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Photoneutron cross sections for $$^{96}$$Zr; A Systematic experimental study of photoneutron and radiative neutron capture cross sections for zirconium isotopes

Utsunomiya, Hiroaki*; Goriely, S.*; Akimune, Hidetoshi*; Harada, Hideo  ; Kitatani, Fumito ; Goko, Shinji; Toyokawa, Hiroyuki*; Yamada, Kawakatsu*; Kondo, Takeo*; Ito, Osamu*; Kamata, Masaki*; Yamagata, Tamio*; Lui, Y.-W.*; Hilaire, S.*; Koning, A.*

This manuscript presents photoneutron cross sections for $$^{96}$$Zr. Combining the present data with the previously published Zr data, we investigated the $$gamma$$-ray strength function for zirconium isotopes systematically. We present a unified picture of the $$gamma$$-ray strength function that consists of the HFB + QRPA model of E1 strength accompanied by an extra M1 strength attributable to giant M1 resonance. It is shown that the $$gamma$$-ray strength function reproduces both (g,n) and (n,g) cross sections for Zr isotopes consistently.



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Category:Physics, Nuclear



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