An experimental particle physicist who coauthored observations of nuclear disintegration in photographic emulsions with Hertha Wambacher. A cluster of charged-particle tracks sharing one origin provided evidence for an interaction induced by cosmic rays. Recording such events photographically made rare nuclear processes available for repeated microscopic examination and measurement.[ref]
Disintegration Processes by Cosmic Rays with the Simultaneous Emission of Several Heavy Particles by Marietta Blau and Hertha Wambacher. Research letter, Nature 140, 585 (1937): disintegration stars
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Marietta Blau was an Austrian physicist known for her significant contributions to the field of nuclear and particle physics, particularly in the development of photographic emulsions used in cosmic ray research. Born on April 29, 1899, in Vienna, she became one of the first women to pursue a scientific career in a male-dominated field.