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Cubero M, Fernández-García JP, Rodríguez-Gallardo M, et al. Do halo nuclei follow Rutherford elastic scattering at energies below the barrier? The case of 11Li. Phys Rev Lett. 2012;109(26):262701doi: 10.1103/PhysRevLett.109.262701.
Cubero, M., Fernández-García, J. P., Rodríguez-Gallardo, M., Acosta, L., Alcorta, M., Alvarez, M. A., Borge, M. J., Buchmann, L., Diget, C. A., Al Falou, H., Fulton, B. R., Fynbo, H. O., Galaviz, D., Gómez-Camacho, J., Kanungo, R., Lay, J. A., Madurga, M., Martel, I., Moro, A. M., Mukha, I., Nilsson, T., Sánchez-Benítez, A. M., Shotter, A., Tengblad, O., & Walden, P. (2012). Do halo nuclei follow Rutherford elastic scattering at energies below the barrier? The case of 11Li. Physical review letters, 109(26), 262701. https://doi.org/10.1103/PhysRevLett.109.262701
Cubero, M, et al. "Do halo nuclei follow Rutherford elastic scattering at energies below the barrier? The case of 11Li." Physical review letters vol. 109,26 (2012): 262701. doi: https://doi.org/10.1103/PhysRevLett.109.262701
Cubero M, Fernández-García JP, Rodríguez-Gallardo M, Acosta L, Alcorta M, Alvarez MA, Borge MJ, Buchmann L, Diget CA, Al Falou H, Fulton BR, Fynbo HO, Galaviz D, Gómez-Camacho J, Kanungo R, Lay JA, Madurga M, Martel I, Moro AM, Mukha I, Nilsson T, Sánchez-Benítez AM, Shotter A, Tengblad O, Walden P. Do halo nuclei follow Rutherford elastic scattering at energies below the barrier? The case of 11Li. Phys Rev Lett. 2012 Dec 28;109(26):262701. doi: 10.1103/PhysRevLett.109.262701. Epub 2012 Dec 26. PMID: 23368554.
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Phys Rev Lett. 2012 Dec 28;109(26):262701. doi: 10.1103/PhysRevLett.109.262701. Epub 2012 Dec 26.

Do halo nuclei follow Rutherford elastic scattering at energies below the barrier? The case of 11Li.

Physical review letters

M Cubero, J P Fernández-García, M Rodríguez-Gallardo, L Acosta, M Alcorta, M A G Alvarez, M J G Borge, L Buchmann, C A Diget, H Al Falou, B R Fulton, H O U Fynbo, D Galaviz, J Gómez-Camacho, R Kanungo, J A Lay, M Madurga, I Martel, A M Moro, I Mukha, T Nilsson, A M Sánchez-Benítez, A Shotter, O Tengblad, P Walden

Affiliations

  1. Instituto de Estructura de la Materia CSIC, E28006 Madrid, Spain.

PMID: 23368554 DOI: 10.1103/PhysRevLett.109.262701

Abstract

The first measurement of the elastic scattering of the halo nucleus 11Li and its core 9Li on 208Pb at energies near the Coulomb barrier is presented. The 11Li+208Pb elastic scattering shows a strong reduction with respect to the Rutherford cross section, even at energies well below the barrier and down to very small scattering angles. This drastic change of the elastic differential cross section observed in 11Li+208Pb is the consequence of the halo structure of 11Li, as it is not observed in the elastic scattering of its core 9Li at the same energies. Four-body continuum-discretized coupled-channels calculations, based on a three-body model of the 11Li projectile, are found to explain the measured angular distributions and confirm that the observed reduction is mainly due to the strong Coulomb coupling to the dipole states in the low-lying continuum of 11Li. These calculations suggest the presence of a low-lying dipole resonance in 11Li close to the breakup threshold.

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