Total cross section for photoproduction of hadrons on hydrogen and deuterium between 1.0 and 6.4 GeV

Meyer, H.; Naroska, B.; Weber, J.H.; Wong, Ming Liang; Heynen, V.; Mandelkow, Eckhard; Notz, D.

doi:10.1016/0370-2693(70)90298-4

Cited by 59 publications

(1 citation statement)

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“…Hadron production induced by photons has been largely studied since it provides an excellent tool to probe the hadron spectrum [40,41,42,43]. The strong affinity of photons for ss allows to use photon beams to study the strangeonium-like states, like the observation of the φ(1020) [44] and φ(1680) [45] in γp → K + K − p reaction.…”

Section: Introductionmentioning

confidence: 99%

Exotic Meson Photoproduction at GlueX – Search for the hybrid candidate Y

Hamdi

2020

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Understanding the hadron spectrum is one of the primary goals of non-perturbative QCD. Many predictions have experimentally been confirmed, others still remain under experimental investigation. Of particular interest is how gluonic excitations give rise to states with constituent glue. One class of such states are hybrid mesons that are predicted by theoretical models and Lattice QCD calculations. Searching for and understanding the nature of these states is a primary physics goal of the GlueX experiment at the CEBAF accelerator at Jefferson Lab. A search for a J P C = 1 −− hybrid meson candidate, the Y (2175), in φ(1020)π + π + and φ(1020)f 0 (980) channels in photoproduction on a proton target has been conducted. A first measurement of non-resonant φ(1020)π + π + and φ(1020)f 0 (980) total cross sections in photoproduction has been performed. An upper limit on the resonance production cross section for the Y (2175) → φ(1020)π + π + and Y (2175) → φ(1020)f 0 (980) channels are estimated. Since the analysis essentially depends on the quality of the charged kaon identification, also an optimization of particle identification through an improvement of the energy loss estimation in the CDC by a truncated mean method has been investigated. i Kurzfassung ii List of Tables vi List of Figures ix xix 5.1 Kaon momentum versus the polar angle in MC, with kaon from the γp → Y (2175)p → φf 0 → K + K − π + π − p reaction. The boxes show the TOF (red) and DIRC (purple) coverages. .

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Section: Introductionmentioning

confidence: 99%

Exotic Meson Photoproduction at GlueX – Search for the hybrid candidate Y

Hamdi

2020

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Inelastic scattering of cosmic ray muons on iron nuclei and the virtual photon shadowing

et al. 1984

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Hadronic cascade showers originating from inelastic interactions of cosmic ray muons with iron nuclei have been observed in a calorimeter located between two magnetic spectrometers. The separation of those events from the electromagnetic showers has been successfully done in the ranges of the transferred energy v ≳ 50 GeV and its ratio to muon energy v/E ≳ 0,1, by utilizing the difference of their longitudinal cascade developments. The comparison of the obtained μ‐Fe cross section with available μ‐, e‐ and σ‐proton data as well as μ‐, e‐ and σ‐nucleus data indicates that; At v ˜ 100 GeV, the virtual photon cross section on iron nucleus is almost the same as the real photon one, at least Q2 ≳ 0.1 GeV2/c2, and is about 70% of the cross section on proton times the atomic mass number of iron, i.e. the shadowing effect is clearly seen. Up to TeV region, this virtual photon cross section on iron does not increase significantly. contrary to the tendency of the real photon cross section on proton around 100 GeV. This suggests most likely that the shadowing still increases with energy at such high energies.

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2.1 Total cross sections

Joos¹

Photoproduction of Elementary Particles

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Total cross section for photoproduction of hadrons on hydrogen and deuterium between 1.0 and 6.4 GeV

Cited by 59 publications

References 6 publications

Exotic Meson Photoproduction at GlueX – Search for the hybrid candidate Y

Exotic Meson Photoproduction at GlueX – Search for the hybrid candidate Y

Inelastic scattering of cosmic ray muons on iron nuclei and the virtual photon shadowing

2.1 Total cross sections

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