TY - JOUR
T1 - Measurement of the cross-section for the process gamma-gamma → p pbar at √(s)ee = 183-189 GeV at LEP
AU - Abbiendi, G
AU - Anagnostou, Georgios
AU - Bell, Paul
AU - Bloodworth, Ian
AU - Charlton, David
AU - Hawkes, Christopher
AU - Homer, Roger
AU - Jovanovic, Predrag
AU - McMahon, Thomas
AU - O'Neale, Stephen
AU - Watson, Miriam
AU - Watkins, Peter
AU - Watson, Alan
AU - Watson, Nigel
AU - Wilson, John
PY - 2003/5/1
Y1 - 2003/5/1
N2 - The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has been studied using data taken at rootS(ee) = 183 GeV and 189 GeV with the OPAL detector at LEP. Results are presented for p (p) over bar 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.
AB - The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has been studied using data taken at rootS(ee) = 183 GeV and 189 GeV with the OPAL detector at LEP. Results are presented for p (p) over bar 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.
U2 - 10.1140/epjc/s2003-01171-y
DO - 10.1140/epjc/s2003-01171-y
M3 - Article
VL - 28
SP - 45
EP - 54
JO - European Physical Journal C
JF - European Physical Journal C
IS - 1
ER -