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Eurasian Journal of Physics and Functional Materials

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Investigation of the spontaneous fission properties of neutron-deficient nobelium isotopes

https://doi.org/10.29317/ejpfm.2019030108

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Abstract

In the last years we carried out several experiments aimed to investigate properties of short-lived SF isotopes. The neutron-deficient isotopes of nobelium were produced in fusion-evaporation reactions using206,208Pb targets and an intense48Ca-beam. Fusion-evaporation residues were separated by the SHELS separator and implanted into a large-area double-sided (48 × 48) strip silicon detector surrounded by3He-based neutron counters. Half-lives and decay branching ratios for252,254No isotopes were measured. The average number of neutrons per spontaneous fission of254No determined for the first time.

About the Authors

A. V. Isaev
Joint Institute for Nuclear Research
Russian Federation


A. I. Svirikhin
Joint Institute for Nuclear Research
Russian Federation


A. V. Andreev
Joint Institute for Nuclear Research
Russian Federation


A. V. Yeremin
Joint Institute for Nuclear Research
Russian Federation


I. N. Izosimov
Joint Institute for Nuclear Research
Russian Federation


A. N. Kuznetsov
Joint Institute for Nuclear Research
Russian Federation


A. A. Kuznetsova
Joint Institute for Nuclear Research
Russian Federation


O. N. Malyshev
Joint Institute for Nuclear Research
Russian Federation


A. G. Popeko
Joint Institute for Nuclear Research
Russian Federation


Yu. A. Popov
Joint Institute for Nuclear Research
Russian Federation


E. A. Sokol
Joint Institute for Nuclear Research
Russian Federation


M. L. Chelnokov
Joint Institute for Nuclear Research
Russian Federation


V. I. Chepigin
Joint Institute for Nuclear Research
Russian Federation


T. M. Schneidman
Joint Institute for Nuclear Research
Russian Federation


B. .. Gall
IPHC, IN2P3-CNRS
France


O. .. Dorvaux
IPHC, IN2P3-CNRS
France


P. .. Brione
IPHC, IN2P3-CNRS
France


A. .. Sellam
IPHC, IN2P3-CNRS
France


K. .. Hauschild
CSNSM, IN2P3-CNRS
France


A. .. Lopez-Martenz
CSNSM, IN2P3-CNRS
France


K. .. Rezynkina
CSNSM, IN2P3-CNRS
France


S. .. Mullins
iThemba LABS
South Africa


P. .. Mosat
Comenius University
Slovakia


References

1. A.G. Popeko et al., Nucl. Instrum. Methods Phys. Res. B 376 (2016) 140.

2. A.V. Isaev et al., Instrum. Exp. Tech. 54 (2011) 37.

3. A.I. Svirikhin et al., Instrum. Exp. Tech. 54 (2011) 644.

4. J. Magill et al., Nucleonica GmbH (2015).

5. https://github.com/siberianisaev/NeutronGeometry.

6. D.B. Pelowitz et al., Wilcox, MCNPX 2.7.0 Extensions, LA-UR-05- 2675, Los Alamos National Laboratory (2005).


For citation:


Isaev A.V., Svirikhin A.I., Andreev A.V., Yeremin A.V., Izosimov I.N., Kuznetsov A.N., Kuznetsova A.A., Malyshev O.N., Popeko A.G., Popov Yu.A., Sokol E.A., Chelnokov M.L., Chepigin V.I., Schneidman T.M., Gall B..., Dorvaux O..., Brione P..., Sellam A..., Hauschild K..., Lopez-Martenz A..., Rezynkina K..., Mullins S..., Mosat P... Investigation of the spontaneous fission properties of neutron-deficient nobelium isotopes. Eurasian Journal of Physics and Functional Materials. 2019;3(1):58-62. https://doi.org/10.29317/ejpfm.2019030108

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ISSN 2522-9869 (Print)
ISSN 2616-8537 (Online)