Halo effects in the low-energy scattering of 15C with heavy targets

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  • J. D. Ovejas, CSIC
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  • A. Knyazev, Lund University
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  • I. Martel, University of Liverpool, University of Huevla
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  • O. Tengblad, CSIC
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  • M. J.G. Borge, CSIC
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  • J. Cederkäll, Lund University
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  • N. Keeley, National Centre for Nuclear Research
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  • K. Rusek, University of Warsaw
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  • C. García-Ramos, University of Huevla
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  • L. A. Acosta, Universidad Nacional Autónoma de México
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  • A. A. Arokiaraj, KU Leuven
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  • M. Babo, KU Leuven
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  • T. Cap, National Centre for Nuclear Research
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  • N. Ceylan, University of Huevla
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  • G. De Angelis, Laboratori Nazionali di Legnaro
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  • A. Di Pietro, National Institute for Nuclear Physics
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  • J. P. Fernández, National Institute for Nuclear Physics
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  • P. Figuera, National Institute for Nuclear Physics
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  • L. Fraile, Complutense University
  • ,
  • H. Fynbo
  • D. Galaviz, Laboratório de Instrumentação e Física Experimental de Partículas
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  • J. H. Jensen
  • B. Jonson, Chalmers University of Technology
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  • R. Kotak, Queen's University Belfast
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  • T. Kurtukian, CNRS
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  • M. Madurga, Texas A and M University
  • ,
  • G. Marquínez-Durán, University of Huevla
  • ,
  • M. Munch
  • A. K. Orduz, GANIL Grand Accelerateur National d'Ions Lourds
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  • R. Honório, Laboratório de Instrumentação e Física Experimental de Partículas
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  • A. Pakou, HINP
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  • T. Pérez, University of Huevla
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  • L. Peralta, Laboratório de Instrumentação e Física Experimental de Partículas
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  • A. Perea, CSIC
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  • R. Raabe, KU Leuven
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  • M. Renaud, KU Leuven
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  • K. Riisager
  • A. M. Sánchez-Benítez, University of Huevla
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  • J. Sánchez-Segovia, University of Huevla
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  • O. Sgouros, HINP
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  • V. Soukeras, HINP
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  • P. Teubig, Laboratório de Instrumentação e Física Experimental de Partículas
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  • S. Viñals, CSIC
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  • M. Wolińska-Cichocka, University of Warsaw
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  • R. Wolski, Polish Academy of Sciences
  • ,
  • J. Yang, KU Leuven

The neutron-rich carbon isotope 15C was postulated to be a halo nucleus (Sn = 1215 keV, S2n = 9395 keV) according to different high-energy experiments. If so, it would be the only halo nucleus exhibiting a "pure" s-wave structure of the ground state. At low collision energies, the effect of this halo structure should manifest as a strong absorption pattern in the angular distribution of the elastic cross section, with a total suppression of the nuclear rainbow due to the large neutron transfer and breakup probabilities, enhanced by the halo configuration. The IS619 experiment, carried out at the HIE-ISOLDE facility at CERN (Switzerland), is the first dynamical study of this nucleus at energies around the Coulomb barrier. It aims to probe the halo structure via the measurement of the elastic cross section on a high-Z 208Pb target. Preliminary results of the elastic cross section are discussed and compared to Optical Model calculations.

OriginalsprogEngelsk
TidsskriftActa Physica Polonica B
Vol/bind51
Nummer3
Sider (fra-til)731-736
Antal sider6
ISSN0587-4254
DOI
StatusUdgivet - 1 jan. 2020

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