Formation of Hyper Hydrogen isotopes in light p-shell nuclei


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Аннотация

Recent experiment by A1 Collaboration at Mainz, namely identification of Λ4H hyperfragment from primary Λ9Li hypernucleus produced in reaction (e, eK+), stirred renewed interest in baryonic decay of hypernuclei. The important role of s−1sΛ excitation in p-shell hypernuclei as well as the existence of selection rules connected with [f] (Young diagram) was noted earlier within Translational Invariant Shell Model (TISM). The particular conditions of the present experiment (reaction is not selective and produces highly excited states) dictate extension of the simplest TISM: expansion of the harmonic oscillator basis space and compression of multiplets (to only (λμ) for L and [f] for S, T). Such modified TISM explains abundance production of Λ4H hyperfragment and predicts production of another Hyper Hydrogen Λ6H.

Авторлар туралы

R. Jolos

Bogoliubov Laboratory of Theoretical Physics; Dubna State University

Хат алмасуға жауапты Автор.
Email: jolos@theor.jinr.ru
Ресей, Dubna; Dubna

L. Majling

Nuclear Physics Institute

Email: jolos@theor.jinr.ru
Чехия, Řez

O. Majlingova

Czech Technical University

Email: jolos@theor.jinr.ru
Чехия, Prague

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