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Within the Unified ternary fission model (UTFM), the alpha accompanied ternary fission of even-even $^{244-260}$Cf isotopes has been studied by taking the interacting barrier as the sum of Coulomb and proximity potential. For the alpha…

Nuclear Theory · Physics 2016-04-22 K P Santhosh , Sreejith Krishnan

The existence of a new type of cluster decay called "collinear cluster tri-partition" (CCT) is discussed by an analysis of the landscape of the potential energy surface (PES). The total energy of the ternary system is found as a sum the…

Nuclear Theory · Physics 2015-06-18 A. K. Nasirov , W. von Oertzen , A. I. Muminov , R. B. Tashkhodjaev

We investigate the ternary fissions of $^{252}$Cf (spontaneous) and $^{236}$U (neutron-induced) into medium-mass fragments, as reported by the Dubna group, using the Hartree-Fock plus BCS method with the SLy6 Skyrme interaction. Compared to…

Nuclear Theory · Physics 2025-07-01 Yannen Jaganathen , Janusz Skalski

We consider the collinear ternary fission which is a sequential ternary decay with a very short time between the ruptures of two necks connecting the middle cluster of the ternary nuclear system and outer fragments. In particular, we…

Nuclear Theory · Physics 2015-06-11 R. B. Tashkhodjaev , A. I. Muminov , A. K. Nasirov , W. von Oertzen , Yongseok Oh

The yields of light elements ($Z=1,2$) obtained from spontaneous ternary fission of $^{252}$Cf are treated within a nonequilibrium approach, and the contribution of unstable nuclei and excited bound states is taken into account. These light…

Nuclear Theory · Physics 2020-10-28 G. Röpke , J. B. Natowitz , H. Pais

For the first time, we apply the temperature dependent relativistic mean field (TRMF) model to study the ternary fission of heavy nucleus using level density approach. The probability of yields of a particular fragment is obtained by…

Nuclear Theory · Physics 2017-06-28 M. T. Senthil Kannan , Bharat Kumar , M. Balasubramaniam , B. K. Agrawal , S. K. Patra

The ternary cluster decay of heavy nuclei has been observed in several experiments with binary coincidences between two fragments using detector telescopes (the FOBOS-detectors, JINR, Dubna) placed on the opposite sides from the source of…

Nuclear Theory · Physics 2020-12-30 W. von Oertzen , A. K. Nasirov

Ternary fission yields in the reaction 241Pu(nth,f) are calculated using a new model which assumes a nucleation-time moderated chemical equilibrium in the low density matter which constitutes the neck region of the scissioning system. The…

Nuclear Experiment · Physics 2015-06-19 S. Wuenschel , H. Zheng , K. Hagel , B. Meyer , M. Barbui , E. J. Kim , G. Roepke , J. B. Natowitz

Based on a recent experimental finding which may suggest the existence of a tri-nuclear molecular structure before the cold ternary fragmentation of $^{252}$Cf takes place, we solved the eigenvalue problem of a certain class of vibrations…

Nuclear Theory · Physics 2007-05-23 S. Misicu , P. O. Hess , A. Sandulescu , W. Greiner

The alpha accompanied cold ternary fission of even-even 244Cm, 246Cm, 248Cm, 250Cm and 252Cm isotopes have been studied by taking the interacting barrier as the sum of Coulomb and proximity potential with the fragments in equatorial…

Nuclear Theory · Physics 2014-09-03 K. P. Santhosh , Sreejith Krishnan , B. Priyanka

The cold ternary fission of $^{238}$Pu, $^{240}$Pu, $^{242}$Pu and $^{244}$Pu isotopes, with $^{4}$He as light charged particle, in equatorial and collinear configuration has been studied within the Unified ternary fission model (UTFM). The…

Nuclear Theory · Physics 2015-06-24 K. P. Santhosh , Sreejith Krishnan , B. Priyanka

Detailed assessments of the ability of recent theoretical approaches to modeling existing experimental data for ternary fission confirm earlier indications that the dominant mode of cluster formation in ternary fission is clusterization in…

Nuclear Theory · Physics 2023-02-08 J. B. Natowitz , H. Pais , G. Röpke

In this work, we study the effect of including a resonant state of four neutrons in the low-density warm nuclear equation of state, using a relativistic mean-field formalism, where in-medium effects are considered. For that purpose, the…

Nuclear Theory · Physics 2024-09-30 H. Pais , G. Röpke , J. B. Natowitz

The cold(neutronless) fission of $^{252}$Cf is studied in the frame of a molecular model in which the scission configuration is described by two aligned fragments interacting by means of Coulomb (+ nuclear) forces. The study is carried out…

Nuclear Theory · Physics 2007-05-23 S. Misicu , P. Quentin

Recent experimental data indicate that in the ternary cold fission of $^{252}$Cf the energy of the first excited state of the accompanying light cluster $^{10}$Be is decreased by an amount ranging between $\approx$ 6 and 26 keV. A model is…

Nuclear Theory · Physics 2009-11-06 S. Misicu , A. Sandulescu , W. Greiner

To describe of dynamics of ternary fission of $^{252}$Cf an equation of motion of the tri-nuclear system is calculated. The fission of the $^{70}$Ni+$^{50}$Ca+$^{132}$Sn channel was chosen as one of the more probable channels of true…

Nuclear Theory · Physics 2016-11-15 R. B. Tashkhodjaev , A. K. Nasirov , E. Kh. Alpomeshev

A possibility of formation of the three reaction products having comparable masses at the spontaneous fission of $^{252}$Cf is theoretically explored. This work is aimed to study the mechanism leading to observation of the reaction products…

Nuclear Theory · Physics 2015-10-28 A. K. Nasirov , W. von Oertzen , R. B. Tashkhodjaev

The dissociation features in nuclear track emulsion of $^9$Be, $^{9,10}$C, and $^{12}$N nuclei of 1.2 A GeV energy are presented. The data presented for the nucleus $^9$Be can be considered as evidence that there is a core in its structure…

Longitudinal ternary and binary fission barriers of $^{36}$Ar, $^{56}$Ni and $^{252}$Cf nuclei have been determined within a rotational liquid drop model taking into account the nuclear proximity energy. For the light nuclei the heights of…

Nuclear Experiment · Physics 2008-12-18 G. Royer , K. Degiorgio , M. Dubillot , E. Leonard

We study the binary cold fission of $^{252}$Cf in the frame of a cluster model where the fragments are born to their respective ground states and interact via a double-folded potential with deformation effects taken into account up to…

Nuclear Theory · Physics 2016-09-08 A. Sandulescu , S. Misicu , F. Carstoiu , A. Florescu , W. Greiner
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