Measurement of the transverse target and beam-target asymmetries in η meson photoproduction at MAMI (CROSBI ID 210027)
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Podaci o odgovornosti
Akondi, C.S. ; ... ; Korolija, Milorad ; ... ; Supek, Ivan ; ... ; Wolfes, M.
engleski
Measurement of the transverse target and beam-target asymmetries in η meson photoproduction at MAMI
We present new data for the transverse target asymmetry T and the very first data for the beam-target asymmetry F in the γ⃗ p⃗ →ηp reaction up to a center-of-mass energy of W=1.9 GeV. The data were obtained with the Crystal-Ball/TAPS detector setup at the Glasgow tagged photon facility of the Mainz Microtron MAMI. All existing model predictions fail to reproduce the new data indicating a significant impact on our understanding of the underlying dynamics of η meson photoproduction. The peculiar nodal structure observed in existing T data close to threshold is not confirmed.
snop-meta asimetrija F; γ⃗ p⃗ →ηp reakcija.Mainz Microtron MAMI
A2 Collaboration at MAMI.
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Podaci o izdanju
113
2014.
102001-1-102001-5
objavljeno
0031-9007
10.1103/PhysRevLett.113.102001