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Related papers: Precision simulations with TAUOLA and PHOTOS

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We report on analyses of tau lepton decays $\tau^- \to \eta K^- \nu_{\tau}$ and $\tau^- \to \eta \pi^- \nu_{\tau}$, with $\eta \to \pi^+ \pi^- \pi^0$, using 470 fb$^{-1}$ of data from the Babar experiment at PEP-II, collected at…

High Energy Physics - Experiment · Physics 2011-02-15 The BaBar Collaboration , P. del Amo Sanchez

A Monte-Carlo simulation code was described for simulation of Earth skimming tau-neutrinos. The Earth density and composition profile, charged/neutral current interaction, energy loss of tau leptons, and tau decay are all included in the…

Astrophysics · Physics 2009-11-10 Ming-Huey A. Huang

A preliminary version (v0.2.1) of the DANTON Monte-Carlo package is presented. DANTON allows the exclusive sampling of (decaying) $\tau$ generated by $\nu_\tau$ interactions with the Earth. The particles interactions with matter are…

Computational Physics · Physics 2018-10-05 Valentin Niess , Olivier Martineau-Huynh

We describe the simulation of tau decays in the Herwig++ event generator, which includes sophisticated modelling of the hadronic currents and full treatment of spin correlation effects. The structure of the simulation makes it easy to add…

High Energy Physics - Phenomenology · Physics 2007-10-11 David Grellscheid , Peter Richardson

The precise determination of the cross section for electron-positron annihilation into hadrons is one of the central tasks of ongoing experiments at low energy colliders. These measurements have to be complemented by Monte Carlo generators…

High Energy Physics - Phenomenology · Physics 2015-06-16 H. Czyz , M. Gunia , J. H Kuhn

A review of the status of the Monte Carlo event generator PHOKHARA, developed for experiments using the radiative return method. The four-pion production in electron-positron annihilation and in tau-lepton decays and the narrow resonances…

High Energy Physics - Phenomenology · Physics 2009-08-03 Henryk Czyz , Agnieszka Grzelinska , Agnieszka Wapienik

We report some new results on tau decays obtained by the BaBar collaboration using 468 inverse femtobarn of electron-positron collisions recorded at the PEP-II asymmetric collider at Stanford Linear Accelerator Center. First We will show…

High Energy Physics - Experiment · Physics 2013-12-24 Benjamin Oberhof

The most general Lorentz invariant spin-correlation functions for $\tau ^{-}\rightarrow \rho ^{-}\nu ,a_1^{-}\nu ,K^{*-}\nu , \pi ^{-}\nu ,K^{-}\nu $ are expressed in terms of eight semi-leptonic parameters. They are physically defined in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Charles A. Nelson , Minseob Kim , Daryl P. Nazareth , Hui-Chun Yang

We present a computation of the O(alpha_s) QCD corrections to W^\pm Z \gamma production at the Large Hadron Collider. The photon is considered as real, and we include full leptonic decays for the W and Z bosons. Based on the structure of…

High Energy Physics - Phenomenology · Physics 2011-02-03 G. Bozzi , F. Campanario , M. Rauch , H. Rzehak , D. Zeppenfeld

Recently, various cross sections of e+e- annihilation into hadrons were accurately measured in the energy range from 0.37 to 1.39 GeV with the CMD-2 detector at the VEPP-2M collider. In the pi+pi- channel a systematic uncertainty of 0.6%…

High Energy Physics - Phenomenology · Physics 2009-01-07 A. B. Arbuzov , G. V. Fedotovich , F. V. Ignatov , E. A. Kuraev , A. L. Sibidanov

I very briefly review the highlights of the fifth workshop on the physics of the tau lepton and its neutrino. There has been much progress in many sub-fields, which I touch upon in this review: the couplings of the tau to the $Z^0$ and…

High Energy Physics - Experiment · Physics 2009-10-31 Alan J. Weinstein

We present the {\tt KKMCee 5.00.2} Monte Carlo event generator for lepton and quark pair production for the high energy electron-positron annihilation process. It is still the most sophisticated event generator for such processes. Its…

High Energy Physics - Phenomenology · Physics 2023-02-03 S. Jadach , B. F. L. Ward , Z. Was , S. A. Yost , A. Siodmok

The decade-old technique of combining NLO-corrected hard process with LO-level parton shower Monte Carlo is now mature and used in practice of the QCD calculations in the LHC data analysis. The next step, its extension to an NNLO-corrected…

High Energy Physics - Phenomenology · Physics 2015-06-17 S. Jadach , A. Kusina , W. Placzek , M. Skrzypek

This contribution lists challenges of Monte Carlo event generators for future lepton, especially linear colliders. A lot of the recent development benefits from the achievements at the Large Hadron Collider (LHC), but several aspects are…

High Energy Physics - Phenomenology · Physics 2024-12-19 Jürgen Reuter

We present a novel method for the reconstruction of events containing pairs of hadronically decaying tau leptons at collider experiments. This method relies on accurate knowledge of the tau production vertex and precise measurement of its…

High Energy Physics - Experiment · Physics 2015-11-13 Daniel Jeans

A description of three body tau decays with general vectorial and derivative (non-minimal) couplings is presented for experiments where the tau direction of flight is not reconstructed. The proposed interactions may be due to charged…

High Energy Physics - Phenomenology · Physics 2009-09-25 Pablo E. Lacentre

Tau-leaping is a popular discretization method for generating approximate paths of continuous time, discrete space, Markov chains, notably for biochemical reaction systems. To compute expected values in this context, an appropriate…

Numerical Analysis · Mathematics 2014-08-04 David F. Anderson , Desmond J. Higham , Yu Sun

In a cyclotron-based proton therapy facility, the energy changes are performed by means of a degrader of variable thickness. The interaction of the proton beam with the degrader creates energy tails and increases the beam emittance. A…

Accelerator Physics · Physics 2018-06-13 V. Rizzoglio , A. Adelmann , C. Baumgarten , D. Meer , J. Snuverink , V. Talanov

We describe modifications made to KORALZ version 4.03 in order to allow for anomalous magnetic and electric dipole moments of the tau. We discuss the verification of the method at LEP 1 energies.

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Paul , Z. Was

The first calculation of the next-to-leading-order electroweak corrections to Z-boson + jet hadroproduction including leptonic Z-boson decays is presented, i.e. to the production of a charged lepton--anti-lepton final state in association…

High Energy Physics - Phenomenology · Physics 2015-05-27 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück
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