JoAnne L. Hewett
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JoAnne L. Hewett (born 1960) is a theoretical particle physicist on the faculty of the SLAC National Accelerator Laboratory at
Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is consider ...
, where she is a professor in the Department of Particle Physics and Astrophysics. Since 2017 she has been the associate lab director of the Fundamental Physics Directorate and the chief research officer at SLAC. Her research interests include physics beyond the
Standard Model The Standard Model of particle physics is the theory describing three of the four known fundamental forces (electromagnetism, electromagnetic, weak interaction, weak and strong interactions - excluding gravity) in the universe and classifying a ...
, dark matter, and hidden dimensions. She is a fellow of the
American Physical Society The American Physical Society (APS) is a not-for-profit membership organization of professionals in physics and related disciplines, comprising nearly fifty divisions, sections, and other units. Its mission is the advancement and diffusion of k ...
and a fellow of the
American Association for the Advancement of Science The American Association for the Advancement of Science (AAAS) is an American international non-profit organization with the stated goals of promoting cooperation among scientists, defending scientific freedom, encouraging scientific respons ...
(AAAS). In April 2023, she was named as the next director of Brookhaven National Laboratory and president Brookhaven Science Associates, taking over these roles from Doon Gibbs.


Early life and education

JoAnne Lea Hewett, daughter of Robert and Jean Hewett, lived in
Boulder, Colorado Boulder is a home rule city that is the county seat and most populous municipality of Boulder County, Colorado, United States. The city population was 108,250 at the 2020 United States census, making it the 12th most populous city in Color ...
, Phoenix, Arizona,
St. Louis, Missouri St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi River, Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the Greater St. Louis, ...
, and Bettendorf, Iowa, while growing up. She completed her undergraduate degree in physics and mathematics at Iowa State University in 1982, and earned her doctorate there in 1988. Her dissertation, advised by B.-L. Young, was titled, ''Superstring Inspired E(6) Phenomenology.''


Career

Hewett began her career as a postdoctoral associate from 1988 to 1991 at the University of Wisconsin-Madison and in 1991–1993 she worked as a physicist at
Argonne National Laboratory Argonne National Laboratory is a science and engineering research United States Department of Energy National Labs, national laboratory operated by University of Chicago, UChicago Argonne LLC for the United States Department of Energy. The facil ...
. In 1994 she joined the faculty at SLAC National Accelerator Laboratory, where she is a professor in the SLAC Department of Particle Physics and Astrophysics. Hewett has served on Program Advisory Committees of SLAC, Fermi National Accelerator Laboratory,
Kavli Institute for Theoretical Physics The Kavli Institute for Theoretical Physics (KITP) is a research institute of the University of California, Santa Barbara. KITP is one of the most renowned institutes for theoretical physics in the world, and brings theorists in physics and rela ...
, and the
Cornell Electron Storage Ring The Cornell Electron Storage Ring (CESR, pronounced Caesar) is a particle accelerator operated by Cornell University and located 40 feet beneath a football field on their Ithaca campus. The accelerator has contributed to fundamental research in hi ...
. She currently chairs the High Energy Physics Advisory Panel and was a member of the panel in 2004–2006 and again in 2016; in 2006 and 2014, she served on the Particle Physics Project Prioritization Panel; and she served as chair of the APS Division of Particles and Fields in 2016.


Research

Her research interests include models of physics beyond the
Standard Model The Standard Model of particle physics is the theory describing three of the four known fundamental forces (electromagnetism, electromagnetic, weak interaction, weak and strong interactions - excluding gravity) in the universe and classifying a ...
, emphasizing collider signatures and the interface with
astroparticle physics Astroparticle physics, also called particle astrophysics, is a branch of particle physics that studies elementary particles of astronomical origin and their relation to astrophysics and cosmology. It is a relatively new field of research emergin ...
. Hewett has worked on the "
phenomenology Phenomenology may refer to: Art * Phenomenology (architecture), based on the experience of building materials and their sensory properties Philosophy * Phenomenology (philosophy), a branch of philosophy which studies subjective experiences and a ...
of extra spatial dimensions, extended
Higgs Higgs may refer to: Physics *Higgs boson, an elementary particle *Higgs mechanism, an explanation for electroweak symmetry breaking *Higgs field, a quantum field People *Alan Higgs (died 1979), English businessman and philanthropist *Blaine Higgs ...
sectors,
supersymmetry In a supersymmetric theory the equations for force and the equations for matter are identical. In theoretical and mathematical physics, any theory with this property has the principle of supersymmetry (SUSY). Dozens of supersymmetric theories e ...
, new physics signatures in heavy flavor physics, dark matter, and the complementarity of experimental probes of dark matter". She has collaborated on the
BaBar experiment The BaBar experiment, or simply BaBar, is an international collaboration of more than 500 physicists and engineers studying the subatomic world at energies of approximately ten times the rest mass of a proton (~10 GeV). Its design was motivat ...
and the
International Linear Collider The International Linear Collider (ILC) is a proposed linear particle accelerator. It is planned to have a collision energy of 500 GeV initially, with the possibility for a later upgrade to 1000 GeV (1 TeV). Although early proposed ...
.


Honors

Upon her election in 2007 as a fellow of the American Physical Society, Hewett was cited "For her contributions to our understanding of constraints on and searches for physics beyond the
Standard Model The Standard Model of particle physics is the theory describing three of the four known fundamental forces (electromagnetism, electromagnetic, weak interaction, weak and strong interactions - excluding gravity) in the universe and classifying a ...
, and service to the particle physics community leading studies of future experiments." She was elected in 2009 as a fellow of the American Association for the Advancement of Science.


References


External links

* * SLAC Spotlight Video Series
JoAnne L. Hewett - Theoretical Physics
(video, 2:03 minutes)
Hidden Dimensions and String Theory
– Joanne Hewett (SETI Talks) (video, 1:09:26 hours) {{DEFAULTSORT:Hewett, JoAnne L. 1960 births Living people Particle physicists Stanford University faculty American women physicists American physicists People from San Mateo, California Iowa State University alumni People from Bettendorf, Iowa Fellows of the American Association for the Advancement of Science Fellows of the American Physical Society Physicists from Missouri Scientists from St. Louis 21st-century American women