TY - JOUR
T1 - Chiral estimate of the electric dipole moment of the neutron in quantum chromodynamics
AU - Crewther, R. J.
AU - Di Vecchia, P.
AU - Veneziano, G.
AU - Witten, E.
PY - 1979/12/3
Y1 - 1979/12/3
N2 - Current algebra for CP violating strong interactions is investigated. In particular, the neutron electric dipole moment Dn is shown to behave as θmπ21nmπ2 for small pion mass mπ and CP violating parameter θ. This logarithm is explicitly calculable: it contributes 5.2×10-16θ cm to Dn. This result is somewhat larger than a previous O(mπ2) estimate based on the bag model.
AB - Current algebra for CP violating strong interactions is investigated. In particular, the neutron electric dipole moment Dn is shown to behave as θmπ21nmπ2 for small pion mass mπ and CP violating parameter θ. This logarithm is explicitly calculable: it contributes 5.2×10-16θ cm to Dn. This result is somewhat larger than a previous O(mπ2) estimate based on the bag model.
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U2 - 10.1016/0370-2693(79)90128-X
DO - 10.1016/0370-2693(79)90128-X
M3 - Article
AN - SCOPUS:0000145795
SN - 0370-2693
VL - 88
SP - 123
EP - 127
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
IS - 1-2
ER -