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Related papers: Small-x Evolution in the Next-to-Leading Order

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We compute next-to-leading order (NLO) corrections to next-to-eikonal (NEik) quark background contributions to DIS structure functions. Among NEik corrections, $t$-channel quark exchanges provide the lowest order contributions in…

High Energy Physics - Phenomenology · Physics 2025-12-19 Tolga Altinoluk , Guillaume Beuf , Jules Favrel , Michael Fucilla

The contribution of quarks with masses m >> Lambda_QCD is the only part of the structure functions in deep-inelastic scattering (DIS) which is not yet known at the next-to-next-to-leading order (NNLO) of perturbative QCD. We present…

High Energy Physics - Phenomenology · Physics 2016-08-09 H. Kawamura , N. A. Lo Presti , S. Moch , A. Vogt

We explore the subleading-N_c corrections to the large-N_c Balitsky-Kovchegov (BK) evolution equation by comparing its solution to that of the all-N_c Jalilian-Marian-Iancu-McLerran-Weigert-Leonidov-Kovner (JIMWLK) equation. In earlier…

High Energy Physics - Phenomenology · Physics 2009-11-19 Yuri V. Kovchegov , Janne Kuokkanen , Kari Rummukainen , Heribert Weigert

We present a next-to-leading order (NLO) QCD corrections to $B_c\to \eta_c$ and $B_c\to J/\psi$ tensor form factors within nonrelativistic QCD (NRQCD) framework. The full analytical results for $B_c$ to S-wave charmonium tensor form factors…

High Energy Physics - Phenomenology · Physics 2022-06-29 Wei Tao , Zhen-Jun Xiao , Ruilin Zhu

We perform the first dipole picture fit to HERA inclusive cross section data using the full next-to-leading order (NLO) impact factor combined with an improved Balitsky-Kovchegov evolution including the dominant effects beyond leading…

High Energy Physics - Phenomenology · Physics 2020-11-04 G. Beuf , H. Hänninen , T. Lappi , H. Mäntysaari

Within NRQCD factorization framework, in this work we compute, at the lowest order in velocity expansion, the next-to-leading-order (NLO) perturbative corrections to the short-distance coefficients associated with heavy quark fragmentation…

High Energy Physics - Phenomenology · Physics 2021-07-28 Feng Feng , Yu Jia , Wen-Long Sang

We compute the next-to-next-to-leading order QCD corrections for Standard Model Higgs boson pair production inclusive cross section at hadron colliders within the large top-mass approximation. We provide numerical results for the LHC,…

High Energy Physics - Phenomenology · Physics 2013-12-24 Daniel de Florian , Javier Mazzitelli

We present a complete, next-to-leading-order (NLO), leading-twist QCD analysis of deeply virtual Compton scattering (DVCS) observables, in the ${\bar {MS}}$ scheme, and in the kinematic ranges of the H1, ZEUS and HERMES experiments. We use…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Freund , M. F. McDermott

I review the calculation of the next-to-leading order behavior of high-energy amplitudes in N=4 SYM and QCD using the operator expansion in Wilson lines.

High Energy Physics - Phenomenology · Physics 2015-03-13 Ian Balitsky

Considering the Balitsky-Kovchegov QCD evolution equation in full momentum space, we derive the travelling wave solutions expressing the nonlinear saturation constraints on the dipole scattering amplitude at non-zero momentum transfer. A…

High Energy Physics - Phenomenology · Physics 2007-06-12 Robi Peschanski , Cyrille Marquet , Gregory Soyez

In Ref. [1] we presented the JIMWLK Hamiltonian for high energy evolution of QCD amplitudes at the next-to-leading order accuracy in $\alpha_s$. In the present paper we provide details of our original derivation, which was not reported in…

High Energy Physics - Phenomenology · Physics 2015-06-19 Alex Kovner , Michael Lublinsky , Yair Mulian

We present numerical solutions of the $Q^2$ evolution equations at next-to-leading order (NLO) for unpolarized and polarized parton distributions, in both the flavor non-singlet and singlet channels. The numerical method is based on a…

High Energy Physics - Phenomenology · Physics 2009-10-28 T. Weigl , W. Melnitchouk

Within the Color Glass Condensate (CGC) effective field theory, we derive the next-to-leading order (NLO) cross-section for the single-jet semi-inclusive cross-section in deep inelastic scattering (DIS) at small $x$, for both longitudinally…

High Energy Physics - Phenomenology · Physics 2024-02-20 Paul Caucal , Elouan Ferrand , Farid Salazar

We compute the next-to-leading order impact factor for inclusive dijet production in deeply inelastic electron-nucleus scattering at small $x_{\rm Bj}$. Our computation, performed in the framework of the Color Glass Condensate effective…

High Energy Physics - Phenomenology · Physics 2022-08-31 Paul Caucal , Farid Salazar , Raju Venugopalan

We calculate the complete next-to-leading order (NLO) QCD corrections to the $Z^0H^0$ production in association with a jet at the LHC. We study the impacts of the NLO QCD radiative corrections to the integrated and differential cross…

High Energy Physics - Phenomenology · Physics 2012-03-29 Su Ji-Juan , Guo Lei , Ma Wen-Gan , Zhang Ren-You , Ling Liu-Sheng , Han Liang

We present the calculations of the complete next-to-leading order (NLO) inclusive total cross sections for the associated production processes $pp\to \tilde{t}_i\tilde{\chi}_k^-+X$ in the Minimal Supersymmetric Standard Model at the CERN…

High Energy Physics - Phenomenology · Physics 2011-09-13 Li Gang Jin , Chong Sheng Li , Jian Jun Liu

We compute the next-to-leading correction to the scaling dimension of large-charge operators in the $3d$ critical $O(N)$ model in a double scaling limit in which both $N$ and the operator charge $Q$ are taken to be large. When $Q \gg N$ our…

High Energy Physics - Theory · Physics 2024-09-12 Nicola Andrea Dondi , Giacomo Sberveglieri

We calculate the next-to-leading-order (NLO) QCD corrections to $e^+e^-\to J/\psi g g$ via color singlet $J/\psi(^3{-0.8mm}S_1)$ at the B factories. The result shows that the cross section is enhanced to $0.373\pb$ by a K factor (NLO/LO) of…

High Energy Physics - Phenomenology · Physics 2009-06-16 Bin Gong , Jian-Xiong Wang

We construct a generalization of the JIMWLK Hamiltonian, going beyond the eikonal approximation, which governs the high-energy evolution of the scattering between a dilute projectile and a dense target with an arbitrary longitudinal extent…

High Energy Physics - Phenomenology · Physics 2015-06-19 Edmond Iancu

High energy scattering is considered within the framework of the QCD dipole model formulated as a classical branching process. Starting from Mueller's generating functional we derive the high energy evolution law for the scattering…

High Energy Physics - Phenomenology · Physics 2009-11-10 Eugene Levin , Michael Lublinsky
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