G. E. Forden
Indiana University Bloomington
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Featured researches published by G. E. Forden.
Physics Letters B | 1984
M. Derrick; E. Fernandez; R. Fries; L. Hyman; P. Kooijman; J. S. Loos; B. Musgrave; L. E. Price; J. L. Schlereth; K. Sugano; J.M. Weiss; D.E. Wood; S. Ahlen; G. Baranko; P. Baringer; D. Blockus; B. Brabson; M. Daigo; G. E. Forden; S.W. Gray; J.-P. Guillaud; C. Jung; H. A. Neal; H. Ogren; D. R. Rust; M. Valdata-Nappi; C. Akerlof; J. Chapman; D. Errede; N. Harnew
Abstract The electroweak production asymmetry and the decay fragmentation function for e + e − → c c have been measured at s = 29 GeV using charged D ∗ production over the full kinematic range. The data were taken at PEP using the High Resolution Spectrometer. The measured asymmetry is −0.12 ± 0.08. The total production cross section in units of the point cross section corrected for initial state radiation is R D ∗ = 2.7 ± 0.9 .
Physics Letters B | 1985
K. K. Gan; I. Beltrami; B.G. Bylsma; R. DeBonte; D. Koltick; F. J. Loeffler; E. H. Low; R. L. McIlwain; D. H. Miller; C. R. Ng; P. P. Ong; L.K. Rangan; E. I. Shibata; R.J. Wilson; M. Derrick; E. Fernandez; R. Fries; L. Hyman; P. Kooijman; J. S. Loos; B. Musgrave; L. E. Price; J. L. Schlereth; K. Sugano; J.M. Weiss; D.E. Wood; G. Baranko; P. Baringer; D. Blockus; B. Brabson
Abstract The reaction e+e− → τ+τ− has been measured using the high resolution spectrometer at PEP. The angular distribution shows a forward-backward asymmetry of −(6.1±2.3±0.5)%, corresponding to an axial-vector coupling if gaτgae = 0.28 ±0.11± 0.03, in good agreement with the standard model of electroweak interactions. The measured cross section yields ifRττ = 1.10± 0.03±0.04, consistent with QED and giving QED cutoff parameters of Λ+>92 GeV and Λ−>246 GeV at 95% C.L.
Physics Letters B | 1985
C. Akerlof; G. Bonvicini; J. Chapman; D. Errede; N. Harnew; P. Kesten; S. Kooijman; D.I. Meyer; D. Nitz; A.A. Seidl; R. P. Thun; T. Trinko; M. Willutzky; M. Derrick; E. Fernandez; R. Fries; L.G. Hyman; P. Kooijman; J. S. Loos; B. Musgrave; Lawrence Price; James Schlereth; K. Sugano; J.M. Weiss; D.E. Wood; G. Baranko; P. Baringer; D. Blockus; B. Brabson; G. E. Forden
Abstract A search was made for e + e − →X 1 X 2 where X 1 consists of one or more light unobservable particles and X 2 decays promptly to a visible jet of particles. One event was found for an integrated luminosity of 176 pb −1 , a rate consistent with known backgrounds. This result places a significant constraint on a number of theoretical models.
Physics Letters B | 1984
D. Errede; C. Akerlof; J. Chapman; N. Harnew; P. Kesten; S. Kooijman; D. I. Meyer; D. Nitz; A.A. Seidl; R. P. Thun; T. Trinko; M. Willutzky; M. Derrick; E. Fernandez; R. Fries; L. Hyman; P. Kooijman; J. S. Loos; B. Musgrave; L. E. Price; J. L. Schlereth; K. Sugano; J.M. Weiss; D.E. Wood; S. Ahlen; G. Baranko; P. Baringer; D. Blockus; B. Brabson; M. Daigo
Abstract A search was made in 29 GeV e+e− annihilations for heavy, neutral leptons decaying to e±X∓(ν), where X is a muon or charged meson. Six events with isolated e±X∓ pairs were found for an intergrated luminosity of 106 pb−1. The expected background is 5.5 ± 2.2 events. Limits on σ s B depend on mass and range from 8 to 20 × 10−5 nb.
Physics Letters B | 1985
K. K. Gan; C. Jung; B. Cork; D.E. Wood; N. Harnew; G. Baranko; R. P. Thun; L. Hyman; P. Kooijman; M. Willutzky; D. Koltick; A.A. Seidl; L. E. Price; E. H. Low; J.M. Weiss; K. Sugano; E. Fernandez; D. I. Meyer; R.J. Wilson; J. L. Schlereth; R. L. McIlwain; M. Valdata-Nappi; P. P. Ong; Jaroslav Va'vra; C. R. Ng; G. Bonvicini; E. I. Shibata; L. Keller; T. Trinko; S.W. Gray
Abstract The reaction e+e− → τ+τ− has been measured using the high resolution spectrometer at PEP. The angular distribution shows a forward-backward asymmetry of −(6.1±2.3±0.5)%, corresponding to an axial-vector coupling if gaτgae = 0.28 ±0.11± 0.03, in good agreement with the standard model of electroweak interactions. The measured cross section yields ifRττ = 1.10± 0.03±0.04, consistent with QED and giving QED cutoff parameters of Λ+>92 GeV and Λ−>246 GeV at 95% C.L.
Physical Review D | 1985
M. Derrick; E. Fernandez; R. Fries; L. Hyman; P. Kooijman; J. S. Loos; B. Musgrave; L. E. Price; J. L. Schlereth; K. Sugano; J.M. Weiss; D.E. Wood; Steven Ahlen; G. Baranko; P. Baringer; D. Blockus; B. Brabson; M. Daigo; G. E. Forden; S.W. Gray; J.-P. Guillaud; C. Jung; H. A. Neal; H. Ogren; D. R. Rust; M. Valdata-Nappi; C. Akerlof; J. Chapman; D. Errede; N. Harnew
We have measured the processe/sup +/e/sup -/..--> mu../sup +/..mu../sup -/ at ..sqrt..s = 29 GeV using the High Resolution Spectrometer at SLAC PEP. The forward-backward charge asymmetry is A/sub mumu/ = -(4.9 +- 1.5 +- 0.5)% based on 5057 events. A subsample of 3488 ..mu../sup +/..mu../sup -/ events in the angular range Vertical BarcosthetaVertical Bar 170 GeV and ..lambda../sub -/>146 GeV at 95% C.L.
Physical Review D | 1985
M. Derrick; E. Fernandez; R. Fries; L. Hyman; P. Kooijman; J. S. Loos; B. Musgrave; L. E. Price; J. L. Schlereth; K. Sugano; J.M. Weiss; D.E. Wood; Steven Ahlen; G. Baranko; P. Baringer; D. Blockus; B. Brabson; M. Daigo; G. E. Forden; S.W. Gray; J.-P. Guillaud; C. Jung; H. A. Neal; H. Ogren; D. R. Rust; M. Valdata-Nappi; C. Akerlof; J. Chapman; D. Errede; N. Harnew
We have measured the processe/sup +/e/sup -/..--> mu../sup +/..mu../sup -/ at ..sqrt..s = 29 GeV using the High Resolution Spectrometer at SLAC PEP. The forward-backward charge asymmetry is A/sub mumu/ = -(4.9 +- 1.5 +- 0.5)% based on 5057 events. A subsample of 3488 ..mu../sup +/..mu../sup -/ events in the angular range Vertical BarcosthetaVertical Bar 170 GeV and ..lambda../sub -/>146 GeV at 95% C.L.
Physical Review D | 1985
M. Derrick; C. Jung; B. Cork; D.E. Wood; N. Harnew; G. Baranko; R. P. Thun; P. Kooijman; M. Willutzky; D. Koltick; A.A. Seidl; L. E. Price; E. H. Low; J.M. Weiss; K. Sugano; E. Fernandez; U. Mallik; D. I. Meyer; B. Brabson; J. L. Schlereth; R. L. McIlwain; E. I. Shibata; R.J. Wilson; M. Valdata-Nappi; P. P. Ong; C. R. Ng; G. Bonvicini; R. DeBonte; L. Keller; B.G. Bylsma
Physical Review Letters | 1984
M. Derrick; E. Fernandez; R. Fries; L. Hyman; P. Kooijman; J. S. Loos; B. Musgrave; L. E. Price; J. L. Schlereth; K. Sugano; J.M. Weiss; D.E. Wood; S. P. Ahlen; G. Baranko; P. Baringer; D. Blockus; B. Brabson; M. Daigo; G. E. Forden; S.W. Gray; J. P. Guilluad; C. Jung; H. A. Neal; H. Ogren; D. R. Rust; M. Valdata-Nappi; C. Akerlof; J. Chapman; D. Errede; N. Harnew
Physical Review Letters | 1985
M. Derrick; E. Fernandez; R. Fries; L. Hyman; P. Kooijman; J. S. Loos; B. Musgrave; L. E. Price; J. L. Schlereth; K. Sugano; J.M. Weiss; D.E. Wood; G. Baranko; P. Baringer; D. Blockus; B. Brabson; G. E. Forden; S.W. Gray; C. Jung; H. A. Neal; H. Ogren; D. R. Rust; M. Valdata-Nappi; C. Akerlof; G. Bonvicini; J. Chapman; D. Errede; N. Harnew; P. Kesten; S. Kooijman
