Coherent rho(0) production in ultraperipheral heavy-ion collisions.
Phys Rev Lett
; 89(27): 272302, 2002 Dec 30.
Article
in En
| MEDLINE
| ID: mdl-12513197
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*Au*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 sqrt[s(NN)]=130 GeV agree with theoretical predictions treating rho(0) production and Coulomb excitation as independent processes.
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Collection:
01-internacional
Database:
MEDLINE
Language:
En
Journal:
Phys Rev Lett
Year:
2002
Document type:
Article
Affiliation country: