A study of three-jet events at the CERN $$\bar pp$$ collider | Zendy

J. A. Appel | Zendy; P. Bagnaia | Zendy; M. Banner | Zendy; R. Battiston | Zendy; K. Bernlöhr | Zendy; K. Borer | Zendy; M. Borghini | Zendy; J.D. Burger | Zendy; G. Carboni | Zendy; V. Cavasinni | Zendy; P. Cenci | Zendy; J.C. Chollet | Zendy; A. Clark | Zendy; A. Codino | Zendy; C. Conta | Zendy; P. Darriulat | Zendy; B. De Lotto | Zendy; T. Del Prete | Zendy; L. Di Lella | Zendy; J. Dines-Hansen | Zendy; K. Einsweiler | Zendy; R. Engelmann | Zendy; L. Fayard | Zendy; M. Fraternali | Zendy; D. Froidevaux | Zendy; J.-M. Gaillard | Zendy; O. Gildemeister | Zendy; V.G. Goggi | Zendy; C. Gößling | Zendy; B. Hahn | Zendy; H. Hänni | Zendy; P. H. Hansen | Zendy; N. Harnew | Zendy; T. Himel | Zendy; L. Iconomidou-Fayard | Zendy; K. Jakobs | Zendy; P. Jenni | Zendy; E.-E. Kluge | Zendy; O. Kofoed-Hansen | Zendy; E. Lançon | Zendy; M. Livan | Zendy; S. Loucatos | Zendy; B. Madsen | Zendy; P. Mani | Zendy; B. Mansoulié | Zendy; G.C. Mantovani | Zendy; L. Mapelli | Zendy; K. Meier | Zendy; B. Merkel | Zendy; R. Møllerud | Zendy; M. Moniez | Zendy; R. Moning | Zendy; M. Morganti | Zendy; C. Onions | Zendy; M. A. Parker | Zendy; G. Parrour | Zendy; F. Pastore | Zendy; M. Pepé | Zendy; H. Plothow-Besch | Zendy; M. Polverel | Zendy; J.P. Repellin | Zendy; A. Rimoldi | Zendy; A. Rothenberg | Zendy; A. Roussarie | Zendy; V. Ruhlmann | Zendy; G. Sauvage | Zendy; J. Schacher | Zendy; M. Schlötelburg | Zendy; F. Stocker | Zendy; M. Swartz | Zendy; J. Teiger | Zendy; S.N. Tovey | Zendy; W.Y. Tsang | Zendy; M. Valdata-Nappi | Zendy; V. Vercesi | Zendy; A. R. Weidberg | Zendy; M. Wunsch | Zendy; H. Zaccone | Zendy

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A study of three-jet events at the CERN $$\bar pp$$ collider

Author(s) -

J. A. Appel,

P. Bagnaia,

M. Banner,

R. Battiston,

K. Bernlöhr,

K. Borer,

M. Borghini,

J.D. Burger,

G. Carboni,

V. Cavasinni,

P. Cenci,

J.C. Chollet,

A. Clark,

A. Codino,

C. Conta,

P. Darriulat,

B. De Lotto,

T. Del Prete,

L. Di Lella,

J. Dines-Hansen,

K. Einsweiler,

R. Engelmann,

L. Fayard,

M. Fraternali,

D. Froidevaux,

J.-M. Gaillard,

O. Gildemeister,

V.G. Goggi,

C. Gößling,

B. Hahn,

H. Hänni,

P. H. Hansen,

N. Harnew,

T. Himel,

L. Iconomidou-Fayard,

K. Jakobs,

P. Jenni,

E.-E. Kluge,

O. Kofoed-Hansen,

E. Lançon,

M. Livan,

S. Loucatos,

B. Madsen,

P. Mani,

B. Mansoulié,

G.C. Mantovani,

L. Mapelli,

K. Meier,

B. Merkel,

R. Møllerud,

M. Moniez,

R. Moning,

M. Morganti,

C. Onions,

M. A. Parker,

G. Parrour,

F. Pastore,

M. Pepé,

H. Plothow-Besch,

M. Polverel,

J.P. Repellin,

A. Rimoldi,

A. Rothenberg,

A. Roussarie,

V. Ruhlmann,

G. Sauvage,

J. Schacher,

M. Schlötelburg,

F. Stocker,

M. Swartz,

J. Teiger,

S.N. Tovey,

W.Y. Tsang,

M. Valdata-Nappi,

V. Vercesi,

A. R. Weidberg,

M. Wunsch,

H. Zaccone

Publication year - 1986

Publication title -

zeitschrift für physik c

Language(s) - English

Resource type - Journals

eISSN - 1431-5858

pISSN - 0170-9739

DOI - 10.1007/bf01557598

Subject(s) - physics , large hadron collider , collider , jet (fluid) , particle physics , bar (unit) , quantum chromodynamics , bremsstrahlung , gluon , nuclear physics , coupling (piping) , mechanics , engineering , mechanical engineering , meteorology , electron

The UA2 experiment, running at the CERN SPS {Mathematical expression} Collider, has performed a study of events containing three hard jets in the final state. The angular distributions of the three jets show evidence for gluon bremsstrahlung, in good agreement with a QCD model to leading order in the strong coupling constant αs. The yield of three-jet events relative to that of two-jet events provides a measure of the strong coupling constant: ;3K3/K2=0.23±0.01±0.04, where K2 and K3 represent the contributions arising from higher order corrections in α3 to the two- and three-jet exclusive cross-sections. A detailed discussion of the systematic and theoretical uncertainties is given. © 1986 Springer-Verlag

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