Observation of New Isotope <sup>131</sup>Ag via the Two-Step Fragmentation Technique

WANG He; N. Aoi; S. Takeuchi; M. Matsushita; P. Doornenbal; T. Motobayashi; D. Steppenbeck; K. Yoneda; K. Kobayashi; J. Lee; LIU Hong-Na; Y. Kondo; R. Yokoyama; H. Sakurai; YE Yan-Lin

doi:10.1088/0256-307X/30/4/042501

Abstract

We report on the first observation of the neutron-rich nucleus ¹³¹Ag. This isotope was produced via fragmentation reactions of intense secondary radioactive ion beams, including ^{134, 135}Sn. The secondary beams were produced from induced fission reactions from a stable ²³⁸U beam at 345 MeV/nucleon. Secondary reaction residues were selected by the ZeroDegree spectrometer and identified by measuring their magnetic rigidity, time of flight, energy loss, and total kinetic energy.

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WANG He, N. Aoi, S. Takeuchi, M. Matsushita, P. Doornenbal, T. Motobayashi, D. Steppenbeck, K. Yoneda, K. Kobayashi, J. Lee, LIU Hong-Na, Y. Kondo, R. Yokoyama, H. Sakurai, YE Yan-Lin. Observation of New Isotope 131Ag via the Two-Step Fragmentation Technique[J]. Chin. Phys. Lett., 2013, 30(4): 042501. DOI: 10.1088/0256-307X/30/4/042501

Observation of New Isotope ¹³¹Ag via the Two-Step Fragmentation Technique

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Observation of New Isotope 131Ag via the Two-Step Fragmentation Technique

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Observation of New Isotope ¹³¹Ag via the Two-Step Fragmentation Technique