Measurements of inclusive W and Z cross sections in pp collisions at $ \sqrt {s} = 7 $ TeV

V. Khachatryan^{a b}, A. M. Sirunyan^{a b}, A. Tumasyan^{b c}, W. Adam^{a d}, T. Bergauer^{a d}, M. Dragicevic^{c d}, J. Erö^{c d}, Christian W. Fabjan^{c d}, M. Friedl^{d e}, Rudolf Konrad Fruhwirth^{d e}, V. M. Hammer^d, J. Hammer^{b f}, S. Hänsel^{c d}, C. Hartl^{c d}, Michael J. R. Hoch^{d e}, N. Hörmann^{d e}, J. Hrubec^{d e}, M. Jeitler^{a d}, Gregor Kasieczka^{a d}, W. Kiesenhofer^{c d}, M. Krammer^{d e}, Dietrich Liko^{d e}, I. Mikulec^{d e}, M. Pernicka^{d e}, H. Rohringer^{d g}, R. Schöfbeck^{d g}, J. Strauss^{d e}, A. Taurok^{d e}, F. A. Teischinger^{d e}, W. Waltenberger^{d e} and 2123 others

1. ^aYerevan Physics Institute , Yerevan , Armenia
2. ^bYerevan Physics Institute, Yerevan, Armenia
3. ^cInstitut für Hochenergiephysik der OeAW , Wien , Austria
4. ^dInstitut für Hochenergiephysik der OeAW, Wien, Austria
5. ^eNational Centre for Particle and High Energy Physics , Minsk , Belarus
6. ^fUniversity of Ioánnina , Ioánnina , Greece
7. ^gUniversiteit Antwerpen , Antwerpen , Belgium