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CERN Document Server Znaleziono 2,022 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.25 sekund. 
1.
(100)
Benchmark of deep-inelastic-scattering structure functions at $\mathcal {O}\left( \alpha _s ^3\right) $ / Bertone, Valerio (IRFU, Saclay) ; Karlberg, Alexander (CERN)
We present a benchmark comparison of the massless inclusive deep-inelastic-scattering (DIS) structure functions up to $\mathcal{O}(\alpha_s^3)$ in perturbative QCD. The comparison is performed using the codes APFEL++ and HOPPET within the framework of the variable-flavour-number scheme and over a broad kinematic range relevant to the extraction of parton distribution functions. [...]
arXiv:2404.15711; CERN-TH-2024-018.- 2024-08-04 - 18 p. - Published in : Eur. Phys. J. C 84 (2024) 774 Fulltext: document - PDF; 2404.15711 - PDF;
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2.
(46)
Yadism: Yet Another Deep-Inelastic Scattering Module / Candido, Alessandro (INFN, Milan ; Milan U. ; CERN) ; Hekhorn, Felix (INFN, Milan ; Milan U. ; Jyvaskyla U. ; Helsinki U.) ; Magni, Giacomo (Vrije U., Amsterdam ; NIKHEF, Amsterdam) ; Rabemananjara, Tanjona R. (Vrije U., Amsterdam ; NIKHEF, Amsterdam) ; Stegeman, Roy (U. Edinburgh, Higgs Ctr. Theor. Phys.)
We present yadism, a library for the evaluation of both polarized and unpolarized deep-inelastic scattering (DIS) structure functions and cross sections up to N$^3$LO in perturbative QCD. The package provides computations of observables in fixed-flavor and zero-mass variable flavor number schemes. [...]
arXiv:2401.15187; CERN-TH-2024-015; Edinburgh 2024/4; Nikhef-2024-002.- 2024-07-15 - 28 p. - Published in : Eur. Phys. J. C 84 (2024) 697 Fulltext: document - PDF; 2401.15187 - PDF;
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3.
(43)
disorder: Deep inelastic scattering at high orders / Karlberg, Alexander (CERN)
We present a Fortran 77/95 code capable of computing QCD corrections in deep inelastic scattering (DIS). The code uses the Projection-to-Born method to augment an existing $\mathcal{O}(\alpha_s^2)$ dijet DIS code, thereby obtaining predictions for photon-mediated neutral-current single-jet DIS production in the laboratory frame. [...]
arXiv:2401.16964; CERN-TH-2023-229.- 2024-01-30 - 17 p. - Published in : 10.21468/SciPostPhysCodeb.32 Fulltext: PDF;
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4.
(36)
A POWHEG generator for deep inelastic scattering / Banfi, Andrea (Sussex U.) ; Ferrario Ravasio, Silvia (CERN) ; Jäger, Barbara (Tubingen U.) ; Karlberg, Alexander (CERN) ; Reichenbach, Felix (Tubingen U.) ; Zanderighi, Giulia (Munich, Max Planck Inst. ; Munich, Tech. U.)
We present a new event generator for the simulation of both neutral- and charged-current deep inelastic scattering (DIS) at next-to-leading order in QCD matched to parton showers using the POWHEG method. Our implementation builds on the existing POWHEG BOX framework originally designed for hadron-hadron collisions, supplemented by considerable extensions to account for the genuinely different kinematics inherent to lepton-hadron collisions. [...]
arXiv:2309.02127.- 2024-02-02 - 54 p.
Fulltext: document - PDF; 2309.02127 - PDF;
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5.
(30)
Event shapes in $e^{+}e^{-}$ annihilation and deep inelastic scattering / Das-Gupta, M ; Salam, Gavin P
This review examines the status of event-shape studies in e/sup +/e /sup $/annihilation and DIS. It includes discussions of perturbative calculations, of various approaches to modelling hadronization and of comparisons to data. [...]
2004 - Published in : J. Phys. G 30 (2004) R143-81
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6.
(29)
Leading baryon production in DIS and photoproduction / Wildschek, T
The production of leading protons and neutrons in deep inelastic scattering (DIS) and photoproduction has been studied by the H1 and ZEUS collaborations..
2001
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.475-7 (vol.1)
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7.
(29)
Hard interactions at high Q/sup 2/ : DIS, jets / Nania, R (Sezione di Bologna, Ist Nazionale di Fisica Nucl, Bologna, Italy)
Recent results on hard interactions at Tevatron, LEP and HERA are reviewed. The new measurements of proton structure functions, jets and event shapes allow more stringent tests of QCD..
2001
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.223-34 (vol.1)
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8.
(28)
An event generator for neutrino-induced Deep Inelastic Scattering and applications to neutrino astronomy / Ferrario Ravasio, Silvia (CERN) ; Gauld, Rhorry (Garching, Max Planck Inst.) ; Jäger, Barbara (Tubingen U.) ; Karlberg, Alexander (CERN) ; Zanderighi, Giulia (Garching, Max Planck Inst. ; Munich, Tech. U.)
We extend the recently presented, fully exclusive, next-to-leading-order accurate event generator for the simulation of massless neutral- and charged-current deep inelastic scattering (DIS) to the case of incoming neutrinos. [...]
CERN-TH-2024-091 ; MPP-2024-121 ; arXiv:2407.03894. - 16 p.
Fulltext
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9.
(24)
Parton Distributions with the Combined HERA Charm Production Cross Sections / Bertone, Valerio (Freiburg U.) ; Rojo, Juan (CERN)
Heavy quark structure functions from HERA provide a direct handle on the medium and small-x gluon PDF. In this contribution, we discuss ongoing progress on the implementation of the FONLL General-Mass scheme with running heavy quark masses, and of its benchmarking with the HOPPET and OpenQCDrad codes, and then present the impact of the recently released combined HERA charm production cross sections in the NNPDF2.3 analysis. [...]
arXiv:1212.0741.- 2013-04-16 - 4 p.
- Published in : AIP Conf. Proc.: 1523 (2012) , pp. 51-54 Fulltext: PDF; External link: Preprint
In : International Workshop on Diffraction in High-Energy Physics, Puerto del Carmen, Lanzarote, Canary Islands, Spain, 10 - 15 Sep 2012, pp.51-54
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10.
(24)
Structure, fragmentation and fracture functions / Canal-Garcia, C A ; Sassot, R
We address the partonic description of the proton, the photon and the "color singlet, " as seen in inclusive and semi-inclusive DIS, in e /sup +/e/sup $/collisions, and in diffractive processes, respectively. Their formal treatment using structure, fragmentation, and fracture functions is outlined giving an insight into the perturbative QCD framework for these functions. [...]
2000 - Published in : Int. J. Mod. Phys. A 15 (2000) 3587-633
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