Role of the entrance channel in the experimental study of incomplete fusion of 
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 C with 
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 Nb

Ágarwal, Avinash Kumar; Jashwal, Anuj Kumar; Kumar, Munish; Prajapati, Santosh Kumar; Dutt, S.; Gull, Muntazir; Rizvi, I. A.; Kumar, Kamal; Ali, Sabir; Yadav, Abhishek; Kumar, R.; Chaubey, A. K.

doi:10.1103/physrevc.105.034609

Cited by 7 publications

(4 citation statements)

References 39 publications

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“…Among the given entrance channel parameters, the E B.U value of the incident projectile is supposed to be one of the most influential entrance channel parameters in terms of influencing the CF and ICF contributions to the TF cross section. So far, several studies have been carried out to explore the influence of the E B.U value of the incident projectile on fusion reaction dynamics at and above the barrier energy [8,[14][15][16][17]. One of the most commonly employed approaches for singling out the role of the breakup effect of the incident projectile on the fusion reaction is to compare the experimentally estimated CF cross section data with the predictions of coupled channel (CC) calculations without taking into account the breakup channel or the predictions of the one dimensional barrier penetration model (1DBPM).…”

Section: Introductionmentioning

confidence: 99%

“…Figure 7. Dependency of fusion suppression factor (F supp ) on x for (a) 12 C + 93 Nb [54], (b)13 C + 93 Nb[15], (c)16 O + 93 Nb[55], (d)18 + 93 Nb[56] and (e)20 Ne + 93 Nb (present work) systems. The dashed lines show the adopted fusion suppression factor obtained by taking the average of the experimental data points (solid squares).…”

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confidence: 96%

“…C + 93 Nb[54],13 C + 93 Nb[15],16 O + 93 Nb[55],18 O + 93 Nb[56] and20 Ne + 93 Nb (present work) systems, calculated as per equation (4), are listed in table 4 and this is illustrated in figure7, showing the fusion suppression factor (F supp ) as a function of x. The strong correlation between the E B.U value of the incident projectile and the magnitude of the fusion suppression factor is well reflected from table 4 as well as from figure7.…”

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confidence: 99%

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Systematic study of fusion suppression and its dependency on projectile breakup threshold energy

Ali,

Gull,

Kumar

et al. 2023

J. Phys. G: Nucl. Part. Phys.

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Measurements of the excitation function (EF) of the observed evaporation residues (ERs) populated in the 20Ne + 93Nb reaction at E lab ≈ 91−145 MeV are carried out to explore the systematic of fusion suppression and its dependency on projectile breakup threshold energy, by employing the offline γ-ray detection method. The EF of the observed ERs populated through complete and/or incomplete fusion processes are analysed in the framework of statistical mode code PACE4. The fusion function, derived from the experimentally measured fusion cross section data, is compared with the universal fusion function (UFF) to estimate the degree of fusion incompleteness. Based on the observed results, an empirical formula is proposed to interrelate the degree of fusion suppression and breakup threshold energy of the incident projectile.

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Section: Introductionmentioning

confidence: 99%

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confidence: 96%

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confidence: 99%

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Systematic study of fusion suppression and its dependency on projectile breakup threshold energy

Ali,

Gull,

Kumar

et al. 2023

J. Phys. G: Nucl. Part. Phys.

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“…At energies near and above the Coulomb barrier, complete fusion (CF) is expected to be the dominant reaction mode. However, in the past few decades a number of studies had confirmed that incomplete fusion (ICF) also contributes at such energies [1][2][3][4][5][6]. Britt and Quinton et al [7] first studied ICF reactions in the early sixties, where they experimentally observed fast α-particles in the reaction of 12 C, 14 N and 16 O projectiles with 209 Bi and 197 Au target.…”

Section: Introductionmentioning

confidence: 99%

Study of incomplete fusion reaction dynamics for the system ¹⁴N + ¹⁶⁹Tm using the forward Recoil Range distribution technique

Kumar¹,

Giri²,

Kumar³

et al. 2022

J. Phys. G: Nucl. Part. Phys.

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Studies in the past have demonstrated that complete fusion and incomplete fusion dynamics are both significant just above the Coulomb barrier, yet the dynamics of incomplete fusion are elusive since they are so complex below 10 MeV/nucleon. In order to investigate low-energy incomplete fusion dynamics, we measured the forward recoil range distribution of evaporation residues populated in the system 14N + 169Tm at energy ≈ 5.9 MeV/nucleon. A stack target-catcher activation technique followed by offline-γ- spectroscopy was used to estimate the forward recoil range distribution of the evaporation residues. In order to investigate a new parameter for describing incomplete fusion dynamics, the incomplete fusion fraction (FICF (%)) for the present system was estimated from the range-integrated cross-sections and compared with other systems in the literature. The forward recoil range distribution and range integrated cross-sections of seven evaporation residues have been estimated experimentally. These cross-section results agree well with the experimental results obtained from the excitation functions. On re-investigation of entrance channel systematics for Qα value of projectile, mass-asymmetry (µMA), and Coulomb factor (ZP ZT ), it has been found that the Qα-value systematic for 14N is not valid at all projectile energies. The forward recoil range distribution measurement is one of the direct methods available to probe the complete and incomplete fusion contributions in evaporation residues at low projectile energy. It has also been observed that the dynamics of ICF are not only dependent on the parameters of one entrance channel but on multiple entrance channels. We have also introduced the entrance channel parameter Zeta (ζ) for the first time in Incomplete Fusion reactions to see the combined effect of mass-asymmetry (µMA) and ZP ZT, as this parameter is better suited than µMA and ZP ZT individually and has a linear dependency on FICF (%).

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Understanding the low-energy incomplete fusion reactions

et al. 2023

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Role of the entrance channel in the experimental study of incomplete fusion of 13 C with 93 Nb

Cited by 7 publications

References 39 publications

Systematic study of fusion suppression and its dependency on projectile breakup threshold energy

Systematic study of fusion suppression and its dependency on projectile breakup threshold energy

Study of incomplete fusion reaction dynamics for the system ¹⁴N + ¹⁶⁹Tm using the forward Recoil Range distribution technique

Understanding the low-energy incomplete fusion reactions

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Role of the entrance channel in the experimental study of incomplete fusion of 13 C with 93 Nb

Cited by 7 publications

References 39 publications

Systematic study of fusion suppression and its dependency on projectile breakup threshold energy

Systematic study of fusion suppression and its dependency on projectile breakup threshold energy

Study of incomplete fusion reaction dynamics for the system 14N + 169Tm using the forward Recoil Range distribution technique

Understanding the low-energy incomplete fusion reactions

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Study of incomplete fusion reaction dynamics for the system ¹⁴N + ¹⁶⁹Tm using the forward Recoil Range distribution technique