Near- and sub-barrier fusion of the Be 7 + Ni 58 system

E. Martinez-Quiroz; E. F. Aguilera; D. Lizcano; P. Amador-Valenzuela; H. García-Martínez; J. J. Kolata; A. Roberts; L. O. Lamm; G. Rogachev; V. Guimarães; F. D. Becchetti; A. Villano; M. Ojaruega; M. Febbraro; Y. Chen; H. Jiang; P. A. Deyoung; G. F. Peaslee

doi:10.1103/PhysRevC.90.014616

Near- and sub-barrier fusion of the Be 7 + Ni 58 system

E. Martinez-Quiroz, E. F. Aguilera, D. Lizcano, P. Amador-Valenzuela, H. García-Martínez, J. J. Kolata, A. Roberts, L. O. Lamm, G. Rogachev, V. Guimarães, F. D. Becchetti, A. Villano, M. Ojaruega, M. Febbraro, Y. Chen, H. Jiang, P. A. Deyoung, G. F. Peaslee

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

Evaporation proton yields were measured for the fusion of the radioactive proton-rich nucleus Be7 onto a Ni58 target at six near-barrier energies. Total fusion cross sections were deduced by using calculated proton multiplicities. The resulting fusion excitation function shows a considerable enhancement with respect to calculations for a bare potential, even for energies above the Coulomb barrier. Inelastic couplings can account for the enhancement at the highest energy. Total fusion channels nearly saturate the total reaction cross section in the measured energy region. Comparison with previous results scaled appropriately for 7Be+(27Al,238U) shows good agreement.

Original language	English (US)
Article number	014616
Journal	Physical Review C - Nuclear Physics
Volume	90
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.90.014616
State	Published - Jul 29 2014

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Martinez-Quiroz, E., Aguilera, E. F., Lizcano, D., Amador-Valenzuela, P., García-Martínez, H., Kolata, J. J., Roberts, A., Lamm, L. O., Rogachev, G., Guimarães, V., Becchetti, F. D., Villano, A., Ojaruega, M., Febbraro, M., Chen, Y., Jiang, H., Deyoung, P. A., & Peaslee, G. F. (2014). Near- and sub-barrier fusion of the Be 7 + Ni 58 system. Physical Review C - Nuclear Physics, 90(1), [014616]. https://doi.org/10.1103/PhysRevC.90.014616

Near- and sub-barrier fusion of the Be 7 + Ni 58 system. / Martinez-Quiroz, E.; Aguilera, E. F.; Lizcano, D.; Amador-Valenzuela, P.; García-Martínez, H.; Kolata, J. J.; Roberts, A.; Lamm, L. O.; Rogachev, G.; Guimarães, V.; Becchetti, F. D.; Villano, A.; Ojaruega, M.; Febbraro, M.; Chen, Y.; Jiang, H.; Deyoung, P. A.; Peaslee, G. F.

In: Physical Review C - Nuclear Physics, Vol. 90, No. 1, 014616, 29.07.2014.

Research output: Contribution to journal › Article › peer-review

Martinez-Quiroz, E, Aguilera, EF, Lizcano, D, Amador-Valenzuela, P, García-Martínez, H, Kolata, JJ, Roberts, A, Lamm, LO, Rogachev, G, Guimarães, V, Becchetti, FD, Villano, A, Ojaruega, M, Febbraro, M, Chen, Y, Jiang, H, Deyoung, PA & Peaslee, GF 2014, 'Near- and sub-barrier fusion of the Be 7 + Ni 58 system', Physical Review C - Nuclear Physics, vol. 90, no. 1, 014616. https://doi.org/10.1103/PhysRevC.90.014616

Martinez-Quiroz, E. ; Aguilera, E. F. ; Lizcano, D. ; Amador-Valenzuela, P. ; García-Martínez, H. ; Kolata, J. J. ; Roberts, A. ; Lamm, L. O. ; Rogachev, G. ; Guimarães, V. ; Becchetti, F. D. ; Villano, A. ; Ojaruega, M. ; Febbraro, M. ; Chen, Y. ; Jiang, H. ; Deyoung, P. A. ; Peaslee, G. F. / Near- and sub-barrier fusion of the Be 7 + Ni 58 system. In: Physical Review C - Nuclear Physics. 2014 ; Vol. 90, No. 1.

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abstract = "Evaporation proton yields were measured for the fusion of the radioactive proton-rich nucleus Be7 onto a Ni58 target at six near-barrier energies. Total fusion cross sections were deduced by using calculated proton multiplicities. The resulting fusion excitation function shows a considerable enhancement with respect to calculations for a bare potential, even for energies above the Coulomb barrier. Inelastic couplings can account for the enhancement at the highest energy. Total fusion channels nearly saturate the total reaction cross section in the measured energy region. Comparison with previous results scaled appropriately for 7Be+(27Al,238U) shows good agreement.",

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AB - Evaporation proton yields were measured for the fusion of the radioactive proton-rich nucleus Be7 onto a Ni58 target at six near-barrier energies. Total fusion cross sections were deduced by using calculated proton multiplicities. The resulting fusion excitation function shows a considerable enhancement with respect to calculations for a bare potential, even for energies above the Coulomb barrier. Inelastic couplings can account for the enhancement at the highest energy. Total fusion channels nearly saturate the total reaction cross section in the measured energy region. Comparison with previous results scaled appropriately for 7Be+(27Al,238U) shows good agreement.

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