FIZIKA B 4 (1995) 3, 229-236

¹¹B(p,aa)⁴He REACTION IN COLLINEARITY CONFIGURATIONS

MLADEN BOGOVAC, STJEPKO FAZINI�, MILKO JAK�I�, MARCELLO LATTUADA^*, �URO MILJANI�, NEVEN SOI�, CLAUDIO SPITALERI^* and MILE ZADRO
Ru�er Bo�kovi� Institute, POB 1016, 10001 Zagreb, Croatia
^*Universita di Catania and INFN, Laboratorio Nazionale del Sud, Catania, Italy

Dedicated to Professor Mladen Pai� on the occasion of his 90^th birthday

Received 4 July 1995
Revised manuscript received 11 September 1995

The ¹¹B(p,aa)⁴He reaction was measured at eight incident proton energies, from 2 to 5.5 MeV, for the collinearity configurations (an a-particle at rest in the c.m. system). The results are compared with predictions of the Sch�fer model. Involvement of the ¹²C states with excitation energy between 17.8 and 21 MeV is discussed.

UDC 539.17
PACS 25.40.-h, 25.70.Ef, 27.20.+n

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