Investigation of the total charm-pair cross section in nonresonante+e−… | Zendy

T. J. V. Bowcock | Zendy; K. Kinoshita | Zendy; F. M. Pipkin | Zendy; M. Procario | Zendy; Richard Wilson | Zendy; J. Wolinski | Zendy; D. Xiao | Zendy; Peter J. Haas | Zendy; M. Hempstead | Zendy; T. Jensen | Zendy; D. Johnson | Zendy; H. Kagan | Zendy; R. Kass | Zendy; F. Morrow | Zendy; P. Baringer | Zendy; R. L. McIlwain | Zendy; D. H. Miller | Zendy; C. R. Ng | Zendy; E. I. Shibata | Zendy; R. Poling | Zendy; M. S. Alam | Zendy; N. Katayama | Zendy; I. J. Kim | Zendy; W. C. Li | Zendy; X. C. Lou | Zendy; C. R. Sun | Zendy; V. Tanikella | Zendy; D. Bortoletto | Zendy; M. Goldberg | Zendy; R. Holmes | Zendy; N. Horwitz | Zendy; A. Jawahery | Zendy; G. C. Moneti | Zendy; V. Sharma | Zendy; I. P. J. Shipsey | Zendy; S. E. Csorna | Zendy; M. D. Mestayer | Zendy; I. Brock | Zendy; T. Ferguson | Zendy; H. Vogel | Zendy; C. Bebek | Zendy; K. Berkelman | Zendy; E. Blücher | Zendy; J. Byrd | Zendy; D. G. Cassel | Zendy; D. M. Coffman | Zendy; T. Copie | Zendy; R. DeSalvo | Zendy; J. W. DeWire | Zendy; R. Ehrlich | Zendy; R. S. Galik | Zendy; B. Gittelman | Zendy; S. W. Gray | Zendy; A. M. Halling | Zendy; D. L. Hartill | Zendy; B. K. Heltsley | Zendy; J. Kandaswamy | Zendy; R. Kowalewski | Zendy; D. L. Kreinick | Zendy; Y. Kubota | Zendy; J. D. Lewis | Zendy; N. B. Mistry | Zendy; J. Mueller | Zendy; R. Namjoshi | Zendy; S. Nandi | Zendy; E. Nordberg | Zendy; D. Perticone | Zendy; D. Peterson | Zendy; M. Pisharody | Zendy; D. Riley | Zendy; A. Silverman | Zendy; S. Stone | Zendy; M. Worris | Zendy; A. J. Sadoff | Zendy; P. Avery | Zendy; D. Besson | Zendy; L. Garren | Zendy

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Investigation of the total charm-pair cross section in nonresonante+e−…

Author(s) -

T. J. V. Bowcock,

K. Kinoshita,

F. M. Pipkin,

M. Procario,

Richard Wilson,

J. Wolinski,

D. Xiao,

Peter J. Haas,

M. Hempstead,

T. Jensen,

D. Johnson,

H. Kagan,

R. Kass,

F. Morrow,

P. Baringer,

R. L. McIlwain,

D. H. Miller,

C. R. Ng,

E. I. Shibata,

R. Poling,

M. S. Alam,

N. Katayama,

I. J. Kim,

W. C. Li,

X. C. Lou,

C. R. Sun,

V. Tanikella,

D. Bortoletto,

M. Goldberg,

R. Holmes,

N. Horwitz,

A. Jawahery,

G. C. Moneti,

V. Sharma,

I. P. J. Shipsey,

S. E. Csorna,

M. D. Mestayer,

I. Brock,

T. Ferguson,

H. Vogel,

C. Bebek,

K. Berkelman,

E. Blücher,

J. Byrd,

D. G. Cassel,

D. M. Coffman,

T. Copie,

R. DeSalvo,

J. W. DeWire,

R. 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,

D. Perticone,

D. Peterson,

M. Pisharody,

D. Riley,

A. Silverman,

S. Stone,

M. Worris,

A. J. Sadoff,

P. Avery,

D. Besson,

L. Garren

Publication year - 1988

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.38.2679

Subject(s) - physics , particle physics , hadron , meson , branching fraction , bar (unit) , production (economics) , context (archaeology) , nuclear physics , lambda , semileptonic decay , lepton , quantum mechanics , paleontology , economics , macroeconomics , meteorology , electron , biology

We report results from two new methods for measuring the total production of charmed particles in nonresonant e/sup +/e/sup -/ annihilations at ..sqrt..s = 10.5 GeV. The rate for detection of events containing two reconstructed charmed mesons relative to that for events containing one is used to extract information about total charm production independent of decay branching fractions. The value of ..delta..R/sub c//sub c-bar/, the total charm-pair cross section normalized to the pointlike ..mu..-pair cross section, is found to be 1.13/sub -0.13//sup +0.17/ +- 0.09, under an assumption of limited particle correlations. In an independent analysis the inclusive cross section for e/sup +/e/sup -/..-->..qq-bar..-->..e/sup +- /X is measured to be 0.293 +- 0.017 +- 0.017 nb. Using measured relative production rates and semileptonic branching fractions of D/sup 0/ and D/sup +/ mesons and estimates of these quantities for D/sub s/ and ..lambda../sub c/, this is found to correspond to ..delta..R/sub c//sub c-bar/ = 2.07 +- 0.12 +- 0.26. These two measurements are discussed in the context of measurements made by reconstruction of exclusive hadronic decay modes and of theoretical expectations.

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