Loverre, P.F.
LEBC-EHS
Pion-Proton Scattering
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Vector Meson Production in $\pi^- p$ Interactions at 360-{GeV}/$c$

The LEBC-EHS collaboration Aguilar-Benitez, M. ; Bailly, J.L. ; Batalov, A.A. ; et al.
Z.Phys.C 44 (1989) 531, 1989.
Inspire Record 278763 DOI 10.17182/hepdata.15359

The inclusive production of vector mesons (charged ρ(770), ω(783), ϕ(1020) and neutralK*(892)) in π−p interactions at 360 GeV/c is studied. The data are based on 160 000 reconstructed events recorded in the NA 27 Experiment using the LEBC-EHS facility at CERN. The production cross sections in the forward hemisphere in c.m.s. and the longitudinal momentum distributions are determined. The results are compared with data obtained at lower energies.

17 data tables
Table 1

No description provided.

Table 2

Upper limits of cross sections.

Table 3

Cross sections extrapolated to x > 0.

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Inclusive production of $\varrho^{0}$ and f$_{2}$ mesons in $\pi^{-}p$ interactions at 360 GeV/c

The LEBC-EHS collaboration Bailly, J.D. ; Verbeure, F. ; Banerjee, S. ; et al.
Yad.Fiz. 49 (1989) 1014-1020, 1989.
Inspire Record 262830 DOI 10.17182/hepdata.10426

None

10 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Inclusive Production of $\rho^0$ and F2 Mesons in $\pi^- p$ Interactions at 360-{GeV}/$c$

The LEBC-EHS collaboration Bailly, J.L. ; Banerjee, S. ; Castelli, E. ; et al.
Z.Phys.C 36 (1987) 545, 1987.
Inspire Record 247583 DOI 10.17182/hepdata.15699

We report on a study ofρ0 andf2 inclusive production in π−−p interactions at 360 GeV/c, using the LEBC-EHS set-up at CERN and reconstructing about 165000 events. Theρ0,f2 andρ30 cross sections are determined forxF>0,xF>0.4 andxF>0.6 respectively and theρ0 andf2 Feynman-x distributions and transverse momentum distributions are presented.

1 data table
Table 1

No description provided.


Charm $D$ Meson Production in 360-{GeV} $\pi^- p$ Interactions: Evidence for Leading Quarks

The LEBC-EHS collaboration Aguilar-Benitez, M. ; Allison, W.W.M. ; Bagnaia, P. ; et al.
Phys.Lett.B 123 (1983) 98-102, 1983.
Inspire Record 182456 DOI 10.17182/hepdata.30715

Charm D-meson production in 360 GeV π − p interactions has been studied using the high-resolution hydrogen bubble chamber LEBC and the European Hybrid Spectrometer. The data show evidence for leading quark effects both in the number of D-meson types and in the Feynman x distributions. The production cross section is of the form d 2 δ d x d p T 2 ∞(1-x) n exp (-ap T 2 ) with n = 2.8±0.8 and a = 1.1±0.3 (GeV/ c ) −2 . The x distribution is, however, compatible with the presence of both central ( n = 6) and leading (n = 1) D / D production. The fraction of D-messons in the leading component is estimated to be ≈30%. The rapidity gap between members of reconstructed charm pairs is small compared to the available rapidity range. The inclusive cross section for single D-messons in the forward direction is: δ(D/ D )=(40 8 +15 )μ b ( for x>0) .

1 data table
Table 1

No description provided.