"Reportaż z modą w tle z czasów zawieruchy" Elżbiety Wittlin-Lipton
نویسندگان
چکیده
منابع مشابه
W and Z Physics
The electroweak theory elegantly combines the electromagnetic and weak forces, explaining a wide range of interactions using a gauge theory with just three parameters. The theory predicted the W and Z weak gauge bosons before they were directly observed in 1983, and its detailed predictions of W and Z boson properties have been tested to such precision that they now serve as probes for new part...
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This paper presents a logic for Object-Z which extends W, the logic for Z adopted as the basis of the deductive system in the Z Base Standard. The logic provides a basis on which tool support for reasoning about Object-Z speciications can be developed. It also formalises the intended meaning of Object-Z constructs and hence provides an abstract, axiomatic semantics of the language.
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Collider signatures containing bosons and jets are particularly interesting. Recent theoretical effort has been devoted to determining predictions of W/Z + multiple parton production; the high statistics sample of W/Z + jets events collected at the Tevatron is a valuable testbed for probing the validity of these calculations. The final state containing a Z or W boson and one or more b-jets is a...
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We demonstrate that the Standard Model amplitude for f1f̄2 → WZ at the Born-level exhibits an approximate zero located at cos θ = (g1 − + g f2 − )/(g f1 − − g2 − ) at high energies, where the g fi − (i = 1, 2) are the left-handed couplings of the Z-boson to fermions and θ is the center of mass scattering angle of the W -boson. The approximate zero is the combined result of an exact zero in the d...
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Analysis of semi-inclusive DIS hadroproduction suggests broadening of transverse momentum distributions at small x below 10−3 ∼ 10−2, which can be modeled in the Collins-SoperSterman formalism by a modification of impact parameter dependent parton densities. We investigate these consequences for the production of electroweak bosons at the Tevatron and the LHC. If substantial small-x broadening ...
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ژورنال
عنوان ژورنال: Pamiętnik Literacki
سال: 2013
ISSN: 0031-0514
DOI: 10.18318/pl.2013.2.20