# Journal of High Energy Physics

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-31

*E*

^{1/3}for large jet energies

*E*. In recent work studying jets that are created by finite-size sources in the gauge theory, we found an additional scale: the typical (as opposed to maximum) jet stopping distance scales like (

*EL*)

^{1/4}, where

*L*is...

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-14

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-19

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-16

*W*+ jets final state, produced in double parton (DP) interactions, as a background to the associated Higgs boson (

*H*) and

*W*production, with decay, at the Tevatron. We have found that the event yield from the DP background can be quite sizable, which necessitates a choice of selection criteria to separate the

*HW*and DP production processes. We...

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-33

*N*) factors. We identify a number of models which obey all known low-energy consistency conditions, but which have no known string theory realization. Many...

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-42

*N*). In the Abelian case new

*γ*

_{ v }gauge bosons can be radiated off and decay back into visible particles. In the non-Abelian...

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-18

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-23

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-29

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-52

*,*2) heterotic sigma model whose target space geometry consists of a transitive Lie algebroid with complex structure on a Kaehler manifold. We show that, under certain geometrical and topological conditions, there are two distinguished topological half-twists of the heterotic sigma model leading to

*A*and

*B*type half-topological models. Each of these models is characterized by the...

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-44

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-39

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-17

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-61

*exact*results incorporating all higher order quantum corrections in the limit when only one of the charges, representing momentum along an internal direction,...

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-27

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-41

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-14

*d*= 11 supergravity solutions with symmetry SO(6) × SO(3) ×

*R*, but generalise to allow for all fluxes consistent with the isometries. Using the Killing spinor equation, we prove there are no supersymmetric geometries with additional fluxes beyond the LLM ansatz. In addition, the LLM relationship between Killing spinors,

*ϵ*

_{−}= − γ5

*ϵ*

_{+}...

Journal of High Energy Physics > 2011 > 2011 > 4 > 1-26