Special features of the $^9$Be$\to$2He fragmentation in emulsion at an energy of 1.2~A~GeV

A.D. Kovalenko; A.I. Malakhov; D.A. Artemenkov; E. Stan; G.I. Orlova; I.G. Zarubina; I. Tsakov; M. Haiduc; M.M. Chernyavsky; N.A. Kachalova

arxiv: nucl-ex/0605018 · v1 · submitted 2006-05-16 · ⚛️ nucl-ex

Special features of the ⁹Beto2He fragmentation in emulsion at an energy of 1.2~A~GeV

D.A. Artemenkov , V. Bradnova , M.M. Chernyavsky , N.A. Kachalova , A.D. Kovalenko , M. Haiduc , A.I. Malakhov , G.I. Orlova

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P.A. Rukoyatkin V.V. Rusakova T.V. Shchedrina E. Stan R. Stanoeva I. Tsakov P.I. Zarubin I.G. Zarubina

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keywords fragmentationemulsionenergyresultsalphaanalyzedangularchannel

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The results of investigations of the relativistic $^9$Be nucleus fragmentation in emulsion which entails the production of two He fragments of an energy of 1.2~A~GeV are presented. The results of the angular measurements of the $^9$Be$\to$2He events are analyzed. The $^9$Be$\to^8$Be+n fragmentation channel involving the $^8$Be decay from the ground (0$^+$) and the first excited (2$^+$) states to two $\alpha$ particles is observed to be predominant.

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Special features of the ⁹Beto2He fragmentation in emulsion at an energy of 1.2~A~GeV

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