Data on the Neutron–Proton Scattering Length from the -Breakup Reaction at Low Energies

A. A. Kasparov; Каспаров А. А.; M. V. Mordovskoy; Мордовской М. В.; A. A.  Afonin; Афонин А. А.; S. I. Potashev; Поташев С. И.; V. V. Mitcuk; Мицук В. В.

doi:10.31857/S0044002723010269

Data on the Neutron–Proton Scattering Length from the -Breakup Reaction at Low Energies

作者: Kasparov A.A.¹, Mordovskoy M.V.¹, Afonin A.A.¹, Potashev S.I.¹^,2, Mitcuk V.V.¹
隶属关系:
1. Institute for Nuclear Research, Russian Academy of Sciences
2. Lebedev Physical Institute, Russian Academy of Sciences
期: 卷 86, 编号 1 (2023)
页面: 245-251
栏目: МАТЕРИАЛЫ LXXII МЕЖДУНАРОДНОЙ КОНФЕРЕНЦИИ “ЯДРО-2022: ФУНДАМЕНТАЛЬНЫЕ ВОПРОСЫ И ПРИЛОЖЕНИЯ”. Элементарные частицы и поля. Эксперимент
URL: https://journals.rcsi.science/0044-0027/article/view/139680
DOI: https://doi.org/10.31857/S0044002723010269
EDN: https://elibrary.ru/RDNZCQ
ID: 139680

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The
np scattering length was obtained in a kinematically complete experiment devoted to studying the nd-breakup reaction at low energies of neutrons from the RADEX channel of Institute for Nuclear Research, Russian Academy of Sciences. In this experiment, two neutrons were detected on different sides of the primary-beam axis. The scattering-length values of
1.1 fm and
fm obtained at
and 11 MeV, respectively, from a comparison of the experimental dependence of the nd-breakup reaction yield on the relative energy of the np pair with the results of a simulation differ significantly from the corresponding values found in an experiment that studied free np scattering. This is indicative of an efficient enhancement of np interaction in the presence of a third nucleon.

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卷 88, 编号 2 (2025)

Data on the Neutron–Proton Scattering Length from the -Breakup Reaction at Low Energies

全文:

详细

作者简介

A. Kasparov

M. Mordovskoy

A. Afonin

S. Potashev

V. Mitcuk

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