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The article describes the identification of hadronically decaying tau leptons in ppbar collisions at 1.96 TeV collected by the DZero detector at the Fermilab Tevatron. After a brief description of the motivations and the challenges of…

High Energy Physics - Experiment · Physics 2019-08-14 Romain Madar

The neutrinos produced in $\tau$ decays cannot be directly detected, making the reconstruction of $\tau$ kinematics challenging and affecting measurements of quantum correlations such as spin entanglement. For the process $e^+e^- \to…

High Energy Physics - Phenomenology · Physics 2026-05-27 Xiang Zhou , Jianyong Zhang , Xia Wan , Youkai Wang , Xiaohu Mo

This paper describes the concept, technical realisation and validation of a largely data-driven method to model events with $Z\rightarrow\tau\tau$ decays. In $Z\rightarrow\mu\mu$ events selected from proton--proton collision data recorded…

High Energy Physics - Experiment · Physics 2015-09-30 ATLAS Collaboration

A new algorithm is presented to discriminate reconstructed hadronic decays of tau leptons ($\tau_\mathrm{h}$) that originate from genuine tau leptons in the CMS detector against $\tau_\mathrm{h}$ candidates that originate from quark or…

High Energy Physics - Experiment · Physics 2022-07-18 CMS Collaboration

This thesis presents a study of the decays $\tau\rightarrow e\nu\overline{\nu}$ identified after a selection of $\tau^+\tau^-$ events produced in $e^+e^-$ collisions at LEP. These collisions, predominantly mediated by a $Z^0$ boson, offer a…

High Energy Physics - Experiment · Physics 2007-05-23 Jose Julio Lozano Bahilo

We show that the kinematic reconstruction of the $e^+e^-\rightarrow W^+W^-\rightarrow jj\tau^-\overline{\nu}_\tau$\ events have a one-parameter ambiguity when reconstructed from the momentum of all measured $W^-$\ decay products. We propose…

High Energy Physics - Experiment · Physics 2011-04-20 R. Rylko

This paper describes the trigger and offline reconstruction, identification and energy calibration algorithms for hadronic decays of tau leptons employed for the data collected from $pp$ collisions in 2012 with the ATLAS detector at the LHC…

High Energy Physics - Experiment · Physics 2015-07-16 ATLAS Collaboration

We present evidence for dilepton events from t tbar production with one electron or muon and one hadronically decaying tau lepton from the decay t tbar -> (l nu_l) (tau nu_tau) b bbar, (l=e, mu), using the Collider Detector at Fermilab…

High Energy Physics - Experiment · Physics 2010-05-12 F. Abe

The knowledge of $\tau$ lepton kinematic and kinematic of the $\tau$ pair in the decay $Z/H \rightarrow \tau\tau$ is essential for various analysis at LHC. However, the reconstruction of the whole kinematic of the $\tau$ decay is a…

High Energy Physics - Phenomenology · Physics 2018-11-06 Vladimir Cherepanov , Alexander Zotz

We investigate the prospects of the search for a nonzero $\tau$ EDM form factor $d_\tau(s)$ in $\tau$ pair production by $e^+ e^-$ collisions at BEPC-II collider energies. We compute the expectation values and covariances of simple and…

High Energy Physics - Phenomenology · Physics 2021-12-15 Werner Bernreuther , Long Chen , Otto Nachtmann

Tau leptons play an important role in the physics program in ATLAS. They can be used not only in searches for new phenomena like the Higgs boson or Supersymmetry, or for electroweak measurements but also in detector related studies like the…

High Energy Physics - Experiment · Physics 2019-08-13 Stan Lai

A search for new phenomena in final states with hadronically decaying tau leptons, $b$-jets, and missing transverse momentum is presented. The analyzed dataset comprises $pp$~collision data at a center-of-mass energy of $\sqrt s = 13$ TeV…

High Energy Physics - Experiment · Physics 2022-02-03 ATLAS Collaboration

Hadronically decaying tau leptons are of prime importance in numerous physics analyses in ATLAS. The spectrum of the possible applications of hadronically decaying tau leptons reaches from Standard Model measurements, including Higgs…

High Energy Physics - Experiment · Physics 2014-09-02 Zinonas Zinonos

Measurements in $W^+W^-$ events at LEP2 and in $B$ hadron semileptonic decays at B factories and LHCb provide intriguing hints of a violation of lepton universality in the charged current coupling of tau leptons relative to those for…

High Energy Physics - Experiment · Physics 2020-03-18 S. Dysch , T. R. Wyatt

Searches for new physics in events with hadronic jets, missing transverse energy, and two leptons of which at least one is a hadronically decaying tau are presented. The result is based on a data sample corresponding to an integrated…

High Energy Physics - Experiment · Physics 2019-08-13 Matthias Edelhoff

A novel method for the direct measurement of the elusive magnetic and electric dipole moments of the tau lepton is presented. The experimental approach relies on the production of tau+ leptons from Ds+ -> tau+ nu_tau decays, originated in…

High Energy Physics - Experiment · Physics 2019-07-10 J. Fu , M. A. Giorgi , L. Henry , D. Marangotto , F. Martinez Vidal , A. Merli , N. Neri , J. Ruiz Vidal

The QCD corrections to the R_{\tau}^{12} moment of the invariant mass distribution in hadronic decays of the tau lepton are discussed. The next-to-next-to-leading order prediction is shown to be stable with respect to change of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Piotr A. Raczka

Identifying and reconstructing hadronic $\tau$ decays ($\tau_{\textrm{h}}$) is an important task at current and future high-energy physics experiments, as $\tau_{\textrm{h}}$ represent an important tool to analyze the production of Higgs…

High Energy Physics - Experiment · Physics 2024-08-02 Torben Lange , Saswati Nandan , Joosep Pata , Laurits Tani , Christian Veelken

A study of events containing two tau leptons with high transverse momentum has been performed with the ZEUS detector at HERA, using a data sample corresponding to an integrated luminosity of 0.33 fb-1. The tau candidates were identified…

High Energy Physics - Experiment · Physics 2015-03-17 ZEUS Collaboration

A tau lepton identification algorithm, DeepTau, based on convolutional neural network techniques, has been developed in the CMS experiment to discriminate reconstructed hadronic decays of tau leptons ($\tau_\mathrm{h}$) from quark or gluon…

High Energy Physics - Experiment · Physics 2025-12-25 CMS Collaboration