L. Scholten | Researchain

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Physics Letters B | 1989

Intermittency patterns in π+p and K+p collisions at 250 GeV/c

I.V. Azhinenko; V. A. Uvarov; H. Böttcher; E. A. De Wolf; P. V. Chliapnikov; N.G. Grigorian; A. B. Michalowska; R. Wischnewski; V. I. Nikolaenko; V.V. Shakhbazian; B.B. Levchenko; S. A. Zotkin; K. Olkiewicz; F. Meijers; A.G. Tomaradze; O.G. Chikilev; Yu. Belokopytov; J. Stepaniak; P. van Hal; E. Markhorst; A. De Roeck; F. Crijns; K. Dziunikowska; J. Mäkelä; P. F. Ermolov; H.R. Rollof; T. Haupt; F. Botterweck; Z.G. Garuchava; V.M. Ronzhin

Abstract Intermittent behaviour is observed in π + p and K + p collisions at 250 GeV/ c . It is stronger there than in O 16 emulsion, but weaker than in e + e − collisions. A jet cascading mechanism is, therefore, the most likely interpretation. Presently used fragmentation models do not (fully) reproduce the effect, suggesting that an improvement of the hadronization picture is needed.

Physics Letters B | 1987

Maximum particle densities in rapidity space of π+ p, K+ p and pp collisions at 250 GeV/c

M. Adamus; I. V. Ajinenko; S.F. Amato; Yu. Belokopytov; V.A. Berezhnoy; H. Bialkowska; H. Böttcher; P. Chliapnikov; F. Crijns; A. De Roeck; E. A. De Wolf; A.M.F. Endler; G. V. Gevorkyan; H. Grässler; N. G. Grigoryan; R. Hakobyan; P. van Hal; T. Haupt; D. Kisielewska; W. Kittel; V.V. Kniazev; A. I. Kurnosenko; F. Meijers; A. B. Michalowska; V. I. Nikolaenko; L.C.S. Oliveira; K. Olkiewicz; L.P. Petrovykh; E. Riipinen; H.E. Roloff

Abstract In a study of π + p, K + p and pp collisions at √ s =22GeV in the european hybrid spectrometer (EHS), the maximum charged particle density per given rapidity interval is found to rise linearly with charged particle multiplicity, independent of beam particle type and practically independent of energy between 22 and 900 GeV. An anomalous π + p event is found with ten particles within the very narrow rapidity interval Δy =0.098.

European Physical Journal C | 1988

Charged particle production inK + p, π p andpp interactions at 250 GeV/c

M. Adamus; I. V. Ajinenko; M. R. Atayan; Yu. Belokopytov; H. Boettcher; F. Botterweck; P. Chliapnikov; F. Crijns; A. De Roeck; E. A. De Wolf; K. Dziunikowska; A.M.F. Endler; P. F. Ermolov; G. V. Gevorkyan; H. Graessler; P. van Hal; T. Haupt; W. Kittel; D. Kisielewska; A. I. Kurnosenko; F. Meijers; A. B. Michalowska; V. I. Nikolaenko; L.C.S. Oliveira; K. Olkiewicz; H. E. Roloff; V. M. Ronjin; A. M. Rybin; H. Saarikko; Y. T. M. Saarikko

New results are reported on inclusive charged particle production inK+p,π+p andpp collisions at 250 GeV/c. Inclusive longitudinal and transverse momentum spectra of positively and negatively charged particles are presented. Scaling in the fragmentation regions and scaling violation in the central c.m. region is investigated in detail. The topological pseudo-rapidity densities are shown to scale in the c.m. energy range from 22 to 900 GeV.

Physics Letters B | 1986

Rapidity dependence of negative and all-charged multiplicities in non-diffractive π+p and pp collisions at 250 GeV/c

M. Adamus; I. V. Ajinenko; F.M.L. De Almeida; Yu. Belokopytov; H. Bialkowska; H. Boettcher; P. Chliapnikov; F. Crijns; A. De Roeck; E. A. De Wolf; K. Dziunikowska; A.M.F. Endler; W. Friebel; H. Graessler; P. van Hal; N.S. Khalatyan; D. Kisielewska; E. P. Kistenev; W. Kittel; A. I. Kurnosenko; B.B. Levchenko; S. S. Megrabyan; F. Meijers; A. B. Michalowska; V. I. Nikolaenko; L.C.S. Oliveira; K. Olkiewicz; L.P. Petrovykh; E. Riipinen; H.E. Roloff

Multiplicity distributions of all charged and of negative particles for non (single)-diffractive events in π+p and pp collisions at 250 GeV/c (s=22 GeV) are presented for various rapidity intervals. The data are well described by the negative binomial distribution. The π+p and pp data are different for full phase space, but similar for the central region. In the central region, the relation kch≈12 k− holds for all charged and negative multiplicities. This favours the interpretation in terms of cascade models above (partial) stimulated emission models.

European Physical Journal A | 1990

Inclusive production of vector mesons in π+p interactions at 250 GeV/c

N. M. Agababyan; I. V. Ajinenko; Yu. Belokopytov; K. S. Belous; H. Boettcher; F. Botterweck; M. M. Chapkin; P. Chliapnikov; F. Crijns; A. De Roeck; E. A. De Wolf; K. Dziunikowska; A.M.F. Endler; A. Eskreys; Z. C. Garutchava; P. van Hal; T. Haupt; A. I. Katargin; W. Kittel; S. S. Megrabyan; F. Meijers; A. B. Michalowska; V. I. Nikolaenko; K. Olkiewicz; V. M. Ronjin; R. Rosmalen; H. Saarikko; L. Scholten; E. Shabalina; J. Stepaniak

AbstractWe report on a study of ρ0, ρ+, ω,

European Physical Journal C | 1989

Inclusive meson resonance production inK+p interactions at 250 GeV/c

N. M. Agababyan; I. V. Ajinenko; Yu. Belokopytov; H. Boettcher; P. Chliapnikov; F. Crijns; A. De Roeck; E. A. De Wolf; K. Dziunikowska; Z. C. Garutchava; V. G. Gavrjusev; H. Graessler; G. R. Gulkanyan; P. van Hal; T. Haupt; W. Kittel; D. Kisielewska; F. Meijers; A. B. Michalowska; V. I. Nikolaenko; L.C.S. Oliveira; K. Olkiewicz; V. M. Ronjin; A. M. Rybin; H. Saarikko; Y. T. M. Saarikko; L. Scholten; O. G. Tchikilev; L. A. Tikhonova; A. G. Tomaradze

Physics Letters B | 1987

Indication of an onset of hard-like effects in K+p, π+p and pp collisions at 250 GeV/c: EHS/NA22 Collaboration Aachen-Antwerp/Brussel-Berlin (Zeuthen)-Helsinki-Cracow-Moscow-Nijmegen-Rio de Janeiro- Serpukhov-Warsaw-Yerevan

I. V. Ajinenko; Yu. Belokopytov; H. Bialkowska; H. Böttcher; P. Chliapnikov; F. Crijns; A. De Roeck; E.A. de Wolf; K. Dziunikowska; A.M.F. Endler; G. V. Gevorkyan; Yu. A. Golubkov; H. Graessler; H. Gulkanyan; P. van Hal; J. K. Karamyan; H.H. Kaufmann; W. Kittel; M. Kowalski; E.V. Krutchenko; A. I. Kurnosenko; B.B. Levchenko; F. Meijers; A. B. Michalowska; V. I. Nikolaenko; L.C.S. Oliveira; K. Olkiewicz; E. Riipinen; V. M. Ronjin; A. M. Rybin

\bar K^{*0} (892)

Physics Letters B | 1987

π+p and K+p elastic scattering at 250 GeV/c

M. Adamus; I. V. Ajinenko; N. M. Agababyan; Yu. A. Belokopytov; H. Böttcher; P. Chliapnikov; F. Crijns; A. De Roeck; E. A. De Wolf; K. Dziunikowska; V.G. Gavrjusev; A.M.F. Endler; G. V. Gevorkyan; H. Grässler; P. van Hal; W. Kittel; Z. A. Kirakosyan; D. Kisielewska; J. Klugow; A. I. Kurnosenko; F. Meijers; A. B. Michalowska; V. I. Nikolaenko; L.C.S. Oliveira; K. Olkiewicz; L.P. Petrovykh; E. Riipinen; H.E. Roloff; V. M. Ronjin; A. M. Rybin

European Physical Journal C | 1989

Multiplicity distribution inK+ Al andK+ Au collisions at 250 GeV/c and a test of the multiple collision model

I. V. Ajinenko; Yu. A. Belokopytoy; H. Bialkowska; H. Boettcher; F. Bottorweck; P. Chliapnikov; F. Crijns; A. De Roeck; E. A. De Wolf; K. Dziunikowska; A.M.F. Endler; A. Eskreys; Z. C. Garutchava; Yu. A. Golubkov; H. Graessler; G. R. Gulkanyan; P. van Hal; R. Sh. Hakobyan; T. Haupt; W. Kittel; D. Kisielewska; B.B. Levchenko; F. Meijers; A. B. Michalowska; Th. Naumann; V. I. Nikolaenko; K. Olkiewicz; B. Pawlik; L. P. Petrovikh; R. Pöllänen

andK*0 (892) inclusive production in π+p interactions at 250 GeV/c, for ρ+,

European Physical Journal C | 1989

Strange and non-strange baryon production in π+p andK+p interactions at 250 GeV/c

I. V. Ajinenko; M. R. Atayan; Yu. Belokopytov; H. Boettcher; F. Botterweck; P. Chliapnikov; F. Crijns; A. De Roeck; E. A. De Wolf; K. Dziunikowska; A.M.F. Endler; A. Eskreys; Z. C. Garutchava; Yu. A. Golubkov; N. G. Grigoryan; P. van Hal; T. Haupt; W. Kittel; B.B. Levchenko; F. Meijers; A. B. Michalowska; V. I. Nikolaenko; K. Olkiewicz; R. Pöllänen; L. P. Petrovikh; V. M. Ronjin; R. Rosmalen; A. M. Rybin; H. Saarikko; L. Scholten

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