Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Lech Szymanowski"'
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 2, Pp 1-58 (2024)
Abstract We calculate the cross-sections of diffractive single hadron photo- or electroproduction with large p T , on a nucleon or a nucleus in the shockwave formalism. We use the hybrid formalism mixing collinear factorization with high energy small
Externí odkaz:
https://doaj.org/article/460fdbfd2b2c4427937f5a4321bb2592
Publikováno v:
AAPPS Bulletin, Vol 33, Iss 1, Pp 1-21 (2023)
Abstract Hard exclusive reactions initiated by pion or photon beams within the near-backward kinematical regime specified by the small Mandelstam variable $$-u$$ - u can be studied to access pion-to-nucleon and photon-to-nucleon transition distributi
Externí odkaz:
https://doaj.org/article/4007b797837043fdad7eeafb1a49ba2f
Autor:
Goran Duplančić, Saad Nabeebaccus, Kornelija Passek-Kumerički, Bernard Pire, Lech Szymanowski, Samuel Wallon
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 3, Pp 1-60 (2023)
Abstract We compute the exclusive photoproduction of a γπ ± pair using the collinear factorisation framework, in the kinematic regime where the pair has a large invariant mass and the meson has a sufficiently large transverse momentum to not reson
Externí odkaz:
https://doaj.org/article/9f2363c42bce4b01860877a85e71d478
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 3, Pp 1-84 (2023)
Abstract The cross-sections of diffractive double hadron photo- or electroproduction with large p T , on a nucleon or a nucleus, are calculated to NLO accuracy. A hybrid formalism mixing collinear factorization and high energy small-x factorization,
Externí odkaz:
https://doaj.org/article/6db8402a6e1c477081b8503ea1060848
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 82, Iss 7, Pp 1-18 (2022)
Abstract The exclusive photoproduction off nucleon of a large invariant mass lepton pair in the backward region specified by the small Mandelstam variable $$-u$$ - u is discussed in the framework of collinear QCD factorization. The amplitude is facto
Externí odkaz:
https://doaj.org/article/e9866166c03040f899393548591713e7
Autor:
Lech Szymanowski, Jian Zhou
Publikováno v:
Physics Letters B, Vol 760, Iss C, Pp 249-253 (2016)
In this short note, we report a di-quark model calculation for the spin dependent odderon and demonstrate that the asymmetrical color source distribution in the transverse plane of a transversely polarized hadron plays an essential role in yielding t
Externí odkaz:
https://doaj.org/article/8c0e50cb110840a7b4ab7178887122bd
Publikováno v:
SciPost Physics Proceedings, Iss 8, p 078 (2022)
We calculate large mass diphoton exclusive photoproduction in the framework of collinear QCD factorization at next to leading order in {\alpha}s and at leading twist. Collinear divergences of the coefficient function are absorbed by the evolution
Externí odkaz:
https://doaj.org/article/d098d41372194ddeaa9e7662d1f9ad61
Autor:
Goran Duplančić, Saad Nabeebaccus, Kornelija Passek-Kumerički, Bernard Pire, Lech Szymanowski, Samuel Wallon
Publikováno v:
Physical Review
We extend our studies of a new class of 2→3 exclusive processes using the collinear factorization framework by considering the exclusive photoproduction of a γρ pair, in the kinematics where the pair has a large invariant mass, and the outgoing
Publikováno v:
Physical Review
Physical Review D
Physical Review D
We calculate the amplitude for exclusive electroweak production of a pseudoscalar $D_s$ or a vector $D^*_s$ charmed strange meson on an unpolarized nucleon, through a charged current, in leading order in $\alpha_s$. We work in the framework of the co
Publikováno v:
Physical Review
Physical Review D
PHYSICAL REVIEW D
Physical Review D
PHYSICAL REVIEW D
The diffractive electro- or photo-production of two mesons separated by a large rapidity gap gives access to generalized parton distributions (GPDs) in a very specific way. First, these reactions allow to easily access the chiral-odd transversity qua