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CERN Document Server 11 záznamov nájdených  1 - 10ďalší  skoč na záznam: Hľadanie trvalo 0.64 sekúnd. 
1.
A study on the isolated photon production in nuclear collisions at the CERN-LHC energies / Santos, G. Sampaio dos (Rio Grande do Sul U.) ; da Silveira, G. Gil (Rio Grande do Sul U., Porto Alegre (main) ; CERN) ; Machado, M.V.T. (Rio Grande do Sul U.)
An analysis of prompt photon production in high energy nuclear collisions at the LHC energy regime is performed within the parton saturation picture taking into account the updated phenomenological color dipole models. The results are confronted with the measurements made by the ALICE, ATLAS, and CMS experiments in terms of photon transverse momentum at different rapidity bins. [...]
arXiv:2011.08154.- 2022-03-11 - 17 p. - Published in : J. Phys. G 49 (2022) 045005 Fulltext: PDF;
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2.
$D$-meson production in high energy $pA$ collisions within the QCD color dipole transverse momentum representation / Santos, G. Sampaio dos (Rio Grande do Sul U.) ; da Silveira, G. Gil (Rio Grande do Sul U. ; CERN) ; Machado, M.V. T. (Rio Grande do Sul U.)
The $D$-meson production is investigated by considering the unintegrated gluon distribution within the dipole approach in the momentum representation. We analyze the $D$-meson spectrum accounting for the effects of nonlinear behavior of the QCD dynamics which can be accordingly addressed in the dipole framework. [...]
arXiv:2205.00925.- 2022-09-06 - 23 p. - Published in : Eur. Phys. J. C 82 (2022) 795 Fulltext: document - PDF; 2205.00925 - PDF;
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3.
Charmed meson production based on dipole transverse momentum representation in high energy hadron-hadron collisions available at the LHC / Sampaio dos Santos, G.  (Rio Grande do Sul U.) ; Gil da Silveira, G.  (CERN ; Rio Grande do Sul U. ; Rio de Janeiro State U.) ; Machado, M.V.T. (Rio Grande do Sul U.)
The production of $D$-mesons in high-energy $pp$ collisions at the LHC kinematic regime is analyzed with the dipole approach in the momentum representation. We present predictions for the $D$-meson differential cross section in terms of the transverse momentum and rapidity distributions taking into account the nonlinear behavior of the QCD dynamics. [...]
arXiv:2108.01562.- 2023-03-10 - 16 p. - Published in : Phys. Lett. B 838 (2023) 137667 Fulltext: 2108.01562 - PDF; Publication - PDF;
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4.
Exclusive photoproduction of $J/\psi$ and $\psi(2S)$ states in $pp$ and $AA$ collisions at the LHC / Machado, M.V.T. (Rio Grande do Sul U.)
In this contribution we report on the investigations of the exclusive production of J/psi and psi(2S) states in proton-proton and nucleus-nucleus reactions at the LHC using the theoretical framework of light-cone dipole formalism..
arXiv:1310.2995; EDSBLOIS-2013-48.- 2013 - 3 p. Fulltext: PDF; External link: Preprint
In : 15th Conference on Elastic and Diffractive Scattering, Saariselka, Lapland, Finland, 9 - 13 Sep 2013
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5.
Proceedings, Workshop on Heavy Ion Collisions at the LHC: Last Call for Predictions : Geneva, Switzerland, May 14 - June 8, 2007 Workshop on Heavy Ion Collisions at the LHC: Last Call for Predictions   14 May - 8 Jun 2007  - CERN, Geneva, Switzerland  / Armesto, N. (ed.) (Santiago de Compostela U., IGFAE ; Santiago de Compostela U.); Borghini, N. (ed.) (Bielefeld U.); Jeon, S. (ed.) (McGill U.); Wiedemann, U.A. (ed.) (CERN); Abreu, S. (Lisbon, IST); Akkelin, S.V. (BITP, Kiev); Alam, J. (Calcutta, VECC); Albacete, J.L. (Ohio State U.); Andronic, A. (Darmstadt, GSI); Antonov, D. (Heidelberg U.) et al.
This writeup is a compilation of the predictions for the forthcoming Heavy Ion Program at the Large Hadron Collider, as presented at the CERN Theory Institute 'Heavy Ion Collisions at the LHC - Last Call for Predictions', held from May 14th to June 10th 2007..
2008 - 185 p. arXiv:0711.0974 .- CERN-PH-TH-2008-032 - Published in : J. Phys. G 35 (2008) 054001
e-proceedings
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6.
Photoproduction at collider energies: from RHIC and HERA to the LHC / Baltz, A ; Baur, G ; Brodsky, S J ; D'Enterria, D G (CERN) ; Dreyer, U ; Engel, R ; Frankfurt, L ; Gorbunov, Y ; Guzey, V ; Hamilton, A et al.
We present the mini-proceedings of the workshop on "Photoproduction at collider energies: from RHIC and HERA to the LHC" held at the European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*, Trento) from January 15 to 19, 2007. [...]
hep-ph/0702212. - 2007. - 40 p.
Fulltext - Fulltext
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7.
Ultrahigh energy neutrinos and non-linear QCD dynamics / Machado, M V T (Rio Grande do Sul U. ; ICTP, Trieste ; CERN)
The ultrahigh energy neutrino-nucleon cross sections are computed taking into account different phenomenological implementations of the non-linear QCD dynamic s. Based on the color dipole framework, the results for the saturation model supplemented by DGLAP evolution as well as for the BFKL formalism in the geometric scaling regime are presented. [...]
hep-ph/0311281.- 2004 - 5 p. - Published in : Phys. Rev. D 70 (2004) 053008 APS Published version, local copy: PDF; Access to fulltext document: PDF; External link: hep-ph/0311281 PDF
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8.
QCD evolution and skewedness effects in color dipole description of DVCS / Favart, L. (Brussels U., IIHE) ; Machado, M.V.T. (Pelotas U. ; Rio Grande do Sul U. ; CERN)
We show the role played by QCD evolution and skewedness effects in the DVCS cross section at large $Q^2$ within the color dipole description of the process at photon level. The dipole cross section is given by the saturation model, which can be improved by DGLAP evolution at high photon virtualities. [...]
hep-ph/0402018; DESY-04-019; DESY-04-019; DESY-2004-019.- Hamburg : DESY, 2004 - 6 p. - Published in : Eur. Phys. J. C 34 (2004) 429-433 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ph/0402018 PDF
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9.
Charm production in diffractive deep inelastic scattering / Goncalves, V.P. (Pelotas U.) ; Machado, M.V.T. (Pelotas U. ; Rio Grande do Sul U. ; CERN)
The diffractive open charm production is computed in perturbative QCD formalism and in the Regge approach. The results are compared with recent data on charm diffractive structure function measured at DESY-HERA. [...]
hep-ph/0401104.- 2004 - 12 p. - Published in : Phys. Lett. B 588 (2004) 180-188 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ph/0401104 PDF
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10.
Aspects of the unitarized soft multipomeron approach in DIS and diffraction / Ferreiro, E.G. (Santiago de Compostela U.) ; Gay Ducati, M.B. (Rio Grande do Sul U.) ; Machado, M.V.T. (Rio Grande do Sul U.) ; Salgado, C.A. (CERN)
We study in detail the main features of the unitarized Regge model (CFKS), recently proposed to describe the small-$Q^2$ domain. It takes into account a two-component description with two types of unitarized contributions: one is the multiple Pomeron exchanges contribution, interacting with the large dipole size configurations, and the other one consists on a unitarized dipole cross section, describing the interaction with the small size dipoles. [...]
hep-ph/0205145; US-FT-20-02; US-FT-2002-02.- Santiago de Compostela : Santiago Univ. Auton. Dept. Fís. Teór., 2002 - 4 p. - Published in : , pp. 279-282 Access to fulltext document: PDF; Fulltext: arXiv:hep-ph_0205145 - PDF; Pages_from_C02-03-16_279 - PDF; External link: hep-ph/0205145 PDF
In : 37th Rencontres de Moriond, Les Arcs, France, 16 - 23 Mar 2002, pp.279-282
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CERN Document Server : 11 záznamov nájdených   1 - 10ďalší  skoč na záznam:
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5 Machado, M
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1 Machado, MVT
3 Machado, Magno
2 Machado, Magno V T
1 Machado, Marcos E
1 Machado, Martín
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