Lloyd Owen, D.
P P --> PI0 X
[20.0, 30.0]
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Inclusive $\pi^0$ Production by High-Energy Protons

Carey, David C. ; Johnson, J.R. ; Kammerud, R. ; et al.
Phys.Rev.D 14 (1976) 1196, 1976.
Inspire Record 99992 DOI 10.17182/hepdata.4894

Measurements of the cross section for the reaction p+p→π0+anything have been completed. The data cover a range of incident proton energies 50-400 GeV, π0 transverse momenta 0.3-4 GeV/c, and laboratory angles 30-275 mrad. The experiment was performed using the internal proton beam at the Fermi National Accelerator Laboratory. A lead-glass counter was used to detect photons from the decay of π0's produced by collisions in thin targets of hydrogen or carbon. Tables of the measured cross sections are presented.

110 data tables
Table 1

No description provided.

Table 2

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Table 3

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Correlations Between Neutral and Charged Pions Produced in 300-{GeV}/$c p p$ Collisions

Kafka, T. ; LoPinto, F. ; Brody, A. ; et al.
Phys.Rev.D 19 (1979) 76, 1979.
Inspire Record 6901 DOI 10.17182/hepdata.24255

Neutral-pion production in pp interactions has been studied using 8000 photon conversions in the Fermilab 15-ft bubble chamber. Inclusive π0 multiplicity moments and ππ correlation integrals are presented; f200 is determined to be + 3.0±0.8. For the semi-inclusive π0 multiplicity distributions we find 〈n(π0)〉n− to increase with n−, while the dispersions are n− independent. Results on f2−0, f200, and f2,n−00 are compared to predictions of simple cluster models.

3 data tables
Table 1

No description provided.

Table 2

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Table 3

No description provided.


ANGULAR DEPENDENCE OF HIGH P(T) pi0 PRODUCTION

Lloyd Owen, D. ; Abshire, G.W. ; Finocchiaro, G. ; et al.
Phys.Rev.Lett. 45 (1980) 89, 1980.
Inspire Record 153201 DOI 10.17182/hepdata.20655

The π0 inclusive cross section for c.m. production angles θ=90° and 22°>~θ>~5° at c.m. energies of s=23 and 53 GeV has been measured. This cross section is strongly dependent on both θ and s at small angles. The hypothesis of radial scaling is shown to be incapable of incorporating both θ and s dependence of the cross section. A recent quantum-chromodynamics calculation is in qualitative agreement with our results.

14 data tables
Table 1

No description provided.

Table 2

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Table 3

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A Measurement of the Inclusive $\pi^0$ and $\eta$ Production Cross-sections at High $p_T$ in $p \bar{p}$ and $p p$ Collisions at $\sqrt{s}=24$.3-{GeV}

The UA6 & CERN-Lausanne-Michigan-Rockefeller collaborations Antille, J. ; Baumann, S. ; Bernasconi, A. ; et al.
Phys.Lett.B 194 (1987) 568, 1987.
Inspire Record 247579 DOI 10.17182/hepdata.30119

Inclusive π 0 and η production at large transverse momentum were studied in both p̄p and pp interactions at √ s = 24.3 GeV. The experiment was performed using an internal molecular hydrogen gas jet target in the CERN SPS collider. No significant differences between production in p̄p and pp were observed in the transverse momentum range 2.5 < P T < 5.1 GeV/ c .

3 data tables
Table 1

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Table 3

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Production of High Transverse Momentum Prompt Photons and Neutral Pions in Proton Proton Interactions at 280-GeV/c

The WA70 collaboration Bonesini, M. ; Bonvin, E. ; Booth, P.S.L. ; et al.
Z.Phys.C 38 (1988) 371, 1988.
Inspire Record 252633 DOI 10.17182/hepdata.15647

The inclusive cross sections for production of prompt photons and π0s by 280 GeV/c protons incident on a liquid hydrogen target, have been measured forpT in the range 4.0 to 6.5 GeV/c and for |xF|<0.45. A quantitative comparison of the prompt photon cross section with next-to-leading order QCD predictions using Duke and Owens structure functions is performed. Phenomenological fits to the π0 and prompt photon cross sections are given.

6 data tables
Table 1

Invariant cross section.

Table 2

No description provided.

Table 3

Invariant cross section.

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