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Pis'ma v Zh. Èksper. Teoret. Fiz., 2016, Volume 104, Issue 5, Pages 299–302 (Mi jetpl5049)  

FIELDS, PARTICLES, AND NUCLEI

Inelastic $^9\mathrm{Be} + \alpha$ scattering at $90$ MeV: Whether the concept of the $^9\mathrm{Be}$ structure should be changed?

A. S. Demyanovaa, A. A. Ogloblina, A. N. Danilova, S. V. Dmitrieva, V. I. Starostina, S. A. Goncharovb, T. L. Belyaevac, W. H. Trzaskad

a National Research Centre Kurchatov Institute, Moscow, Russia
b Moscow State University, Moscow, Russia
c Universidad Autonomo del Estado de Mexico, Toluca, Mexico
d JYFL, Department of Physics, University of Jyväskylä, Jyväskylä, Finland

Abstract: Experimental data on inelastic $^9\mathrm{Be} + \alpha$ scattering induced by $90$-MeV $\alpha$ particles are analyzed. The $2.78$-MeV excited state is shown to have spin-parity of $I^{\pi}=1/2^-$ in agreement with the existing data. For the $4.70$-MeV excited state, it is impossible to make an unambiguous choice between the previous value $I^{\pi}=3/2^+$, and the proposed new value $I^{\pi}=1/2^-$.

Funding Agency Grant Number
Russian Science Foundation 14-12-00079
Russian Foundation for Basic Research 14-02-00560_а


DOI: https://doi.org/10.7868/S0370274X1617001X

Full text: PDF file (219 kB)
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English version:
Journal of Experimental and Theoretical Physics Letters, 2016, 104:5, 289–292

Bibliographic databases:

Received: 11.07.2016
Revised: 28.07.2016

Citation: A. S. Demyanova, A. A. Ogloblin, A. N. Danilov, S. V. Dmitriev, V. I. Starostin, S. A. Goncharov, T. L. Belyaeva, W. H. Trzaska, “Inelastic $^9\mathrm{Be} + \alpha$ scattering at $90$ MeV: Whether the concept of the $^9\mathrm{Be}$ structure should be changed?”, Pis'ma v Zh. Èksper. Teoret. Fiz., 104:5 (2016), 299–302; JETP Letters, 104:5 (2016), 289–292

Citation in format AMSBIB
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\paper Inelastic $^9\mathrm{Be} + \alpha$ scattering at $90$ MeV: Whether the concept of the $^9\mathrm{Be}$ structure should be changed?
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2016
\vol 104
\issue 5
\pages 299--302
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\crossref{https://doi.org/10.7868/S0370274X1617001X}
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\jour JETP Letters
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  • Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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