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Core-breakup reacti...
Core-breakup reactions of the halo nuclei Be-11 and Li-11: momentum distributions and shadow effects
- Article/chapterEnglish1999
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LIBRIS-ID:oai:research.chalmers.se:64cce58e-bd77-4408-b801-14a1e7d8e590
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https://research.chalmers.se/publication/11018URI
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https://doi.org/10.1016/S0375-9474(99)00102-5DOI
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Language:English
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Summary in:English
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The halo nuclei Be-11 and Li-11 have been studied in core-breakup reactions where the halo neutrons are expected to be released without a major distortion due to the reaction. The widths of the halo-neutron momentum distributions have been extracted in coincidence with He fragments, Gamma = 32 +/- 4 MeV/c, and Li fragments, Gamma = 42 +/- 4 MeV/c for Be-11 and with He fragments, Gamma =42+/-6 MeV/c for Li-11. The Be-11 breakup gives a very low neutron multiplicity of 0.38+/-0.09 which is a manifestation of the shadowing of the neutron in the core-breakup reaction. This value can be understood from a simple theoretical calculation, which also accounts for the observed transverse momentum widths at small angles. (C) 1999 Elsevier Science B.V.
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Axelsson, L.
(author)
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Angelique, J. C.
(author)
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Anne, R.
(author)
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Guillemaud-Mueller, D.
(author)
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Hansen, P. G.
(author)
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Hornshoj, P.
(author)
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Jonson, Björn,1941Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)bjn
(author)
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Lewitowicz, M.
(author)
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Mueller, A. C.
(author)
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Nilsson, Thomas,1965Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)tnilsson
(author)
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Nyman, Göran Hugo,1943Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)f2bgn
(author)
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Orr, N. A.
(author)
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Pougheon, F.
(author)
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Riisager, K.
(author)
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Saint-Laurent, M. G.
(author)
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Smedberg, Martin,1967Chalmers tekniska högskola,Chalmers University of Technology
(author)
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Sorlin, O.
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
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In:Nuclear Physics A650:1, s. 47-610375-9474
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Grevy, S.
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Axelsson, L.
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Angelique, J. C.
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Anne, R.
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Guillemaud-Muell ...
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Hansen, P. G.
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Hornshoj, P.
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Jonson, Björn, 1 ...
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Lewitowicz, M.
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Mueller, A. C.
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Nilsson, Thomas, ...
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Nyman, Göran Hug ...
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Orr, N. A.
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Pougheon, F.
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Riisager, K.
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Saint-Laurent, M ...
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Smedberg, Martin ...
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Chalmers University of Technology