Search for the pentaquark via the P^0_{{c bar}s} --> phi,pi,p decay
| dc.creator | E791 Collaboration | |
| dc.creator | al, E. M. Aitala et | |
| dc.date | 1997-09-14 | |
| dc.date.accessioned | 2026-07-07T11:34:31Z | |
| dc.date.available | 2026-07-07T11:34:31Z | |
| dc.description | We report results of the first search for the pentaquark P_{{c bar}s} which is predicted to be a doublet of states: P^0_{{c bar}s}=({c bar} s u u d) and P^-_{{c bar}s}=({c bar} s d d u). A search was made for the decay P^0_{{c bar}s} --> phi,pi,p in data from Fermilab experiment E791, in which 500 GeV/c pi^- beam interacted with nuclear targets. We present upper limits at 90% confidence level for the ratio of cross section times branching fraction of this decay to that for the decay D_s --> phi,pi. The upper limits are 0.031 and 0.063 for M(P^0_{{c bar}s}) = 2.75 and 2.86 GeV/c^2, respectively, assuming a P^0_{{c bar}s} lifetime of 0.4 ps. | |
| dc.description | 9 pages postscript file, 11 pages Latex file, one Figure. Submitted to Physical Review Letters | |
| dc.identifier | https://arxiv.org/abs/hep-ex/9709013 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/9709013 | |
| dc.identifier | Phys.Rev.Lett.81:44-48,1998 | |
| dc.identifier | doi:10.1103/PhysRevLett.81.44 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/198279 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Search for the pentaquark via the P^0_{{c bar}s} --> phi,pi,p decay | |
| dc.type | text |