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September 12, 2018 : Effect of deutrium "snow" on ultracold neutron sources
A collaboration including, PSI, NCSU, LANL, ETH Zurich, and the University of Mainz has investigated the degradation of solid deuterium crystals and its effect on the production of ultracold neutrons. Their results show a consistent trend between the LANL and PSI sources, the SD2 converter crystal is damaged by pulses of the proton accelerator. This damaged leads to an attenuation of the lower energy UCN. See A. Anghel, et al, Eur. Phys. J. A (2018)54 : 148 (arXiv:1804.08616) for the details.
Neutron lifetime Puzzle may hint at Dark Matter
Could a dark decay explain the discrepancy in neutron lifetime measurements.
85th SESAPS Meeting in Knoxville Nov. 8-10, 2018
The 85th meeting of the South Eastern Section of the American Physical Soceity is happening in Knoxville, TN Nov. 8-10. Follow this link for more information.
APS DNP 2018 :
The annual APS Division of Nuclear Physics meeting is on the Big Island of Hawai'i this October.
