<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mi>n</mml:mi></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>2</mml:mn><mml:mi>n</mml:mi></mml:math>Transfer With the Borromean Nucleus<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi>He</mml:mi><mml:mprescripts /><mml:none /><mml:mn>6</mml:mn></mml:mmultiscripts></mml:math>Near the Coulomb Barrier

Chatterjee, A.; Navin, A.; Shrivastava, A.; Bhattacharyya, S.; Rejmund, M.; Keeley, N.; Nanal, V.; Nyberg, J.; Pillay, R. G.; Ramachandran, K.; Stefan, I.; Bazin, D.; Beaumel, D.; Blumenfeld, Y.; Gupta, D.; Labiche, M.; Lemasson, A.; Lemmon, R. C.; Raabe, R.; Scarpaci, J.A.; Simenel, C.; Timis, C.

doi:10.1103/physrevlett.101.032701

Cited by 109 publications

(92 citation statements)

References 35 publications

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“…For reactions induced by weakly bound nuclei [16,17,25,26,27,28,39,40,41] and exotic nuclei [18,19,20,21,22,38,42,43,44,45,46], the breakup channel is open and plays a key role in the fusion process near the Coulomb barrier similarly to the transfer-channel coupling described in the previous section. It is therefore appropriate to use the Continuum-Discretized Coupled-Channel (CDCC) approach [47,48,49,50] to describe the influence of the breakup channel in both the elastic scattering and the fusion process at sub-barrier energies.…”

Section: LI + 59 Co and 7 Li + 59 Co Reactionsmentioning

confidence: 99%

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Coupled-Channel Effects in Collisions Between Heavy Ions Near the Coulomb Barrier

Beck¹

2013

Exciting Interdisciplinary Physics

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With the recent availability of state-of-the-art heavy-ion stable and radioactive beams, there has been a renew interest in the investigation of nuclear reactions with heavy ions. I first present the role of inelastic and transfer channel couplings in fusion reactions induced by stable heavy ions. Analysis of experimental fusion cross sections by using standard coupled-channel calculations is discussed. The role of multi-neutron transfer is investigated in the fusion process below the Coulomb barrier by analyzing 32 S+ 90,96 Zr as benchmark reactions. The enhancement of fusion cross sections for 32 S+ 96 Zr is well reproduced at sub-barrier energies by NTFus code calculations including the coupling of the neutron-transfer channels following the Zagrebaev semi-classical model. Similar effects for 40 Ca+ 90 Zr and 40 Ca+ 96 Zr fusion excitation functions are found. The breakup coupling in both the elastic scattering and in the fusion process induced by weakly bound stable projectiles is also shown to be crucial. In this lecture, full coupled-channel calculations of the fusion excitation functions are performed by using the breakup coupling for the more neutron-rich reaction and for the more weakly bound projectiles. I clearly demonstrate that Continuum-Discretized Coupled-Channel calculations are capable to reproduce the fusion enhancement from the breakup coupling in 6 Li+ 59 Co.

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Section: LI + 59 Co and 7 Li + 59 Co Reactionsmentioning

confidence: 99%

“…Recent studies with Radioactive Ion Beams (RIB) indicate that the halo nature of 6,8 He [18,19,20,21,22], for instance, does not enhance the fusion probability as anticipated. Rather the prominent role of one-and two-neutron transfers in 6,8 He induced fusion reactions was definitively demonstrated.…”

Section: Introductionmentioning

confidence: 99%

Coupled-Channel Effects in Collisions Between Heavy Ions Near the Coulomb Barrier

Beck¹

2013

Exciting Interdisciplinary Physics

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“…This in turn would also be expected to influence the reaction mechanism. Large transfer cross-sections have been reported for 6 He beams on 65 Cu [14,15], 64 Zn [16], 197 Au [17], 209 Bi [18,19] and 238 U targets [20,21]. Refs.…”

Section: Introductionmentioning

confidence: 99%

“…The first inclusive γ-spectroscopy measurement using a 10 9 pps re-accelerated RIB was performed by Catford et al [27] using a beam of 19 Ne. More recently absolute cross-section measurements (both inclusive and exclusive) in the 6 He+ 65 Cu system with intensities of ∼ 10 7 pps have been reported [14,15]. Inclusive measurements may not be able to separate various processes like fusion and direct reactions which could lead to similar final states.…”

Section: Introductionmentioning

confidence: 99%

“…Inclusive measurements may not be able to separate various processes like fusion and direct reactions which could lead to similar final states. This is particularly true for reactions induced by light neutron-rich nuclei on medium mass targets [14][15][16]. Studies of transfer reactions with Borromean nuclei on medium and heavy targets necessitate exclusive measurements.…”

Section: Introductionmentioning

confidence: 99%

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Reactions with the double-Borromean nucleusHe8

et al. 2010

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Differential cross-sections for elastic scattering and neutron transfer reactions along with crosssections for fusion in the 8 He+ 65 Cu system are reported at energies above the Coulomb barrier (E lab = 19.9 and 30.6 MeV). The present work demonstrates the feasibility of using inclusive measurements of characteristic in-beam γ rays with low-intensity (∼ 10 5 pps) radioactive ion beams to obtain the residue cross-sections for fusion and neutron transfer. Exclusive measurements of γ rays in coincidence with light charged particles have been used to further characterize the direct reactions induced by this double-Borromean nucleus. Coupled reaction channels calculations are used to illustrate the important role played by the transfer channels and to help in understanding the influence of the structure of 8 He on the reaction mechanism.

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Cluster in Nuclei: Experimental Perspectives

Papka

Beck

2012

Clusters in Nuclei, Vol.2

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1nand2nTransfer With the Borromean NucleusHe6Near the Coulomb Barrier

Cited by 109 publications

References 35 publications

Coupled-Channel Effects in Collisions Between Heavy Ions Near the Coulomb Barrier

Coupled-Channel Effects in Collisions Between Heavy Ions Near the Coulomb Barrier

Reactions with the double-Borromean nucleusHe8

Cluster in Nuclei: Experimental Perspectives

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