP-invariant theory, the energy-momentum tensor for a Dirac neutrino of the same species is characterized by four gravitational form factors. As a result of CPT invariance, the energy-momentum tensor for a Majorana neutrino of the same species has five form factors. In a CP-invariant theory, if the initial and final Majorana neutrinos have the same (opposite) CP parity, then only tensor-(pseudotensor-)type transitions are allowed.
    Relation: Physical Review D 47: 5187-5190
    Appears in Collections:[Department of Biomedical informatics  ] Journal Article

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