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June 22, 2020 to July 2, 2020
US/Central timezone

Parameterization and applications of the low momentum transfer nucleon vector form factors

Not scheduled
10m

Speaker

Mr Kaushik Borah (University of Kentucky)

Description

We present the proton and neutron vector form factors in a convenient parametric form that is model independent and optimized for momentum transfers $\leq$ few GeV$^2$. The form factors are determined from a global fit to electron scattering data and precise charge radii measurements. We apply a new treatment of radiative corrections. We evaluate the neutrino–nucleon scattering cross sections at GeV energies of neutrino oscillation experiments. The neutrino–nucleon charged current quasielastic cross section differs by 3–5% compared to commonly-used form factor models when the vector form factors are constrained by recent high-statistics electron-proton scattering data from the A1 collaboration. A primary goal of this work is to provide a consistent framework for applications such as neutrino event generators to propagate form factor constraints and uncertainties into cross section predictions.

Mini-abstract

Accounting for ep scattering data of A1@MAMI, neutrino-nucleon CCQE cross sections change by 3-5%.

Primary author

Mr Kaushik Borah (University of Kentucky)

Co-authors

Presentation Materials