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Phys. Rev. Lett. 80, 3924–3927 (1998)

Radial Dependence of the Nucleon Effective Mass in 10B

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L. J. de Bever1,2, H. P. Blok1,3, R. S. Hicks4, C. W. de Jager1,5, N. Kalantar-Nayestanaki3,6, J. J. Kelly7, L. Lapikás1, R. A. Miskimen4, D. Van Neck6,8, G. A. Peterson4, G. van der Steenhoven1, and H. de Vries1
1Nationaal Instituut voor Kernfysica en Hoge-Energiefysica (NIKHEF), P.O. Box 41882, 1009 DB Amsterdam, The Netherlands
2Departement für Physik und Astronomie der Universität Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland
3Department of Physics and Astronomy, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands
4Department of Physics and Astronomy, University of Massachusetts, Amherst, Massachusetts 01003
5Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606
6Kernfysisch Versnellerinstituut, Rijksuniversiteit Groningen, 9747 AA Groningen, The Netherlands
7Department of Physics, University of Maryland, College Park, Maryland 20742
8Department of Subatomic and Radiation Physics, Rijksuniversiteit Gent, 9000 Gent, Belgium

Received 22 August 1997; published in the issue dated 4 May 1998

The dynamic properties of the atomic nucleus depend strongly on correlations between the nucleons. We present a combined analysis of inelastic electron-scattering data and electron-induced proton knockout measurements in an effort to obtain phenomenological information on nucleon-nucleon correlations. Our results indicate that the ratio of radial wave functions extracted from precise 10B(e,e′) and 10B(e,e′p) measurements evolve from an interior depression for small Em, characteristic of short-range correlations, to a surface-peaked enhancement for larger Em, characteristic of long-range correlations. This observation can be interpreted in terms of the nucleon effective mass.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.80.3924
DOI:
10.1103/PhysRevLett.80.3924
PACS:
25.30.Fj, 14.20.Dh, 25.30.Dh, 27.20.+n
 
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