Bock, G.
POWER
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Measurement of the Single Jet Invariant Cross-section at {Fermilab}

The E609 collaboration Cormell, L.R. ; Arenton, M.W. ; Chen, H.F. ; et al.
Phys.Lett.B 150 (1985) 322-326, 1985.
Inspire Record 206286 DOI 10.17182/hepdata.30447

In an experiment performed at Fermilab we have studied the production of high p t hadron jets from 400 GeV/ c pp interactions. A large solid-angle, towered calorimeter was used to trigger and reconstruct the jet events. We report results for inclusive single-jet production and compare those results with QCD predictions and results obtained at the ISR and the SPS Collider.

1 data table
Table 1

The invariant distribution is fitted to CONST*(1/PT**POWER)*(1-XT)**POWER.


A-dependence of Muon Pair Production in $\pi^-$ Nucleus Interactions at 280-{GeV}/$c$

Falciano, S. ; Freudenreich, K. ; Juillot, P. ; et al.
Phys.Lett.B 104 (1981) 416-420, 1981.
Inspire Record 166161 DOI 10.17182/hepdata.31061

We have measured the relative cross sections for muon pair production by 280 GeV/ c negative pions on three different targets: carbon, copper, and tungsten. The value of α obtained from the parametrization σ = constant × A α is 0.94 ± 0.02 ± 0.02, whereas the parametrization σ≈σ 0 ( Z A ) A α′ , where σ 0 ( Z A ) is given by the Drell-Yan model, leads to α ′ = 0.97 ±0.02±0.02. This last result is in agreement with the quark additivity rule which is inherent in the Drell-Yan model, no dependence is observed on the transverse momentum of the muon pair.

2 data tables
Table 1

PARAMETRISATION OF CROSS-SECTION IS SIG=CONST.*A**POWER.

Table 2

PARAMETRISATION OF CROSS-SECTION IS SIG=SIG0(Z/A)*A**POWER WHERE SIG0(Z/A) IS GIVEN BY DRELL-YAN MODEL.


PRODUCTION OF PHOTONS ASSOCIATED WITH THE PSI BY 217-GEV/C PI- MESONS

Kirk, T.B.W. ; Raja, R. ; Goodman, M. ; et al.
Phys.Rev.Lett. 42 (1979) 619-622, 1979.
Inspire Record 145303 DOI 10.17182/hepdata.20780

Dimuon production is studied in 217-GeV/c π−-hydrogen and π−-beryllium collisions with a lead-glass array to detect photons associated with the ψ. The ψ−γ mass spectrum shows a 2.6-standard-deviation excess of events above background at ∼3.5 GeV. This excess, if attributed to the decay χ(∼3.5)→ψγ, implies that 0.70±0.28 of the ψ's are produced via radiative decay of one of the χ states.

2 data tables
Table 1

E*D(SIG)/D(XL) is fitted by (1-X)**POWER.

Table 2

No description provided.