Neutral pion decay into νν̅ in dense Skyrmion matter
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2005
Authors
Kalloniatis, A.
Carroll, J.
Park, B.
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Physical Review D: Particles, Fields, Gravitation and Cosmology, 2005; 71(11):114001-1-114001-7
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Alexander C. Kalloniatis, Jonathan D. Carroll and Byung-Yoon Park
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Abstract
We study the weak decay of of the neutral pion to a neutrino-antineutrino pair, π0→νν̅, in the Skyrme model. In Bayron-free-space the process is forbidden by helicity while in a dense baryonic medium, the process becomes possible already to leading order of Gf due to the break-down of Lorentz symmetry in the background medium.
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©2005 American Physical Society