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Coherent rho(0) production in ultraperipheral heavy-ion collisions

Adler, C; Ahammed, Z; Allgower, C; Amonett, J; Anderson, BD; Anderson, M; Averichev, GS; ... STAR Collaboration, .; + view all (2002) Coherent rho(0) production in ultraperipheral heavy-ion collisions. PHYS REV LETT , 89 (27) , Article 272302. 10.1103/PhysRevLett.89.272302. Green open access

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Abstract

The STAR Collaboration reports the first observation of exclusive rho(0) photoproduction, AuAu-->AuAurho(0), and rho(0) production accompanied by mutual nuclear Coulomb excitation, AuAu-->Au(star)Au(star)rho(0), in ultraperipheral heavy-ion collisions. The rho(0) have low transverse momenta, consistent with coherent coupling to both nuclei. The cross sections at s(NN)=130 GeV agree with theoretical predictions treating rho(0) production and Coulomb excitation as independent processes.

Type: Article
Title: Coherent rho(0) production in ultraperipheral heavy-ion collisions
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.89.272302
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.89.272302
Language: English
Keywords: VECTOR-MESON PRODUCTION, PHOTON, PHOTOPRODUCTION, SPECTRA, PHYSICS, HERA
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1324902
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