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One-Neutron Removal Measurement Reveals O-24 as a New Doubly Magic Nucleus

Kanungo, R. (author)
Nociforo, C. (author)
Prochazka, A. (author)
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Aumann, T. (author)
Boutin, D. (author)
Cortina-Gil, D. (author)
Davids, B. (author)
Diakaki, M. (author)
Farinon, F. (author)
Geissel, H. (author)
Gernhauser, R. (author)
Gerl, J. (author)
Janik, R. (author)
Jonson, Björn, 1941 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Kindler, B. (author)
Knobel, R. (author)
Krucken, R. (author)
Lantz, Mattias, 1971 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Lenske, H. (author)
Litvinov, Y. (author)
Lommel, B. (author)
Mahata, K. (author)
Maierbeck, P. (author)
Musumarra, A. (author)
Nilsson, Thomas, 1965 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Otsuka, T. (author)
Perro, C. (author)
Scheidenberger, C. (author)
Sitar, B. (author)
Strmen, P. (author)
Sun, B. (author)
Szarka, I. (author)
Tanihata, I. (author)
Utsuno, Y. (author)
Weick, H. (author)
Winkler, M. (author)
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 (creator_code:org_t)
2009
2009
English.
In: Physical Review Letters. - 1079-7114 .- 0031-9007. ; 102:15
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The first measurement of the momentum distribution for one-neutron removal from O-24 at 920A MeV performed at GSI, Darmstadt is reported. The observed distribution has a width (FWHM) of 99 +/- 4 MeV/c in the projectile rest frame and a one-neutron removal cross section of 63 +/- 7 mb. The results are well explained with a nearly pure 2s(1/2) neutron spectroscopic factor of 1.74 +/- 0.19 within the eikonal model. This large s-wave probability shows a spherical shell closure thereby confirming earlier suggestions that O-24 is a new doubly magic nucleus.

Subject headings

NATURVETENSKAP  -- Fysik -- Subatomär fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Subatomic Physics (hsv//eng)

Keyword

li-11
isotopes
fragment
particle stability

Publication and Content Type

art (subject category)
ref (subject category)

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