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Juliet Lee-Franzini died January 19, 2014  
Juliet Lee-Franzini, Professor Emerita, died Jan. 19 in Frascati Italy.

Juliet was one of the pioneers of the department, taking an appointment at the newly established Stony Brook campus in 1963 as the founding faculty member of the high energy physics experimental group, following her Ph.D. and postdoc at Columbia University. In 1993 she left Stony Brook to take a position at Laboratori Nazionali de Frascati, where she was VIP Physicist and later Director of Research.

Lee-Franzini's research spanned a broad range of important topics in particle physics in experiments conducted at Nevis Labs, Brookhaven National Laboratory, Penn-Princeton Accelerator, Fermilab, Cornell, and Frascati, usually in collaboration with her husband Paolo Franzini. Her early work at Columbia measured the muon decay spectra and gave precision confirmation of the V-A nature of the weak interaction. Her search for the lepton-violating decay μ ➙ e γ pointed to the subsequent discovery of two distinct neutrino flavors. Under her leadership in the Columbia-Stony Brook experiment at Cornell, the spectroscopy of bound state mesons containing a bottom and anti-bottom quark was mapped out, leading to the understanding of heavy flavor potentials, and the indirect observation of mesons containing a single bottom quark. The work on the KLOE experiment at Frascati provided beautiful measurements elucidating CP-violation in the neutral K meson system.

Lee-Franzini was an exceptional mentor and her students now lead particle physics research programs around the world. She served on the board of directors of the Research Foundation of SUNY, and on the Executive Committee of the APS Division of Particles and Fields.

Paul Grannis


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