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首页> 外文期刊>Physical review, C >Discovery of new isotopes Mo-81,Mo-82 and Ru-85,Ru-86 and a determination of the particle instability of Sb-103
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Discovery of new isotopes Mo-81,Mo-82 and Ru-85,Ru-86 and a determination of the particle instability of Sb-103

机译：发现新同位素MO-81，MO-82和RU-85，RU-86和SB-103的颗粒不稳定性的测定

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摘要

A search for new proton-rich isotopes using projectile fragmentation of a 345-MeV/nucleon Xe-124 beam has been performed with the BigRIPS in-flight separator at the RIKEN Nishina Center RI Beam Factory. Projectile fragments were identified by measuring the time of flight, magnetic rigidity, and energy loss in the BigRIPS separator. Projectile fragments then were transported downstream of the BigRIPS separator and re-identified by measuring the time of flight and total kinetic energy. Through such particle re-identification, we have discovered four new isotopes Mo-81,Mo-82 and Ru-85,Ru-86 located near the proton drip line. The Y-76 and Zr-78 isotopes near the proton drip line also were identified, supporting the previous report on their discovery. Furthermore, we have obtained the first clear evidence for the particle instability of Sb-103. Based on the systematics of measured production yields, the upper limit values were evaluated for the half-lives of the particle-unbound isotopes Nb-81, Tc-85, and Sb-103.
机译：在Riken Nishina Center Ri Beam厂的Biglifs In-Flifatoator中，使用射击345mev / nucleon XE-124梁的射弹碎片搜索新的质子碎片。通过测量BigRIPS分离器中的飞行时间，磁力刚性和能量损失来识别弹丸片段。然后，弹丸片段在BigRIPS分离器的下游运输，并通过测量飞行时间和总动能来重新识别。通过这种粒子重新鉴定，我们已经发现了四种新的同位素MO-81，MO-82和RU-85，RU-86位于质子滴管附近。鉴定了质子滴管附近的Y-76和ZR-78同位素，支持先前的检测报告。此外，我们已经获得了SB-103的颗粒不稳定性的第一明确证据。基于测量产率的系统性，对粒子 - 未结合同位素NB-81，TC-85和SB-103的半衰期评价上限值。

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  • 来源
    《Physical review, C》 |2017年第3期|共9页
  • 作者

    Suzuki H.; Kubo T.; Fukuda N.; Inabe N.; Kameda D.; Takeda H.; Yoshida K.; Kusaka K.; Yanagisawa Y.; Ohtake M.; Sato H.; Shimizu Y.; Baba H.; Kurokawa M.; Tanaka K.; Tarasov O. B.; Bazin D.; Morrissey D. J.; Sherrill B. M.; Ieki K.; Murai D.; Iwasa N.; Chiba A.; Ohkoda Y.; Ideguchi E.; Go S.; Yokoyama R.; Fujii T.; Nishimura D.; Nishibata H.; Momota S.; Lewitowicz M.; DeFrance G.; Celikovic I.; Steiger K.;

  • 作者单位

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    RIKEN RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    Michigan State Univ Natl Superconducting Cyclotron Lab 640 S Shaw Lane E Lansing MI 48824 USA;

    Michigan State Univ Natl Superconducting Cyclotron Lab 640 S Shaw Lane E Lansing MI 48824 USA;

    Michigan State Univ Natl Superconducting Cyclotron Lab 640 S Shaw Lane E Lansing MI 48824 USA;

    Michigan State Univ Natl Superconducting Cyclotron Lab 640 S Shaw Lane E Lansing MI 48824 USA;

    Rikkyo Univ Dept Phys 3-34-1 Nishi Ikebukuro Toshima Tokyo 1718501 Japan;

    Rikkyo Univ Dept Phys 3-34-1 Nishi Ikebukuro Toshima Tokyo 1718501 Japan;

    Tohoku Univ Dept Phys Aoba Ku 6-3 Aramaki Aza Aoba Sendai Miyagi 9808578 Japan;

    Tohoku Univ Dept Phys Aoba Ku 6-3 Aramaki Aza Aoba Sendai Miyagi 9808578 Japan;

    Tohoku Univ Dept Phys Aoba Ku 6-3 Aramaki Aza Aoba Sendai Miyagi 9808578 Japan;

    Univ Tokyo Ctr Nucl Study 2-1 Hirosawa Wako Saitama 3510198 Japan;

    Univ Tokyo Ctr Nucl Study 2-1 Hirosawa Wako Saitama 3510198 Japan;

    Univ Tokyo Ctr Nucl Study 2-1 Hirosawa Wako Saitama 3510198 Japan;

    Univ Tokyo Ctr Nucl Study 2-1 Hirosawa Wako Saitama 3510198 Japan;

    Tokyo City Univ Fac Liberal Arts &

    Sci Dept Phys 1-28-1 Tamazutsumi Tokyo 1588557 Japan;

    Osaka Univ Dept Phys 1-1 Machikaneyama Toyonaka Osaka 5600034 Japan;

    Kochi Univ Technol Sch Environm Sci &

    Engn 185 Miyanokuchi Kami City Kochi 7828502 Japan;

    GANIL Blvd Henri Becquerel Boite Postale 55027 F-14076 Caen 05 France;

    GANIL Blvd Henri Becquerel Boite Postale 55027 F-14076 Caen 05 France;

    GANIL Blvd Henri Becquerel Boite Postale 55027 F-14076 Caen 05 France;

    Tech Univ Munich Phys Dept E12 James Franck Str 1 D-85748 Garching Germany;

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  • 正文语种 eng
  • 中图分类 原子核物理学、高能物理学;
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