Direct Photon Production in $\bar{p} p$ Collisions at $\sqrt{s}=630$-{GeV}

The UA2 collaboration Ansari, R. ; Bagnaia, P. ; Banner, M. ; et al.
Z.Phys.C 41 (1988) 395 , 1988.
Inspire Record 264998 DOI 10.17182/hepdata.15558

A measurement of the direct production of photons with high transverse momentum from\(\bar pp\) collisions at\(\sqrt s= 630\) GeV is presented. The structure of events containing a high transverse momentum photon is studied. The results support predictions from QCD theory.

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A Study of High Transverse Momentum Electrons Produced in anti-p p Collisions at 540-GeV

The UA2 & Bern-CERN-Copenhagen-Orsay-Pavia-Saclay collaborations Bagnaia, P. ; Banner, M. ; Battiston, R. ; et al.
Z.Phys.C 24 (1984) 1 , 1984.
Inspire Record 200803 DOI 10.17182/hepdata.16251

The production of electrons with very high transverse momentum has been studied in the UA2 experiment at the CERN\(\bar pp\) collider (\(\sqrt s\)=540 GeV). From a sample of events containing an electron candidate withpT>15 GeV/c, we extract a clear signal resulting from the production of the charged intermediate vector bosonW±, which subsequently decays into an electron and a neutrino. We study theW production and decay properties. Further-more, we refine our results on the production and decay of the neutral vector bosonZ0. Finally, we compare the experimental results to the predictions of the standard model of the unified electro-weak theory.

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