期刊
PROGRESS IN PARTICLE AND NUCLEAR PHYSICS
卷 92, 期 -, 页码 1-49出版社
ELSEVIER
DOI: 10.1016/j.ppnp.2016.06.005
关键词
Hadron; String; Holography
资金
- center of excellence - Israel Science Foundation [1989/14]
- US-Israel bi-national fund (BSF) [2012383]
- Germany Israel bi-national fund GIF [I-244-303.7-2013]
Holography inspired stringy hadrons (HISH) is a set of models that describe hadrons: mesons, baryons and glueballs as strings in flat four dimensional space-time. The models are based on a map from stringy hadrons of holographic confining backgrounds. In this note we review the derivation of the models. We start with a brief reminder of the passage from the AdS(5) x S-5 string theory to certain flavored confining holographic models. We then describe the string configurations in holographic backgrounds that correspond to a Wilson line, a meson, a baryon and a glueball. The key ingredients of the four dimensional picture of hadrons are the string endpoint mass and the baryonic string vertex. We determine the classical trajectories of the HISH. We review the current understanding of the quantization of the hadronic strings. We end with a summary of the comparison of the outcome of the HISH models with the PDG data about mesons and baryons. We extract the values of the tension, masses and intercepts from best fits, write down certain predictions for higher excited hadrons and present attempts to identify glueballs. (C) 2016 Published by Elsevier B.V.
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