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Limits On Tensor Coupling From Neutron Β Decay, Robert W. Pattie, Kevin P. Hickerson, Andrew R. Young
Limits On Tensor Coupling From Neutron Β Decay, Robert W. Pattie, Kevin P. Hickerson, Andrew R. Young
Robert W. Pattie Jr.
Limits on the tensor couplings generating a Fierz interference term b in mixed Gamow-Teller Fermi decays can be derived by combining data from measurements of angular correlation parameters in neutron decay, the neutron lifetime, and GV=GFVud as extracted from measurements of the Ftvalues from the 0+→0+ superallowed decay data set. These limits are derived by comparing the neutron β-decay rate as predicted in the standard model with the measured decay rate while allowing for the existence of beyond the standard model (BSM) couplings. We analyze limits derived from …