The investigation of properties of short-lived SF isotopes (Z > 100) at the focal plane of VASSILISSA separator

Alexandr Svirikhin, Alexander Andreev, Victor Dushin, Maxim Chelnokov, Victor Chepigin, Mohini Gupta, Andrey Isaev, Igor Izosimov, Denis Katrasev, Alexey Kuznetsov, Oleg Malyshev, Ani Minkova, Simon Mullins, Andrey Popeko, Evgeniy Sokol, Alexander Yeremin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

For experiments aimed at the study of spontaneous fission of transfermium nuclei improvements in the focal plane detector system of recoil separator VASSILISSA have been made. A neutron detector consisting of 54 3He-filled counters has been mounted around the focal-plane detector chamber. The reaction 48Ca + 206Pb = 2n + 252No is used for tuning the separator settings and calibrating the detector system with the spontaneous fission of the 252No. The average neutron number per 252No spontaneous fission event is as large as νÌ = 4.06 ± 0.12. The short-lived heavy isotopes 244,246Fm, produced in the complete fusion reactions 40Ar + 206,208Pb, are investigated. The average number of neutrons per spontaneous fission of 244,246Fm from the experimental data were (νÌ = 3.3 ± 0.3) and (νÌ = 3.55 ± 0.50), respectively. Both values are determined for the first time.

Original languageEnglish
Title of host publicationFission 2013 - 5th International Workshop on Nuclear Fission and Fission Product Spectroscopy
Volume62
DOIs
Publication statusPublished - 2013
Event5th International Workshop on Nuclear Fission and Fission Product Spectroscopy, Fission 2013 - Caen, France
Duration: 28-05-201331-05-2013

Conference

Conference5th International Workshop on Nuclear Fission and Fission Product Spectroscopy, Fission 2013
CountryFrance
CityCaen
Period28-05-1331-05-13

    Fingerprint

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Svirikhin, A., Andreev, A., Dushin, V., Chelnokov, M., Chepigin, V., Gupta, M., ... Yeremin, A. (2013). The investigation of properties of short-lived SF isotopes (Z > 100) at the focal plane of VASSILISSA separator. In Fission 2013 - 5th International Workshop on Nuclear Fission and Fission Product Spectroscopy (Vol. 62). [03005] https://doi.org/10.1051/epjconf/20136203005