Measurement of the @ Cross Section near the Threshold with a High Energy Resolution

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Аннотация

A method for measuring cross sections at  colliders for the case where the center-of-mass frame of colliding particles moves in the laboratory frame is proposed. Within this method, the energy dependence of the cross section is extracted from the angular distribution of interaction products. The method applied to the process is found to be sensitive. This method provides the possibility of studying the fine structure of the cross section near the threshold at scales much less than the energy spread of the beams used. Similar measurements may be implemented in experiments at the Super Charm-Tau Factory.

Авторлар туралы

A. Bobrov

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Email: A.V.Bobrov@inp.nsk.su
Novosibirsk, Russia; Novosibirsk, Russia

A. Bondar

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Хат алмасуға жауапты Автор.
Email: A.E.Bondar@inp.nsk.su
Novosibirsk, Russia; Novosibirsk, Russia

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