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Vanina Ruhlmann-Kleider (born 1961) is a French physicist and director of research for the
French National Centre for Scientific Research The French National Centre for Scientific Research (, , CNRS) is the French state research organisation and is the largest fundamental science agency in Europe. In 2016, it employed 31,637 staff, including 11,137 tenured researchers, 13,415 engi ...
(CNRS), at CEA Paris-Saclay. Originally working in
experimental particle physics Particle physics or high-energy physics is the study of fundamental particles and forces that constitute matter and radiation. The field also studies combinations of elementary particles up to the scale of protons and neutrons, while the stud ...
, her interests shifted to
observational cosmology Observational cosmology is the study of the structure, the evolution and the origin of the universe through observation, using instruments such as telescopes and cosmic ray detectors. Early observations The science of physical cosmology as it is ...
through her participation in the Supernova Legacy Survey and Baryon Oscillation Spectroscopic Survey projects.


Education and career

Ruhlmann-Kleider earned a
diplôme d'études approfondies A Master of Advanced Studies (MASt or MAS), or Master of Advanced Study, is a postgraduate degree awarded in various countries. Master of Advanced Studies programs may be non-consecutive programs tailored for "specific groups of working professio ...
in nuclear and particle physics through her studies at the École normale supérieure de jeunes filles, and in 1988 completed a doctorate through the
University of Paris The University of Paris (), known Metonymy, metonymically as the Sorbonne (), was the leading university in Paris, France, from 1150 to 1970, except for 1793–1806 during the French Revolution. Emerging around 1150 as a corporation associated wit ...
, for research at CEA Paris-Saclay, with the dissertation ''Measurement of the strong running coupling constant from W and Z production (UA2 experiment)'' directed by André Roussarie. In the same year, she became a permanent researcher at CEA Paris-Saclay. Until 2008, her research included experimental high-energy physics at
CERN The European Organization for Nuclear Research, known as CERN (; ; ), is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in Meyrin, western suburb of Gene ...
, including the search for the
Higgs Boson The Higgs boson, sometimes called the Higgs particle, is an elementary particle in the Standard Model of particle physics produced by the excited state, quantum excitation of the Higgs field, one of the field (physics), fields in particl ...
. She began work on the Supernova Legacy Survey in 2006, and since then has continued her research in observational cosmology. More recently, her work on the Baryon Oscillation Spectroscopic Survey has led to new insights into
dark energy In physical cosmology and astronomy, dark energy is a proposed form of energy that affects the universe on the largest scales. Its primary effect is to drive the accelerating expansion of the universe. It also slows the rate of structure format ...
. She is one of the group leaders of the SPP Cosmology group in the CEA Institute of research into the fundamental laws of the universe (IRFU).


Recognition

Ruhlmann-Kleider received the
Ordre des Palmes académiques A suite, in Western classical music, is an ordered set of instrumental or orchestral/concert band pieces. It originated in the late 14th century as a pairing of dance tunes; and grew in scope so that by the early 17th century it comprised up to ...
in 2002, and the
CNRS Silver Medal The CNRS Silver Medal is a scientific award given every year to about fifteen researchers by the French National Centre for Scientific Research (CNRS). It is awarded to a researcher for "the originality, quality and importance of their work, re ...
in 2003. She was named a chevalier in the
Legion of Honour The National Order of the Legion of Honour ( ), formerly the Imperial Order of the Legion of Honour (), is the highest and most prestigious French national order of merit, both military and Civil society, civil. Currently consisting of five cl ...
in 2010.


References

{{DEFAULTSORT:Ruhlmann-Kleider, Vanina 1961 births Living people Particle physicists French astrophysicists French women physicists Research directors of the French National Centre for Scientific Research Knights of the Legion of Honour People associated with CERN