August 28, 2016 to September 4, 2016
Europe/Athens timezone

CANCELLED: The anomalous triangle singulrity and its implications of threshold enhancements

Aug 29, 2016, 6:30 PM
30m
Amfitrion II (Makedonia Palace)

Amfitrion II

Makedonia Palace

Section B: Light Quarks Section B

Speaker

Qiang Zhao (Insitute of High Energy Physics, Chinese Academy of Sciences)

Description

I will review the conditions and properties of the anomalous triangle singularity (ATS) in the transition matrix elements. For certain processes, the ATS condition can be fulfilled and will produce measureable effects in physical observables. In particular, when the ATS threshold is located within the physical regime, it may produce threshold enhancements which can mix with pole structures generated by dynamic interactions. Criteria for distinguishing the kinematically produced ATS peaks and dynamically generated poles will be discussed. Examples will be given regarding the understanding of some of those recently observed threshold states.

Primary author

Qiang Zhao (Insitute of High Energy Physics, Chinese Academy of Sciences)

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