Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2008-12-11
Phys. Scr. 79 (2009) 055703
Physics
Nuclear Physics
Nuclear Experiment
Scientific paper
Nonlinear characteristic emissions of K alpha, K beta and gamma with a significant triplet splitting at room temperature are observed from the long-lived nuclear state of 103mRh excited by bremsstrahlung irradiation. A pronounced phase-transition-like narrowing of the emission profiles occurs immediately after the sample is cooled down to 77 K. The room temperature profiles reappear again abruptly and almost reversibly as the temperature drifts freely back to approximately the ice point after the filling of liquid nitrogen is stopped. These emission properties at 300 K and at low temperature may indicate that the 103mRh nuclei are in collective states.
Chen* Chinping.
Cheng Yao
Xia Bing
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