Results 141 to 150 of about 197,506 (281)

Differential cross section for γd → ωd using CLAS at Jefferson Lab

open access: yesPhysics Letters B, 2018
The cross section for coherent ω-meson photoproduction off the deuteron has been measured for the first time as a function of the momentum transfer t=(Pγ−Pω)2 and photon energy Eγ using the CLAS detector at the Thomas Jefferson National Accelerator ...
T. Chetry   +111 more
doaj  

Exclusive heavy vector meson production at next-to-leading order in the dipole picture

open access: yesPhysics Letters B, 2021
We calculate exclusive production of a longitudinally polarized heavy vector meson at next-to-leading order in the dipole picture. The large quark mass allows us to separately include both the first QCD correction proportional to the coupling constant αs,
Heikki Mäntysaari, Jani Penttala
doaj  

Energy dependence of dissociative J/ψ photoproduction as a signature of gluon saturation at the LHC

open access: yesPhysics Letters B, 2017
We have developed a model in which the quantum fluctuations of the proton structure are characterised by hot spots, whose number grows with decreasing Bjorken-x.
J. Cepila   +2 more
doaj   +1 more source

Hadronic vacuum polarization and vector-meson resonance parameters from e + e - → π 0 γ. [PDF]

open access: yesEur Phys J C Part Fields, 2020
Hoid BL, Hoferichter M, Kubis B.
europepmc   +1 more source

New Results on Vector Meson Production at HERA [PDF]

open access: yesarXiv, 2000
New results on elastic (exclusive) production of vector mesons are presented, mainly on J/\psi and phi mesons with emphasis on an interpretation of the data within pQCD.
arxiv  

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