| "Bi-modal"Isoscalar Giant Dipole Strength in $^{58}$Ni (2006) | |||||||||||
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| modal Isoscalar Giant Dipole Strength K Nayak Garg Hedden Koss Liu Madhusudhana Rao Zhu arXiv nucl Jan Physics Department University Notre Dame Notre Dame USA Itoh Sakaguchi Takeda Uchida Yasuda Yosoi Department Physics Kyoto University Kyoto Japan Fujimura Fujiwara Hara Research Center for Nuclear Physics Osaka University Mihogaoka Ibaraki Osaka Japan Kawabata Center for Nuclear Study Graduate School Science University Tokyo Bunkyo Tokyo Japan Akimune Department Physics Konan University Kobe Hyogo Japan Harakeh Kernfysisch Versneller Instituut University Groningen Groningen The Netherlands Dated January Abstract The strength distribution the isoscalar giant dipole resonance ISGDR has been obtained over the energy range MeV via extreme forward angle scattering including MeV particles observe modal strength distribution for the first time nucleus The observed ISGDR strength distribution good agreement with the predictions recent RPA calculation PACS numbers f z The compressional mode giant resonances the atomic nuclei the isoscalar giant monopole resonance ISGMR and the isoscalar giant dipole resonance ISGDR provide direct method obtain the incompressibility the nucleus and nuclear matter Knm Although ISGMR has been investigated extensively for large number nuclei the past the exotic ISGDR has been identified only few nuclei and the location ISGDR not systematically established over the wide mass region One major concern with ISGDR data had been that the nuclear incompressibil | |||||||||||
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