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Akademický článek
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Publikováno v:
Phys.Rev. D72 (2005) 034019
We compute the tree level cross section for gluon-gluon elastic scattering taking into account a dynamical gluon mass, and show that this mass scale is a natural regulator for this subprocess cross section. Using an eikonal approach in order to exami
Externí odkaz:
http://arxiv.org/abs/hep-ph/0507057
Publikováno v:
Eur.Phys.J. C39 (2005) 359-376
By means of empirical fits to the differential cross section data on pp and p(bar)p elastic scattering, above 10 GeV (center-of-mass energy), we determine the eikonal in the momentum - transfer space (q^2- space). We make use of a numerical method an
Externí odkaz:
http://arxiv.org/abs/hep-ph/0312243
Autor:
Martini, A. F., Menon, M. J.
Publikováno v:
Phys.Lett. B570 (2003) 53-58
Making use of the Stochastic Vacuum Model and the gluon gauge-invariant two-point correlation function, determined by numerical simulation on the lattice in both quenched approximation and full QCD, we calculate the elementary (quark-quark) scatterin
Externí odkaz:
http://arxiv.org/abs/hep-ph/0307067
Autor:
Martini, A. F., Predazzi, E.
Publikováno v:
Phys.Rev. D66 (2002) 034029
We analyze the diffractive (Pomeron) contribution to pp spin-flip amplitude and discuss the possible scenarios for energies available at the Relativistic Heavy-Ion Collider (RHIC). In particular, we show that RHIC data will be instrumental in assessi
Externí odkaz:
http://arxiv.org/abs/hep-ph/0209027
Autor:
Martini, A. F., Predazzi, E.
We argue that diffraction (Pomeron) contribution is present in the pp spin-flip amplitude. RHIC polarization will be able to prove (or disprove) this conjecture.
Comment: 11 pages, 11 Encapsulated Postscript files, LaTeX2e used. Submitted to The
Comment: 11 pages, 11 Encapsulated Postscript files, LaTeX2e used. Submitted to The
Externí odkaz:
http://arxiv.org/abs/hep-ph/0104061
Autor:
Martini, A. F., Predazzi, E.
The pp polarization data confirm the presence of a diffractive-like (Pomeron) contribution in the spin-flip amplitude. The extrapolation to RHIC energies does not appear very promising.
Comment: 11 pages, 11 Encapsulated Postscript files, LaTeX2
Comment: 11 pages, 11 Encapsulated Postscript files, LaTeX2
Externí odkaz:
http://arxiv.org/abs/hep-ph/0012016
Publikováno v:
Phys.Rev. D59 (1999) 116006
We discuss the evaluation of the real part of the elementary amplitudes in the context of a multiple diffraction model for $pp$ elastic scattering earlier developed. The framework is based on the concepts of analyticity and polynomial boundedness, an
Externí odkaz:
http://arxiv.org/abs/hep-ph/9810498
Akademický článek
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Publikováno v:
Phys.Rev. D57 (1998) 3026-3035
Making use of the gluon gauge-invariant two-point correlation function, recently determined by numerical simulation on the lattice in the quenched approximation and the stochastic vacuum model, we calculate the elementary (parton-parton) amplitudes i
Externí odkaz:
http://arxiv.org/abs/hep-ph/9707353