ETA' PRODUCTION IN PROTON-PROTON SCATTERING CLOSE TO THRESHOLD

Authors
MOSKAL P BALEWSKI JT BUDZANOWSKI A DOMBROWSKI H GOODMAN C GRZONKA D HAIDENBAUER J HANHART C JARCZYK L JOCHMANN M KHOUKAZ A KILIAN K KOHLER M KOZELA A LISTER T MEISSNER UG NIKOLAEV N OELERT W QUENTMEIER C SANTO R SCHEPERS G SEDDIK U SEFZICK T SMYRSKI J SOKOLOWSKI M STRZALKOWSKI A THOMAS C WOLKE M WUSTNER P WYRWA D
Citation
P. Moskal et al., ETA' PRODUCTION IN PROTON-PROTON SCATTERING CLOSE TO THRESHOLD, Physical review letters, 80(15), 1998, pp. 3202-3205
Citations number
56
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
80
Issue
15
Year of publication
1998
Pages
3202 - 3205
Database
ISI
SICI code
0031-9007(1998)80:15<3202:EPIPSC>2.0.ZU;2-X
Abstract
The pp --> pp eta'(958) reaction has been measured at the cooler synch rotron COSY at Julich using the internal beam and the COSY-11 facility . The total cross sections at the four different excess energies Q = 1 .5, 1.7, 2.9, and 4.1 MeV have been evaluated to be sigma = 2.5 +/- 0. 5, 2.9 +/- 1.1, 12.7 +/- 3.2, and 25.2 +/- 3.6 nb, respectively. In th is region of excess energy the eta'(958) cross sections are much lower compared to those of the pi(0) and eta production.