Stability and synthesis of superheavy elements: Fighting the battle against fission – example of 254No

A. Lopez-Martens; G. Henning; T.L. Khoo; D. Seweryniak; M. Alcorta; M. Asai; B.B. Back; P. Bertone; D. Boilley; M.P. Carpenter; C.J. Chiara; P. Chowdhury; B. Gall; P.T. Greenlees; G. Gurdal; K. Hauschild; A. Heinz; C.R. Hoffman; R.V.F. Janssens; A.V. Karpov; B.P. Kay; F.G. Kondev; S. Lakshmi; T. Lauristen; C.J. Lister; E.A. McCutchan; C. Nair; J. Piot; D. Potterveld; P. Reiter; N. Rowley; A.M. Rogers; S. Zhu

doi:10.1051/epjconf/201613103001

All issues

Volume 131 (2016)

EPJ Web Conf., 131 (2016) 03001

Abstract

Open Access

Issue		EPJ Web Conf. Volume 131, 2016 Nobel Symposium NS 160 – Chemistry and Physics of Heavy and Superheavy Elements


Article Number		03001
Number of page(s)		6
Section		Fission Barriers
DOI		https://doi.org/10.1051/epjconf/201613103001
Published online		01 December 2016

EPJ Web of Conferences 131, 03001 (2016)
https://doi.org/10.1051/epjconf/201613103001

Stability and synthesis of superheavy elements: Fighting the battle against fission – example of ²⁵⁴No

A. Lopez-Martens¹^a, G. Henning¹^,2^b, T.L. Khoo², D. Seweryniak², M. Alcorta², M. Asai³, B.B. Back², P. Bertone², D. Boilley⁴, M.P. Carpenter², C.J. Chiara²^,5, P. Chowdhury⁶, B. Gall⁷, P.T. Greenlees⁸, G. Gurdal⁶, K. Hauschild¹, A. Heinz⁹, C.R. Hoffman², R.V.F. Janssens², A.V. Karpov¹⁰, B.P. Kay², F.G. Kondev², S. Lakshmi⁶, T. Lauristen², C.J. Lister⁶, E.A. McCutchan², C. Nair², J. Piot⁷^c, D. Potterveld², P. Reiter¹¹, N. Rowley¹², A.M. Rogers² and S. Zhu²

¹ CSNSM, IN2P3/CNRS and Université Paris Sud, France
² Argonne National Laboratory, USA
³ Japan Atomic Energy Agency, Japan
⁴ GANIL, CEA and IN2P3/CNRS and Normandie Université, France
⁵ University of Maryland, USA
⁶ Univeristy of Massachusetts Lowell, USA
⁷ IPHC, IN2P3/CNRS and Université Louis Pasteur, France
⁸ University of Jyväskylä, Finland
⁹ Chalmers Tekniska Högskola, Sweden
¹⁰ Flerov Laboratory of Nuclear Reactions, JINR, Russia
¹¹ Universität zu Köln, Germany
¹² IPN Orsay, IN2P3/CNRS and Université Paris Sud, France

^a e-mail: araceli.lopez-martens@csnsm.in2p3.fr
^b Current address: IPHC, Strasbourg
^c Current address: GANIL, Caen

Published online: 1 December 2016

Abstract

Superheavy nuclei exist solely due to quantum shell effects, which create a pocket in the potential-energy surface of the nucleus, thus providing a barrier against spontaneous fission. Determining the height of the fission barrier and its angular-momentum dependence is important to quantify the role that microscopic shell corrections play in enhancing and extending the limits of nuclear stability. In this talk, the first measurement of a fission barrier in the very heavy nucleus ²⁵⁴No will be presented.

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