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Experimental Determination of Elastic and Topological Cross-sections in 48.9-GeV/c anti-p p Interactions

Zissa, D.E. ; Barnes, V.E. ; Carmony, D.D. ; et al.
Phys.Rev.D 21 (1980) 3059, 1980.
Inspire Record 8434 DOI 10.17182/hepdata.24179

The elastic and topological p¯p cross sections have been measured at 48.9 GeV/c in the Fermilab proportional-wire-chamber-30-in.-bubble-chamber hybrid spectrometer. The elastic cross section is 7.81±0.24 mb and the slope of the elastic differential cross section at t=0 is 13.4±0.8 GeV−2. Further, the moments of the inelastic topological-cross-section distribution are 〈nc〉=5.69±0.03, 〈nc〉D=2.10±0.02, and f2cc=1.67±0.12.

3 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////DALITZ PAIRS. VEES AND GAMMA CONVERSIONS NEAR THE VERTEX WERE DETERMINED TO BE NEGLIGIBLE. LOW -T ELASTIC EVENTS//ODD-PRONG EVENTS APPARANTLY NOT CAUSED BY SECONDARY INTERACTIONS WERE MOVED TO THE NEXT HIGHER MULTIPLICITY ON THE ASSUMPTION THAT A SHORT TRACK WAS NOTVISIBLETOTAL AP-P CROSS SECTION OF 43.86+-0.25 MB FROM A.S.CARROL ET AL.PRL 33, 928(1974) WAS USED FOR NORMALIZATION).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////DALITZ PAIRS. VEES AND GAMMA CONVERSIONS NEAR THE VERTEX WERE DETERMINED TO BE NEGLIGIBLE. LOW -T ELASTIC EVENTS//ODD-PRONG EVENTS APPARANTLY NOT CAUSED BY SECONDARY INTERACTIONS WERE MOVED TO THE NEXT HIGHER MULTIPLICITY ON THE ASSUMPTION THAT A SHORT TRACK WAS NOTVISIBLETOTAL AP-P CROSS SECTION OF 43.86+-0.25 MB FROM A.S.CARROL ET AL.PRL 33, 928(1974) WAS USED FOR NORMALIZATION).

Table 3

No description provided.


CROSS-SECTIONS, AVERAGE MULTIPLICITIES AND ENERGY FRACTIONS OF NEUTRAL pi- AND K MESONS IN anti-p p ANNIHILATIONS AT 22.4-GeV/c

Batyunya, B.V. ; Boguslavsky, I.V. ; Gramenitsky, I.M. ; et al.
JINR-E1-82-475, 1982.
Inspire Record 179204 DOI 10.17182/hepdata.17656

None

7 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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GENERAL FEATURES OF ANTI-P P INTERACTIONS AT 7.3-GEV/C

Patel, G.D. ; Johnson, P. ; Mason, P. ; et al.
Z.Phys.C 12 (1982) 189-202, 1982.
Inspire Record 179888 DOI 10.17182/hepdata.2239

Absolute inclusive cross sections for\(\bar pp\) interactions at 7.3 GeV/c are given. The data cover prong cross sections,V0, γ production and inclusive charged particle (p/π) production. Separation has been made into annihilation and non-annihilation components. Inclusive π+, π− production in the processes of\(\bar pp\) annihilation and non-annihilation are compared with simple quark models.

26 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

ANNIHILATION AND NON-ANNIHILATION TOPOLOGICAL CROSS SECTIONS.

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