# Journal of High Energy Physics

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-41

*W*boson as a test case, we assess the impact of dimension-8 operators within the context of the Standard Model Effective Field Theory. Dimension-8-SM-interference and dimension-6-squared terms appear at the same order in an expansion in 1

*/*Λ, hence dimension-8 effects can be treated as a systematic uncertainty on the new physics...

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-28

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-40

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-14

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-21

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-16

*N*with non-zero inverse temperature. Using this exact result, we confirm numerically that the slope of ramp exhibits a semi-circle law as a function of time.

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-15

*N*|2) supersymmetry group are studied. We first consider the

*N*= 4 case and construct the models with

*κ*-symmetry on the coset spaces of the OSp(

*N*|2) supergroup. In addition, within the canonical formalism we present an OSp(4|2) superparticle model with semi-dynamical angular variables. For generic

*N*we construct a superparticle model on

*AdS*

_{2}×

*S*

^{N −1}with the...

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-39

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-48

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-21

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-46

*G*(2

*, n*) as it controls both general MHV leading singularities and CHY integrands for a variety of theories. This commutative...

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-89

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-48

*.*9 fb

^{−1}. No deviations from the predictions of the standard model are observed. The results are interpreted...

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-53

*minimally unbalanced*3

*d*N = 4 $$ \mathcal{N}=4 $$ quiver gauge theories. These gauge theories are important because the isometry group

*G*of their Coulomb branch contains a single factor, which is either a classical or an exceptional Lie group. Concurrently, this provides a classification of hyperkähler cones with isometry group

*G*which are obtainable...

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-15

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-16

*d*

_{F}

^{abcd})

^{2}to the massless non-singlet quark form factor. The computation involves non-trivial non-planar integral families which have master integrals in the top sector. We compute the master integrals by introducing a second mass scale and solving differential equations with respect to the ratio of the two scales...

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-22

*L*= 2 like-sign dilepton production and find that lepton colliders...

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-18

*V*

_{cb}relies on the Heavy-Quark Expansion and the extraction of the non-perturbative matrix elements from inclusive

*b*→

*c*decays. The proliferation of these matrix elements complicates their extraction at 1/

*m*

_{b}

^{4}and higher, thereby limiting the

*V*

_{cb}extraction. Reparametrization invariance links different operators in the Heavy-Quark expansion thus reducing the number of...

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-50

Journal of High Energy Physics > 2019 > 2019 > 2 > 1-57

*d FT*[SU(

*N*)] theory, a close relative of the

*T*[SU(

*N*)] quiver tail. We first map the partition functions of

*FT*[SU(

*N*)] and its 3

*d*spectral dual to a pair of spectral dual

*q*-Toda conformal blocks. Then we show how to obtain the

*FT*[SU(

*N*)] partition function by Higgsing a 5

*d*linear quiver gauge theory, or equivalently from the refined topological string...