Publications
Publication Information
Title | \textit{Ab initio} study of $\boldsymbol{(\nu_\ell,\ell^-)}$ and $\boldsymbol{(\overline{\nu}_\ell,\ell^+)}$ inclusive scattering in 12C: confronting the MiniBooNE and T2K CCQE data |
Authors | Alessandro Lovato, J. Carlson, Stefano Gandolfi, Rocco Schiavilla |
JLAB number | JLAB-THY-20-3160 |
LANL number | arXiv:2003.07710 |
Other number | DOE/OR/23177-4941 |
Document Type(s) | (Journal Article) |
Associated with EIC: | No |
Supported by Jefferson Lab LDRD Funding: | No |
Funding Source: | Nuclear Physics (NP) |
Journal Compiled for Physical Review X Volume 10 Page(s) 031068 Refereed | |
Publication Abstract: | We carry out an {\it ab initio} calculation of the neutrino flux-folded inclusive cross sections, measured on $^{12}$C by the MiniBooNE and T2K collaborations in the charged-current quasielastic (CCQE) regime. The calculation is based on realistic two- and three-nucleon interactions, and on a realistic nuclear electroweak current with one- and two-nucleon terms that are constructed consistently with these interactions and reproduce low-energy electroweak transitions. Numerically exact quantum Monte Carlo methods are utilized to compute the nuclear weak response functions, by fully retaining many-body correlations in the initial and final states and interference effects between one- and two-body current contributions. We employ a nucleon axial form factor of the dipole form with $\Lambda_A = 1.0 $ or $1.15$ GeV, the latter consistent with a very recent lattice QCD determination. The calculated cross sections are found to be in good agreement with the neutrino data of MiniBooNE and T2K, and antineutrino MiniBooNE data, yielding a consistent picture of nuclei and their electroweak properties across a wide regime of energy and momenta. |
Experiment Numbers: | other |
Group: | THEORY CENTER |
Document: | |
DOI: | https://doi.org/10.1103/PhysRevX.10.031068 |
Accepted Manuscript: | PhysRevX.10.031068.pdf |
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