Reconstruction of hadronic decay products of tau leptons with the ATLAS experiment

A. Aad; B. Abbott; J. Abdallah; O. Abdinov; R. Aben; M. Abolins; O.S. AbouZeid; H. Abramowicz; H. Abreu; R. Abreu; Mogens Dam; Jørn Dines Hansen; Jørgen Beck Hansen; Stefania Xella; Peter Henrik Hansen; Troels Christian Petersen; Almut Maria Pingel; Alejandro Alonso Diaz; James William Monk; Gorm Aske Gram Krohn Galster; Lotte Ansgaard Thomsen; Ask Emil Løvschall-Jensen; Lars Egholm Pedersen

doi:10.1140/epjc/s10052-016-4110-0

Reconstruction of hadronic decay products of tau leptons with the ATLAS experiment

A. Aad, B. Abbott, J. Abdallah, O. Abdinov, R. Aben, M. Abolins, O.S. AbouZeid, H. Abramowicz, H. Abreu, R. Abreu, Mogens Dam, Jørn Dines Hansen, Jørgen Beck Hansen, Stefania Xella, Peter Henrik Hansen, Troels Christian Petersen, Almut Maria Pingel, Alejandro Alonso Diaz, James William Monk, Gorm Aske Gram Krohn GalsterLotte Ansgaard Thomsen, Ask Emil Løvschall-Jensen, Lars Egholm Pedersen

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Abstract

This paper presents a new method of reconstructing the individual charged and neutral hadrons in tau decays with the ATLAS detector. The reconstructed hadrons are used to classify the decay mode and to calculate the visible four-momentum of reconstructed tau candidates, significantly improving the resolution with respect to the calibration in the existing tau reconstruction. The performance of the reconstruction algorithm is optimised and evaluated using simulation and validated using samples of Z→ ττ and Z(→ μμ) +jets events selected from proton–proton collisions at a centre-of-mass energy s=8TeV, corresponding to an integrated luminosity of 5 fb ^{- 1}.

Originalsprog	Engelsk
Artikelnummer	295
Tidsskrift	European Physical Journal C
Vol/bind	76
Udgave nummer	5
ISSN	1434-6044
DOI	https://doi.org/10.1140/epjc/s10052-016-4110-0
Status	Udgivet - 1 maj 2016

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10.1140/epjc/s10052-016-4110-0Licens: CC BY

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Aad, A., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Pingel, A. M., Alonso Diaz, A., Monk, J. W., ... Pedersen, L. E. (2016). Reconstruction of hadronic decay products of tau leptons with the ATLAS experiment. European Physical Journal C, 76(5), [295]. https://doi.org/10.1140/epjc/s10052-016-4110-0

Aad, A, Abbott, B, Abdallah, J, Abdinov, O, Aben, R, Abolins, M, AbouZeid, OS, Abramowicz, H, Abreu, H, Abreu, R, Dam, M , Hansen, JD , Hansen, JB , Xella, S , Hansen, PH , Petersen, TC, Pingel, AM, Alonso Diaz, A, Monk, JW, Galster, GAGK, Thomsen, LA, Løvschall-Jensen, AE & Pedersen, LE 2016, 'Reconstruction of hadronic decay products of tau leptons with the ATLAS experiment', European Physical Journal C, bind 76, nr. 5, 295. https://doi.org/10.1140/epjc/s10052-016-4110-0

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abstract = "This paper presents a new method of reconstructing the individual charged and neutral hadrons in tau decays with the ATLAS detector. The reconstructed hadrons are used to classify the decay mode and to calculate the visible four-momentum of reconstructed tau candidates, significantly improving the resolution with respect to the calibration in the existing tau reconstruction. The performance of the reconstruction algorithm is optimised and evaluated using simulation and validated using samples of Z→ ττ and Z(→ μμ) +jets events selected from proton–proton collisions at a centre-of-mass energy s=8TeV, corresponding to an integrated luminosity of 5 fb - 1.",

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T1 - Reconstruction of hadronic decay products of tau leptons with the ATLAS experiment

AU - Aad, A.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdinov, O.

AU - Aben, R.

AU - Abolins, M.

AU - AbouZeid, O.S.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abreu, R.

AU - Dam, Mogens

AU - Hansen, Jørn Dines

AU - Hansen, Jørgen Beck

AU - Xella, Stefania

AU - Hansen, Peter Henrik

AU - Petersen, Troels Christian

AU - Pingel, Almut Maria

AU - Alonso Diaz, Alejandro

AU - Monk, James William

AU - Galster, Gorm Aske Gram Krohn

AU - Thomsen, Lotte Ansgaard

AU - Løvschall-Jensen, Ask Emil

AU - Pedersen, Lars Egholm

PY - 2016/5/1

Y1 - 2016/5/1

N2 - This paper presents a new method of reconstructing the individual charged and neutral hadrons in tau decays with the ATLAS detector. The reconstructed hadrons are used to classify the decay mode and to calculate the visible four-momentum of reconstructed tau candidates, significantly improving the resolution with respect to the calibration in the existing tau reconstruction. The performance of the reconstruction algorithm is optimised and evaluated using simulation and validated using samples of Z→ ττ and Z(→ μμ) +jets events selected from proton–proton collisions at a centre-of-mass energy s=8TeV, corresponding to an integrated luminosity of 5 fb - 1.

AB - This paper presents a new method of reconstructing the individual charged and neutral hadrons in tau decays with the ATLAS detector. The reconstructed hadrons are used to classify the decay mode and to calculate the visible four-momentum of reconstructed tau candidates, significantly improving the resolution with respect to the calibration in the existing tau reconstruction. The performance of the reconstruction algorithm is optimised and evaluated using simulation and validated using samples of Z→ ττ and Z(→ μμ) +jets events selected from proton–proton collisions at a centre-of-mass energy s=8TeV, corresponding to an integrated luminosity of 5 fb - 1.

U2 - 10.1140/epjc/s10052-016-4110-0

DO - 10.1140/epjc/s10052-016-4110-0

M3 - Journal article

C2 - 28280437

SN - 1434-6044

VL - 76

JO - The European Physical Journal C: Particles and Fields

JF - The European Physical Journal C: Particles and Fields

IS - 5

M1 - 295

ER -

Reconstruction of hadronic decay products of tau leptons with the ATLAS experiment

Abstract

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