J. A. Jaros
Stanford University
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Featured researches published by J. A. Jaros.
Physics Letters B | 1977
G. Goldhaber; J. E. Wiss; G. S. Abrams; M. S. Alam; A. M. Boyarski; M. Breidenbach; W. Chinowsky; J. Dorfan; G.J. Feldman; G. Hanson; J. A. Jaros; A. D. Johnson; J. A. Kadyk; D. Lüke; V. Luth; H. L. Lynch; R.J. Madaras; H. K. Nguyen; J. M. Paterson; M. Perl; I. Peruzzi; M. Piccolo; F. M. Pierre; T. P. Pun; P. Rapidis; B. Richter; R. H. Schindler; R. F. Schwitters; J. Siegrist; W. Tanenbaum
Abstract We have studied momentum spectra for D0 ( D 0) and D± mesons produced near 4 GeV in e+e− annihilation and find that production is dominated by two-body reactions involving D and D∗ states where the D∗ (charged and neutral) have masses near 2.01 GeV/c2. A detailed study of D momentum spectra near Ecm = 4.028 GeV allows determination of masses and branching ratios of D and D∗ states. Lastly we find that events containing a D0 meson conserve strangeness, thus establishing upper limits on D0- D 0 mixing and on the effects of charm changing neutral currents.
Physics Letters B | 1977
Martin L. Perl; G.L. Feldman; G. S. Abrams; M. S. Alam; A. M. Boyarski; M. Breidenbach; J. Dorfan; W. Chinowsky; G. Goldhaber; G. Hanson; J. A. Jaros; J. A. Kadyk; D. Lüke; V. Luth; R.J. Madaras; H. K. Nguyen; J. M. Paterson; I. Peruzzi; M. Piccolo; T. P. Pun; P. Rapidis; B. Richter; W. Tanenbaum; J. E. Wiss
Abstract The anomalous eμ and 2-prong μx events produced in e + e − annihilation are used to determine the properties of the proposed τ charged lepton. We find the τ mass is 1.90 ± 0.10 GeV/ c 2 ; the mass of the associated neutrino, ν τ , is less than 0.6 GeV/ c 2 with 95% confidence; V - A coupling is favored over V + A coupling for the τ − ν τ current; and the leptonic branching ratios are 0.186 ± 0.010 ± 0.028 from the eμ events and 0.175 ± 0.027 ± 0.030 from the μx events where the first error is statistical and the second is systematic.
Physics Letters B | 1981
J. M. Weiss; G. S. Abrams; M. S. Alam; C.A. Blocker; A. Blondel; A. M. Boyarski; M. Breidenbach; Dl Burke; W.C. Carithers; W. Chinowsky; M. W. Coles; S. Cooper; W.E. Dieterle; J.B. Dillon; J. Dorenbosch; J. Dorfan; M.W. Eaton; G.J. Feldman; Meb Franklin; G. Gidal; G. Goldhaber; G. Hanson; K. Hayes; T. Himel; D.G. Hitlin; R.J. Hollebeek; Wr Innes; J. A. Jaros; P. Jenni; A. D. Johnson
Abstract We have searched 1.4 × 10 6 e + e − annihilation events for particles with 1–3 GeV/ c 2 mass and charge Q = − 2 3 from the processes e + e − →q q X and e + e − → q q . Upper limits of RQ ∼ 10 −4 for each process are presented which improve the previous limits on free quark production in electromagnetic interactions by 2 orders of magnitude.
Physical Review Letters | 1976
G. Goldhaber; F. M. Pierre; G. S. Abrams; M. S. Alam; A. M. Boyarski; M. Breidenbach; W.C. Carithers; W. Chinowsky; S. Cooper; R. DeVoe; J. Dorfan; G.J. Feldman; C. E. Friedberg; D. Fryberger; G. Hanson; J. A. Jaros; A. D. Johnson; J. A. Kadyk; R. R. Larsen; D. Lüke; V. Luth; H. L. Lynch; R.J. Madaras; C. C. Morehouse; H. K. Nguyen; J. M. Paterson; M. Perl; I. Peruzzi; M. Piccolo; T. P. Pun
Physical Review Letters | 1976
I. Peruzzi; M. Piccolo; G.J. Feldman; H. K. Nguyen; J. E. Wiss; G. S. Abrams; M. S. Alam; A. M. Boyarski; M. Breidenbach; W.C. Carithers; W. Chinowsky; R. DeVoe; J. Dorfan; G. E. Fischer; C. E. Friedberg; D. Fryberger; G. Goldhaber; G. Hanson; J. A. Jaros; A. D. Johnson; J. A. Kadyk; R. R. Larsen; D. Lüke; V. Luth; H. L. Lynch; R.J. Madaras; C. C. Morehouse; J. M. Paterson; M. Perl; F. M. Pierre
Physical Review Letters | 1980
G. S. Abrams; Alam; C.A. Blocker; A. M. Boyarski; M. Breidenbach; Dl Burke; W.C. Carithers; W. Chinowsky; M. W. Coles; S. Cooper; W.E. Dieterle; J.B. Dillon; J Dorenbosch; J. Dorfan; M.W. Eaton; G.J. Feldman; Meb Franklin; G. Gidal; G. Goldhaber; G. Hanson; Kenneth G. Hayes; T Himel; D.G. Hitlin; R.J. Hollebeek; Wr Innes; J. A. Jaros; P. Jenni; A. D. Johnson; J. A. Kadyk; Aj Lnakford
Physical Review Letters | 1976
J. Siegrist; G. S. Abrams; A. M. Boyarski; M. Breidenbach; F. Bulos; W. Chinowsky; G.J. Feldman; C. E. Friedberg; D. Fryberger; G. Goldhaber; G. Hanson; D. L. Hartill; J. A. Jaros; B. Jean-Marie; J. A. Kadyk; R. R. Larsen; D. Lüke; V. Luth; H. L. Lynch; R.J. Madaras; C. C. Morehouse; H. K. Nguyen; J. M. Paterson; M. Perl; I. Peruzzi; F. M. Pierre; M. Piccolo; T. P. Pun; P. Rapidis; B. Richter
Physical Review Letters | 1977
G.J. Feldman; F. Bulos; D. L̈ke; G. S. Abrams; M. S. Alam; A. M. Boyarski; M. Breidenbach; J. Dorfan; C. E. Friedberg; D. Fryberger; G. Goldhaber; G. Hanson; F. B. Heile; J. A. Jaros; J. A. Kadyk; R. R. Larsen; A. M. Litke; V. L̈th; R.J. Madaras; C. C. Morehouse; H. K. Nguyen; J. M. Paterson; M. Perl; I. Peruzzi; M. Piccolo; F. M. Pierre; T. P. Pun; P. Rapidis; B. Richter; B. Sadoulet
Physical Review D | 1989
Juricic I I; G. Goldhaber; G. Gidal; G. S. Abrams; D. Amidei; A.R. Baden; J. Boyer; F. Butler; W. C. Carithers; M. S. Gold; L. Golding; J. Haggerty; D. Herrup; J. Kadyk; M. E. Levi; M. E. Nelson; P. C. Rowson; H. Schellman; W. B. Schmidke; P. D. Sheldon; G. H. Trilling; David R. R. Wood; Timothy Barklow; A. M. Boyarski; M. Breidenbach; P. R. Burchat; David L. Burke; D. Cords; J. Dorfan; G.J. Feldman
Physical Review D | 1987
P. R. Burchat; G.J. Feldman; Timothy Barklow; A. M. Boyarski; David L. Burke; J. Dorfan; L. Gladney; G. Hanson; K. Hayes; R.J. Hollebeek; W. R. Innes; J. A. Jaros; D. Karlen; Aj Lankford; R. R. Larsen; B. W. LeClaire; N.S. Lockyer; V. Luth; C. Matteuzzi; R. A. Ong; M. Perl; B. Richter; K. Riles; M. C. Ross; J. M. Yelton; C. Zaiser; G. S. Abrams; D. Amidei; A.R. Baden; J. Boyer
