An Effective-field-theory analysis of low-energy parity-violation in nucleon-nucleon scattering

We analyze parity-violating nucleon–nucleon scattering at energies E < m π 2 / M using the effective field theory appropriate for this regime. The minimal Lagrangian for short-range parity-violating NN interactions is written in an operator basis that encodes the five partial-wave transitions that dominate at these energies. We calculate the leading-order relationships between parity-violating NN asymmetries and the coefficients in the Lagrangian and also discuss the size of sub-leading corrections. We conclude with a discussion of further observables needed to completely determine the leading-order Lagrangian.

13.75.Cs
11.30.Er
Parity violation
Nucleon nucleon scattering
Effective field theory
Nucleon–nucleon scattering
nucleon nucleon: elastic scattering
effective field theory
partial wave
parity: violation

References(81)

Figures(0)

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