Unified Gauge Theories of Hadrons and Leptons
نویسندگان
چکیده
منابع مشابه
Unified Interactions of Leptons and Hadrons*
It is suggested that a unifying description of leptons and hadrons can be obtained within a nonabelian gauge theory where the gauge group is a symmetry group of a set of massless elementary fermions (leptons, quarks). We investigate the consequences of such an approach for the strong, electromagnetic, and weak interactions. We study both gauge theories with and without fermion number conservati...
متن کاملSpontaneously Broken Gauge Theories of Weak Interactions and Heavy Leptons
Branching ratios and production cross sections are calculated for the heavy leptons which occur in a class of spontaneously broken gauge theories of weak interactions. Several examples of such theories are constructed. (Submitted to Phys. Rev. ) * Supported by the U. S. Atomic Energy Commission. t Address after August 15, 1972: CERN, Geneva, Switzerland.
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We are really measuring the sum of the cross sections vpver+Em and ppvpm. ln, l ~ 0, but since our neutrino spectrum peaks at 500 MeV/c and is down by an order of magnitude by 1500 MeV/c, we expect the contribution of the final states with additional m. 's to be very small. J. Campbell et al. , Phys. Bev. Lett. 30, 385 (1973). More details of the experiment are given by S. J. Barish, Argonne Na...
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The production of charm and beauty quarks in γγ collisions at LEP, ep collisions at HERA and p¯ p collisions at the Tevatron is discussed. The comparison with predictions of next-to-leading-order QCD and the issues it raises are detailed. In particular, the strengths and weaknesses of the measurements and predictions are discussed.
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Gauge-Yukawa unified theories, and in particular those which are finite beyond the unification scale, have been extended to include a soft supersymmetry breaking (SSB) sector. In the case of the Finite Unified Theories a new solution to the condition of twoloop finiteness of the SSB parameters is found, which requires a sum rule for the relevant scalar masses. The sum rule permits violations of...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 1973
ISSN: 0556-2821
DOI: 10.1103/physrevd.7.1233