Electroweak Interactions and LEP Physics
Guido Altarelli
- 01 Jan 1990
- Vol. 223, pp 97-140
TL;DR: In this paper, a summary of the Glashow-Weinberg-Salam theory of electroweak interactions is given, followed by an outlook on LEP physics and the Higgs sector.
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Abstract: These lectures on electroweak interactions start with a summary of the Glashow-Weinberg-Salam theory [1] and then cover more advanced subjects of present interest in phenomenology: the Higgs sector and the open problem of the experimental investigation on the origin of the Fermi scale of mass G F -1/2 ; the experimental tests of the theory; and finally, an outlook on LEP physics.
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References
Partial Symmetries of Weak Interactions
TL;DR: In this paper, the weak and electromagnetic interactions of leptons are examined under the hypothesis that the weak interactions are mediated by vector bosons, and it is shown that the simplest partially-symmetric model reproducing the observed electromagnetic and weak interactions requires the existence of at least four vector-boson fields (including the photon).
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Unitary Symmetry and Leptonic Decays
TL;DR: In this article, an analysis of leptonic decays based on unitary symmetry for strong interactions and the V-A theory for weak interactions is presented, and an explanation for the observed predominance of the LAMBDA yields + e/sup -/ + nu decay over the lamBDA /sup −/ yields n + e /sup + n decay.
Broken Symmetry and the Mass of Gauge Vector Mesons
F. Englert,Robert Brout +1 more
TL;DR: In this paper, it was shown that in certain cases vector mesons do indeed acquire mass when the vacuum is degenerate with respect to a compact Lie group, and that strong interaction physics originates from massive gauge fields related to a system of conserved currents.
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Axial vector vertex in spinor electrodynamics
TL;DR: In this article, the axial-vector vertex in spinor electrodynamics has anomalous properties which differ with those found by the formal manipulation of field equations, and the divergence of axial vector current is not the usual expression calculated from the field equations.
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