Merzliakov, S.
D3SIG/DP**3
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Production of Jets and Single Particles at High p(T) in 200-GeV Hadron Beryllium Collisions

Bromberg, C. ; Fox, G. ; Gomez, R. ; et al.
Nucl.Phys.B 134 (1978) 189-241, 1978.
Inspire Record 5774 DOI 10.17182/hepdata.35152

We present results from an experiment studying the production of single particles and jets (groups of particles) with high p ⊥ (transverse momentum) in 200 GeV/ c interactions on a beryllium target. We give a detailed discussion of the ambiguities in the jet definition. The jet and single-particle cross sections have a similar shape but the jet cross section is over two orders of magnitude larger. The events show evidence for the coplanar structure suggested by constituent models, and the momentum distributions of charged particles give strong support to a simple quark-quark scattering model.

4 data tables
Table 1

NOMINAL CALORIMETER THRESHOLD WAS 3 GEV/C. AT WHICH PT TRIGGER EFFICIENCY SHOULD BE 50 PCT. THIS DATA HAS AN ADDITIONAL 20 PCT. NORMALISATION ERROR.

Table 2

THIS TABLE REFERS TO JET WITH THRESHOLD OF 3 GEV/C. THE JET PONTS ARE AVERAGED OVER ROUGHLY EQUAL AMOUNTS OF +VE AND -VE BEAMS.

Table 3

THIS TABLE REFERS TO JET WITH THRESHOLD OF 4 GEV/C. THE JET PONTS ARE AVERAGED OVER ROUGHLY EQUAL AMOUNTS OF +VE AND -VE BEAMS.

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Inclusive Production of Low Momentum Charged Pions, Kaons, and Protons at x=0 at the CERN Intersecting Storage Rings

The British-Scandinavian-MIT collaboration Guettler, K. ; Duff, B.G. ; Prentice, M.N. ; et al.
Nucl.Phys.B 116 (1976) 77-98, 1976.
Inspire Record 110113 DOI 10.17182/hepdata.35634

The inclusive production of low-momentum charged pions, kaons, and protons has been measured at x = 0 over the ISR energy range 23 < √ s < 63 GeV. The average increase in the invariant differential cross section is 36 ± 2% for π + , 41 ± 2% for π − , 52 ± 8% for K + , 69 ± 8% for K − , 8 ± 5% for p, and 84 ± for p ̄ . Pions have been measured in the range 0.04 < p T < 0.4 GeV/ c , kaons over 0.1 < p T < 0.3 GeV/ c , and nucleons over 0.1 < p T < 0.5 GeV/ c .

20 data tables
Table 1

No description provided.

Table 2

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Table 3

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Inclusive $\pi^0$ Production at Large Transverse Momentum from $\pi^{\pm} p$ and pp Interactions at 100 and 200 GeV/c

Donaldson, G. ; Gordon, H. ; Lai, K.-W. ; et al.
Phys.Rev.Lett. 36 (1976) 1110, 1976.
Inspire Record 108958 DOI 10.17182/hepdata.21118

We have measured large-transverse-momentum (p⊥) inclusive π0 production at c.m. angles centered near 90° for π±p and pp interactions at 100 and 200 GeV/c. This is the first such measurement using a pion beam. The ratio σ(pp→π0X)σ(πp→π0X) decreases with increasing p⊥ and is independent of energy when expressed as a function of x⊥=p⊥pmax. We compare the data with predictions of various models.

6 data tables
Table 1

No description provided.

Table 2

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Table 3

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The Inclusive Reactions $p + n \to p + X$ and $\pi^+ + n \to p + X$ at 100-GeV/c

Hanlon, J. ; Brody, A. ; Engelmann, R. ; et al.
Phys.Rev.Lett. 37 (1976) 967, 1976.
Inspire Record 108156 DOI 10.17182/hepdata.21040

We have measured the inclusive cross section for the reactions p+n→p+X and π++n→p+X at 100 GeV/c in the kinematic region |t|<1.0 GeV2. The data were obtained from an exposure of the Fermilab 30-in. deuterium-filled bubble chamber to a tagged positively charged beam. The differential cross sections for these reactions are observed to scale in the ratio of the pn and π+n total cross sections and to be consistent with the predictions of a Reggeized one-pion-exchange model.

6 data tables
Table 1

No description provided.

Table 2

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Table 3

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