Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks ine + e − annihilation at ⟨s√⟩ =34.6 GeV

Physics

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https://doi.org/10.1007/BF01552539
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Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks ine + e − annihilation at ⟨s√⟩ =34.6 GeV. / JADE Collaboration.
In: Zeitschrift für Physik C Particles and Fields, Vol. 33, No. 3, 1987, p. 339-349.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{2b78bf5984594adeb4361659313efe20,

title = "Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks ine + e − annihilation at ⟨s√⟩ =34.6 GeV",

abstract = "Muon inclusive multihadronic final states ine + e − annihilation at ⟨s√⟩ =34.6 GeV, collected by the JADE detector at PETRA, have been analysed in terms of the semi-muonic branching ratios and fragmentation functions of heavy quarks. Defining the fragmentation variable, ζ, as z=(E+p∥)hadron(E+p)quark we find =(77±3±5)% and =(86±4±5)%. The corresponding semi-muonic branching ratios are measured to be BR(c→μv μ X)=7.8±1.5±2)% and BR (b→μv μ X)=(11.7±1.6±1.5)%. Defining ζ as xE=EhadronEbeam we observe an expected softening effect in the fragmentation due mainly to gluon emission, but find that this definition leads to semi-muonic branching ratiomeasurements which are strongly affected by uncertainties in the fragmentation process and the WCD calculation.",

author = "W. Bartel and Alexander Finch and {JADE Collaboration}",

year = "1987",

doi = "10.1007/BF01552539",

language = "English",

volume = "33",

pages = "339--349",

journal = "Zeitschrift f{\"u}r Physik C Particles and Fields",

issn = "0170-9739",

publisher = "Springer Verlag",

number = "3",

}

RIS

TY - JOUR

T1 - Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks ine + e − annihilation at ⟨s√⟩ =34.6 GeV

AU - Bartel, W.

AU - Finch, Alexander

AU - JADE Collaboration

PY - 1987

Y1 - 1987

N2 - Muon inclusive multihadronic final states ine + e − annihilation at ⟨s√⟩ =34.6 GeV, collected by the JADE detector at PETRA, have been analysed in terms of the semi-muonic branching ratios and fragmentation functions of heavy quarks. Defining the fragmentation variable, ζ, as z=(E+p∥)hadron(E+p)quark we find =(77±3±5)% and =(86±4±5)%. The corresponding semi-muonic branching ratios are measured to be BR(c→μv μ X)=7.8±1.5±2)% and BR (b→μv μ X)=(11.7±1.6±1.5)%. Defining ζ as xE=EhadronEbeam we observe an expected softening effect in the fragmentation due mainly to gluon emission, but find that this definition leads to semi-muonic branching ratiomeasurements which are strongly affected by uncertainties in the fragmentation process and the WCD calculation.

AB - Muon inclusive multihadronic final states ine + e − annihilation at ⟨s√⟩ =34.6 GeV, collected by the JADE detector at PETRA, have been analysed in terms of the semi-muonic branching ratios and fragmentation functions of heavy quarks. Defining the fragmentation variable, ζ, as z=(E+p∥)hadron(E+p)quark we find =(77±3±5)% and =(86±4±5)%. The corresponding semi-muonic branching ratios are measured to be BR(c→μv μ X)=7.8±1.5±2)% and BR (b→μv μ X)=(11.7±1.6±1.5)%. Defining ζ as xE=EhadronEbeam we observe an expected softening effect in the fragmentation due mainly to gluon emission, but find that this definition leads to semi-muonic branching ratiomeasurements which are strongly affected by uncertainties in the fragmentation process and the WCD calculation.

U2 - 10.1007/BF01552539

DO - 10.1007/BF01552539

M3 - Journal article

VL - 33

SP - 339

EP - 349

JO - Zeitschrift für Physik C Particles and Fields

JF - Zeitschrift für Physik C Particles and Fields

SN - 0170-9739

IS - 3

ER -

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