Transition between nuclear and quark-gluon descriptions of hadrons and light nuclei

We provide a perspective on studies aimed at observing the transition between hadronic and quark-gluonic descriptions of reactions involving light nuclei. We begin by summarizing the results for relatively simple reactions such as the pion form factor and the neutral pion transition form factor as w...

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Bibliographic Details
Published in:Reports on progress in physics 2012-08, Vol.75 (8), p.086301-086301
Main Authors: Holt, R J, Gilman, R
Format: Article
Language:English
Subjects:
Color
Computer Simulation
Descriptions
Elementary Particles
Form factors
Hadrons
Models, Chemical
Nuclei
Nucleons
Phase Transition
Pions
Quantum Theory
Reactions (nuclear)
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Summary:We provide a perspective on studies aimed at observing the transition between hadronic and quark-gluonic descriptions of reactions involving light nuclei. We begin by summarizing the results for relatively simple reactions such as the pion form factor and the neutral pion transition form factor as well as that for the nucleon and end with exclusive photoreactions in our simplest nuclei. A particular focus will be on reactions involving the deuteron. It is noted that a firm understanding of these issues is essential for unravelling important structure information from processes such as deeply virtual Compton scattering as well as deeply virtual meson production. The connection to exotic phenomena such as color transparency will be discussed. A number of outstanding challenges will require new experiments at modern facilities on the horizon as well as further theoretical developments.
ISSN:0034-4885
1361-6633
DOI:10.1088/0034-4885/75/8/086301