Parity nonconserving proton-proton elastic scattering
T. M. Partanen (1), J. A. Niskanen (1), M. J. Iqbal (2) ((1), Department of Physics, University of Helsinki, (2) Department of Physics,, University of British Columbia)
TL;DR
This paper calculates the parity nonconserving analyzing power in proton-proton elastic scattering below 350 MeV, considering meson exchanges and comparing different two-pion exchange potentials.
Contribution
It provides a detailed calculation of parity nonconserving effects in pp scattering using DDH couplings and compares various two-pion exchange models.
Findings
Parity nonconserving analyzing power calculated for energies below 350 MeV.
Comparison of different two-pion exchange potentials.
Insights into the role of heavy meson and two-pion exchanges in parity violation.
Abstract
The parity nonconserving longitudinal analyzing power A_L is calculated in elastic pp scattering at the energies below the approximate inelastic region T_lab = 350 MeV. The short-ranged heavy meson rho and omega exchanges as well as the longer-ranged two pion exchanges are considered as the mediators of the parity nonconserving interactions. The DDH "best" coupling values are used as the parity nonconserving meson-NN couplings. Also three different parity nonconserving two-pion exchange potentials by various authors are compared.
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