Search for $e^+e^- --> Lambda_b^0 barLambda_b^0 Near Threshold
D. Besson, et al, CLEO Collaboration
TL;DR
This study investigates Lambda_b anti-Lambda_b production near threshold energies in e+e- collisions, aiming to identify resonance signals and establish production limits using inclusive hadron data.
Contribution
It provides the first search for Lambda_b anti-Lambda_b resonance production near threshold energies in e+e- collisions and sets upper limits on their production rates.
Findings
No evidence of Lambda_b anti-Lambda_b resonance observed.
Upper limits established for Lambda_b anti-Lambda_b production cross sections.
Enhanced understanding of bottom baryon production near threshold energies.
Abstract
Using the CLEO III detector at CESR we study e+e- collisions in the center-of-mass energy close to, or above, Lambda_b anti-Lambda_b production threshold. We search for evidence of Lambda_b anti-Lambda_b resonance production and set upper limits based on inclusive hadron production as a barometer of Lambda_b anti-Lambda_b production.
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