Parity violation in neutron spin rotation

2007 ◽  
pp. 147-151
Author(s):  
W. M. Snow
Keyword(s):  
Parity Violation ◽  
Spin Rotation ◽  
Neutron Spin

scholarly journals Toward Nonlocal Electrodynamics of Accelerated Systems

Universe ◽  
2020 ◽  
Vol 6 (12) ◽  
pp. 229
Author(s):  
Bahram Mashhoon
Keyword(s):  
Electromagnetic Field ◽  
Parity Violation ◽  
Spin Rotation ◽  
Field Tensor ◽  
Parity Conservation ◽  
Electromagnetic Field Tensor ◽  
Nonlocal Electrodynamics

We revisit acceleration-induced nonlocal electrodynamics and the phenomenon of photon spin-rotation coupling. The kernel of the theory for the electromagnetic field tensor involves parity violation under the assumption of linearity of the field kernel in the acceleration tensor. However, we show that parity conservation can be maintained by extending the field kernel to include quadratic terms in the acceleration tensor. The field kernel must vanish in the absence of acceleration; otherwise, a general dependence of the kernel on the acceleration tensor cannot be theoretically excluded. The physical implications of the quadratic kernel are briefly discussed.

scholarly journals Parity-nonconserving Effects in n?p Capture at Thermal Energies

1974 ◽  
Vol 27 (5) ◽  
pp. 637 ◽  
Author(s):  
Keith R Lassey ◽  
Bruce HJ McKellar
Keyword(s):  
Thermal Neutron ◽  
Circular Polarization ◽  
Parity Violation ◽  
Present Method ◽  
Transition Matrix ◽  
Neutron Spin ◽  
Incident Neutron ◽  
Spin Direction ◽  
The Asymmetry

The circular polarization and asymmetry, about the incident neutron spin direction, of the photon released in the reaction n + p -+ d + y at thermal neutron energies are consequences of parity violation in the n-p interaction. A formalism is developed which expresses the polarization and asymmetry in terms of the half-off-shell transition matrix, and calculations are performed for several models of the weak parity-nonconserving N-N interaction. The results indicate that the polarization is sensitive to the choice of both the strong N-N interaction and weak N-N interaction while the asymmetry is sensitive mainly to the latter. The observed polarization is of the same sign and rather larger than that calculated with the conventional weak N-N potential. Difficulties in the present method indicate that this discrepancy cannot be regarded as significant.

PARITY NON-CONSERVING NEUTRON SPIN ROTATION

1984 ◽  
Vol 45 (C3) ◽  
pp. C3-89-C3-92 ◽  
Author(s):  
B. Heckel ◽  
M. Forte ◽  
N. F. Ramsey ◽  
G. L. Greene ◽  
K. Green ◽  
...  
Keyword(s):  
Spin Rotation ◽  
Neutron Spin

Effect of neutron spin rotation at Laue diffraction in a deformed transparent crystal with no center of symmetry

JETP Letters ◽  
2017 ◽  
Vol 106 (7) ◽  
pp. 481-484 ◽  
Author(s):  
V. V. Voronin ◽  
V. V. Fedorov ◽  
S. Yu. Semenikhin ◽  
Ya. A. Berdnikov
Keyword(s):  
Spin Rotation ◽  
Neutron Spin ◽  
Laue Diffraction ◽  
Transparent Crystal
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