Investigation of nuclear matter distribution of the neutron-rich He isotopes by proton elastic scattering at intermediate energies

O. A. Kiselev; F. Aksouh; A. Bleile; O. V. Bochkarev; L. V. Chulkov; D. Cortina-Gil; A. V. Dobrovolsky; P. Egelhof; H. Geissel; M. Hellström; N. B. Isaev; B. G. Komkov; M. Mátos; F. V. Moroz; G. Münzenberg; M. Mutterer; V. A. Mylnikov; S. R. Neumaier; V. N. Pribora; D. M. Seliverstov; L. O. Sergueev; A. Shrivastava; K. Sümmerer; H. Weick; M. Winkler; V. I. Yatsoura

doi:10.1140/epjad/i2005-06-156-3

2022 Impact factor 2.7

Hadrons and Nuclei

Open Access

Eur. Phys. J. A (2005) 25: 215-216
https://doi.org/10.1140/epjad/i2005-06-156-3

ENAM 2004

Investigation of nuclear matter distribution of the neutron-rich He isotopes by proton elastic scattering at intermediate energies

O. A. Kiselev¹^,2, F. Aksouh¹, A. Bleile¹, O. V. Bochkarev³, L. V. Chulkov³, D. Cortina-Gil¹, A. V. Dobrovolsky², P. Egelhof¹, H. Geissel¹, M. Hellström¹, N. B. Isaev², B. G. Komkov², M. Mátos¹, F. V. Moroz², G. Münzenberg¹, M. Mutterer⁴, V. A. Mylnikov², S. R. Neumaier¹, V. N. Pribora³, D. M. Seliverstov², L. O. Sergueev², A. Shrivastava¹, K. Sümmerer¹, H. Weick¹, M. Winkler¹ and V. I. Yatsoura²

¹ Gesellschaft für Schwerionenforschung, D-64291, Darmstadt, Germany
² Petersburg Nuclear Physics Institute, RU-188300, Gatchina, Russia
³ Kurchatov Institute, RU-123182, Moscow, Russia
⁴ Institut für Kernphysik, TU Darmstadt, D-64289, Darmstadt, Germany

Received: 12 November 2004
Accepted: 18 February 2005
Published online: 4 July 2005

Abstract

Absolute differential cross-sections for elastic p⁶He and p⁸He scattering were measured in inverse kinematics with secondary beams. In order to supplement data taken for small-angle scattering, differential cross-sections for higher momentum transfer were measured using liquid hydrogen target. Both data sets were analyzed together. They have permitted to deduce the radial shape of the nuclear matter distributions and the root-mean-square radii with the help of Glauber theory. In addition to a phenomenological analysis, used already in the previous work, a model-independent analysis with a help of a Sum-Of-Gaussians (SOG) method has been performed. The experimental p^6,8He elastic scattering cross-sections have also been compared with the predictions from various theoretical nuclear models.

PACS: 21.10.Gv Mass and neutron distributions – / 24.50.+g Direct reactions – / 25.10.+s Nuclear reactions involving few-nucleon systems – / 25.40.Cm Elastic proton scattering –

© Società Italiana di Fisica and Springer-Verlag, 2005