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Related papers: TauDecay: a library to simulate polarized tau deca…

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The hadronic tau decay $\tau^- \to \nu_\tau \eta \pi^- \pi^0$ occurs through V-A weak current. In this decay mode, the vector current contribution is intrinsic parity violating and the axial current contribution is G parity violating. The…

High Energy Physics - Phenomenology · Physics 2014-11-12 Daiji Kimura , Takuya Morozumi , Hiroyuki Umeeda

The polarization effects in the one-meson radiative decay of the polarized $\tau$ lepton, $\tau^-\to\pi^-\gamma\nu_{\tau}$, have been investigated. We present the analytical results for the $t-$distribution of the partial differential…

High Energy Physics - Phenomenology · Physics 2019-11-12 G. I. Gakh , M. I. Konchatnij , N. P. Merenkov

A search for the decay of the tau lepton to five charged and two neutral pions is performed using data collected by the BABAR detector at the PEP-II asymmetric-energy e+e- collider. The analysis uses 232 fb-1 of data at center-of-mass…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert

The Python package teareduce has been developed to support teaching activities related to the reduction of astronomical data. Specifically, it serves as instructional material for students participating in practical classes on the…

Instrumentation and Methods for Astrophysics · Physics 2026-01-30 Nicolás Cardiel , Sergio Pascual , María Chillarón-Víctor , Cristina Cabello , Jesús Gallego , Jaime Zamorano , María Teresa Ceballos

$\tau$ leptons emitted in cascade decays of supersymmetric particles are polarized. The polarization may be exploited to determine spin and mixing properties of the neutralinos and stau particles involved.

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Y. Choi , K. Hagiwara , Y. G. Kim , K. Mawatari , P. M. Zerwas

After a rapid increase in temperature across the deconfinement temperature $% T_{d}$, pure gauge theories exhibit unstable long wavelength fluctuations in the approach to equilibrium. This phenomenon is analogous to spinodal decomposition…

High Energy Physics - Lattice · Physics 2009-10-31 Travis R. Miller , Michael C. Ogilvie

We explore the prospects for searches at the LHC for sparticle decays that violate $\tau$ lepton number, in the light of neutrino oscillation data and the seesaw model for neutrino masses and mixing. We analyse the theoretical and…

High Energy Physics - Phenomenology · Physics 2010-05-12 E. Carquin , J. Ellis , M. E. Gomez , S. Lola , J. Rodriguez-Quintero

Selected results on hadronic decays of the tau lepton from the TAU98 Workshop are reviewed. A comprehensive picture emerges for strange particle branching fractions, and exploration of resonant substructure of both strange and non-strange…

High Energy Physics - Experiment · Physics 2009-10-31 Brian Heltsley

We analyze the decays $\tau^-\to K^-(\eta^{(\prime)},K^0) \nu_\tau$ within an effective field theory that includes the most general interactions between Standard Model fields up to dimension six, assuming left-handed neutrinos. In…

High Energy Physics - Phenomenology · Physics 2020-02-19 Sergi Gonzàlez-Solís , Alejandro Miranda , Javier Rendón , Pablo Roig

We introduce the construction of polarized intensity cubes $P$(RA, Dec, $\Phi$) and their visualization as movies, as a powerful technique for interpreting Faraday structure. $P$ is constructed from maps of peak polarized intensity P(RA,…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-24 Lawrence Rudnick , Craig Anderson , William D. Cotton , Alice Pasetto , Emma Alexander , Mehrnoosh Tahani

The hadronic current for the $\tau^- \to \pi^-\pi^+\pi^-\nu_\tau$ decay calculated in the framework of the Resonance Chiral Theory with an additional modification to include the $\sigma$ meson is described. Implementation into the Monte…

High Energy Physics - Phenomenology · Physics 2015-06-23 Olga Shekhovtsova

The udkm1Dsim toolbox is a collection of Python classes and routines to simulate the thermal, structural, and magnetic dynamics after laser excitation as well as the according X-ray scattering response in one-dimensional sample structures.…

Computational Physics · Physics 2021-05-31 Daniel Schick

Observational study of galactic magnetic fields is limited by projected observables. Comparison with numerical simulations is helpful to understand the real structures, and observational visualization of numerical data is an important task.…

Astrophysics of Galaxies · Physics 2018-11-14 Mami Machida , Takuya Akahori , Kenji Nakamura , Hiroyuki Nakanishi , Marijke Haverkorn

Semileptonic exclusive tau decays in the Standard Model are reviewed. As it is well-known, they are a privileged arena to learn about low-energy hadronization. They also allow for a number of clean new physics tests, which have attracted…

High Energy Physics - Phenomenology · Physics 2025-07-15 P. Roig

The program MadGraph is presented which automatically generates postscript Feynman diagrams and Fortran code to calculate arbitrary tree level helicity amplitudes by calling HELAS[1] subroutines. The program is written in Fortran and is…

High Energy Physics - Phenomenology · Physics 2009-10-28 T. Stelzer , W. F. Long

Using the CLEO II detector at the $e^+e^-$ storage ring CESR, we have determined the Michel parameters $\rho$, $\xi$, and $\delta$ in $\tau^\mp \to l^\mp\nu\bar{\nu}$ decay as well as the tau neutrino helicity parameter $h_{\nu_\tau}$ in…

High Energy Physics - Experiment · Physics 2010-04-08 CLEO Collaboration , J. P. Alexander et al

We present our study of the hadronization structure of both vector and axial-vector currents leading to decays of the tau into two kaons and a pion. The cornerstones of our framework are the large-N_C limit of QCD, the chiral structure…

High Energy Physics - Phenomenology · Physics 2014-11-18 Pablo Roig

An intrinsic parity violating hadronic tau lepton decay is investigated. $\tau \to \pi \pi \eta \nu$ is the process in which the dominant contribution to the amplitude is due to the intrinsic parity violation. To predict the hadronic…

High Energy Physics - Phenomenology · Physics 2015-08-13 Takuya Morozumi , Hiroyuki Umeeda , Daiji Kimura

In many SUSY models the first SUSY signal in the proposed International Linear Collider is expected to come from the pair production of $\tilde\tau_1$, followed by its decay into $\tau$+LSP. We study a simple and robust method of measuring…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. M. Godbole , Monoranjan Guchait , D. P. Roy

In this work, we have conducted a comprehensive and systematic theoretical investigation of the full cascade decays of charged pseudoscalar mesons, specifically $D_s$, $D$, $B$, and $B_c$, into $\tau \nu_\tau$, followed by the subsequent…

High Energy Physics - Phenomenology · Physics 2026-04-17 Quan-Yi Hu