Pion absorption from the lowest atomic orbital in 2H, 3H and 3He

Jacek Golak; Vitalii Urbanevych; Roman Skibiński; Henryk Witała; Kacper Topolnicki; Vadim Baru; Arseniy A. Filin; Evgeny Epelbaum; Hiroyuki Kamada; Andreas Nogga

doi:10.1051/epjconf/202429104006

All issues

Volume 291 (2024)

EPJ Web Conf., 291 (2024) 04006

Abstract

Open Access

Issue		EPJ Web Conf. Volume 291, 2024 MESON 2023 – 17^th International Workshop on Meson Physics


Article Number		04006
Number of page(s)		4
Section		Mesons in Matter
DOI		https://doi.org/10.1051/epjconf/202429104006
Published online		16 February 2024

EPJ Web of Conferences 291, 04006 (2024)
https://doi.org/10.1051/epjconf/202429104006

Pion absorption from the lowest atomic orbital in ²H, ³H and ³He

Jacek Golak¹^*, Vitalii Urbanevych¹, Roman Skibiński¹, Henryk Witała¹, Kacper Topolnicki¹, Vadim Baru², Arseniy A. Filin², Evgeny Epelbaum², Hiroyuki Kamada³ and Andreas Nogga⁴

¹ M. Smoluchowski Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, PL-30348 Kraków, Poland
² Ruhr-Universität Bochum, Fakultät für Physik und Astronomie, Institut für Theoretische Physik II, D-44780 Bochum, Germany
³ Department of Physics, Faculty of Engineering, Kyushu Institute of Technology, Kitakyushu 804-8550, Japan
⁴ Institut für Kernphysik (IKP-3), Institute for Advanced Simulation (IAS-4), Center for Advanced Simulation and Analytics (CASA), and Jülich Center for Hadron Physics (JCHP), Forschungszentrum Jülich, D-52425 Jülich, Germany

^* e-mail: jacek.golak@uj.edu.pl

Published online: 16 February 2024

Abstract

Abstract. The π⁻ + ²H → n + n, ^π− + ³H → n + n + n, π⁻ + ³He → n + d and π⁻ + ³He → p + n + n capture reactions from the lowest atomic orbitals are investigated under full inclusion of final state interactions and employing the single-nucleon and two-nucleon transition operators derived at leading order in chiral effective field theory.

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