Nuclear matter distributions in the neutron-rich carbon isotopes 14−17C from intermediate-energy proton elastic scattering in inverse kinematics

A. V. Dobrovolsky, G. A. Korolev, S. Tang, G. D. Alkhazov, G. Colò, I. Dillmann, P. Egelhof, A. Estradé, F. Farinon, H. Geissel, S. Ilieva, A. G. Inglessi, Y. Ke, A. V. Khanzadeev, O. A. Kiselev, J. Kurcewicz, L. X. Chung, Yu A. Litvinov, G. E. Petrov, A. ProchazkaC. Scheidenberger, L. O. Sergeev, H. Simon, M. Takechi, V. Volkov, A. A. Vorobyov, H. Weick, V. I. Yatsoura

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Abstract

The absolute differential cross sections for small-angle proton elastic scattering off the nuclei 12,14−17C have been measured in inverse kinematics at energies near 700 MeV/u at GSI Darmstadt. The hydrogen-filled ionization chamber IKAR served simultaneously as a gas target and a detector for the recoil protons. The projectile scattering angles were measured with multi-wire tracking detectors. The radial nuclear matter density distributions and the root-mean-square nuclear matter radii were deduced from the measured cross sections using the Glauber multiple-scattering theory. A possible neutron halo structure in 15C, 16C and 17C is discussed. The obtained data show evidence for a halo structure in the 15C nucleus.

Original languageEnglish
Article number122154
JournalNuclear Physics A
Volume1008
DOIs
StatePublished - Apr 2021

Keywords

  • C
  • Nuclear matter distribution
  • Nuclear matter radii
  • Proton-nucleus elastic scattering

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