Bernard Sadoulet (born 23 April 1944 in

Nice Nice ( ; ) is a city in and the prefecture of the Alpes-Maritimes department in France. The Nice agglomeration extends far beyond the administrative city limits, with a population of nearly one million École polytechnique (, ; also known as Polytechnique or l'X ) is a ''grande école'' located in Palaiseau, France. It specializes in science and engineering and is a founding member of the Polytechnic Institute of Paris. The school was founded in 1794 by mat ...

and received his doctorate in 1971 at

University of Paris-Sud Paris-Sud University (), also known as the University of Paris — XI (or as the Orsay Faculty of Sciences, University of Paris before 1971), was a French research university distributed among several campuses in the southern suburbs of Paris, ...

Orsay Orsay () is a Communes of France, commune in the Essonne Departments of France, department in Île-de-France in northern France. It is located in the southwestern suburbs of Paris, France, from the Kilometre Zero, centre of Paris. A fortifie ...

. From 1966 to 1973 he worked 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 ...

and from 1976 at

Lawrence Berkeley National Laboratory Lawrence Berkeley National Laboratory (LBNL, Berkeley Lab) is a Federally funded research and development centers, federally funded research and development center in the Berkeley Hills, hills of Berkeley, California, United States. Established i ...

. He was involved in the design of the UA1 detector at CERN. In the 1990s and 2000s, he was engaged in the search for

dark matter In astronomy, dark matter is an invisible and hypothetical form of matter that does not interact with light or other electromagnetic radiation. Dark matter is implied by gravity, gravitational effects that cannot be explained by general relat ...

in the form of

WIMPs Weakly interacting massive particles (WIMPs) are hypothetical particles that are one of the proposed candidates for dark matter. There exists no formal definition of a WIMP, but broadly, it is an elementary particle which interacts via gravity an ...

. He developed cryogenic detectors to discover these WIMPs through the

phonon A phonon is a collective excitation in a periodic, elastic arrangement of atoms or molecules in condensed matter, specifically in solids and some liquids. In the context of optically trapped objects, the quantized vibration mode can be defined a ...

s they generated by collisions in crystals. Specifically, he initiated the

Cryogenic Dark Matter Search The Cryogenic Dark Matter Search (CDMS) is a series of experiments designed to directly detect particle dark matter in the form of Weakly Interacting Massive Particles (or WIMPs). Using an array of semiconductor detectors at millikelvin temperatu ...

(CDMS) experiments at the Soudan Underground Laboratory in Minnesota with

Blas Cabrera Navarro Blas Cabrera Navarro (born September 21, 1946 in Paris, France) is a Stanley G. Wojcicki Professor of Physics at Stanford University best known for his experiment in search of magnetic monopoles. He is the son of Spanish physicist Nicolás Cabre ...

. In 2013 he received the

Panofsky Prize The Panofsky Prize in Experimental Particle Physics is an annual prize of the American Physical Society. It is given to recognize and encourage outstanding achievements in experimental particle physics, and is open to scientists of any nation. It w ...

with Blas Cabrera. Sadoulet 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 ...

, the American Academy of Arts and Sciences, and the American Association for the Advancement of Science. In 2012 he was elected a member of the

National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, NGO, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the ...

. Since 1985 he is a professor at the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California), is a Public university, public Land-grant university, land-grant research university in Berkeley, California, United States. Founded in 1868 and named after t ...

. There from 1989 to 2001 he was director of the Center for Particle Astrophysics. He is currently the director of the

LBNL Lawrence Berkeley National Laboratory (LBNL, Berkeley Lab) is a federally funded research and development center in the hills of Berkeley, California, United States. Established in 1931 by the University of California (UC), the laboratory is spo ...

Institute for Nuclear and Particle Astrophysics and Cosmology (INPA). His doctoral students include Vuk Mandic.

Selected publications

* with

Joel Primack Joel R. Primack (born July 14, 1945) is an American physicist. He is a professor of physics and astrophysics at the University of California, Santa Cruz, and is a member of the Santa Cruz Institute for Particle Physics. Primack received his A.B ...

, D. Seckel: ''Detection of Cosmic Dark Matter'', Ann. Rev. Nucl. Part Sci., Vol. 38, 1988, pp. 751–807

References

{{DEFAULTSORT:Sadoulet, Bernard French physicists University of Paris alumni University of California, Berkeley faculty Fellows of the American Academy of Arts and Sciences Fellows of the American Physical Society Fellows of the American Association for the Advancement of Science Members of the United States National Academy of Sciences 1944 births Living people People associated with CERN École Polytechnique alumni