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Featured researches published by D. Fernandes.


Physical Review Letters | 1990

Determination of ±s from a differential-jet-multiplicity distribution in e+e- collisions at ss =29 and 91 GeV

S. Komamiya; Le Diberder F; G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; B. Barish; T. Barklow; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; P. R. Burchat; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. D. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; R. Elia

We measured the differential jet-multiplicity distribution in {ital e}{sup +}{ital e}{sup {minus}} annihilation with the Mark II detector. This distribution is compared with the second-order QCD prediction and {alpha}{sub {ital s}} is determined to be 0.123{plus minus}0.009{plus minus}0.005 at {radical}{ital s}{approx}{ital M}{sub {ital Z}} (at the SLAC Linear Collider) and 0.149{plus minus}0.002{plus minus}0.007 at {radical}{ital s}=29 GeV (at the SLAC storage ring PEP). The running of {alpha}{sub {ital s}} between these two center-of-mass energies is consistent with the QCD prediction.


Physical Review Letters | 1990

Determination of. alpha. sub s from a differential-jet-multiplicity distribution in e sup + e sup minus collisions at radical s =29 and 91 GeV

S. Komamiya; F. Le Diberder; G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; B. Barish; T. Barklow; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; P. R. Burchat; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. D. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; R. Elia

We measured the differential jet-multiplicity distribution in {ital e}{sup +}{ital e}{sup {minus}} annihilation with the Mark II detector. This distribution is compared with the second-order QCD prediction and {alpha}{sub {ital s}} is determined to be 0.123{plus minus}0.009{plus minus}0.005 at {radical}{ital s}{approx}{ital M}{sub {ital Z}} (at the SLAC Linear Collider) and 0.149{plus minus}0.002{plus minus}0.007 at {radical}{ital s}=29 GeV (at the SLAC storage ring PEP). The running of {alpha}{sub {ital s}} between these two center-of-mass energies is consistent with the QCD prediction.


Physical Review Letters | 1990

Measurements of charged-particle inclusive distributions in hadronic decays of the Z boson.

G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; B. Barish; T. Barklow; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; P. R. Burchat; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. D. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; R. Elia; G.J. Feldman; D. Fernandes


Physical Review Letters | 1990

Measurement of the bb fraction in hadronic Z decays

J.F. Kral; G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; B. Barish; T. Barklow; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; P. R. Burchat; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. D. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; R. Elia; G.J. Feldman


Physical Review Letters | 1990

Search for doubly charged Higgs scalars in Z decay

M. Swartz; G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; Barry C. Barish; T. Barklow; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; P. R. Burchat; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. D. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; R. Elia; G.J. Feldman


Physical Review Letters | 1990

Searches for supersymmetric particles produced in Z-boson decay.

T. Barklow; G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; Barry C. Barish; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; P. R. Burchat; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. D. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; R. Elia; G.J. Feldman; D. Fernandes


Physical Review Letters | 1990

Direct search for pair production of heavy stable charged particles in Z decays

E. Soderstrom; J. A. McKenna; G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; B. Barish; T. Barklow; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; P. R. Burchat; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. D. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; R. Elia


Physical Review Letters | 1990

Search for Long-Lived Massive Neutrinos in Z Decays

C. Jung; R. Van Kooten; G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; B. Barish; T. Barklow; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; P. R. Burchat; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. D. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; R. Elia


Physical Review Letters | 1990

Search for nonminimal neutral Higgs bosons from Z-boson decays

S. Komamiya; G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; B. Barish; T. Barklow; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; P. R. Burchat; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. D. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; R. Elia; G.J. Feldman


Physical Review D | 1990

Search for decays of the Z to unstable neutral leptons with mass between 2.5 and 22 GeV.

P. R. Burchat; M. King; G. S. Abrams; C.E. Adolphsen; D. Averill; J. Ballam; B. Barish; T. Barklow; B. A. Barnett; J. Bartelt; S. Bethke; D. Blockus; G. Bonvicini; A. M. Boyarski; B. Brabson; A. Breakstone; F. Bulos; D. L. Burke; R. J. Cence; J. Chapman; M. Chmeissani; D. Cords; D. P. Coupal; P. Dauncey; H. DeStaebler; D. E. Dorfan; J. Dorfan; D.C. Drewer; Elia R; G.J. Feldman

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B. A. Barnett

Johns Hopkins University

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D.C. Drewer

Johns Hopkins University

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B. Brabson

Indiana University Bloomington

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C.E. Adolphsen

University of California

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D. Averill

Indiana University Bloomington

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D. Blockus

Indiana University Bloomington

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D. E. Dorfan

University of California

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