Results 11 to 20 of about 85,529 (240)

Colour distribution in hadron-hadron scattering [PDF]

open access: greenPhysics 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
Ferenc Niedermayer
openaire   +3 more sources

Fixed-Angle Elastic Hadron Scattering [PDF]

open access: green, 1999
The scattering amplitude in the dual model with Mandelstam analyticity and trajectory $\alpha (s)=\alpha_{0}-\gamma \ln [ (1+\beta \sqrt{s_{0} -s})/(1+ \beta \sqrt{s_{0}})]$ is studied in the limit $s,|t|\to \infty, s/t=const.$ By using the saddle point ...
A. Duncan   +27 more
core   +6 more sources

Saturation of optimality limits in hadron-hadron scatterings

open access: green, 2003
In this paper the optimal unitarity lower bound on logarithmic slope of the diffraction peak is investigated. It is shown that the unitarity lower bound is just the optimal logarithmic slopes predicted by the principle of least distance in space of states.
Ion, D. B., Ion, M. L.
openaire   +4 more sources

Probing charmonium-like XYZ states in hadron–hadron ultraperipheral collisions and electron–proton scattering

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
Exclusive production of charmonium-like XYZ states in hadron–hadron ultraperipheral collisions (UPCs) and electron–proton scattering are studied employing the effective Lagrangian method. Total cross sections and rapidity distributions of charmonium-like
Ya-Ping Xie, Xiao-Yun Wang, Xurong Chen
doaj   +1 more source

Search for dark photons from Higgs boson decays via ZH production with a photon plus missing transverse momentum signature from pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

open access: yesJournal of High Energy Physics, 2023
This paper describes a search for dark photons (γ d ) in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV at the Large Hadron Collider (LHC).
The ATLAS collaboration   +2941 more
doaj   +1 more source

Search for neutral long-lived particles in pp collisions at s $$ \sqrt{s} $$ = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter

open access: yesJournal of High Energy Physics, 2022
A search for decays of pair-produced neutral long-lived particles (LLPs) is presented using 139 fb −1 of proton-proton collision data collected by the ATLAS detector at the LHC in 2015–2018 at a centre-of-mass energy of 13 TeV.
The ATLAS collaboration   +2867 more
doaj   +1 more source

Prompt and non-prompt J/ψ production cross sections at midrapidity in proton-proton collisions at s $$ \sqrt{\mathrm{s}} $$ = 5.02 and 13 TeV

open access: yesJournal of High Energy Physics, 2022
The production of J/ψ is measured at midrapidity (|y| < 0.9) in proton-proton collisions at s $$ \sqrt{s} $$ = 5.02 and 13 TeV, through the dielectron decay channel, using the ALICE detector at the Large Hadron Collider.
The ALICE collaboration   +1026 more
doaj   +1 more source

Forward rapidity J/ψ production as a function of charged-particle multiplicity in pp collisions at s $$ \sqrt{s} $$ = 5.02 and 13 TeV

open access: yesJournal of High Energy Physics, 2022
The production of J/ψ is measured as a function of charged-particle multiplicity at forward rapidity in proton-proton (pp) collisions at center-of-mass energies s $$ \sqrt{s} $$ = 5.02 and 13 TeV.
The ALICE collaboration   +1026 more
doaj   +1 more source

Producing and detecting long-lived particles at different experiments at the LHC

open access: yesJournal of High Energy Physics, 2022
We propose a new strategy to look for long-lived particles (LLP) at the LHC. The LLPs are produced at one experiment, but its decay products are detected by a detector at another experiment.
Chaochen Yuan   +3 more
doaj   +1 more source

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