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18 papers · 1 filter
Real and complex connections for canonical gravity
Giorgio Immirzi
Both real and complex connections have been used for canonical gravity: the complex connection has SL(2,C) as gauge group, while the real connection has SU(2) as gauge group. We sh…
Sparticle and Higgs masses within minimal string unification
Shaaban Khalil, Antonio Masiero, Qaisar Shafi
We consider the sparticle and higgs spectroscopy in a class of superstring inspired models in which the string threshold corrections ensure the consistency of the string unificatio…
G/G models as the strong coupling limit of topologically massive gauge theory
G. Grignani, G. Semenoff, P. Sodano +1
We show that the problem of computing the vacuum expectation values of gauge invariant operators in the strong coupling limit of topologically massive gauge theory is equivalent to…
First Measurement of the Left-Right Charge Asymmetry in Hadronic Z Boson Decays and a New Determination of sin^2(theta_eff)
SLD Collaboration, K. Abe, I. Abt
We present the first measurement of the left-right charge asymmetry A_Q^{obs} in hadronic Z boson decays. This was performed at E_cm = 91.27 GeV with the SLD at the SLAC Linear Col…
The Beauty of SUSY
A. Masiero, L. Silvestrini
B physics represents a privileged place to look for supersymmetry (SUSY) through its virtual effects. Here we discuss rare B decays (, , …
Chiral-Odd Structure Function h_1^D(x) and Tensor Charge of the Deuteron
A. Yu. Umnikov, Han-xin He, F. C. Khanna
The chiral-odd structure function h_{1}^D(x) and the tensor charge of the deuteron are studied within the Bethe-Salpeter formalism for the deuteron amplitude. Utilizing a simple mo…