ITP Hadron Physics Seminars and Workshops

New pentaquarks at LHCb

by Prof. Liming Zhang (Tsinghua University)

Asia/Shanghai
6620 (ITP South Building)

6620

ITP South Building

Description

In 2015 the LHCb collaboration reported observation of significant J/psi p pentaquark structures in the $\Lambda_b^0 -> J/\psi p K^-$ decay using Run 1 data. This is a major turning point in the exotic baryon spectroscopy. At this seminar, an update on this pentaquark study with full Run 1 and 2 data collected by the LHCb detector will be presented. New pentaquark state and more complex structures are observed. Possible interpretation will be also discussed.

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