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Featured researches published by J. Gaudaen.


Physics Letters B | 1985

Multiplicity distributions in different pseudorapidity intervals at a CMS energy of 540 GeV

G.J. Alner; C.N. Booth; K. Jon-And; C. Geich-Gimbel; F. Triantis; H. Schmickler; G. Wilquet; G. Ekspong; K. von Holt; R. Hospes; P. Carlson; J.E.V. Ovens; J.P. Fabre; T.O. White; R.S. DeWolf; N. Yamdagni; Ioannis Evangelou; K.A. French; D. Johnson; C. P. Ward; M. Gijsen; T. Muller; L. Burow; K. Alpgard; D.J. Munday; L. Van hamme; M. Langer; J. Gaudaen; B. Eckart; R. Meinke

Abstract Multiplicity distributions of charged particles for inelastic, non single-diffractive events in proton-antiproton collisions at a centre of mass energy of 540 GeV are presented for various pseudorapidity (Δη) intervals. The widths of the multiplicity distributions, scaled to their means, increase as Δη is made smaller, and the deviation from a Poisson distribution becomes progressively more pronounced. It is found that the data are remarkably well described by a negative binomial distribution. The parameters of the distributions vary smoothly with the size of the acceptance interval.


European Physical Journal C | 1986

Scaling of Pseudorapidity Distributions at c.m. Energies up to 0.9 TeV

G.J. Alner; R.E. Ansorge; B. Åsman; C.N. Booth; L. Burow; P. Carlson; R.S. DeWolf; A. Drees; B. Eckart; G. Ekspong; Ioannis Evangelou; A. Eyring; J.P. Fabre; C. Fuglesang; J. Gaudaen; C. Geich-Gimbel; B. Holl; R. Hospes; D. Johnson; K. Jon-And; F. Lotse; N. Manthos; R. Meinke; D.J. Munday; J.E.V. Ovens; W. Pelzer; J. J. Reidy; J. C. Rushbrooke; H. Schmickler; F. Triantis

AbstractNew data are presented on charged particle pseudorapidity distributions for inelastic events produced at c.m. energies


European Physical Journal C | 1989

Charged particle multiplicity distributions at 200 and 900 GeV c.m. energy

R.E. Ansorge; B. Åsman; L. Burow; P. Carlson; R.S. DeWolf; B. Eckart; G. Ekspong; Ioannis Evangelou; C. Fuglesang; J. Gaudaen; C. Geich-Gimbel; B. Holl; K. Jon-And; F. Lotse; N. Manthos; D.J. Munday; W. Pelzer; J.G. Rushbrooke; F. Triantis; L. Van hamme; C. Walck; C. P. Ward; D. R. Ward; C. J. S. Webber; T.O. White; G. Wilquet; N. Yamdagni


Physics Letters B | 1985

A new empirical regularity for multiplicity distributions in place of KNO scaling

G.J. Alner; C.N. Booth; K. Jon-And; C. Geich-Gimbel; F. Triantis; H. Schmickler; G. Wilquet; G. Ekspong; K. von Holt; R. Hospes; P. Carlson; J.E.V. Ovens; J.P. Fabre; T.O. White; R.S. DeWolf; N. Yamdagni; Ioannis Evangelou; K.A. French; D. Johnson; C. P. Ward; M. Gijsen; T. Muller; L. Burow; K. Alpgard; D.J. Munday; L. Van hamme; M. Langer; J. Gaudaen; B. Eckart; R. Meinke

\sqrt s


Physics Letters B | 1986

Scaling violations in multiplicity distributions at 200 and 900 GeV

G.J. Alner; R.E. Ansorge; B. Åsman; K. Böckmann; C.N. Booth; L. Burow; P. Carlson; C. Declercq; R.S. DeWolf; B. Eckart; G. Ekspong; Ioannis Evangelou; A. Eyring; J.P. Fabre; L. Frobel; C. Fuglesang; J. Gaudaen; C. Geich-Gimbel; G. von Holtey; R. Hospes; K. Jon-And; Th. Kokott; F. Lotse; N. Manthos; R. Meinke; D.J. Munday; J.E.V. Ovens; W. Pelzer; J. J. Reidy; J.G. Rushbrooke


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1992

High flux operation of microstrip gas chambers on glass and plastic supports

R. Bouclier; J.J. Florent; J. Gaudaen; G. Millon; A. Pasta; L. Ropelewski; F. Sauli; L. Shekhtman

=200 and 900 GeV. The data were obtained at the CERN antiproton-proton Collider operated in a new pulsed mode. The rise of the central density ρ(0) at energies up to


Physics Letters B | 1981

First results on complete events from pp collisions at the cm energy of 540 GeV.

K. Alpgard; C.N. Booth; K. Jon-And; F. Triantis; Daniel Bertrand; G. Ekspong; K. von Holt; R. Hospes; Y. Saarikko; P. Carlson; T.O. White; A. Odian; J.P. Fabre; M.N. Maggs; N. Yamdagni; Anthony Weidberg; K.A. French; D. Johnson; M. Rosenberg; M. Gijsen; T. Muller; L. Burow; D.J. Munday; R.E.S. Berglund; G. Weber; J. R. Carter; J. Gaudaen; B. Eckart; C. Buffam; R. Meinke


Physics Letters B | 1983

Particle multiplicities in pp interactions at √s=540 GeV

K. Alpgard; R.E. Ansorge; B. Åsman; S. Berglund; K. Berkelman; Daniel Bertrand; K. Böckmann; C.N. Booth; C. Buffam; L. Burow; P. Carlson; J.L. Chevalley; B. Eckart; G. Ekspong; Ioannis Evangelou; J.P. Fabre; K.A. French; J. Gaudaen; M. Gijsen; K. von Holt; R. Hospes; D. Johnson; K. Jon-And; Th. Kokott; R. Mackenzie; M.N. Maggs; R. Meinke; T. Muller; H. Mulkens; D.J. Munday

\sqrt s


Physics Letters B | 1982

Production of photons and search for Centauro events at the SPS collider

K. Alpgard; R.E. Ansorge; B. Åsman; S. Berglund; K. Berkelman; D. Bertrand; K. Böckmann; C.N. Booth; C. Buffam; L. Burow; P. Carlson; J.L. Chevalley; B. Eckart; G. Ekspong; Ioannis Evangelou; J.P. Fabre; K.A. French; J. Gaudaen; M. Gysen; K. von Holt; R. Hospes; D. Johnson; K. Jon-And; Th. Kokott; R. Mackenzie; M.N. Maggs; R. Meinke; T. Muller; H. Mulkens; D.J. Munday


Nuclear Physics | 1985

Kaon Production in

G.J. Alner; C.N. Booth; K. Jon-And; C. Fuglesang; F. Triantis; H. Schmickler; G. Wilquet; G. Ekspong; K. von Holt; R. Hospes; P. Carlson; C. Geich-Gimbel; J.P. Fabre; T.O. White; R.S. DeWolf; F. Lotse; N. Yamdagni; Ioannis Evangelou; K.A. French; D. Johnson; C. P. Ward; M. Gijsen; T. Muller; L. Burow; K. Alpgard; D.J. Munday; L. Van hamme; M. Langer; J. Gaudaen; B. Eckart

=900 GeV has been studied. A new form of central region scaling is found involving the densityρn(0) for charged multiplicityn, namely that the scaled central densityρn(0)/ρ(0) expressed as a function ofz=n/〈n〉 is independent ofs. Scaling in the fragmentation region holds to 10–20%, and the small amount of scalebreaking observed here could be accommodated within the framework suggested by Wdowcyk and Wolfendale to account for both accelerator and cosmic ray data.

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D.J. Munday

University of Cambridge

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C.N. Booth

University of Sheffield

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