First Concurrent Extraction of the Leading-Order Scalar and Spin Proton Polarizabilities

Open Access

First Concurrent Extraction of the Leading-Order Scalar and Spin Proton Polarizabilities

E. Mornacchi, S. Rodini, B. Pasquini, and P. Pedroni

Phys. Rev. Lett. 129, 102501 – Published 31 August 2022

Abstract

We performed the first simultaneous extraction of the six leading-order proton polarizabilities. We reached this milestone thanks to both new high-quality experimental data and an innovative bootstrap-based fitting method. These new results provide a self-consistent and fundamental benchmark for all future theoretical and experimental polarizability estimates.

Received 3 May 2022
Revised 11 July 2022
Accepted 2 August 2022

DOI:https://doi.org/10.1103/PhysRevLett.129.102501

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP³.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Electromagnetic transitions Nuclear reactions Nuclear structure & decays Photonuclear reactions

Baryons Protons

Compton scattering Monte Carlo methods

Nuclear Physics

Authors & Affiliations

E. Mornacchi ^1,*, S. Rodini ², B. Pasquini ^3,4, and P. Pedroni ⁴

¹Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz,Germany
²Institut für Theoretische Physik, Universität Regensburg, D-93040 Regensburg, Germany
³Dipartimento di Fisica, Università degli Studi di Pavia, I-27100 Pavia, Italy
⁴INFN Sezione di Pavia, I-27100 Pavia, Italy