Barnham, K.W.J.
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Charmed Multiplicities in $K^- p$ Interactions at 110-{GeV}/$c$

The Aachen-Berlin-CERN-Cracow-London-Vienna-Warsaw collaboration Ransone, G. ; Sixel, P. ; Kaufmann, H.H. ; et al.
Nucl.Phys.B 167 (1980) 285-291, 1980.
Inspire Record 144124 DOI 10.17182/hepdata.34553

The charged multiplicity distribution is presented for K − p interactions produced in the hydrogen bubble chamber, BEBC, using an r.f. separated, tagged K − beam of 110 GeV/ c momentum. A comparison with K + p, πp and pp data at lower energies shows that the main features of the multiplicity distributions depend on energy and charge of the incident particles, but not on their strangeness. At high energies, only the energy is important.

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


INCLUSIVE PRODUCTION OF XI- AND XI* (1530) IN K- p INTERACTIONS AT 10-GeV/c AND 16-GeV/c

The Aachen-Berlin-CERN-London-Vienna collaboration Sixel, P. ; Bottcher, H. ; Klein, R. ; et al.
Nucl.Phys.B 159 (1979) 125, 1979.
Inspire Record 147310 DOI 10.17182/hepdata.34625

The inclusive production of Ξ − and Ξ ∗0 (1530) is investigated in K − p interactions at 10 and 16 GeV/ c . The inclusive production cross sections are 172 ± 20 μ b and 135 ± 15 μ b for the Ξ − , and 43 ± 7 μ b and 32 ± 5 μ b for the Ξ ∗0 (1530) at 10 and 16 GeV /c , respectively. In the beam momentum range up to 16 GeV/ c , the energy dependence of the cross section for Ξ − production in K − p interactions is similar to Σ − production in π − p interactions. It is, instead, different from the energy behaviour of Σ − production cross sections observed in π − p interactions. The Ξ − and Ξ ∗0 (1530) are both produced more in the forward ( x > 0) than in the backward hemisphere, indicating the presence of hyperon-exchange processes.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Forward and Backward Multiplicities in $K^- p$ Interactions at 110-{GeV}/$c$

The Aachen-Berlin-CERN-Cracow-London-Vienna-Warsaw collaboration Gottgens, R. ; Kohli, J.M. ; Sixel, P. ; et al.
Z.Phys.C 11 (1981) 189, 1981.
Inspire Record 166387 DOI 10.17182/hepdata.16482

Multiplicity distributions and correlations between charged particles in the forward and back-ward c.m. hemispheres are studied inK−p interactions at 110 GeV/c and compared with other data on mesonnucleon scattering. The interpretation in terms of a simple quark-parton picture assuming that the forward multiplicity is dominated by quark fragmentation and the backward multiplicity by diquark fragmentation is supported by the experimental fact that the forward and the backward mean multiplicities are approximately equal to half of thee+e− andpp multiplicities, respectively. The 110 GeV/cK−p data show significant correlations between the numbers of slow forward and slow backward particles, whereas the multiplicities of fast forward and fast backward particles are independent.

2 data tables
Table 1

CHARGED MULTIPLICITY PER INELASTIC EVENT.

Table 2

NONDIFFRACTIVE SAMPLE ( -0.85 < XL < 0.85 ). CHARGED MULTIPLICITY PER INELASTIC EVENT.