Measurement of Three-Jet Distributions Sensitive to the Gluon Spin in e+e- Annihilations

@inproceedings{Alexander2017MeasurementOT,
  title={Measurement of Three-Jet Distributions Sensitive to the Gluon Spin in e+e- Annihilations},
  author={G. Fletcher Alexander and Jon Craig Allison and P. P. Allports and Kristen Julia Anderson and Silvia Arcelli and John C. Armitage and Peter Shaw Ashton and Anthony Astbury and David Axen and Georges Pinhas Azuelos and Graham Bahan and J. T. M. Baines and Austin H. Ball and Jess Banks and Gareth J. Barker and Rebecca Jo Barlow and J. R. Batleys and Gr{\'e}goire Beaudoin and A. BecP and Juliette C. Becker and Torsten Behnke and Kenneth W. Bell and Gino Bella and Siegfried Bethke and 0. and Biebel and Ulrike Binder and Ian J Bloodworth and Prezemek Bock and Harrie C. M. van den Bosch and S. Bougerolle and Bennet Bristol Brabson and Horst Breuker and Russell M. Brown and R. M. Al{\'a}s Brun and Adriaan Buijs and H. J. Burckhart and P. Capiluppi and Robert Kraut Carnegie and Arthur A. Carter and J. R. Carters and Catherine Chang and J. T. M. Chrin and P. E. L. Clarke and Iuliana Cohen and W. J. Collinss and Joseph Edward Conboy and Molly M. Cooper and Marion Everett Couch and Michelle Coupland and Marco Cuffiani and Shlomo Dado and Giuseppe Dallavalle and Sijbrand Jan de Jong and Pascal Debu and Maria Maddalena Deninno and Arne Dieckmann and Michael Dittmar and Madhu S. Dixit and Ehud Duchovni and G{\"u}nter Duckeck and I. P. Duerdoth and David Paul Dumas and Geofrey E Eckerlin and P. A. Elcombes and PG. Estabrooks and Erez Etzion and Federica Fabbri and Margret Fincke-Keeler and Heidi Fischer and Darlene Fong and Chigusa Fukunaga and Aline Gaidot and Ganel and James Gary and Jemuel Gascon and Robin Mcgowan and Nadine Geddes and Ch. Geich-Gimbel and Stuart Gensler and F. X. Gentit and Giovanni Giacomelli and V. Gibsons and William P. R. Gibson and John D Gillies and J. Philip Goldberg and M. J. Goodricks and W. Gorn C. Grandi and Einav Gross and Jonas Hagemann and Gail G. Hanson and M. Hansrou and C. K. Hargrove and Peter Francis Harrison and Jan Jaap Harts and P. M. Hattersley and Maya Hauschild and Christopher Hawkes and Elizabeth Heflin and Richard J. Hemingway and Rosalie Heuer and Jocelyn Hills and Stephen James Hillier and Dean Alan Hinshaw and Christian M. Ho and J. David Hobbs and P. R. Hobson and David. Hochman and Berry Holl and Ronald J. Homer and Shuhai Hou and Caitlin Howarth and R. Hughes-Jones and Richard Humbert and Peter Igo-Kemenes and Hamzaoui Ihssen and Diane Imrie and L. Janissen and Abolhassan Jawahery and Paul Jeffreys and Hamel Charles Jeremie and Martin Paul Jimack and Michelle Jobes and R. W. L. Jones and Peter Jovanovi{\'c} and Dl Karlen and Kenichi Kawagoe and Tatsuro Kawamoto and R. K. Keeler and Rachel Kellogg and Bruce W. Kennedy and Claus Kleinwort and Dan E. Klem and Tetsuya Kobayashi and Thomas Kokott and Sachio Komamiya and Roger Kowalewski and Hermann Kreutzmann and Jeremy Krogh and Josiane Kroll and Masayoshi Kuwano and Paul Kyberd and George Lafferty and François Lamarche and ' W.J.LarsonJ.G.Layter and Peiming Du and Philippe Leblanc and Aaron M. Lee and Maili Lehto and Daniel Lellouch and Pablo Lennert and Corentin Leroy and 1. Lessard and S. Levegriin and Levinson and Suzanne Lloyd and Frederick Loebinger and Julie Lorah and Bernard Lorazo and Mair{\'e}ad Losty and Xiaochu Lou and Judith A. Ludwig and Massimo Mannelli and Silvana Susko Marcellini and Georg Maringer and A-G. Martin and Joshua Paul Martin and Tetsuro Mashimo and Peter Mattig and Ursula Maur and T. J. McMahonl and Jack Mcnutt and Frans Meijers and D. Menszner and Frederick S. Merritt and H. M. Mes and Alberto Michelini and Raymond Middleton and Giora Mikenberg and James Mildenberger and Daniel J. Miller and Caroline Milstene and Ronen Mir and Wiebke Mohr and Camille Moisan and Andrea Montanari and M. William Moss and Th. Mouthuy and Peter G. Murphy and Bernd Nellen and Hoi H. Nguyen and Mitsuaki Nozaki and ' B.P.O'Neill and F. G. Oakham and Fabrizio Odorici and Malcolm Ogg and Harold Ogren and Haruki Oh and C. J. Orame and Mark Joseph Oreglia and Shūji Orito and Jean Pierre Pansart and Bernd Panzer-Steindel and P. Paschievici and Glen N. Patrick and Susannah Pawley and Pierre-Daniel Pfister and James Evelyn Pilcher and James L. Pinfold and David. Plane and Paul Richard Poffenberger and Barbara De Poli and A. Pouladdej and Eric Jon Prebys and Trystan Pritchard and H. Przysiezniak and G{\"u}nter Quast and M. William Redmond and D. Ll. L. Rees and Shalley A Robins and Douglas B. Robinson and A. RollniP and John Michael Roney and Siri Rossberg and Antonella M. Rossi and P. Routenburg and K. J. Runge and Runolfsson and David Reuel Rust and Simon Sanghera and Munetaka Sasaki and A. D. Schaile and Schaile and Warren Schappert and P. Scharff-Hansen and P. H. T. Schenk and Henrietta D{\'e}r and Schmitt and S. Schreiber and Jodi Schwarz and William Guy Scott and Markus Settles and Benjamin Ching-Chun Shen and Paul Sherwood and R. Shypit and Anthony Joe Simon and Prit Pal Singh and Gian Piero Siroli and Agnija Skuja and Apollo M. O. Smith and Tracy J. Smith and Glenn A. Snow and Randall J. Sobie and Robert William Springer and Michael Sproston and Katie Stephens and Heike Stier and Derek Axel Strom and Hiroygbri Takeda and Toshihide Takeshita and Paul Taras and Shlomit Tarem and Pedro Teixeira-Dias and N. J. Thackrayl and Takehiko Tsukamoto and G. Tysarczyk-Niemeyer and Dave Van den Plas and Richard J. Van Kooten and G. J. Vandalen and Gael Vasseur and Clarence J. Virtue and Andreas Wagner and Christopher Loren Wahl and Jeffrey P. Walker and Porshaye Watkins and AlanR. Watson and Nigel Watson and Marcus O. Weber and Sarah Weisz and Pippa S. Wells and Norbert Wermes and Markus Weymann and Michael G. A. Wilson and J. A. Wilson I. Wingerter},
  year={2017}
}
Three-jet variables constructed from multi-hadronic events produced by Z0 decays are compared to theoretical calculations assuming a vector gluon or a hypothetical scalar gluon. The data yield conclusive direct evidence for the former case. The distributions of the reduced energy of the second-most energetic jet and of the cosine of the Ellis-Karliner angle are chosen to demonstrate this effect. (Submitted to Zeitschrift f. Physik C) G.Alexander , J.Allison , P.P.Allports, K.J.Anderson9 , S… CONTINUE READING

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