The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons had been studied using data taken at sqrt(s)_ee=183 GeV and 189 GeV with the OPAL detector at LEP. Results are presented for Ppbar invariant masses, W, in the range 2.15 W< <3.95 GeV. The cross-section measurements are compared with previous data and with recent analytic calculations based on the quark-diquark model
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
Measurements of the two-photon interaction e+e- --> e+e- hadrons at sqrt(s) = 91 GeV and sqrt(s) = 1...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons had ...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has ...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has ...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has ...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has ...
The process e+e- to gamma gamma (gamma) is studied using data recorded with the OPAL detector at LEP...
The reaction e(+)e(-) --> e(+)e(-)p (p) over bar is studied with the L3 detector at LEP. The analysi...
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
The reaction e(+)e(-) --> e(+)e(-)p (p) over bar is studied with the L3 detector at LEP. The analysi...
The reaction e(+)e(-) --> e(+)e(-)p (p) over bar is studied with the L3 detector at LEP. The analysi...
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
Measurements of the two-photon interaction e+e- --> e+e- hadrons at sqrt(s) = 91 GeV and sqrt(s) = 1...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons had ...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has ...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has ...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has ...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has ...
The process e+e- to gamma gamma (gamma) is studied using data recorded with the OPAL detector at LEP...
The reaction e(+)e(-) --> e(+)e(-)p (p) over bar is studied with the L3 detector at LEP. The analysi...
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
The reaction e(+)e(-) --> e(+)e(-)p (p) over bar is studied with the L3 detector at LEP. The analysi...
The reaction e(+)e(-) --> e(+)e(-)p (p) over bar is studied with the L3 detector at LEP. The analysi...
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
Measurements of the two-photon interaction e(+)e(-) --> e(+)e(-) + hadrons at root s similar or equa...
Measurements of the two-photon interaction e+e- --> e+e- hadrons at sqrt(s) = 91 GeV and sqrt(s) = 1...