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Dive into the research topics where Glen D. Crawford is active.

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Featured researches published by Glen D. Crawford.


IEEE Transactions on Nuclear Science | 1997

Performance of the new vertex detector at SLD

N.B. Sinev; Je Brau; P.J. Dervan; Erez Etzion; S.J. Watts; M.B. Smy; S. S. Hertzbach; M. G. Strauss; A.I. Trandafir; P.N. Burrows; Dn Dong; J. Kelsy; H.W. Kendall; I. Lee; V. Lia; L.S. Osborne; D. Ross; F. Taylor; R. Verdier; C. Damerell; R.L. English; Dj Jackson; L. Lintern; N. Ohishi; M. Breidenbach; Aaron S. Chou; Glen D. Crawford; M. Foss; G. Haller; J. Hoeflich

During the past year, the SLD collaboration completed the construction and began the operation of a new vertex detector (VXD3) employing 307 million pixels. This detector, based on 96 CCDs of 13 cm/sup 2/ area each, is an upgrade of the original vertex detector of SLD (VXD2), made possible by advances in the technology of CCD detectors. Its improved impact parameter resolution, larger solid angle coverage and virtually error-free track linking will enhance the SLD measurement of the polarization-enhanced forward-backward asymmetry for b and c-quarks, increase the precision of the measurement of the b-fraction in hadronic Z decays, and open the possibility to observe B/sub s//sup 0/-mixing. Full separation of primary, secondary and tertiary vertices is accessible. A description of the mechanics and electronics of VXD3 are presented along with results from the first data.


Physical Review Letters | 1989

Study of the Decay

D. Bortoletto; I. Brock; D. L. Hartill; S. Nandi; M. Worris; A. M. Halling; B. K. Heltsley; S. W. Gray; V. Sharma; T. J. V. Bowcock; R. Kass; N. Katayama; D. M. Coffman; I. J. Kim; M. Sapper; M. Goldberg; Nari B. Mistry; D. G. Cassel; H. Worden; J. Kandaswamy; J. P. Alexander; F. Morrow; J. D. Lewis; R. Poling; E. H. Thorndike; C. R. Ng; E. I. Shibata; P. Avery; H. Lam; J. Whitmore

Using a sample of 484 000 {ital B} mesons collected with the CLEO detector at the Cornell Electron Storage Ring, we have measured {ital B}({ital {bar B}}{sup 0}{r arrow}D{sup *+}l{sup {minus}}{nu}) and found that the polarization of the {ital D}{sup *+} is small. These results are compared with models of semileptonic {ital B} decay.


Physical Review Letters | 1990

\bar{B}0 \to D^*

J. P. Alexander; D. L. Hartill; S. Nandi; I. J. Kim; A. M. Halling; B. K. Heltsley; J. W. DeWire; S. W. Gray; V. Sharma; M. Sapper; N. Katayama; Mestayer; S. F. Schaffner; D. M. Coffman; M. Worris; M. Goldberg; Nari B. Mistry; D. G. Cassel; H. Worden; J. Kandaswamy; I. P. J. Shipsey; F. Morrow; J. D. Lewis; R. Poling; E. H. Thorndike; C. R. Ng; E. I. Shibata; P. Baringer; J. K. Nelson; P. Avery


Physical Review Letters | 2002

+ L- Anti-neutrino

K. Abe; T. Abe; I. Adam; Hikota Akimoto; D. Aston; K.G. Baird; C. Baltay; H. R. Band; T. Barklow; J. M. Bauer; G. Bellodi; R Berger; G. Blaylock; J.R. Bogart; G.R. Bower; Je Brau; M. Breidenbach; W. Bugg; D. L. Burke; T. H. Burnett; P.N. Burrows; A. Calcaterra; R. Cassell; Aaron S. Chou; H.O. Cohn; J.A. Coller; M. R. Convery; V. Cook; R. Cowan; Glen D. Crawford


Physics Letters B | 1992

Observation of UPSILON(4S) decays into non-B

Glen D. Crawford; R. Douglas Fulton; K. K. Gan; H. Kagan; R. Kass; J.-H. Lee; R. L. Malchow; F. Morrow; M. M. Sung


Physics Letters B | 1990

\overline{B}

W.-Y. Chen; R. L. McIlwain; D. J. Miller; C. R. Ng; Stephen Frank Schaffner; E. I. Shibata; W. M. Yao; K. Sparks; E. H. Thorndike; C. H. Wang; M. S. Alam; I. J. Kim; Li Wang; X. C. Lou; C. R. Sun; P. N. Wang; M. I. Zoeller; D. Bortoletto; M. Goldberg; Nahmin Horwitz; V. Jain; M. D. Mestayer; G. C. Moneti; V. Sharma; I. P. J. Shipsey; T. Skwarnicki; M. Thulasidas; S. E. Csorna; T. Letson; J. P. Alexander


Physical Review D | 1990

final states containing psi mesons

I. Brock; D. L. Hartill; S. Nandi; R. Holmes; M. Worris; D. Chen; A. M. Halling; B. K. Heltsley; J. W. DeWire; S. W. Gray; V. Sharma; P. Lubrano; R. Kass; N. Katayama; Mestayer; D. M. Coffman; E. Blucher; M. Goldberg; Nari B. Mistry; D. G. Cassel; J. Kandaswamy; I. P. J. Shipsey; F. Morrow; J. D. Lewis; R. Poling; C. R. Ng; E. I. Shibata; P. Avery; J. Whitmore; C. Bebek


Physics Letters B | 1989

Improved direct measurement of Ab and Ac at the Z0 pole using a lepton tag

R. Douglas Fulton; P. Haas; M. Hempstead; T. Jensen; D. R. Johnson; H. Kagan; R. Kass; F. Morrow; J. Whitmore; P. Baringer; W.-Y. Chen; R. L. McIlwain; D. J. Miller; C. R. Ng; E. I. Shibata; W. M. Yao; M. S. Alam; D. Chen; N. Katayama; I. J. Kim; Li Wang; X. C. Lou; C. R. Sun; V. Tanikella; D. Bortoletto; M. Goldberg; Nahmin Horwitz; P. Lubrano; M. D. Mestayer; G. C. Moneti


Physical Review Letters | 1989

Exclusive ?(2P) production in (3S) decay1

M. Artuso; C. Bebek; K. Berkelman; E. Blucher; J. Byrd; D. G. Cassel; E. Cheu; D. M. Coffman; T. Copie; Glen D. Crawford; R. DeSalvo; J. W. DeWire; P. S. Drell; Richard D. Ehrlich; R. S. Galik; B. Gittelman; S. W. Gray; A. M. Halling; D. L. Hartill; B. K. Heltsley; J. Kandaswamy; R. Kowalewski; D. L. Kreinick; Y. Kubota; J. D. Lewis; N. B. Mistry; J. Mueller; R. Namjoshi; S. Nandi; E. Nordberg


Physical Review Letters | 1989

Measurement of gammagamma widths of charmonium states

C. Bebek; K. Berkelman; E. Blucher; J. Byrd; D. G. Cassel; E. Cheu; D. M. Coffman; T. Copie; Glen D. Crawford; R. DeSalvo; J. W. DeWire; P. S. Drell; Richard D. Ehrlich; R. S. Galik; B. Gittelman; S. W. Gray; A. M. Halling; D. L. Hartill; B. K. Heltsley; J. Kandaswamy; R. Kowalewski; D. L. Kreinick; Y. Kubota; J. D. Lewis; N. B. Mistry; J. Mueller; R. Namjoshi; S. Nandi; E. Nordberg; C. P. O'Grady

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B. K. Heltsley

University of Colorado Boulder

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