Measurement of baryon production inB-meson decay | Zendy

G. Crawford | Zendy; R. Fulton | Zendy; T. Jensen | Zendy; D. Johnson | Zendy; H. Kagan | Zendy; R. Kass | Zendy; R. Malchow | Zendy; F. Morrow | Zendy; J. Whitmore | Zendy; P. Wilson | Zendy; D. Bortoletto | Zendy; D. N. Brown | Zendy; J. Dominick | Zendy; R. L. McIlwain | Zendy; D. H. Miller | Zendy; M. Modesitt | Zendy; C. R. Ng | Zendy; S. F. Schaffner | Zendy; E. I. Shibata | Zendy; I. P. J. Shipsey | Zendy; M. Battle | Zendy; H. Kroha | Zendy; K. Sparks | Zendy; E. H. Thorndike | Zendy; C. H. Wang | Zendy; M. S. Alam | Zendy; I. J. Kim | Zendy; W. C. Li | Zendy; X. Lou | Zendy; B. Nemati | Zendy; V. Romero | Zendy; C. R. Sun | Zendy; P. -N. Wang | Zendy; M. M. Zoeller | Zendy; M. Goldberg | Zendy; T. Haupt | Zendy; N. Horwitz | Zendy; V. Jain | Zendy; R. Kennett | Zendy; M. D. Mestayer | Zendy; G. C. Moneti | Zendy; Y. Rozen | Zendy; P. Rubin | Zendy; T. Skwarnicki | Zendy; S. Stone | Zendy; M. Thusalidas | Zendy; W. M. Yao | Zendy; G. Zhu | Zendy; A. V. Barnes | Zendy; J. Bartelt | Zendy; S. E. Csorna | Zendy; T. Letson | Zendy; J. P. Alexander | Zendy; M. Artuso | Zendy; C. Bebek | Zendy; K. Berkelman | Zendy; D. Besson | Zendy; T. E. Browder | Zendy; D. G. Cassel | Zendy; E. Cheu | Zendy; D. M. Coffman | Zendy; P. S. Drell | Zendy; R. Ehrlich | Zendy; R. S. Galik | Zendy; M. Garcia-Sciveres | Zendy; B. Geiser | Zendy; B. Gittelman | Zendy; S. W. Gray | Zendy; D. L. Hartill | Zendy; B. K. Heltsley | Zendy; K. Honscheid | Zendy; J. Kandaswamy | Zendy; N. Katayama | Zendy; D. L. Kreinick | Zendy; J. D. Lewis | Zendy; G. S. Ludwig | Zendy; J. Masui | Zendy; J. Mevissen | Zendy; N. B. Mistry | Zendy; S. Nandi | Zendy; E. Nordberg | Zendy; C. P. O’Grady | Zendy; J. R. Patterson | Zendy; D. Peterson | Zendy; M. Pisharody | Zendy; D. Riley | Zendy; M. Sapper | Zendy; M. Selen | Zendy; A. Silverman | Zendy; H. M. Worden | Zendy; M. Worris | Zendy; A. J. Sadoff | Zendy; P. Avery | Zendy; A. Freyberger | Zendy; J. L. Rodriguez | Zendy; J. Yelton | Zendy; S. Henderson | Zendy; K. Kinoshita | Zendy; F. M. Pipkin | Zendy; M. Procario | Zendy; M. Saulnier | Zendy; R. J. Wilson | Zendy; J. Wolinski | Zendy; D. Xiao | Zendy; H. Yamamoto | Zendy; R. Ammar | Zendy; P. Baringer | Zendy; D. Coppage | Zendy; R. Davis | Zendy; Peter J. Haas | Zendy; M. Kelly | Zendy; N. Kwak | Zendy; H. Lam | Zendy; S. R. Ro | Zendy; Y. Kubota | Zendy; J. K. Nelson | Zendy; D. Perticone | Zendy; R. Poling | Zendy; S. Schrenk | Zendy

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Measurement of baryon production inB-meson decay

Author(s) -

G. Crawford,

R. Fulton,

T. Jensen,

D. Johnson,

H. Kagan,

R. Kass,

R. Malchow,

F. Morrow,

J. Whitmore,

P. Wilson,

D. Bortoletto,

D. N. Brown,

J. Dominick,

R. L. McIlwain,

D. H. Miller,

M. Modesitt,

C. R. Ng,

S. F. Schaffner,

E. I. Shibata,

I. P. J. Shipsey,

M. Battle,

H. Kroha,

K. Sparks,

E. H. Thorndike,

C. H. Wang,

M. S. Alam,

I. J. Kim,

W. C. Li,

X. Lou,

B. Nemati,

V. Romero,

C. R. Sun,

P. -N. Wang,

M. M. Zoeller,

M. Goldberg,

T. Haupt,

N. Horwitz,

V. Jain,

R. Kennett,

M. D. Mestayer,

G. C. Moneti,

Y. Rozen,

P. Rubin,

T. Skwarnicki,

S. Stone,

M. Thusalidas,

W. M. Yao,

G. Zhu,

A. V. Barnes,

J. Bartelt,

S. E. Csorna,

T. Letson,

J. P. Alexander,

M. Artuso,

C. Bebek,

K. Berkelman,

D. Besson,

T. E. Browder,

D. G. Cassel,

E. Cheu,

D. M. Coffman,

P. S. Drell,

R. Ehrlich,

R. S. Galik,

M. Garcia-Sciveres,

B. Geiser,

B. Gittelman,

S. W. Gray,

D. L. Hartill,

B. K. Heltsley,

K. Honscheid,

J. Kandaswamy,

N. Katayama,

D. L. Kreinick,

J. D. Lewis,

G. S. Ludwig,

J. Masui,

J. Mevissen,

N. B. Mistry,

S. Nandi,

E. Nordberg,

C. P. O’Grady,

J. R. Patterson,

D. Peterson,

M. Pisharody,

D. Riley,

M. Sapper,

M. Selen,

A. Silverman,

H. M. Worden,

M. Worris,

A. J. Sadoff,

P. Avery,

A. Freyberger,

J. L. Rodriguez,

J. Yelton,

S. Henderson,

K. Kinoshita,

F. M. Pipkin,

M. Procario,

M. Saulnier,

R. J. Wilson,

J. Wolinski,

D. Xiao,

H. Yamamoto,

R. Ammar,

P. Baringer,

D. Coppage,

R. Davis,

Peter J. Haas,

M. Kelly,

N. Kwak,

H. Lam,

S. R. Ro,

Y. Kubota,

J. K. Nelson,

D. Perticone,

R. Poling,

S. Schrenk

Publication year - 1992

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.45.752

Subject(s) - physics , baryon , particle physics , branching fraction , lepton , meson , b meson , nuclear physics , branching (polymer chemistry) , spectral line , electron , quantum mechanics , materials science , composite material

Using the CLEO detector at the Cornell Electron Storage Ring, we observe {ital B}-meson decays to {Lambda}{sub {ital c}}{sup +} and report on improved measurements of inclusive branching fractions and momentum spectra of other baryons. For the inclusive decay {ital {bar B}}{r arrow}{Lambda}{sub {ital c}}{sup +}{ital X} with {Lambda}{sub {ital c}}{sup +}{r arrow}{ital pK}{sup {minus}}{pi}{sup +}, we find that the product branching fraction {ital B}({ital {bar B}}{r arrow}{Lambda}{sub {ital c}}{sup +}{ital X}){ital B}({Lambda}{sub {ital c}}{sup +}{r arrow}{ital pK}{sup {minus}}{pi}{sup +})=(0.273{plus minus}0.051{plus minus} 0.039)%. Our measured inclusive branching fractions to noncharmed baryons are {ital B}({ital B}{r arrow}{ital pX})=(8.0{plus minus}0.5{plus minus}0.3)%, {ital B}({ital B}{r arrow}{Lambda}{ital X})=(3.8{plus minus}0.4{plus minus}0.6)%, and {ital B}({ital B}{r arrow}{Xi}{sup {minus}}{ital X})=(0.27{plus minus}0.05{plus minus}0.04)%. From these rates and studies of baryon-lepton and baryon-antibaryon correlations in {ital B} decays, we have estimated the branching fraction {ital B}({ital {bar B}}{r arrow}{Lambda}{sub {ital c}}{sup +}{ital X}) to be (6.4{plus minus}0.8{plus minus}0.8)%. Combining these results, we calculate {ital B}({Lambda}{sub {ital c}}{sup +}{r arrow}{ital pK}{sup {minus}}{pi}{sup +}) to be (4.3{plus minus}1.0{plus minus}0.8)%.

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