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Marcel Froissart
Marcel Froissart (20 December 1934, 6th arrondissement of Paris – 21 October 2015, 14th arrondissement of Paris) was a French theoretical physicist, specializing in particle physics. He is known for the Froissart bound and the Froissart–Stora equation. Biography After secondary study at the Lycée Louis-le-Grand, Marcel Froissart matriculated in 1953 at the École polytechnique, where he graduated in 1955. He then entered in October 1956 Mines ParisTech, now known as École nationale supérieure des mines de Paris (Mines Paris - PSL). After completing only one semester of a four-semester technical curriculum, he was sent in civil cooperation with the French Navy to Algeria (during the Algerian War, which lasted from 1954 to 1962). He was reassigned in 1957 to the ''Commissariat à l'énergie atomique'' (CEA), for which he worked in Geneva from 1957 to 1958 at CERN. Again in civil cooperation with the French military, he was reassigned to work at the University of Algeria fr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
6th Arrondissement Of Paris
The 6th arrondissement of Paris (''VIe arrondissement'') is one of the 20 Arrondissements of Paris, arrondissements of the capital city of France. In spoken French, it is referred to as ''le sixième''. The arrondissement, called Luxembourg in a reference to the Luxembourg Palace, seat of the Senate (France), Senate and its Jardin du Luxembourg, garden, is situated on the Rive Gauche of the Seine, River Seine. It includes educational institutions such as the École nationale supérieure des Beaux-Arts, the École des hautes études en sciences sociales and the Institut de France, as well as Parisian monuments such as the Odéon-Théâtre de l'Europe, the Pont des Arts, which links the 1st and 6th arrondissements over the Seine, Saint-Germain-des-Prés (abbey), Saint-Germain Abbey and Church of Saint-Sulpice, Paris, Saint-Sulpice Church. This central arrondissement, which includes the historic districts of Saint-Germain-des-Prés (surrounding the Saint-Germain-des-Prés (abbey), ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bernard Morin
Bernard Morin (; 3 March 1931 in Shanghai, China – 12 March 2018) was a French mathematician, specifically a topologist. Early life and education Morin lost his sight at the age of six due to glaucoma, but his blindness did not prevent him from having a successful career in mathematics. He received his Ph.D. in 1972 from the Centre National de la Recherche Scientifique. Career Morin was a member of the group that first exhibited an eversion of the sphere, i.e., a homotopy which starts with a sphere and ends with the same sphere but turned inside-out. He also discovered the Morin surface, which is a half-way model for the sphere eversion, and used it to prove a lower bound on the number of steps needed to turn a sphere inside out. Morin discovered the first parametrization of Boy's surface (earlier used as a half-way model), in 1978. His graduate student François Apéry, in 1986, discovered another parametrization of Boy's surface, which conforms to the general method for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paris Diderot University
Paris Diderot University, also known as Paris 7 (french: Université Paris Diderot), was a French university located in Paris, France. It was one of the inheritors of the historic University of Paris, which was split into 13 universities in 1970. Paris Diderot merged with Paris Descartes University in 2019 to form Paris Cité University. With two Nobel Prize laureates, two Fields Medal winners and two former French Ministers of Education among its faculty or former faculty, the university was famous for its teaching in science, especially in mathematics. Many fundamental results of the theory of probability were discovered at one of its research centres, the ''Laboratoire de Probabilités et Modèles Aléatoires'' (Laboratory of Probability and Random Models). History Paris Diderot University was one of the heirs of the old University of Paris, which ceased to exist in 1970. Professors from the faculties of Science, of Medicine and of Humanities chose then to create a new mu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pierre Binétruy
Pierre Binétruy (14 August 1955, Casablanca, French Morocco – 1 April 2017, Paris) was a French theoretical physicist, known for his research on cosmology, gravitational waves, strong nuclear interactions, and supersymmetry. Education and career Pierre Binétruy studied in the 1970s at the ''École normale supérieure de Saint-Cloud'' (whose scientific departments were moved in 1987 to Lyon and were named the ''École normale supérieure de Lyon'').. Pierre Binétruy received his doctorate from CERN in 1980. His thesis, directed by Mary K. Gaillard, is entitled ''Theoretical and Phenomenological Aspects fo Gauge Theories''. From 1980 to 1983 he held postdoctoral positions at CERN, the University of Florida, and the University of Chicago. From 1983 to 1986 he was a postdoc at the University of California, Berkeley, where he became interested in the astrophysics of the early universe for testing fundamental theories such as supersymmetry and superstrings. From 1986 to 1990 he was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astroparticle And Cosmology Laboratory
The Astroparticle and Cosmology (APC) laboratory in Paris gathers researchers (experimentalists, theorists and observers) working in different areas including high-energy astrophysics, cosmology, gravitation, and neutrino physics. The institute was founded in January 2005 and soon moved to new campus of Paris Diderot University in the Paris Rive Gauche area. The laboratory is a "Mixed Research Unit" in French terminology, funded by Paris Diderot University, the Centre national de la recherche scientifique (represented by three of its Institutes: mainly IN2P3, but also INSU and INP), the Commissariat à l'énergie atomique et aux énergies alternatives, and the Paris Observatory. The first director of the laboratory was Pierre Binetruy (2005-2013). From January 2014 until December 2017 the director was Stavros Katsanevas, followed by Sotiris Loucatos, and Antoine Kouchner (since July 2018). Research activities Cosmology This group, headed bKenneth Ganga includes two ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astroparticle
Cosmic rays are high-energy particles or clusters of particles (primarily represented by protons or atomic nuclei) that move through space at nearly the speed of light. They originate from the Sun, from outside of the Solar System in our own galaxy, and from distant galaxies. Upon impact with Earth's atmosphere, cosmic rays produce showers of secondary particles, some of which reach the surface, although the bulk is deflected off into space by the magnetosphere or the heliosphere. Cosmic rays were discovered by Victor Hess in 1912 in balloon experiments, for which he was awarded the 1936 Nobel Prize in Physics. Direct measurement of cosmic rays, especially at lower energies, has been possible since the launch of the first satellites in the late 1950s. Particle detectors similar to those used in nuclear and high-energy physics are used on satellites and space probes for research into cosmic rays. Data from the Fermi Space Telescope (2013) have been interpreted as evidence ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Institut National De Physique Nucléaire Et De Physique Des Particules
The French National Institute of Nuclear and Particle Physics ( French: ''Institut national de physique nucléaire et de physique des particules'', IN2P3) is the coordinating body for nuclear and particle physics in France. It was established in 1971 as a division of the French National Centre for Scientific Research (CNRS). Its purpose is "to promote and unite research activities in the various fields of physics". List of IN2P3 institutes Strasbourg * The Hubert Curien Multi-disciplinary Institute (''l'Institut Pluridisciplinaire Hubert Curien'', IPHC) Annecy * The Annecy Particle Physics Laboratory (''le Laboratoire d'Annecy de physique des particules'', LAPP) at the University of Savoy Lyon * The Institute of Nuclear Physics of Lyon (''l'Institut de physique nucléaire de Lyon'', IPNL) at Claude Bernard University Lyon 1 * The IN2P3 Computing Centre (''le Centre de calcul'', CC-IN2P3) * The Advanced Materials Laboratory (''le Laboratoire des matériaux avancés'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Large Hadron Collider
The Large Hadron Collider (LHC) is the world's largest and highest-energy particle collider. It was built by the European Organization for Nuclear Research (CERN) between 1998 and 2008 in collaboration with over 10,000 scientists and hundreds of universities and laboratories, as well as more than 100 countries. It lies in a tunnel in circumference and as deep as beneath the France–Switzerland border near Geneva. The first collisions were achieved in 2010 at an energy of 3.5 teraelectronvolts (TeV) per beam, about four times the previous world record. After upgrades it reached 6.5 TeV per beam (13 TeV total collision energy). At the end of 2018, it was shut down for three years for further upgrades. The collider has four crossing points where the accelerated particles collide. Seven detectors, each designed to detect different phenomena, are positioned around the crossing points. The LHC primarily collides proton beams, but it can also accelerate beams of heavy ion ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Louis Leprince-Ringuet
Louis Leprince-Ringuet (27 March 1901, in Alès – 23 December 2000, in Paris) was a French physicist, telecommunications engineer, essayist and historian of science. Leprince-Ringuet advocated strongly for the creation of the European Organization for Nuclear Research (CERN) and remained its indefatigable supporter. He was vice chair (1956–69) and chair (1964–66) of CERN’s scientific policy committee. He was elected to the American Philosophical Society. He is known for early discovery of the kaon. He also coined the term hyperon in 1953. Honors * from CNRS and École polytechnique École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ..., and part of the French National Institutes of Nuclear and Particle Physics (IN2P3), was named in his honour. References {{D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Francis Perrin (physicist)
Francis Perrin (17 August 1901 – 4 July 1992) was a French physicist, the son of Nobel prize-winning physicist Jean Perrin. Physicist Francis Perrin was born in Paris and attended École Normale Supérieure in Paris. In 1928 he obtained a doctorate in mathematical sciences from the faculté des sciences of Paris, based upon a thesis on Brownian motion and became a faculty member of Collège de France. In 1933, in connection with the neutrino, Francis Perrin estimated that "the mass must be null—or at least small compared to the mass of the electron". Subsequently he worked at the Collège de France on the fission of uranium. With Frédéric Joliot and his group, he established in 1939 the possibility of nuclear chain reactions and nuclear energy production. He was professor at the Collège de France in the chair of Atomic and Molecular Physics from 1946 to 1972. He was the French high-commissioner for atomic energy from 1951 to 1970. In 1972, he discovered the Oklo natur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
College De France Pediment
A college (Latin: ''collegium'') is an educational institution or a constituent part of one. A college may be a degree-awarding tertiary educational institution, a part of a collegiate or federal university, an institution offering vocational education, or a secondary school. In most of the world, a college may be a high school or secondary school, a college of further education, a training institution that awards trade qualifications, a higher-education provider that does not have university status (often without its own degree-awarding powers), or a constituent part of a university. In the United States, a college may offer undergraduate programs – either as an independent institution or as the undergraduate program of a university – or it may be a residential college of a university or a community college, referring to (primarily public) higher education institutions that aim to provide affordable and accessible education, usually limited to two-year associ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Collège De France
The Collège de France (), formerly known as the ''Collège Royal'' or as the ''Collège impérial'' founded in 1530 by François I, is a higher education and research establishment (''grand établissement'') in France. It is located in Paris near La Sorbonne. The Collège de France is considered to be France's most prestigious research establishment. Research and teaching are closely linked at the Collège de France, whose ambition is to teach "the knowledge that is being built up in all fields of literature, science and the arts". It offers high-level courses that are free, non-degree-granting and open to all without condition or registration. This gives it a special place in the French intellectual landscape. Overview The Collège is considered to be France's most prestigious research establishment. As of 2021, 21 Nobel Prize winners and 9 Fields Medalists have been affiliated with the Collège. It does not grant degrees. Each professor is required to give lectures where ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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