Pentaquark Searches at CDF
Igor V. Gorelov (for the CDF Collaboration)
TL;DR
This paper reports on a search for the Xi_(3/2)(1860) pentaquark at CDF, finding no evidence and setting upper limits on its production relative to known resonances.
Contribution
First search for the Xi_(3/2)(1860) pentaquark at CDF with null results and preliminary upper limits on its yield.
Findings
No evidence for Xi_(3/2)(1860) in the analyzed modes.
Upper limits on pentaquark yields relative to Xi*0(1530).
Results constrain future searches for this pentaquark.
Abstract
Experimental results of a search for the Xi_(3/2)(1860) cascade pentaquark state in data collected with the CDF 2 Detector in Run II at the Tevatron are presented. No evidence for these states in the neutral Xi-pi+ and doubly charged Xi-pi- modes has been found. Preliminary upper limits on yields at 1862 MeV/c**2 relative to the well established resonance Xi*0(1530) are presented.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research