Omega Photon
Strange production
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Photoproduction of $\phi$ Mesons by Linearly Polarized Photons of Energy 20-{GeV} to 40-{GeV} and Further Evidence for a Photoproduced High Mass $K K$ Enhancement

The Omega Photon collaboration Atkinson, M. ; Axon, T.J. ; Barberis, D. ; et al.
Z.Phys.C 27 (1985) 233, 1985.
Inspire Record 204590 DOI 10.17182/hepdata.16067

A study of ϕ-meson photoproduction by partially polarized photons of energy 20–40 GeV is reported. The production mechanism is found to conserves-channel helicity and to proceed via natural-parity exchange in thet channel. In the photoproduction of high-massK+K− states with photons of energy 20–70 GeV, there is evidence for an enhancement at a mass of 1.76 GeV with width 0.08 GeV.

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Photoproduction of $K \bar{K} \pi$ Final States in the Photon Energy Range From 20-{GeV} to 70-{GeV}

The Omega Photon collaboration Atkinson, M. ; Axon, T.J. ; Barberis, D. ; et al.
Nucl.Phys.B 231 (1984) 1-14, 1984.
Inspire Record 191239 DOI 10.17182/hepdata.33920

The reactions γ p→K + K − π 0 (p) and γ p→ K s 0 K ± π ± (p) have been measured using tagged photons in the energy range 20 to 70 GeV. No resonance structure is observed in either of the K K π invariant mass distributions, which range from threshold up to ∼ 3 GeV. The photoproduction cross sections for φπ 0 and K ∗ (892)K are presented and are compared with theoretical predictions. No evidence has been found for the photoproduction of φ′ (1680).

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

NO EVIDENCE FOR RESONANT STRUCTURE AT PHIPRIME(1680).


Inclusive Photoproduction of $\phi$, $K^*$ (890) and $K^*$ (1420) in the Photon Energy Range 20-{GeV} to 70-{GeV}

The Omega Photon collaboration Atkinson, M. ; Axon, T.J. ; Barberis, D. ; et al.
Z.Phys.C 30 (1986) 521, 1986.
Inspire Record 218609 DOI 10.17182/hepdata.15900

Inclusive photoproduction of ϕ,K*0(890),\(\bar K*^0 \) andK*0(1420),\(\bar K*^0 \) has been studied in γp collisions with photons of energy 20 to 70 GeV and in the range 0.1≦xF≦0.95 [0.4≦xF≦0.8 for the\(\mathop K\limits^{( - )} *\)(1420)],xF being the Feynman variable of the vector/tensor meson. The cross-sections for these processes, averaged over the photon energy range and integrated overxF are given. The inclusive ϕ production in the forward direction can be described quantitatively by a triple-Regge model calculation. The remaining ϕ production and the totalK*0(890) and\(\bar K*^0 \) production are consistent with a quark fusion picture.

1 data table
Table 1

No description provided.