Study of $\Delta^{++}$ Production in $\pi^- p$ Interactions at 100-{GeV}/$c$, 200-{GeV}/$c$, and 360-{GeV}/$c$ - INSPIRE

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Study of $\Delta^{++}$ Production in $\pi^- p$ Interactions at 100-{GeV}/ $c$ , 200-{GeV}/ $c$ , and 360-{GeV}/ $c$

Nov, 1978

41 pages

Published in:

Phys.Rev.D 19 (1979) 731

DOI:

10.1103/PhysRevD.19.731

Report number:

FERMILAB-PUB-78-103-E,
PRINT-78-1124 (NOTRE-DAME)

Experiments:

View in:

reference search45 citations

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Abstract: (APS)

We present a systematic study of Δ++ production in π−p reactions at Fermilab energies. Inclusive and semi-inclusive Δ++(1232) production cross sections are determined. We observe these cross sections to be energy independent. The invariant cross sections as a function of Feynman x and pT2 are also energy independent consistent with scaling behavior. We show that Δ++ production is consistent with a one-pion-exchange mechanism. Comparison of the density matrix elements with model predictions and results of a triple-Regge analysis both support the validity of a one-pion-exchange model.

PI- P: INCLUSIVE REACTION
DELTA(1236)++: HADROPRODUCTION
DIFFERENTIAL CROSS SECTION: ENERGY DEPENDENCE
DIFFERENTIAL CROSS SECTION: TRANSVERSE MOMENTUM
DIFFERENTIAL CROSS SECTION: X-DEPENDENCE
MULTIPLICITY: RECOIL
MASS SPECTRUM: (P PI)
MASS SPECTRUM: (DELTA(1236)++ PI)
EXCHANGE: ONE-PION
INCLUSIVE REACTION: TRIPLE-REGGE LIMIT

References(13)

Figures(0)

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Pi- p Interactions at 360-GeV/c: Measurement of the Total and Elastic Cross-Sections and the Charged Particle Multiplicity Distribution

A. Firestone
(
- Ames Lab and
- Iowa State U.
)
,
E.W. Anderson
(
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)
,
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(
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