The polarised target asymmetry in photoproduction of eta mesons from protons at 4 GeV

Bussey, P.; Raine, C.; Rutherglen, J.G.; Booth, P.S.L.; Carroll, L.; Court, G.R.; Daniel, P.R.; Edwards, A.; Gamet, R.; Hardwick, C.; Hayman, P.; Holt, J.R.; Jackson, J. N.; Range, W.H.; Galbraith, W.; Combley, F.; Rajaratnam, V.H.; Sutton, C.

doi:10.1016/0550-3213(81)90317-5

Cited by 5 publications

(13 citation statements)

References 12 publications

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“…A comparison between those experimental results [36,37,38,27,28] and our calculation was presented in Ref. [11].…”

Section: The Reaction Amplitudementioning

confidence: 78%

“…In the actual fit only data taken at E γ ≥3 GeV were used. In addition we include into the fit procedure the experimental results [27,28] for beam and target asymmetries available at E γ =3 GeV and 4 GeV. These polarization data were collected at the Daresbury Laboratory.…”

Section: The Reaction Amplitudementioning

confidence: 99%

“…Results for D( √ s), evaluated for the pre-2000 data [36,37,38,27,28] on γp→ηp, are shown in Fig. 10a).…”

Section: Comparison Of the Different Data Setsmentioning

confidence: 99%

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Analysis of recent $ \eta$ photoproduction data

et al. 2010

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Recent data on η-meson photoproduction off a proton target in the energy range 2≤ √ s≤3 GeV are analyzed with regard to their overall consistency. Results from the ELSA and CLAS measurements are compared with predictions of a Regge model whose reaction amplitude was fixed via a global fit to pre-2000 measurements of differential cross sections and polarization observables for γp→ηp at higher energies. We find that all recent experimental results on differential cross sections for η-meson photoproduction are in good agreement with each other, except for the CLAS data from 2009. However, the latter can be made consistent with the other data at the expense of introducing an energy-dependent renormalization factor. We point out that there indications in the data for a possible excitation of baryon resonances with masses around 2.1 and 2.4 GeV.PACS. 11.55.Jy Regge formalism -13.60.Le Meson production -13.60.-r Photon and charged-lepton interactions with hadrons -25.20.Lj Photoproduction reactions

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“…A comparison between those experimental results [36,37,38,27,28] and our calculation was presented in Ref. [11].…”

Section: The Reaction Amplitudementioning

confidence: 78%

Section: The Reaction Amplitudementioning

confidence: 99%

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Analysis of recent $ \eta$ photoproduction data

et al. 2010

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“…The data set for the γp → ηp reaction at high energies is more limited than for π 0 photoproduction. For the fit, we have used the experimental data of the differential cross sections dσ/dt from DESY [3] at E γ = 4 and 6 GeV and WLS [38] at E γ = 4 and 8 GeV; for the polarizedbeam asymmetry Σ from GlueX [7] at E γ = 8.7 GeV; and for the target asymmetry T from Daresbury [39].…”

Section: B Results On η Photoproductionmentioning

confidence: 99%

“…5. Data: GlueX [7] (black open circles) and Daresbury: [40] (black disks) and [39] (blue squares). Here the polarization observables involving beam and target polarization are expressed by helicity amplitudes in the notation of Barker [44] and Walker [45].…”

Section: Discussionmentioning

confidence: 99%

Regge phenomenology in π0 and η photoproduction

2017

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The γN → π 0 N and γN → ηN reactions at photon beam energies above 4 GeV are investigated within Regge models. The models include t-channel exchanges of vector (ρ and ω) and axial vector (b1 and h1) mesons. Moreover, Regge cuts of ρP, ρf2, ωP, and ωf2 are investigated. A good description of differential cross sections and polarization observables at photon beam energies from 4 to 15 GeV can be achieved.

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Beam asymmetry Σ for the photoproduction of η and η′ mesons at Eγ
Adhikari¹,
Ali²,
Amaryan³
et al. 2019
Phys. Rev. C
19
2
7
0
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The polarised target asymmetry in photoproduction of eta mesons from protons at 4 GeV

Cited by 5 publications

References 12 publications

Analysis of recent $ \eta$ photoproduction data

Analysis of recent $ \eta$ photoproduction data

Regge phenomenology in π0 and η photoproduction

Beam asymmetry Σ for the photoproduction of η and η′ mesons at Eγ
Adhikari¹,
Ali²,
Amaryan³
et al. 2019
Phys. Rev. C
19
2
7
0
View full text Add to dashboard Cite

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The polarised target asymmetry in photoproduction of eta mesons from protons at 4 GeV

Cited by 5 publications

References 12 publications

Analysis of recent $ \eta$ photoproduction data

Analysis of recent $ \eta$ photoproduction data

Regge phenomenology in π0 and η photoproduction

Beam asymmetry Σ for the photoproduction of η and η′ mesons at EγAdhikari1, Ali2, Amaryan3 et al. 2019Phys. Rev. C19270View full textAdd to dashboardCite

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Beam asymmetry Σ for the photoproduction of η and η′ mesons at Eγ
Adhikari¹,
Ali²,
Amaryan³
et al. 2019
Phys. Rev. C
19
2
7
0
View full text Add to dashboard Cite