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Title: Knockout and fragmentation reactions using a broad range of tin isotopes

Authors:
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Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1378408
Grant/Contract Number:
FG02-08ER41533
Resource Type:
Journal Article: Publisher's Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 96; Journal Issue: 3; Related Information: CHORUS Timestamp: 2017-09-05 10:37:53; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English

Citation Formats

Rodríguez-Sánchez, J. L., Benlliure, J., Bertulani, C. A., Vargas, J., Ayyad, Y., Alvarez-Pol, H., Atkinson, J., Aumann, T., Beceiro-Novo, S., Boretzky, K., Caamaño, M., Casarejos, E., Cortina-Gil, D., Díaz-Cortes, J., Fernández, P. Díaz, Estrade, A., Geissel, H., Kelić-Heil, A., Litvinov, Yu. A., Mostazo, M., Paradela, C., Pérez-Loureiro, D., Pietri, S., Prochazka, A., Takechi, M., Weick, H., and Winfield, J. S. Knockout and fragmentation reactions using a broad range of tin isotopes. United States: N. p., 2017. Web. doi:10.1103/PhysRevC.96.034303.
Rodríguez-Sánchez, J. L., Benlliure, J., Bertulani, C. A., Vargas, J., Ayyad, Y., Alvarez-Pol, H., Atkinson, J., Aumann, T., Beceiro-Novo, S., Boretzky, K., Caamaño, M., Casarejos, E., Cortina-Gil, D., Díaz-Cortes, J., Fernández, P. Díaz, Estrade, A., Geissel, H., Kelić-Heil, A., Litvinov, Yu. A., Mostazo, M., Paradela, C., Pérez-Loureiro, D., Pietri, S., Prochazka, A., Takechi, M., Weick, H., & Winfield, J. S. Knockout and fragmentation reactions using a broad range of tin isotopes. United States. doi:10.1103/PhysRevC.96.034303.
Rodríguez-Sánchez, J. L., Benlliure, J., Bertulani, C. A., Vargas, J., Ayyad, Y., Alvarez-Pol, H., Atkinson, J., Aumann, T., Beceiro-Novo, S., Boretzky, K., Caamaño, M., Casarejos, E., Cortina-Gil, D., Díaz-Cortes, J., Fernández, P. Díaz, Estrade, A., Geissel, H., Kelić-Heil, A., Litvinov, Yu. A., Mostazo, M., Paradela, C., Pérez-Loureiro, D., Pietri, S., Prochazka, A., Takechi, M., Weick, H., and Winfield, J. S. 2017. "Knockout and fragmentation reactions using a broad range of tin isotopes". United States. doi:10.1103/PhysRevC.96.034303.
@article{osti_1378408,
title = {Knockout and fragmentation reactions using a broad range of tin isotopes},
author = {Rodríguez-Sánchez, J. L. and Benlliure, J. and Bertulani, C. A. and Vargas, J. and Ayyad, Y. and Alvarez-Pol, H. and Atkinson, J. and Aumann, T. and Beceiro-Novo, S. and Boretzky, K. and Caamaño, M. and Casarejos, E. and Cortina-Gil, D. and Díaz-Cortes, J. and Fernández, P. Díaz and Estrade, A. and Geissel, H. and Kelić-Heil, A. and Litvinov, Yu. A. and Mostazo, M. and Paradela, C. and Pérez-Loureiro, D. and Pietri, S. and Prochazka, A. and Takechi, M. and Weick, H. and Winfield, J. S.},
abstractNote = {},
doi = {10.1103/PhysRevC.96.034303},
journal = {Physical Review C},
number = 3,
volume = 96,
place = {United States},
year = 2017,
month = 9
}

Journal Article:
Free Publicly Available Full Text
This content will become publicly available on September 5, 2018
Publisher's Accepted Manuscript

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  • A Gamma-ray spectroscopic study of excited states of isobaric multiplets has been performed in recent years, with a view to gaining a quantitative understanding of energy differences between excited states in terms of a range of Coulomb and other isospin breaking phenomena. Recently, the experimental programme has been augmented by a study of isobaric analogue states of mirror nuclei populated in mirrored fragmentation reactions. In this presentation, recent results on the T = 3/2 analogue states in the T{sub z} = {+-} 3/2 mirror pair {sup 53}Ni/{sup 53}Mn will be summarised. In this work, further strong evidence is found formore » the need to include an anomalous isospin-breaking two-body matrix element for angular-momentum couplings of J = 2, in addition the expected Coulomb contribution, in order to account for the experimental data.« less
  • The effects of core deformation and of its dynamical reorientation and rotational excitation on the inclusive single-neutron knockout reaction cross sections on light spherical target nuclei are examined. The projectile nuclei are modeled within the framework of a weak-coupling, quadrupole-deformed core-plus-neutron two-body model. We formulate the inclusion of this non-spectator-core degree of freedom within the nonperturbative eikonal model and calculate the elastic and inelastic breakup (or stripping) neutron-removal cross sections. We apply the methods to model the single-neutron removal reactions induced by {sup 11}Be and {sup 17}C secondary fragmentation beams incident on a {sup 9}Be target. Our calculations indicate thatmore » dynamical deformation effects on the elastic breakup component of the knockout cross section can be significant. This is the largest effect. The more geometrical stripping cross section is found to be hardly changed by the inclusion of the deformed core degree of freedom.« less
  • The recent assertion that shape coexistence occurs in the neutron-rich isotope {sup 43}S implies that a state observed at 940 keV in a previous study is a rotational excitation of the deformed ground state. Here we use results from two intermediate-energy reactions to demonstrate that this state--assigned an energy of 971 keV in the present work--is indeed a rotational state. This result strengthens the case for shape coexistence in {sup 43}S.
  • We have measured the spectra of the quartet of H and He isotopes over a wide range of energy at sunspot minimum modulation conditions in 1977. The measurements were made using balloon-borne and Voyager dE/dx x E telescopes. In both cases the isotopes are clearly resolved. The /sup 3/He and /sup 4/He observations provide a mutually consistent picture for the source spectra, galactic propagation, and solar modulation. The data define (1) interstellar /sup 1/H and /sup 4/H spectra of the form dj/dT = CT/sup 0.3/, where T/sub 0/ = 0.3 +- 0.1 GeV per nucleon; (2) an interstellar matter pathmore » length for both /sup 1/H and /sup 4/He = 7.5 +- 1 g cm/sup -2/ below 1 GeV per nucleon; (3) a total residual modulation at the time of measurement that corresponds to a modulation parameter phi = 450 +- 100 MV. The /sup 2/H observations suggest a very similar picture for galactic propagation. However, the measured ratios involving /sup 2/H are consistent with those predicted for interstellar space rather than the ratio expected after solar modulation has been taken into account. This could be explained if energy loss in interplanetary space were small, since it is the energy loss effects that smooth and change the interstellar ratios. The /sup 2/H results seem to be better explained by the now little used diffusion-convection solar modulation model. Rather than suggesting this as the correct explanation of the /sup 2/H data, however we feel that this is another indication of the inadequacy of the current modulation models.« less