Jun 21 – 26, 2015
Dipartimento di Fisica ed Astronomia, Università di Catania
Europe/Rome timezone
All the plenary sessions will be transmitted in streaming on the web. From Monday, June 22nd, a link will be available <a href='http://www.streamago.tv/channel/54955/default/iframe/' target='blank'> here </a>

Effect of $^{6}$Li resonances on near-barrier elastic scattering for reactions with several spherical targets

Jun 25, 2015, 5:00 PM
25m
INFN-LNS, Aula Azzurra (INFN-Laboratori Nazionali del Sud)

INFN-LNS, Aula Azzurra

INFN-Laboratori Nazionali del Sud

Invited Talk - Parallel Session Reactions and Structure - Unstable Nuclei Reactions and Structure - Unstable Nuclei

Speaker

Dr Arturo Gomez Camacho (Instituto Nacional de Investigaciones Nucleares, Mexico City, Mexico)

Click here to download the template: <a href="https://agenda.infn.it/materialDisplay.py?materialId=3&confId=5235"> Word </a>, <a href="https://agenda.infn.it/materialDisplay.py?materialId=2&confId=5235">Latex</a>

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\begin{document}
% do not change the conference title
\noindent{\underline{The 12th International Conference on Nucleus-Nucleus Collisions, June 21-26, 2015, Catania, Italy}}

\vspace*{0.5cm}
\begin{center}
{\large \bf Effect of $^{6}$Li resonances on near-barrier elastic scattering
for reactions with several spherical targets}
\end{center}

\begin{center}
%
\underline{A. G\'{o}mez Camacho}$^{1}$, A. Diaz-Torres$^{2}$, P.R.S. Gomes$^{3}$ and J. Lubian$^{3}$
\end{center}

\begin{center}
% these are the corresponding institutions
{\em $^{1}$Departamento de Aceleradores\
Instituto Nacional de Investigaciones Nucleares\
Apartado Postal 18-1027, C.P. 11801, M\'{e}xico City, M\'{e}xico} \
{\em $^2$European Centre for Theoretical Studies in Nuclear Physics
and Related Areas,\
Strada delle Tabarelle, 286, I-38123 Villazzano Trento, Italy}\
{\em $^{3}$Instituto de Fisica, Universidade Federal Fluminense.\
Avenida Litoranea s/n, Gragoat\'{a}, Niter\'{o}i RJ 24210-340, Brazil}
\end{center}

% write your abstract here
Calculations of elastic scattering angular distributions for reactions of
the weakly bound projectile $^{6}$Li with targets $^{28}$Si, $^{58}$Ni, $^{144}$Sm and $^{208}$Pb at
energies just above the Coulomb barrier are performed with the
continuum-discretized coupled-channel calculation method. Ground, resonant
and non-resonant continuum states of $^{6}$Li are included in the convergent
calculations. The effect of the resonances on elastic scattering angular
distributions is studied, in an original procedure, by excluding from the
continuum space those states corresponding to the resonances. When the
resonances of $^{6}$Li are considered, the calculated elastic scattering
angular distributions are in good agreement with the measurements. The
exclusion of the resonances produces a small effect for the light targets, however the effect
increases for the heavier systems. Calculation of the polarization potentials associated with
the resonances show that they have a repulsive character at the long range
region, where scattering occurs. It is also confirmed that couplings to
continuum states of $^{6}$Li are essential to achieve agreement with the
data.

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% write your references here
[1] Y. Sakuragi, M. Yahiro, M. Kamimura, Prog. Theor. Phys.
Suppl. \textbf{89}, 1 (1986).

[2] N. Austern, Y. Iseri, M. Kamimura, M. Kawai, G.
Rawitscher, M. Yahiro, Phys. Rep. \textbf{154}, 125 (1987).

[3] Y. Sakuragi, M. Yahiro, M. Kimimura, Prog. Theor. Phys.
\textbf{68}, 322 (1982).

[5] A. D\'{\i}az-Torres, I.J. Thompson, C. Beck, Phys. Rev. C
\textbf{68}, 044607 (2003).

[6] C. Beck, N. Keeley, A. Diaz-Torres, Phys. Rev. C \textbf{75}%
, 054605 (2007).

[7] K.Rusek, N.Keeley, A.Pakou, N.Alamanos, Nucl. Phys. A
\textbf{784}, 13 (2007).

[8] D.R. Otomar, J. Lubian, P.R.S. Gomes, Eur. Phys. J. A.
\textbf{46}, 285 (2010).

[9] I.J. Thompson \emph{et al}., Nucl. Phys. A \textbf{505},
84 (1989).

\end{document}

Primary author

Dr Arturo Gomez Camacho (Instituto Nacional de Investigaciones Nucleares, Mexico City, Mexico)

Co-authors

Dr Alexis Díaz Torres (European Centre for Theoretical Studies in Nuclear Physics and Related Areas, Trento Italy) Dr Jesus Lubian (Instituto de Fisica, Universidade Federal Fluminense, Niteroi, Brazil) Dr Paulo Gomes (Instituto de Fisica, Universidade Federal Fluminense, Niteroi, Brasil)

Presentation materials