The charged-particle fractional momentum distribution within jets, D(z), has been measured in dijet events from 1.8-TeV p¯p collisions in the Collider Detector at Fermilab. As expected from scale breaking in quantum chromodynamics, the fragmentation function D(z) falls more steeply as dijet invariant mass increases from 60 to 200 GeV/c2. The average fraction of the jet momentum carried by charged particles is 0.65±0.02(stat)±0.08(syst).
Jet-fragmentation properties in p¯p collisions at √s =1.8 TeV / F. Abe;D. Amidei;G. Apollinari;G. Ascoli;M. Atac;P. Auchincloss;A. Baden;A. Barbaro-Galtieri;V. Barnes;F. Bedeschi;S. Behrends;S. Belforte;G. Bellettini;J. Bellinger;J. Bensinger;A. Beretvas;P. Berge;S. Bertolucci;S. Bhadra;M. Binkley;R. Blair;C. Blocker;J. Bofill;A. Booth;G. Brandenburg;D. Brown;A. Byon;K. Byrum;M. Campbell;R. Carey;W. Carithers;D. Carlsmith;J. Carroll;R. Cashmore;F. Cervelli;K. Chadwick;T. Chapin;G. Chiarelli;W. Chinowsky;S. Cihangir;D. Cline;D. Connor;M. Contreras;J. Cooper;M. Cordelli;M. Curatolo;C. Day;R. DelFabbro;S. Dell’Agnello;M. Dell’Orso;L. DeMortier;T. Devlin;D. DiBitonto;R. Diebold;F. Dittus;A. DiVirgilio;J. Elias;R. Ely;S. Errede;B. Esposito;B. Flaugher;E. Focardi;G. Foster;M. Franklin;J. Freeman;H. Frisch;Y. Fukui;A. Garfinkel;P. Giannetti;N. Giokaris;P. Giromini;L. Gladney;M. Gold;K. Goulianos;C. Grosso-Pilcher;C. Haber;S. Hahn;R. Handler;R. Harris;J. Hauser;T. Hessing;R. Hollebeek;P. Hu;B. Hubbard;P. Hurst;J. Huth;H. Jensen;R. Johnson;U. Joshi;R. Kadel;T. Kamon;S. Kanda;D. Kardelis;I. Karliner;E. Kearns;R. Kephart;P. Kesten;H. Keutelian;S. Kim;L. Kirsch;K. Kondo;U. Kruse;S. Kuhlmann;A. Laasanen;W. Li;T. Liss;N. Lockyer;F. Marchetto;R. Markeloff;L. Markosky;P. McIntyre;A. Menzione;T. Meyer;S. Mikamo;M. Miller;T. Mimashi;S. Miscetti;M. Mishina;S. Miyashita;N. Mondal;S. Mori;Y. Morita;A. Mukherjee;C. Newman-Holmes;L. Nodulman;R. Paoletti;A. Para;J. Patrick;T. Phillips;H. Piekarz;R. Plunkett;L. Pondrom;J. Proudfoot;G. Punzi;D. Quarrie;K. Ragan;G. Redlinger;J. Rhoades;F. Rimondi;L. Ristori;T. Rohaly;A. Roodman;A. Sansoni;R. Sard;V. Scarpine;P. Schlabach;E. Schmidt;P. Schoessow;M. Schub;R. Schwitters;A. Scribano;S. Segler;M. Sekiguchi;P. Sestini;M. Shapiro;M. Sheaff;M. Shibata;M. Shochet;J. Siegrist;P. Sinervo;J. Skarha;D. Smith;F. Snider;R. St.Denis;A. Stefanini;Y. Takaiwa;K. Takikawa;S. Tarem;D. Theriot;A. Tollestrup;G. Tonelli;Y. Tsay;F. Ukegawa;D. Underwood;R. Vidal;R. Wagner;R. Wagner;J. Walsh;T. Watts;R. Webb;T. Westhusing;S. White;A. Wicklund;H. Williams;T. Yamanouchi;A. Yamashita;K. Yasuoka;G. Yeh;J. Yoh;F. Zetti. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - ELETTRONICO. - 65:(1990), pp. 968-971. [10.1103/PhysRevLett.65.968]
Jet-fragmentation properties in p¯p collisions at √s =1.8 TeV
FOCARDI, ETTORE;
1990
Abstract
The charged-particle fractional momentum distribution within jets, D(z), has been measured in dijet events from 1.8-TeV p¯p collisions in the Collider Detector at Fermilab. As expected from scale breaking in quantum chromodynamics, the fragmentation function D(z) falls more steeply as dijet invariant mass increases from 60 to 200 GeV/c2. The average fraction of the jet momentum carried by charged particles is 0.65±0.02(stat)±0.08(syst).I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.