Nuclear emulsion with molybdenum filling for observation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si0005.gif" overflow="scroll"><mml:mi mathvariant="normal">β</mml:mi><mml:mi mathvariant="normal">β</mml:mi></mml:math> decayV. D. Ashitkov, V. I. Umatov, A. S. Barabash et al.|Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment|2010Cited by 2