Results 291 to 300 of about 1,670,847 (343)

Numerical proof-of-concept of nanofoam-based targets for proton acceleration and high-energy photon and positron generation in strong fields

open access: yes
Galbiati M   +7 more
europepmc   +1 more source

Angular dependence of symmetric hadron pair production in $\pi^{-} p$ collisions at $\sqrt{s}$ = 8.7-Gev

open access: green, 1993
А. А. Волков   +15 more
openalex   +1 more source

Pair production in transport equations

Physical Review D, 1988
In the study of quark-gluon systems using transport equations, the production of quarks and antiquarks is often introduced in the form of a source term based on the Schwinger formula for pair production in the presence of a constant (color-)electric field.
, Eisenberg, , Kalbermann
openaire   +2 more sources

Production of Electron Pairs

Nature, 1935
DIRAC's theory of electrons gives us tho possibility of calculating the production of electronic pairs by collisions between electrons and nuclei. This process may be described as a second order effect of the porturbation of plane electron waves due to the nuclear field, and to the interaction between the incident electron and the electron which ...
openaire   +2 more sources

GRAPH PRODUCTS AND CANNON PAIRS

International Journal of Algebra and Computation, 2002
A pair (G, A) consisting of a group G and a finite generating set A is a Cannon pair if the language of all geodesics in the associated Cayley graph is regular. We prove that the Cannon pair property is preserved by graph products and indicate applications of this result to the geodesic and spherical growth series of graph products.
Loeffler, Joseph   +2 more
openaire   +2 more sources

Microfluidic Production of Droplet Pairs

Langmuir, 2008
We study a microfluidic dual nozzle for the production of water-in-oil droplet pairs. Droplets are paired by the hydrodynamic coupling of two nozzles over a wide range of aqueous and oil flow rates provided that they are larger than the channel dimensions.
Frenz, Lucas   +3 more
openaire   +3 more sources

Pair production and heavy electron

Zeitschrift f�r Physik, 1966
Production of electron positron pairs is analysed with the hypothesis of the heavy electrone *. A rough agreement between theory and experiment is found if the coupling constant is suitably chosen as a function of the massm * of thee *. Comparison with upper limits for this coupling constant taken from inelastic electron proton scattering indicates ...
GUTBROD, F, Schildknecht, Dieter
openaire   +3 more sources

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