Production of W's with large transverse momentum at the CERN proton-antiproton collider
作者： C Albajar , MG Albrow , OC Allkofer , G Arnison , A Astbury
DOI: 10.1016/0370-2693(87)91257-3
关键词: Physics 、 Proton 、 Quantum chromodynamics 、 Transverse plane 、 Nuclear physics 、 Antiproton 、 Large Hadron Collider 、 UA1 experiment 、 Collider 、 Particle physics 、 Hadron
摘要: Abstract We have measured the W transverse momentum distribution (pTW) using a sample of 323 → eν and μν events produced in proton-antiproton collisions at CERN collider. In present letter we extend study up to pTW ∼- m compare leading higher order QCD. This comparison is precise test QCD with hadron colliders inclusive spectrum gives good agreement over large range pTW. However observed two very (∼- 100 GeV/c) which candidate recoils against an energetic di-jet system. Both missing energy jet-jet mass compatible mass. separate analysis, topologically similar event has been high-mass system balanced by could be interpreted as Z0 ν decay. cannot easily explain these three terms explicit second-order calculations. exclude this stage possibility that they are result non-gaussian fluctuations response UA1 calorimetry or statistical fluctuation data.
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