A. Jhingan
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View article: Cross talk between experimental data and simple validation of shell closure in pre-actinides
Cross talk between experimental data and simple validation of shell closure in pre-actinides Open
Two back-to-back experiments, 28Si + 178Hf and 28Si + 186W, were intentionally conducted to validate the role of shell closure in pre-actinides by studying neutron multiplicity in compound nucleus (CN) 206Rn and 214Ra. In the first experim…
View article: Nuclear fission research using NAND facility at IUAC
Nuclear fission research using NAND facility at IUAC Open
The National Array of Neutron Detectors (NAND) at IUAC is one of the big detector arrays used in experiments to study nuclear fission through the measurement of the neutrons emitted during the process. The array is installed at IUAC heavy …
View article: To examine the variation in dissipation near the shell closure using neutron multiplicity as a probe
To examine the variation in dissipation near the shell closure using neutron multiplicity as a probe Open
The pre and post-scission neutron multiplicities have been determined for the fission of the compound nucleus (CN) 206Rn, induced by the reaction 28Si+178Hf within the excitation energy interval of 61.0-90.0 MeV. We intentionally formed CN…
View article: Re-investigation of the interplay of fission modes and non-equilibrium fission processes in heavy actinide nuclei 249Bk and 257Md
Re-investigation of the interplay of fission modes and non-equilibrium fission processes in heavy actinide nuclei 249Bk and 257Md Open
Measurements of mass and angular distributions of fission fragments from actinide nuclei 249Bk and 257Md, produced in fusion reactions 11B and 19F + 238U, are presented. Experimentally observed mass ratio distributions indicate “multi-chan…
View article: Observation of near-scission “polar” and “equatorial” proton emission in heavy-ion induced fission
Observation of near-scission “polar” and “equatorial” proton emission in heavy-ion induced fission Open
Proton and α-particle energy spectra were measured in coincidence with fission fragments at different relative angles in 16O (96 MeV) + 232Th reaction. The multiplicity spectra were analyzed within the framework of a Moving Source Disentan…
View article: Observation of near-scission "polar" and "equatorial" proton emission in heavy-ion induced fission
Observation of near-scission "polar" and "equatorial" proton emission in heavy-ion induced fission Open
Proton and $α$-particle energy spectra were measured in coincidence with fission fragments at different relative angles in $^{16}$O (96 MeV) + $^{232}$Th reaction. The multiplicity spectra were analyzed within the framework of a Moving Sou…
View article: Measurement of mass-angle and mass-total kinetic energy distributions from the fission of <sup>190</sup>Pt compound nucleus
Measurement of mass-angle and mass-total kinetic energy distributions from the fission of <sup>190</sup>Pt compound nucleus Open
We have measured the fission fragment mass-angle and mass-total kinetic energy (TKE) distributions for the neutron-deficient 190 Pt compound nucleus (CN) populated via 12 C + 178 Hf reaction, at around and above barrier energies. No mass-a…
View article: Structure of Low-spin States in \(^{45}\)Sc Studied via Coulomb Excitation
Structure of Low-spin States in \(^{45}\)Sc Studied via Coulomb Excitation Open
The electromagnetic structure of 45Sc at low excitation energy was investigated via low-energy Coulomb excitation at the Heavy Ion Laboratory (HIL) of the University of Warsaw and at the Inter-University Accelerator Centre (IUAC) in New De…
View article: New signature of non-equilibrium fission from pre-scission α-particle emission
New signature of non-equilibrium fission from pre-scission α-particle emission Open
The pre-scission α-particle multiplicity (αpre), measured in 16O (96 MeV) + 232Th reaction, is observed to be significantly lower than the global trend reported earlier. Statistical model calculations also show a much shorter fission-time …
View article: Re-investigation of the interplay of fission modes and non-equilibrium fission processes in heavy actinide nuclei 249Bk and 257Md
Re-investigation of the interplay of fission modes and non-equilibrium fission processes in heavy actinide nuclei 249Bk and 257Md Open
Measurements of mass and angular distributions of fission fragments from actinide nuclei 249Bk and 257Md, produced in fusion reactions 11B and 19F + 238238U, are presented. Experimentally observed mass ratio distributions indicate 'multi-c…
View article: Experimental Evidence for Common Driving Effects in Low-Energy Fission from Sublead to Actinides
Experimental Evidence for Common Driving Effects in Low-Energy Fission from Sublead to Actinides Open
Isotopic distributions of fragments from fission of the neutron-deficient ^{178}Hg nuclide are reported. This experimental observable is obtained for the first time in the region around lead using an innovative approach based on inverse ki…
View article: Competing asymmetric fusion-fission and quasifission in neutron-deficient sub-lead nuclei
Competing asymmetric fusion-fission and quasifission in neutron-deficient sub-lead nuclei Open
To disentangle the role of shell effects and dynamics, fission fragment mass distributions of 191Au, a nucleus in the newly identified island of mass asymmetric fission in the sub-lead region, have been measured down to excitation energy o…
View article: Revised Lifetime of the \(11/2^-\) State in \(^{45}\)Sc via Coulomb Excitation
Revised Lifetime of the \(11/2^-\) State in \(^{45}\)Sc via Coulomb Excitation Open
The 2019 Mazurian Lakes Conference on Physics was held in Piaski, a vacation resort located at the lake of Bełdany in the heart of the Great Mazurian Lakes District, from the 1 st to 7 th of September 2019.It was the 36 th meeting in a ser…
View article: Competing quasifission and asymmetric fusion-fission in neutron-deficient sub-lead nuclei
Competing quasifission and asymmetric fusion-fission in neutron-deficient sub-lead nuclei Open
To disentangle the role of shell effects and dynamics, fission fragment mass distributions of $^{191}$Au, a nucleus in the newly identified island of mass asymmetric fission in the sub-lead region, have been measured down to excitation ene…
View article: Effect of direct reaction channels on deep sub-barrier fusion in asymmetric systems
Effect of direct reaction channels on deep sub-barrier fusion in asymmetric systems Open
A steeper fall of fusion excitation function, compared to the predictions of coupled-channels models, at energies below the lowest barrier between the reaction partners, is termed as deep sub-barrier fusion hindrance. This phenomenon has b…
View article: Pitfall in etch-pit calculation
Pitfall in etch-pit calculation Open
Two widely used methods for computing the reduced etch rate from the etch-pit geometry in nuclear track detectors (NTDs) have been compared. The shape of the etch-pit is usually assumed to be conical. In this paper, the validity of that as…
View article: Probing Quasifission In Reactions Forming Rn Nucleus
Probing Quasifission In Reactions Forming Rn Nucleus Open
FIGURE 12. Haploops meloi sp. nov., holotype female, 4 mm (MNRJ 20097). Scale bars = 0.1 mm.
View article: Fusion-fission studies on <sup>19</sup>F+<sup>206,208</sup>Pb and <sup>11</sup>B,<sup>19</sup>F+<sup>238</sup>U reactions around barrier energies at IUAC facility
Fusion-fission studies on <sup>19</sup>F+<sup>206,208</sup>Pb and <sup>11</sup>B,<sup>19</sup>F+<sup>238</sup>U reactions around barrier energies at IUAC facility Open
Fission process is strongly influenced by entrance channel dynamical variables. Among these, the nuclear charge product, mass asymmetry and deformation play important role in fission dynamics. Reaction characteristics are distinguished by …
View article: Study of nuclear fusion-fission dynamics in 16O+194Pt reaction
Study of nuclear fusion-fission dynamics in 16O+194Pt reaction Open
Pre- and post-scission α-particle multiplicities have been measured for the reaction 16O + 194Pt at 98.4 MeV forming compound nucleus 210Rn. The α-particle's yield has been measured in coincidence with the fission fragments at various angl…
View article: Influence of neutron transfer channels on fusion enhancement in sub-barrier region
Influence of neutron transfer channels on fusion enhancement in sub-barrier region Open
\nFusion cross-section measurements were performed for system 40Ca + 70Zn around the Coulomb barrier energies using Heavy Ion Reaction Analyzer (HIRA). The observed enhancement in experimental fusion cross-sections was investigated via cou…
View article: Probing dynamics of fusion reactions through cross-section and spin distribution measurement
Probing dynamics of fusion reactions through cross-section and spin distribution measurement Open
Present work aims to explicate the effect of entrance channel mass asymmetry on fusion dynamics for the Compound Nucleus 80Sr populated through two different channels, 16O+64Zn and 32S+48Ti, using cross-section and spin distribution measur…
View article: Study of fusion-fission dynamics in<sup>19</sup>F+<sup>238</sup>U reaction
Study of fusion-fission dynamics in<sup>19</sup>F+<sup>238</sup>U reaction Open
Mass angle distribution measurements for 19F+238U reaction were carried out around the sub barrier energies. Mass angle correlation has not been observed at above and below the fusion barrier in present reaction. This infer the minimal pre…
View article: Barrier distribution from<sup>28</sup>Si+<sup>154</sup>Sm quasielastic scattering: Coupling effects in the fusion process
Barrier distribution from<sup>28</sup>Si+<sup>154</sup>Sm quasielastic scattering: Coupling effects in the fusion process Open
Barrier distribution for the 28Si+154Sm system has been extracted from large angle quasielastic scattering measurement to investigate the role of various channel couplings on fusion dynamics. The coupled channel calculations, including the…