Determination of the top quark mass through the measurement of the $$\frac{{\Gamma ({\rm Z} \to b\bar b)}}{{\Gamma _{hadr} - \Gamma (Z \to b\bar b)}}$$ ratio at high luminosity LEP | Zendy

J. Benlloch | Zendy; E. Cortina | Zendy; Angel Llopis | Zendy; J. Salt | Zendy; Ch. Vaissi�re | Zendy

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Determination of the top quark mass through the measurement of the $$\frac{{\Gamma ({\rm Z} \to b\bar b)}}{{\Gamma _{hadr} - \Gamma (Z \to b\bar b)}}$$ ratio at high luminosity LEP

Author(s) -

J. Benlloch,

E. Cortina,

Angel Llopis,

J. Salt,

Ch. Vaissi�re

Publication year - 1993

Publication title -

zeitschrift für physik c

Language(s) - English

Resource type - Journals

eISSN - 1431-5858

pISSN - 0170-9739

DOI - 10.1007/bf01498627

Subject(s) - physics , bar (unit) , luminosity , particle physics , hadron , top quark , nuclear physics , quark , bottom quark , astrophysics , galaxy , meteorology

We introduce the ratio ofb bˉ events to the hadronic nonb bˉ ones as an excellent quantity to determine indirectly the top quark mass at high luminosity LEP. Assuming a realistic impact parameter resolution we conclude that with a few million Z's the top quark mass can be fixed with a precision of about 15 GeV

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