# Journal of High Energy Physics

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-39

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-36

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-25

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-22

_{ b }→ Λℓ

^{+}ℓ

^{−}transition in universal extra dimension model in the presence of a single universal extra dimension called the Applequist-Cheng-Dobrescu model. In particular, we analyze some related observables like branching ratio, forward-backward asymmetry, double lepton polarization...

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-18

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-17

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-19

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-79

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-67

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-9

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-26

*d*CFT with left and right central charges

*c*

_{ L }and

*c*

_{ R }, implies that the density of states in a microcanonical ensemble, at excitations Δ and and in the saddle point approximation, is $ {\rho_0}\left( {\Delta, \bar{\Delta };{c_L},{c_R}} \right) = {c_L}\exp \left( {2\pi \sqrt...

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-19

*s*and

*t*and of the heavy-quark mass

*m*. Our findings agree with previous analytic results in the small-mass limit and with recent results for the coefficients...

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-45

*n*-particle N

^{ k−2}MHV scattering amplitudes in $$ \mathcal{N} = 4 $$ SYM to a simple contour integral over the Grassmannian

*G*(

*k, n*) makes all the symmetries of the theory manifest. Every residue is individually Yangian invariant, but does not have a local space-time interpretation — only a special sum over residues gives physical...

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-40

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-18

_{2}needed to perform any 1-loop calculation in the Electroweak Standard Model. Our formulae are given both in the

*R*

_{ξ}gauge and in the Unitary gauge, therefore completing the results in the ’t Hooft-Feynman gauge already presented in a previous publication. As a consistency check, we verified, in the case of the process...

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-40

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-25

_{2}), and its chiral cousin, the NJL

_{2}model, have shown that there are phases with inhomogeneous crystalline condensates. These (static) condensates can be found analytically because the relevant Hartree-Fock and gap equations can be reduced to the nonlinear Schrödinger equation, whose deformations are governed by the mKdV...

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-30

*X*

^{±}CFT. We show that the

*X*

^{±}CFT combined with the super-reparametrization ghost system can be described by free variables. It is possible to express the correlation...

Journal of High Energy Physics > 2011 > 2011 > 1 > 1-57

*all*the bulk moduli, we obtain the 4D low energy effective action for the compactification, which has contributions from various, computable, perturbative and non-perturbative effects. Hidden sector gaugino condensation...