Literature DB >> 24785029

Leptonic decay of the ϒ(1S) meson at third order in QCD.

Martin Beneke1, Yuichiro Kiyo2, Peter Marquard3, Alexander Penin4, Jan Piclum1, Dirk Seidel5, Matthias Steinhauser6.   

Abstract

We present the complete next-to-next-to-next-to-leading order short-distance and bound-state QCD correction to the leptonic decay rate Γ(ϒ(1S)→ℓ+ℓ-) of the lowest-lying spin-1 bottomonium state. The perturbative QCD prediction is compared to the measurement Γ(ϒ(1S)→e+e-)=1.340(18)  keV.

Entities:  

Year:  2014        PMID： 24785029     DOI： 10.1103/PhysRevLett.112.151801

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN： 0031-9007            Impact factor:   9.161


  1 in total

Review 1.  Physics at the [Formula: see text] linear collider.

Authors:  G Moortgat-Pick; H Baer; M Battaglia; G Belanger; K Fujii; J Kalinowski; S Heinemeyer; Y Kiyo; K Olive; F Simon; P Uwer; D Wackeroth; P M Zerwas; A Arbey; M Asano; J Bagger; P Bechtle; A Bharucha; J Brau; F Brümmer; S Y Choi; A Denner; K Desch; S Dittmaier; U Ellwanger; C Englert; A Freitas; I Ginzburg; S Godfrey; N Greiner; C Grojean; M Grünewald; J Heisig; A Höcker; S Kanemura; K Kawagoe; R Kogler; M Krawczyk; A S Kronfeld; J Kroseberg; S Liebler; J List; F Mahmoudi; Y Mambrini; S Matsumoto; J Mnich; K Mönig; M M Mühlleitner; R Pöschl; W Porod; S Porto; K Rolbiecki; M Schmitt; P Serpico; M Stanitzki; O Stål; T Stefaniak; D Stöckinger; G Weiglein; G W Wilson; L Zeune; F Moortgat; S Xella; J Bagger; J Brau; J Ellis; K Kawagoe; S Komamiya; A S Kronfeld; J Mnich; M Peskin; D Schlatter; A Wagner; H Yamamoto
Journal:  Eur Phys J C Part Fields       Date:  2015-08-14       Impact factor: 4.590
  1 in total

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