DIS with KaTie

Hameren, A. van

doi:10.22323/1.352.0139

Cited by 2 publications

(2 citation statements)

References 21 publications

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“…Computational tools are being developed to address the structure of multijet final states by including low-x dynamic effects. These include CCFM MC tools [288,289], off-shell matrixelement parton-level generators [290,291], and BFKL MC generators [292][293][294]. Figure 44 gives an example of transverse momentum correlations in DIS at small Q 2 , where the electron is scattered in the backward region near the beam axis [288], compared with the measurements [295].…”

Section: Associated Jet Final States At Low Xmentioning

confidence: 99%

The Large Hadron–Electron Collider at the HL-LHC

Agostini

Aksakal

Alekhin

et al. 2021

J. Phys. G: Nucl. Part. Phys.

146

137

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The Large Hadron–Electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting energy-recovery technology, it collides a novel, intense electron beam with a proton or ion beam from the High-Luminosity Large Hadron Collider (HL-LHC). The accelerator and interaction region are designed for concurrent electron–proton and proton–proton operations. This report represents an update to the LHeC’s conceptual design report (CDR), published in 2012. It comprises new results on the parton structure of the proton and heavier nuclei, QCD dynamics, and electroweak and top-quark physics. It is shown how the LHeC will open a new chapter of nuclear particle physics by extending the accessible kinematic range of lepton–nucleus scattering by several orders of magnitude. Due to its enhanced luminosity and large energy and the cleanliness of the final hadronic states, the LHeC has a strong Higgs physics programme and its own discovery potential for new physics. Building on the 2012 CDR, this report contains a detailed updated design for the energy-recovery electron linac (ERL), including a new lattice, magnet and superconducting radio-frequency technology, and further components. Challenges of energy recovery are described, and the lower-energy, high-current, three-turn ERL facility, PERLE at Orsay, is presented, which uses the LHeC characteristics serving as a development facility for the design and operation of the LHeC. An updated detector design is presented corresponding to the acceptance, resolution, and calibration goals that arise from the Higgs and parton-density-function physics programmes. This paper also presents novel results for the Future Circular Collider in electron–hadron (FCC-eh) mode, which utilises the same ERL technology to further extend the reach of DIS to even higher centre-of-mass energies.

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Section: Associated Jet Final States At Low Xmentioning

confidence: 99%

The Large Hadron–Electron Collider at the HL-LHC

Agostini

Aksakal

Alekhin

et al. 2021

J. Phys. G: Nucl. Part. Phys.

146

137

View full text Add to dashboard Cite

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“…Recently, the KaTie generator is extended its application to the electron(positron)proton (ep) collision [35]. Therefore, for the first time we calculated the inclusive dijet production differential cross sections in the k t -factorization framework and compared our results to those of ZEUS collaboration data [36,37].…”

Section: Introductionmentioning

confidence: 99%

A validity check of the KATIE parton level event generator in the $k_t$-factorization and collinear frameworks

Valeshabadi,

Modarres,

Rezaie

2021

Preprint

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In the present paper, we check and study the validity of the KaTie parton level event generator, by calculating the inclusive electron-proton (ep) dijet and the Proton-proton (p-p) Drell-Yan electron-pair productions differential cross sections in the k t -and collinear factorization frameworks. The Martin-Ryskin-Watt (MRW) unintegrated parton distribution functions (UPDFs) are used as the input UPDFs. The results are compared with those of ZEUS ep inclusive dijet and ATLAS p-p Drell-Yan electron-pair productions, experimental data. The KaTie parton level event generator can directly calculate the cross sections in the k t -factorization framework. It is noticed that the lab to the Breit transformation in this generator is not correctly implemented by its author, so the produced output does not cover the ep ZEUS experimental data in which the mentioned transformation is applied. By fixing the above transformation in the KaTie generator code, we could appropriately produce the ep inclusive dijet differential cross section, in comparison with those of ZEUS data. It is also shown that the MRW at the NLO level, with the angular ordering constraint can successfully predict the ATLAS p-p Drell-Yan data. Finally, as it is expected, we conclude that the k t -factorization is an appropriate tool for the small longitudinal parton momenta and high center of mass energies, with respect to the collinear one.

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DIS with KaTie

Abstract: KaTie is a parton-level event generator that allows for the use of factorization prescriptions requiring space-like initial-state partons. Some updates are presented, in particular its application to DIS.

Cited by 2 publications

References 21 publications

The Large Hadron–Electron Collider at the HL-LHC

The Large Hadron–Electron Collider at the HL-LHC

A validity check of the KATIE parton level event generator in the $k_t$-factorization and collinear frameworks

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