期刊
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
卷 79, 期 7, 页码 -出版社
PHYSICAL SOC JAPAN
DOI: 10.1143/JPSJ.79.073201
关键词
nuclear reactions Be(U-238, x) and Pb(U-238, x) E=345 MeV/nucleon; In-flight fission; New isotopes; RI beam separator
资金
- U.S. Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357, DE-FG02-03ER41265]
- National Science Foundation [PHY-0606007, PHY-0855013, PHY-0735989]
- Grants-in-Aid for Scientific Research [22340053] Funding Source: KAKEN
A search for new isotopes using in-flight fission of a 345 MeV/nucleon U-238 beam has been carried out at the RI Beam Factory at the RIKEN Nishina Center. Fission fragments were analyzed and identified by using the superconducting in-flight separator BigRIPS. We observed 45 new neutron-rich isotopes: Mn-71, Fe-73,Fe-74, Co-76, Ni-79, Cu-81,Cu-82, Zn-84,Zn-85, Ga-87, Ge-90, Se-95, Br-98, Kr-101, Rb-103, Sr-106,Sr-107, Y-108,Y-109, Zr-111,Zr-112, Nb-114,Nb-115, Mo-115,Mo-116,Mo-117, Tc-119,Tc-120, (121,122,123),Ru-124, Rh-123,Rh-124,Rh-125,Rh-126, Pd-127,Pd-128, Cd-133, Sn-138, Sb-140, Te-143, I-145, Xe-148, and Ba-152.
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