Measurement of τ polarization in W→τν decays with the ATLAS detector in pp collisions at [Formula: see text].

Measurement of τ polarization in W→τν decays with the ATLAS detector in pp collisions at [Formula: see text].

In this paper, a measurement of τ polarization in W→τν decays is presented. It is measured from the energies of the decay products in hadronic τ decays with a single final state charged particle. The data, corresponding to an integrated luminosity of 24 pb(-1), were collected by the ATLAS experiment...

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Príomhchruthaitheoirí: Aad, G, Abbott, B, Abdallah, J, Abdel Khalek, S, Abdelalim, A, Abdesselam, A, Abdinov, O, Abi, B, Abolins, M, AbouZeid, O, Abramowicz, H, Abreu, H, Acerbi, E, Acharya, B, Adamczyk, L, Adams, D, Addy, T, Adelman, J, Aderholz, M, Adomeit, S, Adragna, P, Adye, T, Aefsky, S, Aguilar-Saavedra, J, Aharrouche, M
Formáid: Journal article
Teanga:English
Foilsithe / Cruthaithe: 2012
Cur síos
Achoimre:In this paper, a measurement of τ polarization in W→τν decays is presented. It is measured from the energies of the decay products in hadronic τ decays with a single final state charged particle. The data, corresponding to an integrated luminosity of 24 pb(-1), were collected by the ATLAS experiment at the Large Hadron Collider in 2010. The measured value of the τ polarization is [Formula: see text], in agreement with the Standard Model prediction, and is consistent with a physically allowed 95 % CL interval [-1,-0.91]. Measurements of τ polarization have not previously been made at hadron colliders.

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