CP-violating anomalous WWγ couplings in e+e- collisions

Choudhury, Debajyoti ; Kalinowski, Jan ; Kulesza, Anna (1999) CP-violating anomalous WWγ couplings in e+e- collisions Physics Letters B, 457 (1-3). pp. 193-201. ISSN 0370-2693

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0370-2693(99)00527-4


We investigate the sensitivity of future linear collider experiments to CP violating WWγ couplings in the process e+e-→νν̅γ. We consider several sets of machine parameters: centre of mass energies √s=350, 500 and 800 GeV and operating at different luminosities. From an analysis of the differential cross-section the following 95% C.L. limits |κ~γ|<0.18, |λ~γ |<0.069 are estimated to be obtained at a future 500 GeV LC with an integrated luminosity of 125 fb-1, a great improvement as compared to the LEP2 reach, where a senstitivity of order 2 for both couplings is found.

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Deposited On:19 Dec 2011 06:33
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