A MEASUREMENT OF 2-JET DECAYS OF THE W-BOSONS AND Z-BOSONS AT THE CERN PBARP COLLIDER

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作者：
ALITTI, J
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ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1991年 / 49卷 / 01期
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O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要：
A study of the two-jet mass spectrum measured with the UA2 calorimeter has revealed a signal from hadronic decays of W and Z bosons above a large background. Production and decay properties of the signal have been measured. The combined production cross-section sigma.B(W,Z-->two jets) is 9.6+/-2.3(stat.)+/-1.1 (syst.) nb, compared with an expectation of 5.8 nb calculated to order alpha-s2. A limit on the production cross-section of additional heavy vector bosons decaying into two jets is given as a function of the boson mass.
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页码：17 / 28
页数：12
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