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SUMMARY:Multidimensional Random Walk for Calculating the Fusion/Fission Pr
 obabilities of Superheavy Elements
DTSTART;VALUE=DATE-TIME:20241010T071500Z
DTEND;VALUE=DATE-TIME:20241010T080000Z
DTSTAMP;VALUE=DATE-TIME:20261014T010704Z
UID:indico-contribution-1722@events.ncbj.gov.pl
DESCRIPTION:Speakers: Aleksander Augustyn (NCBJ)\nIn our recent work [1]\,
  we introduced a novel approach\, the Dipole-Driven Model (DDM)\, for char
 acterizing the fusion process of two heavy ions within the entrance channe
 l. The DDM utilizes the dipole variable as an authentic shape parameter to
  describe the configuration of the colliding heavy ions\, with shape param
 etrization performed at the neck region. This allows for the optimization 
 of the deformation space and the exploration of previously unattainable sh
 apes.\nIn this talk\, a new method for predicting the probability of fusio
 n of superheavy elements will be presented. The approach uses a random wal
 k algorithm\, in which the shape evolution is governed by the density of s
 tates above the multidimensional potential energy surface (PES). The PESs 
 were calculated within the latest version of the Warsaw macroscopic-micros
 copic model [1]\, with rotational energy included. \nThree cold fusion rea
 ctions will be examined in detail: 48Ca+208Pb\, 50Ti+208Pb and 54Cr+208Pb.
  The calculated probabilities of fusion for these reactions will be shown.
  The influence of angular momentum and excitation energy on ratios of symm
 etric and asymmetric divisions will be demonstrated. Future improvements t
 o the method will also be discussed.\n\n[1] T. Cap\, A. Augustyn\, M. Kowa
 l\, and K. Siwek-Wilczyńska\, Phys. Rev. C 109\, L061603 (2024).\n[2] P. 
 Jachimowicz\, M. Kowal\, and J. Skalski\, At. Data. Nucl. Data. Tables. 13
 8\, 101393 (2021).\n\nhttps://events.ncbj.gov.pl/event/382/contributions/1
 722/
LOCATION:NCBJ Room 207
URL:https://events.ncbj.gov.pl/event/382/contributions/1722/
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