Production de Particules Dans Les Collisions de Deux Photons Et Approximation Du Photon Équivalent PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 3
Book Description
Zawiera nadb. z Journal de Physique, Colloque. C2, supplément n°3, T. 35 mars 1974 pt.: Formulation and validity of equivalent photon approximation in the two-photon exchange mechanism".
Author: Publisher: ISBN: Category : Languages : en Pages : 3
Book Description
Zawiera nadb. z Journal de Physique, Colloque. C2, supplément n°3, T. 35 mars 1974 pt.: Formulation and validity of equivalent photon approximation in the two-photon exchange mechanism".
Book Description
CE TRAVAIL DE THESE EST ENTIEREMENT DEVOLU A L'ETUDE DE LA PRODUCTION DE PAIRES DE PARTICULES DANS LES COLLISIONS HADRONIQUES ; NOUS L'AVONS DIVISE EN DEUX PARTIES. LA PREMIERE PARTIE QUI FAIT L'OBJET D'UNE ATTENTION PARTICULIERE EST CONSACREE A L'ETUDE DE LA PRODUCTION D'UNE PAIRE DE PHOTONS ; ON Y DEVELOPPE UNE METHODE GENERALE PERMETTANT D'IDENTIFIER, DE SEPARER ET D'EXTRAIRE LES DIVERGENCES DE MASSE DE LA SECTION EFFICACE DIFFERENTIELLE PARTONIQUE EN VUE DE LEUR COMPENSATION AU TRAVERS DE DEUX PROCEDURES QUE SONT LA FACTORISATION ET LA RESOMMATION. DANS LA PROCEDURE DE FACTORISATION, LES DIVERGENCES COLINEAIRES SONT ABSORBEES DANS UNE REDEFINITION DES FONCTIONS DE STRUCTURES ET/OU DE FRAGMENTATION A UNE ECHELLE M#2 (ECHELLE DE FACTORISATION). LES GLUONS MOUS RESPONSABLES DES DIVERGENCES INFRAROUGES AYANT POUR CONSEQUENCE DE RENDRE SINGULIERE LA DISTRIBUTION EN IMPULSION TRANSVERSE DE LA PAIRE DE PHOTON #D#O/#D#Q#2#T#3#4 QUAND Q#2#T#3#4 0, RENDENT NECESSAIRE LA PROCEDURE DE RESOMMATION. CETTE DERNIERE SERA INTRODUITE DANS UN CADRE ASSEZ LARGE LA METTANT EN PARALLELE AVEC LA RENORMALISATION ET LA FACTORISATION, PROPICE A DEFINIR CE QU'EST L'APPROXIMATION AU-DELA DES LOGARITHMES DOMINANTS (NTL) AVEC LAQUELLE NOS PREDICTIONS SONT FAITES. CES PREDICTIONS SONT ENSUITE COMPAREES AUX DONNEES DE L'EXPERIENCE SUR CIBLE FIXE DE WA70. LA SECONDE PARTIE, ESSENTIELLEMENT TECHNIQUE, EST CONSACREE A LA PRODUCTION DE PAIRES DE HADRONS A GRANDES IMPULSIONS TRANSVERSES, LA PRODUCTION ASSOCIEE D'UN #0 ET D'UN OU LE EST EMIS VIA UNE FONCTION DE FRAGMENTATION AINSI QUE LA PRODUCTION DE DEUX PHOTONS VIA LEUR FONCTION DE FRAGMENTATION (DOUBLE BREMSSTRAHLUNG). ON DEVELOPPE UN FORMALISME QUI PERMETTRA D'ENVISAGER LE CAS COMPLETEMENT INCLUSIF ET LE CAS OU L'ON INTRODUIT UN CRITERE D'ISOLATION (EXPERIMENTAL) POUR LES PARTICULES PRODUITES. LA PRODUCTION DE PAIRES DE CLUSTERS NEUTRES REVET UNE IMPORTANCE PARTICULIERE DANS LA MESURE OU L'ENSEMBLE DE CE TRAVAIL DOIT PERMETTRE A TERME, D'ESTIMER ASSEZ PRECISEMENT LE BRUIT DE FOND POUR LA DESINTEGRATION DU BOSON DE HIGGS EN 2 PHOTONS AUPRES DU FUTUR COLLISIONNEUR PP DU CERN, LE LHC
Author: Claude Cohen-Tannoudji Publisher: John Wiley & Sons ISBN: 3527345558 Category : Science Languages : en Pages : 790
Book Description
This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.
Author: Pauline Gagnon Publisher: Oxford University Press ISBN: 0198783248 Category : Science Languages : en Pages : 267
Book Description
CERN, the European Laboratory for particle physics, regularly makes the news. What kind of research happens at this international laboratory and how does it impact people's daily lives? Why is the discovery of the Higgs boson so important? Particle physics describes all matter found on Earth, in stars and all galaxies but it also tries to go beyond what is known to describe dark matter, a form of matter five times more prevalent than the known, regular matter. How do we know this mysterious dark matter exists and is there a chance it will be discovered soon? About sixty countries contributed to the construction of the gigantic Large Hadron Collider (LHC) at CERN and its immense detectors. Dive in to discover how international teams of researchers work together to push scientific knowledge forward. Here is a book written for every person who wishes to learn a little more about particle physics, without requiring prior scientific knowledge. It starts from the basics to build a solid understanding of current research in particle physics. A good dose of curiosity is all one will need to discover a whole world that spans from the infinitesimally small and stretches to the infinitely large, and where imminent discoveries could mark the dawn of a huge revolution in the current conception of the material world.
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Author: Claude Cohen-Tannoudji
Author: Pauline Gagnon