Angular distributions for high-mass jet pairs and a limit on the energy scale of compositeness for quarks from the CERN pp̄ collider

UA1 Collaboration, R. Edgecock

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)

Abstract

Angular distributions of high-mass jet pairs (180<m2J<350 GeV) have been measured in the UA1 experiment at the CERN pp̄ Collider ( s=630GeV). We show that angular distributions are independent of the subprocess centre-of-mass (CM) energy over this range, and use the data to put constraints on the definition of the Q2 scale. The distribution for the very high mass jet pairs (240<m 2J<300 GeV) has also been used to obtain a lower limit on the energy scale Λc of compositeness of quarks. We find Λc>415 GeV at 95% confidence level.

Original languageEnglish
Pages (from-to)244-250
Number of pages7
JournalPhysics Letters B
Volume177
Issue number2
DOIs
Publication statusPublished - 11 Sep 1986
Externally publishedYes

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