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Measurement of decay properties of the neutron-rich Se to Y isotopes

ORAL

Abstract

β-decay half-lives (T1/2) and β-delayed neutron emission probabilities (Pxn) are two essential ingredients of nucleosynthesis calculations for the rapid neutron capture process (r-process). Using the state-of-the-art instrumentation β-delayed neutron detector at RIKEN (BRIKEN) in the Radioactive Ion Beam Factory (RIBF) at the RIKEN laboratory in Japan, we did an experiment to measure the decay properties of neutron-rich isotopes of Se to Y around mass A = 100. The half-lives and β-delayed neutron emission probabilities of thirty-four isotopes measured in this experiment will be presented. In addition, implications of the new measured values for r-process models and nuclear structure based on the decay properties will be discussed.  

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Presenters

  • Neerajan Nepal

    Central Michigan Univ, Central Michigan University

Authors

  • Neerajan Nepal

    Central Michigan Univ, Central Michigan University

  • Alejandro Algora

    Instituto de Fisica Corpuscular, Valencia, Spain

  • Alfredo Estrade

    Central Michigan University, Central Michigan Univ

  • Shunji Nishimura

    RIKEN Nishina Center, RIKEN Nishina Center, Japan

  • Jorge Agramunt

    Instituto de Fisica Corpuscular, Valencia, Spain

  • Deuksoon Ahn

    RIKEN Nishina Center, RIKEN Nishina Center, Japan

  • Carlo Bruno

    University of Edinburgh, UK, University of Edinburgh, United Kingdom

  • Roger Caballero-Folch

    TRIUMF, Vancouver, Canada, TRIUMF, Canada, TRIUMF

  • Tom Davinson

    University of Edinburgh, UK, University of Edinburgh, United Kingdom

  • Iris Dillmann

    TRIUMF, TRIUMF, Canada

  • Alexandra Fijalkowska

    Rutgers University, USA, Rutgers University, United States

  • Naoki Fukuda

    RIKEN Nishina Center, RIKEN Nishina Center, Japan

  • Shintaro Go

    Kyushu University, RIKEN Nishina Center, Japan

  • Robert Grzywacz

    University of Tennessee, University of Tennessee and Oak Ridge National Lab, University of Tennessee, Knoxville

  • Tadaaki Isobe

    RIKEN Nishina Center, RIKEN Nishina Center, Japan

  • Shigeru Kubono

    Univ of Tokyo, RIKEN Nishina Center, Japan

  • Jiajian Liu

    University of Hong Kong

  • Giuseppe Lorusso

    National Physical Laboratory Teddington, UK, National Physical Laboratory, Teddington, UK, National Physical Laboratory, Teddington, United Kingdom

  • Keishi Matsui

    University of Tokyo, Japan

  • Anabel Morales

    Instituto de Fisica Corpuscular, Valencia, Spain

  • S.E.A. Orrigo

    Instituto de Fisica Corpuscular, Valencia, Spain

  • Vi H. Phong

    VNU Hanoi University of Science, Viet Nam, RIKEN Nishina Center, Japan

  • Bertis C Rasco

    Oak Ridge National Laboratory, Oak Ridge National Lab, ORNL

  • Krzysztof Rykaczewski

    Oak Ridge National Laboratory, ORNL

  • Hiroyoshi Sakurai

    RIKEN Nishina Center, RIKEN Nishina Center, Japan

  • Yohei Shimizu

    RIKEN Nishina Center, Japan

  • Dan Stracener

    Oak Ridge National Laboratory

  • Toshiyuki Sumikama

    RIKEN Nishina Center, RIKEN Nishina Center, Japan

  • Hiroshi Suzuki

    RIKEN Nishina Center, RIKEN Nishina Center, Japan

  • Jose L Tain

    Instituto de Fisica Corpuscular, Valencia, Spain, Instituto de Física Corpuscular

  • Hiroyuki Takeda

    RIKEN Nishina Center, RIKEN Nishina Center, Japan

  • Ariel Tarifeno-Saldivia

    Universitat Polit\`{e}cnica de Catalunya, Spain, Universitat Politecnica de Catalunya (UPC), Spain

  • Alvaro Tolosa-Delgado

    Instituto de Fisica Corpuscular, Valencia, Spain

  • Marzena Wolinska-Cinhocka

    Heavy Ion Laboratory University of Warsaw, Poland, Heavy Ion Laboratory, University of Warsaw, Heavy Ion Laboratory, University of Warsaw, Poland

  • Jin Wu

    Argonne National Laboratory

  • Rin Yokoyama

    University of Tennessee