Pentaquark Resonances from Collision Times

Details Pentaquark Resonances from Collision Times Pentaquark Resonances from Collision Times

2004-12-16

arxiv.org/abs/hep-ph/0412240v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at the International Workshop PENTAQUARK04, July 20-23 at Spring-8, Japan

Scientific paper

Having successfully explored the existing relations between the S-matrix and collision times in scattering reactions to study the conventional baryon and meson resonances, the method is now extended to the exotic sector. To be specific, the collision time in various partial waves of K+ N elastic scattering is evaluated using phase shifts extracted from the K+ N --> K+ N data as well as from model dependent T-matrix solutions. We find several pentaquark resonances including some low-lying ones around 1.5 to 1.6 GeV in the P_01, P_03 and D_03 partial waves of K+ N elastic scattering.

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