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Featured researches published by D. Weber.


Nuclear Instruments and Methods in Physics Research | 1983

The CLEO detector

D. Andrews; P. Avery; K. Berkelman; R. Cabenda; D. G. Cassel; J. W. DeWire; R. Ehrlich; T. Ferguson; B.G. Gibbard; M. G. D. Gilchriese; B. Gittelman; D. L. Hartill; D. Herrup; M. Herzlinger; J. Kandaswamy; D. L. Kreinick; D. Larson; N. B. Mistry; F. Morrow; E. Nordberg; R. Perchonok; R. Plunkett; K. A. Shinsky; R. H. Siemann; A. Silverman; P. C. Stein; S. Stone; Richard Talman; D. Weber; R. Wilcke

Abstract The construction and performance of a large aperture magnetic detector designed for use at the Cornell Electon Storage Ring is descr bed.


Physics Letters B | 1983

Ruling out exotic models of b quark decay

A. Chen; M. Goldberg; Nahmin Horwitz; A. Jawahery; M. Jibaly; H. Kooy; P. Lipari; G. C. Moneti; H. W. van Hecke; M. S. Alam; S. E. Csorna; A. Fridman; M. D. Mestayer; R. S. Panvini; D. Andrews; P. Avery; K. Berkelman; D. G. Cassel; J. W. DeWire; R. Ehrlich; T. Ferguson; R. S. Galik; M. G. D. Gilchriese; B. Gittelman; D. L. Hartill; D. Herrup; M. Herzlinger; S. Holzner; M. Ito; J. Kandaswamy

Abstract We consider three broad classes of nonstandard models for b quark decay: (1) b → llq with charged or neutral leptons of arbitrary flavor; (2) b → l q q ; and (3) b → qa − where a − is a Higgs boson or hyperpion. For these classes of models we have calculated the charged energy fraction and the inclusive yields of electrons, muons, protons, and lambdas. We demonstrate that these model predictions are inconsistent with CLEO measurements at the γ (4S).


Physics Letters B | 1984

A search for the ρ(2.2) in the ϒ region

S. Behrends; K. Chadwick; J. Chauveau; T. Gentile; Jan M. Guida; Joan A. Guida; A. C. Melissinos; S. L. Olsen; G. Parkhurst; D. Peterson; R. Poling; C. Rosenfeld; E. H. Thorndike; P. Tipton; D. Besson; J. Green; R. G. Hicks; R. Namjoshi; F. Sannes; P. Skubic; A. Snyder; R. Stone; A. Chen; M. Goldberg; N. Horwitz; A. Jawahery; P. Lipari; G. C. Moneti; C. G. Trahern; H. W. van Hecke

Abstract We have searched in the decays of the ϒ(1S), ϒ(2S) and B mesons for the narrow state, γ, seen by the Mark II group in radiative ψ decay. We find the product branching fractions B[ϒ(1S) → γγ]·B[γ → K+K−], B[ϒ(2S) → γ γ]· B[γ → K+K−] and B[B → γX]·B[γ → K+K−] to be less than 2×10−4, 9×10−5 and 3×10−3, respectively at 90% confidence level. These limits constrain theoretical models if the γ is interpreted as a Higgs boson.


Physical Review Letters | 1980

Observation of a fourth upsilon state in e+e- annihilations

D. Andrews; K. Berkelman; R. Cabenda; D. G. Cassel; J. W. DeWire; R. Ehrlich; T. Ferguson; T. Gentile; M. Gilchriese; B. Gittelman; D. L. Hartill; D. Herrup; M. Herzlinger; D. L. Kreinick; N. B. Mistry; E. Nordberg; R. Perchonok; R. Plunkett; K. A. Shinsky; R. H. Siemann; A. Silverman; P. C. Stein; S. Stone; Richard Talman; H. G. Thonemann; D. Weber; C. Bebek; J. Haggerty; J. M. Izen; W. A. Loomis


Physical Review Letters | 1980

Observation of Three Upsilon States

D. Andrews; K. Berkelman; M. Billing; R. Cabenda; D. G. Cassel; J. W. DeWire; R. Ehrlich; T. Ferguson; T. Gentile; B. Gibbard; M. G. D. Gilchriese; B. Gittelman; D. L. Hartill; D. Herrup; M. Herzlinger; D. L. Kreinick; D. Larson; N. B. Mistry; E. Nordberg; S. Peggs; R. Perchonok; R. Plunkett; J. Seeman; K. A. Shinsky; R. H. Siemann; A. Silverman; P. C. Stein; S. Stone; Richard Talman; H. G. Thonemann


Physical Review Letters | 1984

Limit on the b. -->. u coupling from semileptonic B decay

A. Chen; M. Goldberg; Nahmin Horwitz; A. Jawahery; P. Lipari; G. C. Moneti; C. G. Trahern; H. W. van Hecke; M. S. Alam; S. E. Csorna; L. Garren; M. D. Mestayer; R. S. Panvini; Xia Yi; P. Avery; C. Bebek; K. Berkelman; D. G. Cassel; J. W. DeWire; R. Ehrlich; T. Ferguson; R. S. Galik; M. G. D. Gilchriese; B. Gittelman; M. Halling; D. L. Hartill; S. Holzner; M. Ito; J. Kandaswamy; D. L. Kreinick


Physical Review Letters | 1981

Evidence for new-flavor production at the (4S)

C. Bebek; J. Haggerty; J. M. Izen; C. Longuemare; W. A. Loomis; F. M. Pipkin; J. Rohlf; W. Tanenbaum; Richard Wilson; A. J. Sadoff; D. L. Bridges; K. Chadwick; P. Ganci; H. Kagan; R. Kass; F. Lobkowicz; A. C. Melissinos; S. L. Olsen; R. Poling; C. Rosenfeld; G. Rucinski; E. H. Thorndike; G. Warren; D. Bechis; J. Mueller; D. Potter; F. Sannes; P. Skubic; R. Stone; A. Brody


Physical Review Letters | 1983

Observation of exclusive decay modes of b-flavored mesons

S. Behrends; K. Chadwick; J. Chauveau; P. Ganci; T. Gentile; Jan M. Guida; Joan A. Guida; R. Kass; A. C. Melissinos; S. L. Olsen; G. Parkhurst; D. Peterson; R. Poling; C. Rosenfeld; G. Rucinski; E. H. Thorndike; J. Green; R. G. Hicks; F. Sannes; P. Skubic; A. Snyder; R. Stone; A. Chen; M. Goldberg; Nahmin Horwitz; A. Jawahery; M. Jibaly; P. Lipari; G. C. Moneti; C. G. Trahern


Physical Review Letters | 1983

Evidence for the F Meson at 1970-MeV

A. Chen; M. Goldberg; Nahmin Horwitz; A. Jawahery; P. Lipari; G. C. Moneti; C. G. Trahern; H. W. van Hecke; M. S. Alam; S. E. Csorna; L. Garren; M. D. Mestayer; R. S. Panvini; Xia Yi; R. T. Giles; J. Hassard; M. Hempstead; K. Kinoshita; W. W. MacKay; F. M. Pipkin; Richard Wilson; H. Kagan; P. Avery; C. Bebek; K. Berkelman; D. G. Cassel; J. W. DeWire; R. Ehrlich; T. Ferguson; R. S. Galik


Physical Review Letters | 1981

Decay of

K. Chadwick; P. Ganci; H. Kagan; R. Kass; F. Lobkowicz; A. C. Melissinos; S. L. Olsen; R. Poling; C. Rosenfeld; G. Rucinski; E. H. Thorndike; J. Mueller; D. Potter; F. Sannes; P. Skubic; R. Stone; A. Brody; A. Chen; M. Goldberg; Nahmin Horwitz; J. Kandaswamy; H. Kooy; P. Lariccia; G. C. Moneti; M. S. Alam; S. E. Csorna; R. S. Panvini; J. S. Poucher; D. Andrews; K. Berkelman

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T. Ferguson

Carnegie Mellon University

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