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The DIS diffractive cross section, $d\sigma^{diff}_{\gamma^* p \to XN}/dM_X$, has been measured in the mass range $M_X < 15$ GeV for $\gamma^*p$ c.m. energies $60 < W < 200$ GeV and photon virtualities $Q^2 = 7$ to 140 GeV$^2$. For fixed…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

In high energy electron-ion colliders, a new way to probe nucleon structure becomes available through diffractive reactions, where the incident particle produces a very energetic almost forward particle. QCD describes these reactions as due…

High Energy Physics - Phenomenology · Physics 2021-06-02 W. Cosyn , B. Pire

A study on the prompt photon production within the QCD color dipole picture with emphasis in $pp$ and $pA$ collisions at the LHC energy regimes is performed. We present predictions for the differential cross section as a function of photon…

High Energy Physics - Phenomenology · Physics 2020-09-29 G. Sampaio dos Santos , G. Gil da Silveira , M. V. T. Machado

I review the color dipole formulation of heavy quark production in the light of recent RHIC data. Since charm and bottom production directly probe the gluon density, these processes allow one to study shadowing and parton saturation at RHIC…

High Energy Physics - Phenomenology · Physics 2011-01-25 J. Raufeisen

A measurement is presented of diffractive dijet production in deep-inelastic scattering (DIS) interactions at HERA of the type ep-->eXY, where the X system is separated by a large rapidity gap from a low-mass leading baryonic system Y. The…

High Energy Physics - Experiment · Physics 2015-06-25 F. -P. Schilling

We discuss the single diffractive production of $c \bar c$ pairs and charmed mesons at the LHC. In addition to standard collinear approach, for a first time we propose a $k_t$-factorization approach to the diffractive processes. The…

High Energy Physics - Phenomenology · Physics 2016-10-21 Marta Łuszczak , Antoni Szczurek

We present a perturbative QCD calculation of diffractive $D_s$ production in charged current deep inelastic scattering. In the two-gluon exchange model, we analyze the diffractive process $\nu N \to \mu^- N \Ds$, which may provide useful…

High Energy Physics - Phenomenology · Physics 2009-11-07 Zhongzhi Song , Kuang-Ta Chao

We perform a NLO QCD analysis of single-diffractive dijet production in proton-antiproton collisions. By comparing the ratio of single- and non-diffractive cross sections to data from the Tevatron, the rapidity-gap survival probability is…

High Energy Physics - Phenomenology · Physics 2011-02-15 M. Klasen

The reactions gamma p -> K+ Lambda and gamma p -> K* Lambda are analyzed within perturbative QCD, allowing for diquarks as quasi-elementary constituents of baryons. The diquark-model parameters and the quark-diquark distribution amplitudes…

High Energy Physics - Phenomenology · Physics 2009-10-28 P. Kroll , M. Schuermann , K. Passek , W. Schweiger

The increasing size of the data samples recorded by the CDF and DO experiments at the Tevatron enables studies of a wide range of processes involving the electroweak bosons W and Z. Single boson production is now looked at in terms of…

High Energy Physics - Experiment · Physics 2019-08-14 Kristian Harder

We perform a global Bayesian analysis of diffractive $\mathrm{J}/\psi$ production in $\gamma+p$ and $\gamma+\mathrm{Pb}$ collisions using a color glass condensate (CGC) based calculation framework. As past calculations have shown that…

High Energy Physics - Phenomenology · Physics 2026-02-02 Heikki Mäntysaari , Hendrik Roch , Farid Salazar , Björn Schenke , Chun Shen , Wenbin Zhao

We predict the cross-section for diffractive $\phi$ electroproduction within the dipole model, using a holographic meson wavefunction for the $\phi$. For the dipole cross-section, we use the Color Glass Condensate dipole model whose…

High Energy Physics - Phenomenology · Physics 2016-07-05 Mohammad Ahmady , Ruben Sandapen , Neetika Sharma

We calculate the $W^\pm\gamma j + X$-production cross sections at next-to-leading order QCD for Tevatron and LHC collisions. We include leptonic decays of the $W$ to light leptons, with all off-shell effects taken into account. The…

High Energy Physics - Phenomenology · Physics 2009-11-17 F. Campanario , C. Englert , M. Spannowsky , D. Zeppenfeld

The cross sections for exclusive $D^+D^-$ and $D^0 \bar {D^0}$ meson pair production in peripheral nucleus - nucleus collisions are calculated and several differential distributions are presented. The calculation of the elementary $\gamma…

Nuclear Theory · Physics 2015-05-27 Marta Luszczak , Antoni Szczurek

It is argued that $W/Z$ boson production in ultra-relativistic $pp$ collisions in the fragmentation region, subject to a kinematic cut on the boson transverse momentum $Q_\perp>Q_{\perp\min}$, with 1 GeV/c$\ll Q_{\perp\min}\ll M_{W/Z}$,…

High Energy Physics - Phenomenology · Physics 2011-11-09 M. V. Bondarenco

The double diffractive Higgs production at central rapidity is formulated in terms of the fusion of two AdS gravitons/Pomerons first introduced by Brower, Polchinski, Strassler and Tan in elastic scattering. Here we propose a simple…

High Energy Physics - Phenomenology · Physics 2015-06-04 Richard C. Brower , Marko Djurić , Chung-I Tan

Cross sections for the production of a Z boson in association with jets in proton-proton collisions at a centre-of-mass energy of sqrt(s) = 8 TeV are measured using a data sample collected by the CMS experiment at the LHC corresponding to…

High Energy Physics - Experiment · Physics 2017-05-25 CMS Collaboration

Pair production of W gauge bosons is an important process at the LHC entering many experimental analyses, both as background in new-physics searches or Higgs measurements and as signal in precision studies and tests of the Standard Model.…

High Energy Physics - Phenomenology · Physics 2015-06-17 Francisco Campanario , Michael Rauch , Sebastian Sapeta

We extend the k_\perp-factorization formalism for exclusive photoproduction of vector mesons to the production of electroweak Z^0 bosons. Predictions for the gamma p \to Z^0 p and p p \to p p Z^0 reactions are given using an unintegrated…

High Energy Physics - Phenomenology · Physics 2009-10-29 A. Cisek , W. Schäfer , A. Szczurek

We present an analytic next-to-leading order QCD calculation of the partonic cross sections for single-inclusive lepton production in hadronic collisions, when the lepton originates from the decay of an intermediate electroweak boson and is…

High Energy Physics - Phenomenology · Physics 2015-06-03 Felix Ringer , Werner Vogelsang
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