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.

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. Colo', I. Dillmann, P. Egelhof, A. Estrade, F. Farinon, H. Geissel, S. Ilieva, A.G. Inglessi, Y. Ke, A.V. Khanzadeev, O.A. Kiselev, J. Kurcewicz, L.X. Chung, Y.A. Litvinov, G.E. Petrov, A. Prochazka, C. Scheidenberger, L.O. Sergeev, H. Simon, M. Takechi, V. Volkov, A.A. Vorobyov, H. Weick, V.I. Yatsoura. - In: NUCLEAR PHYSICS. A. - ISSN 0375-9474. - 1008(2021 Apr), pp. 122154.1-122154.19. [10.1016/j.nuclphysa.2021.122154]

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

G. Colo';
2021-04

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.
¹²,¹⁴, ¹⁵ , ¹⁶ , ¹⁷; C; Nuclear matter distribution; Nuclear matter radii; Proton-nucleus elastic scattering
Settore FIS/04 - Fisica Nucleare e Subnucleare
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/871023
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