Magnetic calorimeter for registration of small energy release |
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Authors: | A I Golovashkin G N Izmaïlov G V Kuleshova T Q Khánh A M Tskhovrebov L N Zherikhina |
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Institution: | (1) P.N. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii prospect, 53, Moscow, 119991, Russia;(2) Department of Physics, Moscow Aviation Institute (State Technical University), Volokolamskoe shosse, 4, Moscow, 125872, Russia |
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Abstract: | A scheme of magnetic calorimeter for registration of rare events
characterized by small energy release (cosmic rays, WIMPs, solitary X-ray
quanta) is proposed. The calorimeter is brought to operation by adiabatic
demagnetization, and its magnetic response is measured by a quantum
interferometer (SQUID, A. Barone and G. Paterno, Physics and applications of Josephson Effect). Special consideration is given to the specific
features of calorimeter operation in the ferromagnetic transition region.
The trigger registration of ultrasmall energy release by a ferromagnetic
system in the metastable state is described. |
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Keywords: | 75 30 Sg Magnetocaloric effect magnetic cooling 85 25 Dq Superconducting quantum interference devices (SQUIDs) |
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