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Multiple rescattering effects in the hard knockout reaction 2H(p,2p)n.

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Title: Multiple rescattering effects in the hard knockout reaction 2H(p,2p)n.
Authors: Larionov, A. B.1 (AUTHOR) larionov@theor.jinr.ru
Source: European Physical Journal A -- Hadrons & Nuclei. Jul2025, Vol. 61 Issue 7, p1-18. 18p.
Subjects: Nuclear reactions, Multiple scattering (Physics), Particle interactions, Deuteron reactions, Strong interactions (Nuclear physics), Neutron measurement
Abstract: The interaction of a proton with a deuteron is the simplest nuclear reaction. However, it allows the study of precursors of nuclear medium effects such as initial-state/final-state interactions (ISI/FSI). In case of hard proton knockout, the deviation of ISI/FSI from the 'standard' values may carry a signal of color transparency. In this regard, it is important to define the 'standard' as precisely as possible. This work continues previous studies within the framework of the Generalized Eikonal Approximation (GEA). The focus is on processes where the participating protons experience multiple soft rescattering on the spectator neutron. It is shown that correct treatment of deviations of the trajectories of outgoing protons from the longitudinal direction leads to a significant modification of partial amplitudes with soft rescattering of two outgoing protons and non-vanishing amplitudes with rescattering of incoming and outgoing protons. The new treatment of multiple rescattering is important in kinematics with a forward spectator neutron. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal A -- Hadrons & Nuclei is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Multiple rescattering effects in the hard knockout reaction 2H(p,2p)n.
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+A+--+Hadrons+%26+Nuclei%22">European Physical Journal A -- Hadrons & Nuclei</searchLink>. Jul2025, Vol. 61 Issue 7, p1-18. 18p.
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  Data: <searchLink fieldCode="DE" term="%22Nuclear+reactions%22">Nuclear reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Multiple+scattering+%28Physics%29%22">Multiple scattering (Physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+interactions%22">Particle interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Deuteron+reactions%22">Deuteron reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Strong+interactions+%28Nuclear+physics%29%22">Strong interactions (Nuclear physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+measurement%22">Neutron measurement</searchLink>
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  Label: Abstract
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  Data: The interaction of a proton with a deuteron is the simplest nuclear reaction. However, it allows the study of precursors of nuclear medium effects such as initial-state/final-state interactions (ISI/FSI). In case of hard proton knockout, the deviation of ISI/FSI from the 'standard' values may carry a signal of color transparency. In this regard, it is important to define the 'standard' as precisely as possible. This work continues previous studies within the framework of the Generalized Eikonal Approximation (GEA). The focus is on processes where the participating protons experience multiple soft rescattering on the spectator neutron. It is shown that correct treatment of deviations of the trajectories of outgoing protons from the longitudinal direction leads to a significant modification of partial amplitudes with soft rescattering of two outgoing protons and non-vanishing amplitudes with rescattering of incoming and outgoing protons. The new treatment of multiple rescattering is important in kinematics with a forward spectator neutron. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Physical Journal A -- Hadrons & Nuclei is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1140/epja/s10050-025-01631-4
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        Type: general
      – SubjectFull: Multiple scattering (Physics)
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      – SubjectFull: Particle interactions
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      – SubjectFull: Deuteron reactions
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      – SubjectFull: Strong interactions (Nuclear physics)
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      – SubjectFull: Neutron measurement
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      – TitleFull: Multiple rescattering effects in the hard knockout reaction 2H(p,2p)n.
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              Text: Jul2025
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