Production of η and η′ mesons on nucleons and nuclei

被引：62

作者：

Krusche, B. ^{[1
]}

Wilkin, C. ^{[2
]}

机构：

[1] Univ Basel, Dept Phys, CH-4056 Basel, Switzerland

[2] UCL, Dept Phys & Astron, London WC1E 6BT, England

来源：

PROGRESS IN PARTICLE AND NUCLEAR PHYSICS | 2015年 / 80卷

关键词：

Photoproduction; Hadroproduction; eta and eta ' mesons; NEAR-THRESHOLD PHOTOPRODUCTION; TOTAL CROSS-SECTION; PROTON-PROTON COLLISIONS; FINAL-STATE INTERACTION; TENSOR ANALYZING POWER; IN-MEDIUM PROPERTIES; REACTION GAMMA-P; QUASI-FREE; COHERENT PHOTOPRODUCTION; MESIC NUCLEI;

D O I：

10.1016/j.ppnp.2014.10.001

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The production of eta and eta' mesons in photon- and hadron-induced reactions on free and quasi-free nucleons and on nuclei is reviewed. The extensive database on gamma N --> eta N, for both proton and neutron targets, is described in detail and its implications for the search for N* resonances much heavier than the dominant S-11(1535) discussed. Though less is currently known about the production of the eta' or of eta pi pairs, these also offer tantalizing prospects in the search for the missing isobars. The more limited data available on pion-induced production are still necessary ingredients in the partial wave analysis discussed. The production of the eta-meson in pp and pn collisions shows once again the strong influence of the S-11(1535) isobar, which is in contrast to the relatively weak behaviour seen near threshold for eta' production. This difference is reflected in the important final State interaction effects of the eta in nuclei that may even lead to this meson being "bound" in some systems. The evidence for this is reviewed for both gamma A and pA collisions. The inclusive photoproduction of eta, eta', and eta pi pairs from nuclei provides further information regarding the production mechanism and the interaction of the eta and eta' with nuclei and the eta pi pairs may even allow access to low mass eta A systems that are forbidden in direct single-meson photoproduction. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：43 / 95

页数：53

共 301 条

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