Interaction de Compton inverse
Compact x-ray source based on burst-mode inverse Compton scattering at 100 kHz
... laser-electron interaction area is shown in ...small interaction point (IP), thus as for any beam brought to a tight focus, a lens is required nearby with a large numerical ...
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Développement d’une source de rayonnement X par diffusion Compton inverse sur l'accélérateur ELSA et optimisation à l'aide d'un système d'empilement de Photons
... par interaction Compton à partir de paquets d’électrons accélérés par plasma ...Cette interaction de type entièrement optique met en jeu deux impulsions laser femto-seconde ...diffusion ...
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CHANDRA AND HST IMAGING OF THE QUASARS PKS B0106+013 AND 3C 345: INVERSE COMPTON X-RAYS AND MAGNETIZED JETS
... Even so, it is intriguing to consider the idea of highly mag- netized jets, as the role of the kiloparsec-scale environment in influencing the jet power and structure seems to be undermined in our recent MOJAVE VLA study ...
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Inverse de Drazin Propriétés et applications
... EG a été établi pour toute non nulle. Une matrice, ce qui ne fournit pas un calcul systématique procédure pour construire une factorisation. cependant, après que nous avons examiné la relation entre A + et Moore- Penrose ...
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Chapitre 6 : fonction inverse
... Propriété : La fonction inverse est décroissante sur et sur. II – Etude aux bornes de l’ensemble de définition. 1°) Notion de limite. Propriété : On dit que la fonction inverse a[r] ...
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Probleme inverse en calcul des variations
... [6] J.DOUGLAS, Solution of the Inverse Problem of the Calculus of Variations, Trans. Amer. Math. Soc. 50 (1941), 71-128. [7] I.Ekeland, J.P.Aubin, Applied Nonlinear Analysis, Wiley, 1984, 520p. [8] I.Ekeland and ...
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L’électroarthrographie : problèmes direct et inverse
... The average potentials measured in three sets of 20 knees were used to estimate the current density magnitudes in a simplified 2-subsource scheme (1Z2). For the asymptomatic group, the current density estimated on the ...
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Simulations of a scintillator compton gamma imager for safety and security
... Fig. 3. Percentage of 662 keV events undergoing interaction as a function of slab thickness for a) LaBr 3 , b) NaI, c) CaF 2 and d) PVT materials. The solid histogram indicates the percentage of incoming gammas ...
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Scaling tests of the cross section for deeply virtual compton scattering
... ture functions, now called generalized parton distribu- tions (GPD), became of experimental interest when it was shown [1] that they are accessible through deeply virtual Compton scattering (DVCS) and its ...
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Étude et développement d'un télescope Compton au xénon liquide dédié à l'imagerie médicale fonctionnelle
... télescope Compton au xénon liquide avec un émetteur à trois photons afin de pouvoir loca- liser ce dernier désintégration par ...télescope Compton au xénon liquide (XEMIS2) afin de pouvoir l’associer à une ...
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Action understanding as inverse planning
... Our framework uses MDPs to capture observers’ mental models of intentional agents’ goal- and environment-based planning. MDPs are a normative framework for modeling sequential decision making under uncertainty, widely ...
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Direct/Inverse Systems
... 1981b on Situ, Sun and Shidanluo 2002 on Tshobdun, Jacques 2010 on Japhug and ? on Zbu). 144 initially proposed in order to account for particular splits in case patterns (see Silverstein 1976 ), have also been used to ...
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Poisson inverse problems
... in inverse problems for Poisson processes involving the use of wavelet ...for inverse problems in terms of optimally adapting to the unknown smoothness of the solution, together with the remarkably simple ...
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First demonstration of a Compton gamma imager based on silicon photomultipliers
... 5.2. Imaging – 137 Cs 5.2.1. Backprojection image By projecting the Compton cones from all of the events in the coincidence selection onto an image plane, a backprojection image may be obtained. To present the ...
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Collaborative Sliced Inverse Regression
... Sliced Inverse Regression (SIR) is an effective method for dimen- sionality reduction in high-dimensional regression problems. However, the method has requirements on the distribution of the predictors that are ...
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Développement d'un photomultiplicateur gazeux cryogénique dédié à un télescope Compton au xénon liquide pour l'imagerie médicale
... Les photodétecteurs gazeux sont apparus dans les années 1970 et ont permis très rapidement d’imaginer la réalisation de grands volumes de détection à des coûts raisonnables et d’obtenir de bonnes résolutions spatiales et ...
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(b, c)-INVERSE, INVERSE ALONG AN ELEMENT, AND THE SCHUTZENBERGER CATEGORY OF A SEMIGROUP
... Theorem 1.3 ([10, Theorem 3]). Let a, b ∈ S. Then ab ∈ R a ∩ L b (ab is a trace product) iff R b ∩ L a contains an idempotent. As ab is a trace product iff a −→ b is invertible and R ab b ∩ L a contains an idempotent iff ...
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First electron beam polarization measurements with a Compton polarimeter at Jefferson Laboratory
... the Compton polarimeter provides a relative monitoring of the polar- ization with an error of 2% due to the absence of corre- lations between consecutive runs in the systematic errors associated with the photon ...
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Probing the proton structure through deep virtual Compton scattering at COMPASS, CERN
... 1 T H E S T R U C T U R E O F H A D R O N S 1.1 t h e pa r t o n i c s t r u c t u r e o f h a d r o n s The first indication pointing towards the structural complexity of hadrons have been brought by electron-proton ...
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Student Sliced Inverse Regression
... 6. Conclusion and future work We proposed a new approach referred to as Student SIR to robustify SIR. In contrast to most existing approaches which aim at replacing the standard SIR estimators by robust versions, we ...
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