Results 31 to 40 of about 88,365 (215)

Measurements of Zγ+jets differential cross sections in pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

open access: yesJournal of High Energy Physics, 2023
Differential cross-section measurements of Zγ production in association with hadronic jets are presented, using the full 139 fb −1 dataset of s $$ \sqrt{s} $$ = 13 TeV proton–proton collisions collected by the ATLAS detector during Run 2 of the LHC ...
The ATLAS collaboration   +2935 more
doaj   +1 more source

Electromagnetic corrections to hadron-hadron scattering

open access: yesNuclear Physics B, 1974
Abstract We use S -matrix methods to determine the electromagnetic corrections to relativistic hadron scattering. The infrared divergences associated with soft photon emission and with the Coulomb interaction are removed to give a finite scattering amplitude which obeys crossing and has the usual analytic structure. An approximate calculation of the
B. Tromborg, J. Hamilton
openaire   +1 more source

Search for a new scalar resonance in flavour-changing neutral-current top-quark decays t → qX (q = u, c), with X → b b ¯ $$ b\overline{b} $$ , in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

open access: yesJournal of High Energy Physics, 2023
A search for flavour-changing neutral-current decays of a top quark into an up-type quark (either up or charm) and a light scalar particle X decaying into a bottom anti-bottom quark pair is presented. The search focuses on top-quark pair production where
The ATLAS collaboration   +2910 more
doaj   +1 more source

Hadron-hadron scattering at high energies [PDF]

open access: yesBrazilian Journal of Physics, 2000
We review the role of the QCD vacuum structure in the determination of the properties of states and processes occurring in the confinement regime of QCD. The vacuum correlation model of non-perturbative QCD is mentioned as a bridge between the fundamental theory and the description of the experiments.
openaire   +3 more sources

Colour distribution in hadron-hadron scattering [PDF]

open access: yesPhysics Letters B, 1979
Abstract In high p t quark-quark scattering a simple picture emerges for the colour distribution in the final state: the scattered quark of one of the incident hadrons forms a colour singlet with the spectators of the other hadron, i.e., the four fast coloured objects form two singlets. We assume that the decay of each colour single pair - apart
openaire   +1 more source

Factorization and Non-factorization in Diffractive Hard Scattering [PDF]

open access: yes, 1997
Factorization, in the sense defined for inclusive hard scattering, is discussed for diffractive hard scattering. A factorization theorem similar to its inclusive counterpart is presented for diffractive DIS. For hadron-hadron diffractive hard scattering,
Berera, Arjun
core   +2 more sources

Gravitation interaction with extra dimension and periodic structure of the hadron scattering amplitude

open access: yes, 2011
The behavior of the hadron scattering amplitude determined by the gravitation interaction of hadron at high energies with impact of the KK-modes in d-brane models of gravity is examined. The possible periodic structure of the scattering amplitude and its
Appelquist T.   +6 more
core   +1 more source

Hadron-hadron scattering at very low energies

open access: yesInternational Journal of Modern Physics: Conference Series, 2015
In this paper we study the contribution of the incoming hadrons’ polarization to the differential cross section of the hadron scattering at the ultra low energy limit. It is shown that their polarization does not have significant effect on the differential cross section of such scattering. The polarization of the outgoing hadrons is also analyzed.
C. Adamuščín   +2 more
openaire   +1 more source

Diffraction at HERA and the Confinement Problem [PDF]

open access: yes, 2000
We discuss HERA data on the high energy behavior of the total gamma*p cross section and on diffraction in deep inelastic scattering. We outline their novelty in comparison with diffraction in high energy hadron hadron scattering.
Bartels, J., Kowalski, H.
core   +2 more sources

Search for a light charged Higgs boson in t → H ± b decays, with H ± → cb, in the lepton+jets final state in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

open access: yesJournal of High Energy Physics, 2023
A search for a charged Higgs boson, H ± , produced in top-quark decays, t → H ± b, is presented. The search targets H ± decays into a bottom and a charm quark, H ± → cb. The analysis focuses on a selection enriched in top-quark pair production, where one
The ATLAS collaboration   +2901 more
doaj   +1 more source

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