Color transparency and hadron formation effects in high-energy reactions on nuclei

An incoming or outgoing hadron in a hard collision with large momentum transfer gets squeezed in the transverse direction to its momentum. In the case of nuclear targets, this leads to the reduced interaction of such had
An incoming or outgoing hadron in a hard collision with large momentum transfer gets squeezed in the transverse direction to its momentum. In the case of nuclear targets, this leads to the reduced interaction of such hadrons with surrounding nucleons which is known as color transparency (CT). The identification of CT in exclusive processes on nuclear targets is of significant interest not only by itself but also due to the fact that CT is a necessary condition for the applicability of factorization for the description of the corresponding elementary process. In this paper we discuss the semiexclusive processes A(e,e′π+) , A(π−,l−l+) and A(γ,π−p) . Since CT is closely related to hadron formation mechanism, the reduced interaction of ’pre-hadrons’ with nucleons is a common feature of generic high-energy inclusive processes on nuclear targets, such as hadron attenuation in deep inelastic scattering (DIS). We will discuss the novel way to study hadron formation via slow neutron production induced by a hard photon interaction with a nucleus. Finally, the opportunity to study hadron formation effects in heavy-ion collisions in the NICA regime will be considered.
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Metadaten
Author:Alexei B. Larionov, Mark Strikman
URN:urn:nbn:de:hebis:30:3-544416
DOI:http://dx.doi.org/10.3390/particles3010004
Parent Title (English):Particles
Publisher:MDPI
Place of publication:Basel
Document Type:Article
Language:English
Date of Publication (online):2020/01/17
Date of first Publication:2020/01/17
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2020/04/08
Tag:Glauber and Giessen Boltzmann–Uehling–Uhlenbeck (GiBUU) models; formation length; n,p,π and Λ+Σ0 production; semiexclusive processes; ultraperipheral and central heavy ion collisions
Volume:3
Issue:1
Pagenumber:15
First Page:24
Last Page:38
Note:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
HeBIS PPN:463782755
Institutes:Physik
Frankfurt Institute for Advanced Studies (FIAS)
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0

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