Transverse asymmetry of $\gamma$ rays from neutron-induced compound states of ${}^{140}{\rm La}$

20 Feb 2020  ·  Yamamoto T., Okudaira T., Endo S., Fujioka H., Hirota K., Ino T., Ishizaki K., Kimura A., Kitaguchi M., Koga J., Makise S., Niinomi Y., Oku T., Sakai K., Shima T., Shimizu H. M., Takada S., Tani Y., Yoshikawa H., Yoshioka T. ·

A correlation term ${{ \sigma}_{n} }\cdot ({ k_{n}\times k_\gamma}) $ in the ${}^{139}{\rm La}(\vec{n},\gamma)$ reaction has been studied utilizing epithermal polarized neutrons and germanium detectors. The transverse asymmetry for single $\gamma$-ray transition was measured to be $0.60\pm0.19$ in the $p$-wave resonance.

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Nuclear Experiment Instrumentation and Detectors