Jun 25 – 27, 2025
Asia/Seoul timezone

Nuclear Weak-Response Function of 208Pb by KDAR νμ

Not scheduled
20m
Poster

Speaker

Chaeyun Lee (Soongsil University)

Description

We investigate nuclear weak-response function of $^{208}$Pb by the charged current (CC) scattering of muon neutrinos ($\nu_{\mu}$) using an incident neutrino energy of E$_{\nu_{\mu}}$ = 236 MeV, as produced in kaon decay-at-rest (KDAR). In this work, we focus on the inelastic scattering occurring below the QE region. To account for these contributions, we calculate the inelastic scattering cross section using the quasiparticle random phase approximation (QRPA). In the differential cross section, we separate each multipole contribution and deduce the response functions to the KDAR $\nu_{\mu}$ probe. In particular, we compare the Gamow-Teller strength distribution in the 1$^{+}$ transition to the available data with the forbidden 1$^{+}$ transitions. These findings may provide valuable insight of the nuclear weak-structure comprising vector and axial currents as well as their longitudinal and transverse parts of $^{208}$Pb.

Primary authors

Chaeyun Lee (Soongsil University) Prof. Eunja Ha (Hanyang University) Prof. Gianluca Col`o (University of Milano) Prof. Hiroyuki Sagawa (RIKEN/Professor Emeritus,University of Aizu) Prof. Kyungsik Kim (Korea Aerospace University) Prof. Myung-Ki Cheoun (Soongsil University)

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