Same-sign WW scattering at the LHC: can we discover BSM effects before discovering new states? Jan Kalinowski, Paweł Kozów, Stefan Pokorski, Janusz Rosiek, Michał Szleper and Sławomir Tkaczyk Eur. Phys. J. C, 78 5 (2018) 403 Published online: 22 May 2018 DOI: 10.1140/epjc/s10052-018-5885-y