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Searches for the kinematic selection criteria for estimation of multiple parton interaction fraction in 14 TeV pp collisions are presented using the eikonalization of the cross section implemented in the Herwig++ Monte Carlo event…

高能物理 - 唯象学 · 物理学 2012-06-21 Miroslav Myska

We report on the first next-to-leading BFKL study of the cross section and azimuthal decorrellation of Mueller Navelet jets. This includes next-to-leading corrections to the Green's function as well as next-to-leading corrections to the…

高能物理 - 唯象学 · 物理学 2011-10-07 D. Colferai , F. Schwennsen , L. Szymanowski , S. Wallon

We examine the contribution of Multiple Parton Interactions to Z+n-jets production at the LHC, n=2,3,4, where the Z boson is assumed to decay leptonically. We compare the results obtained with the correlated GS09 double parton distribution…

高能物理 - 唯象学 · 物理学 2015-03-17 Ezio Maina

We recalculate, completely within the original BFKL approach and at the next-to-leading order, the jet vertex relevant for the production of Mueller-Navelet jets in proton collisions and of forward jets in DIS. We consider both processes…

高能物理 - 唯象学 · 物理学 2015-06-03 F. Caporale , D. Yu. Ivanov , B. Murdaca , A. Papa , A. Perri

We perform a BFKL-NLL analysis of forward jet production at HERA which leads to a good description of data over the full kinematical domain. We also predict the azimuthal angle dependence of Mueller-Navelet jet production at the Tevatron…

高能物理 - 唯象学 · 物理学 2007-06-14 C. Royon

We consider the simultaneous production of two heavy-flavoured hadrons - particularly D mesons - at the LHC. We base our calculations on collinearly factorized QCD at next-to-leading order, using the contemporary parton distribution…

高能物理 - 唯象学 · 物理学 2020-01-08 Ilkka Helenius , Hannu Paukkunen

Double parton scattering, i.e. two parton hard scattering processes in the same hadron-hadron collision, may constitute an important background for Higgs and other new particle searches at the LHC. We point out that like-sign W pair…

高能物理 - 唯象学 · 物理学 2011-03-23 Anna Kulesza , W. James Stirling

For the first time, a next-to-leading BFKL study of the cross section and azimuthal decorrellation of Mueller Navelet jets is performed, i.e. including next-to-leading corrections to the Green's function as well as next-to-leading…

高能物理 - 唯象学 · 物理学 2011-04-22 D. Colferai , F. Schwennsen , L. Szymanowski , S. Wallon

We argue that the production of Mueller-Navelet jets at the LHC represents a convenient environment to study gluon saturation and high energy scattering in the presence of unitarity corrections. We show that, in a suitable range of…

高能物理 - 唯象学 · 物理学 2008-11-26 E. Iancu , M. S. Kugeratski , D. N. Triantafyllopoulos

We critically (re)examine the associated production process of a $J/\psi$ meson plus an open charm hadron at the LHC in the proton-proton ($pp$) and proton-lead ($p{\rm Pb}$) collisions. Such a process is very intriguing in the sense of…

高能物理 - 唯象学 · 物理学 2020-08-26 Hua-Sheng Shao

Double parton scattering (DPS) describes two colliding hadrons having interactions in the form of two hard processes, each initiated by a separate pair of partons. Just as for single parton scattering, the resummation of soft gluon exchange…

高能物理 - 唯象学 · 物理学 2017-07-05 M. G. A. Buffing

We describe two different important measurements to be performed at the LHC. The Mueller Navelet jet and jet gap jet cross section represent a test of BFKL dynamics and we perform a NLL calculation of these processes and compare it with…

高能物理 - 唯象学 · 物理学 2010-09-23 C. Royon

The effects of double hard interactions are no longer negligible at energy scales reached at the LHC. Double parton scattering (DPS) processes are often described by taking the product of two single parton scattering processes assuming that…

高能物理 - 格点 · 物理学 2019-08-13 Christian Zimmermann

The production of weak gauge bosons in association with heavy flavored mesons at the LHCb conditions is considered, and a detailed study of the different contributing processes is presented including single (SPS) and double (DPS) parton…

高能物理 - 唯象学 · 物理学 2016-06-10 S. P. Baranov , A. V. Lipatov , M. A. Malyshev , A. M. Snigirev , N. P. Zotov

In this paper, we address double parton scattering (DPS) in pA collisions. Within the Light-Front approach, we formally derive the two contributions to the nuclear double parton distribution (DPD), namely: DPS1, involving two partons from…

The production of a pair of jets with large rapidity separation in hadron-hadron collisions, and of forward jets in deep inelastic scattering, can in principle be used to test the predictions of the BFKL equation. However in practice…

高能物理 - 唯象学 · 物理学 2007-05-23 Lynne H. Orr , W. J. Stirling

We present a preliminary study of both Single and Double Parton Scattering contributions to the inclusive 4-jet production in the kt-factorization framework at Leading Order and $E_{CM} = 7$ TeV. We compare our results to collinear results…

高能物理 - 唯象学 · 物理学 2016-08-24 Mirko Serino

Associated production of charged gauge bosons and charged charmed mesons at the LHC is considered in the framework of $k_T$-factorization approach. Theoretical predictions are compared with ATLAS data, and reasonably good agreement is…

高能物理 - 唯象学 · 物理学 2015-05-20 S. P. Baranov , A. V. Lipatov , M. A. Malyshev , A. M. Snigirev , N. P. Zotov

In double parton scattering (DPS), two partonic collisions take place between one pair of colliding hadrons. The effect of DPS can be significant for precision measurements due to the additional radiation from secondary partonic collisions,…

高能物理 - 唯象学 · 物理学 2024-02-06 Max Jaarsma , Rudi Rahn , Wouter J. Waalewijn

We study jet physics in the high energy regime of QCD. Based on the NLO BFKL equation, we construct a vertex for the production of a jet at central rapidity in k_T-factorization. A jet algorithm is introduced, and we take special care of…

高能物理 - 唯象学 · 物理学 2007-05-23 Florian Schwennsen