Resonant breakup of 6Li by 209Bi

Santra, S.; Parkar, V. V.; Ramachandran, K.; Pal, Usha; Shrivastava, A.; Roy, B. J.; Nayak, B. K.; Chatterjee, A.; Choudhury, R. K.; Kailas, S.

doi:10.1016/j.physletb.2009.05.016

Cited by 67 publications

(87 citation statements)

References 26 publications

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“…Beams of 6 Li 3+ ions were accelerated by the TANDEM accelerator for elastic scattering measurements at energies of 16,20,25, and 29 MeV and impinged on a 240 μg/cm 2 CH 2 target. Experimental details and an analysis of the elastic scattering data were reported previously in Ref.…”

Section: Experimental Details and Data Reductionmentioning

confidence: 99%

“…7, 8, 9, and 10. For the sake of completeness, we present here the elastic scattering data at all four energies, i.e., 16,20,25, and 29 MeV. Since we wished to investigate the effect of coupling to breakup on the elastic scattering, we also performed one-channel (no coupling) calculations and calculations with coupling to direct excitation of the continuum only, omitting coupling to the 3 1 + resonance.…”

Section: Theoretical Details: Cdcc Calculationsmentioning

confidence: 99%

“…Therefore, breakup is expected to be significant in reactions involving this nucleus. It has mainly been investigated in exclusive measurements at near-barrier energies on light [5,6], medium [7][8][9][10][11], and heavy targets [12][13][14][15][16][17][18][19][20]. Interest has also been shown in the effect of breakup on the elastic scattering [21][22][23].…”

Section: Introductionmentioning

confidence: 99%

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Breakup of Li6+p at near-barrier energies and the effect on elastic scattering

Soukeras¹,

Pakou²,

Cappuzzello³

et al. 2017

Phys. Rev. C

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Exclusive breakup measurements have been performed for the 6 Li + p system in inverse kinematics at 6 Li incident energies of 25 and 29 MeV. The results are considered in the Continuum Discretized Coupled-Channels framework, together with elastic scattering data at 16, 20, 25, and 29 MeV, obtained simultaneously in the same experiment and reported previously. Good agreement between data and theory is observed, interpreted as evidence for strong coupling to the continuum. The direct and sequential (via the 6 Li 3 1 + resonance) breakup cross sections are found to be equally large at the higher incident energies but the dominant effect on the elastic scattering is due to coupling to the sequential breakup. This effect remains dominant even at the lowest energy of 16 MeV, despite the negligible cross section for excitation of the resonance at this low incident energy.

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Section: Experimental Details and Data Reductionmentioning

confidence: 99%

Section: Theoretical Details: Cdcc Calculationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Breakup of Li6+p at near-barrier energies and the effect on elastic scattering

Soukeras¹,

Pakou²,

Cappuzzello³

et al. 2017

Phys. Rev. C

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“…Only prompt breakup, which occurs in a time scale of 10 −22 s, may affect fusion, since the resonance life-time is much longer than the collision time. Actually, Santra et al [62] performed exclusive measurements for the breakup of 6 Li in collisions with 209 Bi and they found that the sequential breakup via the 6 Li 3 + resonant state at 2.186 MeV, with T 1/2 = 2.7 × 10 −20 sec., predominates in the α + d fragmentation.…”

Section: A Complete Fusion Functions For Reactions Involving Weakly mentioning

confidence: 99%

Systematic study of breakup effects on complete fusion at energies above the Coulomb barrier

et al. 2014

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A large number of complete fusion excitation functions of reactions including the breakup channel were measured in recent decades, especially in the last few years. It allows us to investigate the systematic behavior of the breakup effects on the complete fusion cross sections. To this end, we perform a systematic study of the breakup effects on the complete fusion cross sections at energies above the Coulomb barrier. The reduced fusion functions F (x) are compared with the universal fusion functions which are used as a uniform standard reference. The complete fusion cross sections at energies above the Coulomb barrier are suppressed by the breakup of projectiles. This suppression effect for reactions induced by the same projectile is independent of the target and mainly determined by the lowest energy breakup channel of the projectile. There holds a good exponential relation between the suppression factor and the energy corresponding to the lowest breakup threshold.

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“…Hence, this approach is not a breakup model, rather it is a quantitative dynamical model for relating the sub-barrier ncbu to the above-barrier icf and cf of weakly-bound nuclei [15]. The model has successfully been applied to interpreting fusion and breakup measurements of weakly-bound nuclei [6,7,16], and isomer ratio measurements [17]. Other applications in γ-ray spectroscopy are discussed in Ref.…”

Section: Introductionmentioning

confidence: 99%

PLATYPUS: A code for reaction dynamics of weakly-bound nuclei at near-barrier energies within a classical dynamical model

Díaz-Torres

2011

Computer Physics Communications

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A self-contained Fortran-90 program based on a three-dimensional classical dynamical reaction model with stochastic breakup is presented, which is a useful tool for quantifying complete and incomplete fusion, and breakup in reactions induced by weakly-bound two-body projectiles near the Coulomb barrier. The code calculates (i) integrated complete and incomplete fusion cross sections and their angular momentum distribution, (ii) the excitation energy distribution of the primary incomplete-fusion products, (iii) the asymptotic angular distribution of the incomplete-fusion products and the surviving breakup fragments, and (iv) breakup observables, such as angle, kinetic energy and relative energy distributions. PACS Restrictions:The program is suited for a weakly-bound two-body projectile colliding with a stable target. The initial orientation of the segment joining the two breakup fragments is considered to be isotropic. Running time:About 75 minutes for input provided, using a PC with 1.5 GHz processor. References:[1] A. Diaz-Torres et al., Phys. Rev. Lett. 98 (2007) 152701.[2] A. Diaz-Torres, J. Phys. G: Nucl. Part. Phys. 37 (2010) 075109.

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Resonant breakup of 6Li by 209Bi

Cited by 67 publications

References 26 publications

Breakup of Li6+p at near-barrier energies and the effect on elastic scattering

Breakup of Li6+p at near-barrier energies and the effect on elastic scattering

Systematic study of breakup effects on complete fusion at energies above the Coulomb barrier

PLATYPUS: A code for reaction dynamics of weakly-bound nuclei at near-barrier energies within a classical dynamical model

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