Yields and transverse momenta of the $^6$Li fragments in the emulsion at 4.5 GeV/c per nucleon

F.G. Lepekhin; D.M. Seliverstov; B.B. Simonov

doi:doi:10.1007/s100500050043

EPJ

Yields and transverse momenta of the ⁶Li fragments in the emulsion at 4.5 GeV/c per nucleon

F.G. Lepekhin - D.M. Seliverstov - B.B. Simonov

St.Petersburg Nuclear Physics Institute, Russian Academy of Sciences, RU-188350 Gatchina, Russia

Received: 4 August 1997 Communicated by V.V. Anisovich

Abstract
We present the results of the study of interaction of the relativistic ⁶Li nucleus with the momentum 4.5 GeV/c per nucleon with the photoemulsion. Yields of the ¹H (³He) and ²H (⁴He) isotopes due to the fragmentation of ⁶Li are found to be almost equal. Cross sections for the charge exchange and pickup reactions are found to be $\sigma_{exch}=9\pm2$ mb. The distributions of the fragment transverse momenta projected onto the emulsion plane are used to obtain the nucleon Fermi momentum of ⁶Li, P_F, this value being equal to $129\pm8$ MeV/c. The high momentum component in the transverse momentum distributions of ³He and ⁴He isotopes is observed.

PACS
25.10.+s Nuclear reactions involving few-nucleon systems

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EPJ

Yields and transverse momenta of the 6Li fragments in the emulsion at 4.5 GeV/c per nucleon

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Yields and transverse momenta of the ⁶Li fragments in the emulsion at 4.5 GeV/c per nucleon