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Fragment-mass and kinetic-energy distributions from the spontaneous fission of $sup 246$Cm

PUBLISHED | 2016 in Physical Review C [IF: 3.82]
DOI | 10.1103/PhysRevC.15.705
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Cited by22
2016 in Nature [IF: 40.14]
M. Block20
Estimated H-index: 20
(University of Jyväskylä),
D. Ackermann21
Estimated H-index: 21
(University of Jyväskylä),
Klaus Blaum42
Estimated H-index: 42
(Max Planck Society)
... (6 others)
Present knowledge of the binding energy of the heaviest nuclides is based solely on the detection of their decay products. This paper reports the first direct mass measurements of the trans-uranium nuclides 252254No (nobelium, atomic number 102), which will be important for mapping the predicted 'island of stability' of superheavy elements.
Ref 32Cited 83 Download Pdf Cite this paper
R.-D. Herzberg1
Estimated H-index: 1
(University of Liverpool),
P.T. Greenlees1
Estimated H-index: 1
(University of Jyväskylä)
Abstract In recent years the body of experimental data on nuclei with masses A ≃ 250 has increased dramatically. Nuclei that had been out of reach for experimental studies have now become available for study through a variety of approaches, both with in-beam spectroscopic methods and through spectroscopy following the decay of isomeric states or alpha decays at the focal plane of powerful separato...
Ref 251Cited 71 Source Cite this paper
R.C. Barber1
Estimated H-index: 1
(University of Manitoba),
N.N. Greenwood1
Estimated H-index: 1
(University of Leeds),
A.Z. Hrynkiewicz1
Estimated H-index: 1
... (6 others)
Abstract In 1985 IUPAP and IUPAC decided to establish a Transfermium Working Group to consider questions of priority in the discovery of elements with nuclear charge number Z>;100. The membership of the Group was determined by the Unions in 1987. The Group met seven times for approximately one week each, three of the meetings being in the Laboratories of chief concern namely those at Berkeley, Dar...
Ref 176Cited 46 Source Cite this paper
2017 in European Physical Journal A [IF: 2.83]
F. P. Heßberger1
Estimated H-index: 1
Spontaneous fission properties of transuranium isotopes are reviewed. Specific emphasis was laid on brief historical overviews of theoretical descriptions and experimental determination of basic properties as spontaneous fission half-lives, fission barriers, or total kinetic energy release in fission. Experimental spontaneous fission half-lives are compared with the results of recent theoretical p...
Ref 146Cited 6 Download Pdf Cite this paper
Hiromichi Nakahara18
Estimated H-index: 18
(Tokyo Metropolitan University),
T. Ohtsuki1
Estimated H-index: 1
(Tokyo Metropolitan University)
Mass yield curves of spontaneous fissions, thermal-neutron induced fissions, monochromatic-neutron and proton induced fissions of actinides are reviewed. Mean masses of light and heavy asymmetric mass yield peaks are listed. The subtle change of the shape of the asymmetric heavy peak is expressed in terms of the parameters of two Gaussians that fit the observed data well. One Gaussian is narrow in...
Ref 79Cited 3 Source Cite this paper
H. Paşca3
Estimated H-index: 3
(Joint Institute for Nuclear Research),
A.V. Andreev5
Estimated H-index: 5
(Joint Institute for Nuclear Research),
G. G. Adamian16
Estimated H-index: 16
(Joint Institute for Nuclear Research)
... (1 others)
Abstract Using the improved scission-point model, the mass and charge distributions of fragments resulting from the fission of californium, fermium, and nobelium isotopes are calculated and compared with the available experimental data. For the fissioning Fm and No nuclei, the transitions from a two-peaked to a single-peaked mass distributions are predicted. The transition between asymmetric and s...
Ref 39Cited 3 Source Cite this paper
A. I. Svirikhin14
Estimated H-index: 14
(Joint Institute for Nuclear Research),
A. V. Andreev (Joint Institute for Nuclear Research), A. V. Yeremin24
Estimated H-index: 24
(Joint Institute for Nuclear Research)
... (6 others)
This study describes an experiment on investigating the properties of spontaneous fission of shortlived neutron-deficient nuclei synthesized in the reaction of complete fusion 48Ca + 204Pb = 252No*. The experiment is performed using the SHELS separator and the beam of multicharged ions at U-400 accelerator (LNR, JINR). Two activities undergoing spontaneous fission, which can be related to the grou...
Ref 17Cited 1 Download Pdf Cite this paper
2016 in Accounts of Chemical Research [IF: 20.27]
Darleane C. Hoffman29
Estimated H-index: 29
("University of California, Berkeley")
Spontaneous fission was discovered in /sup 238/U as a natural mode of decay as long ago as 1940. However, because of the long spontaneous-fission half-life of /sup 238/U of about 10/sup 16/ years, the decay rate (specific activity) was so low that detailed studies of the properties of spontaneous fission had to await the synthesis of isotopes of higher Z elements with shorter spontaneous-fission h...
Ref 28Cited 6 Source Cite this paper
2016 in European Physical Journal A [IF: 2.83]
A. I. Svirikhin14
Estimated H-index: 14
(Joint Institute for Nuclear Research),
A. V. Andreev1
Estimated H-index: 1
,
Victor Dushin3
Estimated H-index: 3
(V. G. Khlopin Radium Institute)
... (6 others)
The neutron detector with 3He -filled counters placed in the focal plane of the VASSILISSA separator is used for measuring the average number and determining the multiplicity distribution of prompt neutrons from the spontaneous fission of heavy short-lived isotopes. The test reaction \(\ensuremath \mathrm{{}^{48}Ca}+\mathrm{{}^{206}Pb}=2{\rm n}+\mathrm{{}^{252}No}\) is used for tuning the separato...
Ref 17Cited 6 Download Pdf Cite this paper
2016 in Nuclear Data Sheets [IF: 1.15]
N. Nica7
Estimated H-index: 7
(Texas A&M University)
Experimental data from various reaction and decay studies leading to nuclides with mass number A = 252 have been compiled and evaluated.
Ref 64Cited 8 Source Cite this paper