Jun 21 – 26, 2015
Dipartimento di Fisica ed Astronomia, Università di Catania
Europe/Rome timezone
All the plenary sessions will be transmitted in streaming on the web. From Monday, June 22nd, a link will be available <a href='http://www.streamago.tv/channel/54955/default/iframe/' target='blank'> here </a>

Search for High Energy Alpha Particles in the Reactions of 7.5AMeV 197Au with 232Th

Not scheduled
Aula Magna (Dipartimento di Fisica ed Astronomia, Università di Catania)

Aula Magna

Dipartimento di Fisica ed Astronomia, Università di Catania

Via Santa Sofia, 64 95123, Catania, Italy
Poster Heavy and Superheavy Elements


Dr S. Wuenschel (Cyclotron Institute, Texas A&M University)

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S. Wuenschel, J.B. Natowitz, K. Hagel, M. Barbui, G. Giuliani, E.J. Kim, N. Blando,
H. Zheng, S. Kowalski, K. Schmidt, Z. Majka, Z. Sosin, A. Wieloch.

The search for alternative reaction paths for heavy element production requires a
careful experimental investigation of mechanisms other than fusion, e.g.,
multi-nucleon transfer or very asymmetric fission of even heavier transient systems.
Many super heavy elements are expected to decay by alpha particle emission. The
heaviest elements are characterized by unusually high alpha particle energies which distinguish them (in general) from the lighter elements. Using 197Au projectiles incident on a 232Th target, we are pursuing survey experiments based upon the implantation of recoiling heavy reaction products in an array of fast plastic
scintillators and the detection of alpha particle decays characteristic of these
heavy nuclei. The 7.5 MeV/nucleon 197Au beam was pulsed for different time intervals in order to be able to identify species with different half-lives. A large number of interesting high alpha-energy activities were detected both in-beam and out of beam. These data will be discussed, as will extensions of this method.

Primary author

Dr S. Wuenschel (Cyclotron Institute, Texas A&M University)

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