Eur. Phys. J. A (2009) 42: 461-464
https://doi.org/10.1140/epja/i2009-10822-6

Regular Article - Experimental Physics

Signature of a strong coupling with the continuum in ¹¹Be + ¹²⁰Sn scattering at the Coulomb barrier

¹ Departamento de Física Aplicada, Universidad de Huelva, E-21071, Huelva, Spain
² Departamento de Física Atómica Molecular y Nuclear, Universidad de Sevilla, E-41080, Sevilla, Spain
³ Instituto de Estructura de la Materia, CSIC, Madrid, E-28006, Madrid, Spain
⁴ The Andrzej Sołtan Institute for Nuclear Studies, 00-681, Warsaw, Poland
⁵ Centro Nacional de Aceleradores, Universidad de Sevilla-CSIC-Junta de Andalucía, E-41092, Sevilla, Spain

^* e-mail: luis.acosta@dfa.uhu.es

Received: 30 December 2008
Revised: 23 April 2009
Accepted: 6 May 2009
Published online: 10 June 2009

Abstract

The angular distribution for ¹¹Be + ¹²⁰Sn quasielastic scattering at E _lab = 32 MeV was measured at REX-ISOLDE, CERN. The interpretation of the data in terms of coupled-channel calculations suggests a strong coupling with the p -states lying in the continuum.