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Featured researches published by R.E. Ansorge.


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


Magnetic Resonance in Medicine | 2005

Inference of multiple fiber orientations in high angular resolution diffusion imaging

Tim P. Hosey; Guy Darvall Williams; R.E. Ansorge


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

\sqrt s


Technology in Cancer Research & Treatment | 2006

Development of a Combined microPET®-MR System

A.J. Lucas; Rob C. Hawkes; R.E. Ansorge; Guy B. Williams; Robert E. Nutt; John C. Clark; Tim D. Fryer; T. A. Carpenter


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

=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 | 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 | 1988

Performance of a scintillating fibre detector for the UA2 upgrade

R.E. Ansorge; C. Aurouet; P. Bareyre; P. Bonamy; C.N. Booth; M. Bouchard; Michel Bourdinaud; M. Cordier; J. Crittenden; J. Dupont; J. Dupraz; K. Einsweiler; C. Engster; J.P. Fabre; J.M. Gaillard; J-L. Garavel; K. Hultqvist; C. Jeanney; S.G. Katvars; M. Lefebvre; L. Linssen; B. McCluskey; B. Merkel; J. Meyer; D.J. Munday; P. Nappey; J.M. Pentney; S. Reynaud; J.G. Rushbrooke; J-C. Thevenin

\sqrt s


The Journal of Nuclear Medicine | 2011

Attenuation Correction Methods Suitable for Brain Imaging with a PET/MRI Scanner: A Comparison of Tissue Atlas and Template Attenuation Map Approaches

Ian B. Malone; R.E. Ansorge; Guy B. Williams; Peter J. Nestor; T. Adrian Carpenter; Tim D. Fryer


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

=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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C.N. Booth

University of Sheffield

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William Wray Neale

St John's Innovation Centre

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D.J. Munday

University of Cambridge

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J. R. Carter

University of California

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