Search for Structures in the $\bar{p} p \to \pi^+ \pi^-$ and $\bar{p} p \to K^+ K^-$ Cross-sections Between 360-{MeV}/$c$ and 760-{MeV}/$c$

Sugimoto, Y. ; Sudou, M. ; Fujii, T. ; et al.
Phys.Rev.D 37 (1988) 583, 1988.
Inspire Record 252971 DOI 10.17182/hepdata.38415

Cross sections have been measured for the reactions p¯p→π+π− and K+K− at 15 incident-beam momenta between 360 and 760 MeV/c with significantly better statistics than previous experiments in this momentum region. No significant structure has been found in either channel. The values of 90%-confidence-level upper limits for the possible resonance cross sections are given.

31 data tables
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Dijet Angular Distributions from anti-p p Collisions at s**(1/2) = 1.8-TeV

The CDF collaboration Abe, F. ; Amidei, D. ; Apollinari, G. ; et al.
Phys.Rev.Lett. 62 (1989) 3020-3023, 1989.
Inspire Record 278394 DOI 10.17182/hepdata.20046

We have measured dijet angular distributions at √s =1.8 TeV with the Collider Detector at Fermilab and the Tevatron p¯p Collider and find agreement with leading-order QCD. By comparing the distribution for the highest dijet invariant masses with the prediction of a model of quark compositeness, we set a lower limit on the associated scale parameter Λc at 330 GeV (95% C.L.).

1 data table

Numerical values read from figure in preprint.