# Probing two Universal Extra Dimensions at International Linear Collider - High Energy Physics - Phenomenology

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Abstract: We discuss collider signatures of 1,1-th Kaluza-Klein KK mode vectorbosons in the framework of two universal extra dimension model, at a futureelectron-positron collider. Production of the 1,1-th KK mode of electro-weakvector bosons B1,1, W31,1, are considered in association with a hardphoton. Without caring about the decay products of those vector bosons, one canmeasure the masses of these particles just by looking at the photon energydistribution. Once produced these particles dominantly decay to a pair of jetsor to a pair of top quarks. Thus we look for a pair of jets or a pair of topquarks in association with a photon. Upto the kinematic limit of the collider,signals from the B1,1 production and decay in both the above mentionedchannels are greater than the $5\sigma$ fluctuation of the Standard Modelbackground. However, the number of events from W31,1 production and decay issmaller and its detection prospect is not very good.

Autor: Kirtiman Ghosh, Anindya Datta

Fuente: https://arxiv.org/