Measurement of the 4. 8-MeV /sup 9/B state width by the reaction /sup 10/B(/sup 3/He,. cap alpha. )/sup 9/B(. cap alpha. ) /sup 5/Li at E( /sup 3/He) = 2. 3 and 5. 0 MeV

Journal Article · Mon Oct 13 00:00:00 EDT 1986 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.57.1839· OSTI ID:5135086

Arena, N; Cavallaro, S; Fazio, G; Giardina, G; Italiano, A; Mezzanares, F

The analog of the 4.7-MeV state of the /sup 9/Be nucleus has been observed in its mirror /sup 9/B by the reaction /sup 10/B(/sup 3/He, ..cap alpha..)/sup 9/B(..cap alpha..) /sup 5/Li (g.s.) at E( /sup 3/He) = 2.3 and 5.0 MeV. The excitation energy and width of the state have been deduced. The value of 1.5 +- 0.3 MeV found for the width is in line with the value deduced by the reaction /sup 7/Li(/sup 3/He,n) /sup 9/B, but it is larger by a factor of about 4 than the one measured by the proton following the ..beta../sup +/ decay of the /sup 9/C nucleus.

• Research Organization: Dipartimento di Fisica dell'Universita-grave-accent, 95129 Catania, Italy and Istituto Nazionale di Fisica Nucleare, Sezione di Catania, 95129 Catania, Italy
• OSTI ID: 5135086
• Journal Information: Phys. Rev. Lett.; (United States), Vol. 57:15
• Country of Publication: United States
• Language: English

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