Golubkov, Dmitry
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Study of rho0 and f2 meson production in pi- p interactions at 360-GeV/c

The NA27 LEBC/EHS collaboration Verbeure, F. ; De Roeck, A. ; Knauss, D. ; et al.
Sov.J.Nucl.Phys. 49 (1989) 631-635, 1989.
Inspire Record 292952 DOI 10.17182/hepdata.17327

None

5 data tables
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Multiplicity Distribution in $K^+$ Al and $K^+$ Au Collisions at 250-{GeV}/c and a Test of the Multiple Collision Model.

The EHS/NA22 collaboration Ajinenko, I.V. ; Belokopytoy, Yu. A. ; Bialkowska, H. ; et al.
Z.Phys.C 42 (1989) 377-385, 1989.
Inspire Record 281815 DOI 10.17182/hepdata.15530

Multiplicity distributions, observed inK+ interactions with Al and Au nuclei at 250 GeV/c incident momentum are presented. They are analyzed in the framework of multiple collisions of the incident particle inside a nucleus. The probability distribution of the number of grey tracks is well described by the model of Andersson et al., if a negative binomial distribution is assumed for the distribution of the number of grey protons produced per elementary collision instead of the usual geometrical distribution. The analysis of the average and dispersion of the charge multiplicity distribution supports the validity of the multiple collision model, including results on correlations between forward and backward multiplicities.

4 data tables
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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
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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

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Search for Direct $\gamma$ Production at Low Transverse Momentum in 63-{GeV} $p p$ Collisions

The Axial Field Spectrometer collaboration Akesson, T. ; Albrow, M.G. ; Almehed, S. ; et al.
Phys.Rev.D 36 (1987) 2615, 1987.
Inspire Record 246577 DOI 10.17182/hepdata.23325

We have searched for direct photons of low PT (≤1.0 GeV/c) at θc.m.=90° in pp collisions at √s =63 GeV. We used two independent methods: direct detection in NaI crystals and conversion to e+e− pairs. No signal is observed; the photon spectrum is well described by the decay of hadrons. The result is consistent with a direct low-PT photon signal reported at √s =12 GeV, but excludes a rapid growth of soft-photon production with √s .

1 data table
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Inclusive $\eta$ Production at Low Transverse Momentum in 63-{GeV} $p p$ Collisions at the {CERN} Intersecting Storage Rings

The Axial Field Spectrometer collaboration Akesson, T. ; Albrow, M.G. ; Almehed, S. ; et al.
Phys.Lett.B 178 (1986) 447, 1986.
Inspire Record 230636 DOI 10.17182/hepdata.30230

The inclusive production of η-mesons in pp collisions at √ s =63GeV and ϑ CM =90° has been measured for p T <1.5GeV/c. The η/π ratio decreases from its previously measured asymptotic value of η/π ∼ 0.5 at high transverse momentum, to η/π ≈0.3 at P T = 750MeV/c and η/π ≈ 0.01 at P T =300MeV/c, in a way that consistent with phase-space considerations, e.g. m T scaling. The η/π ratio, integrated from 0.2–1.5 GeV/ c , is found to be η/π=0.07±0.055.

1 data table
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A comparison of direct photon, $\pi^0$, and $\eta$ production in $p\bar{p}$p and $pp$ interactions at the CERN ISR

The Axial Field Spectrometer collaboration Akesson, T. ; Albrow, M.G. ; Almehed, S. ; et al.
Phys.Lett.B 158 (1985) 282-288, 1985.
Inspire Record 213984 DOI 10.17182/hepdata.30391

We have measured the production of direct photons, π 0 's, and η's in p p and pp collisions at √ s =53 GeV in the range 2≈ p T ≈6 GeV/ c for the central rapidity region | y | 0.4. No statistically significant difference between pp̄ and pp interactions is observed.

5 data tables
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