Project/Area Number |
26887048
|
Research Category |
Grant-in-Aid for Research Activity Start-up
|
Allocation Type | Single-year Grants |
Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
|
Research Institution | Japan Atomic Energy Agency |
Principal Investigator |
Orlandi Riccardo 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 先端基礎研究センター, 研究員 (50737608)
|
Research Collaborator |
NISHIO Katsuhisa 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 先端基礎研究センター
MAKII Hiroyuki 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 先端基礎研究センター
HIROSE Kentaro 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 先端基礎研究センター
NISHINAKA Ichiro 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 先端基礎研究センター
IKEZOE Hiroshi 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 先端基礎研究センター
GRZYWACZ Robert Univ. of Tennessee
GO Shintaro Univ. of Tennessee
XIAO Yongchi Univ. of Tennessee
RYKACZEWSKI Krzysztof Oak Ridge National Laboratory
GROSS Carl Oak Ridge National Laboratory
BREWER Nathan Oak Ridge National Laboratory
ANDREYEV Andrei University of York
JENKINS David University of York
DAVIES Paul University of York
|
Project Period (FY) |
2014-08-29 – 2016-03-31
|
Project Status |
Completed (Fiscal Year 2015)
|
Budget Amount *help |
¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
|
Keywords | nuclear structure / alpha decay / proton-rich nuclei |
Outline of Final Research Achievements |
An experimental program to discover and identify the heaviest possible nuclei with the same number of protons and neutrons was started at the JAEA Tandem accelerator laboratory. The decay properties of these isotopes provide important data to understand at a fundamental level how the alpha particle forms in the nucleus. A new setup was developed in collaboration with international colleagues. The discovery of new isotope113Ba (Z=56, N=57) was attempted. One observed event reveals that 113Ba was produced for the first time. The experiment for the discovery of 108Xe and 104Te, the ultimate goal of this program, started in December 2015. Due to the long measuring time needed, it will be resumed in a following experimental campaign.
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