English
Related papers

Related papers: Status of Phokhara

200 papers

A new Monte Carlo program for photohadronic interactions of relativistic nucleons with an ambient photon radiation field is presented. The event generator is designed to fulfil typical astrophysical requirements, but can also be used for…

Astrophysics · Physics 2011-05-05 A. Muecke , Ralph Engel , J. P. Rachen , R. J. Protheroe , Todor Stanev

The measurement of the pion form factor and, more generally, of the cross section for electron--positron annihilation into hadrons through the radiative return has become an important task for high luminosity colliders such as the $\Phi$-…

High Energy Physics - Phenomenology · Physics 2011-09-13 Henryk Czyz , Agnieszka Grzelinska , Johann H. Kuhn , German Rodrigo

The status of the Monte Carlo programs for the simulation of the tau-lepton production and decay in high energy accelerator experiments is reviewed. In particular, the status of the following packages is discussed: (i) TAUOLA for tau-lepton…

High Energy Physics - Phenomenology · Physics 2009-11-07 Z. Was

We discuss the first applications of our newly developed Monte Carlo event generator SOPHIA to multiparticle photoproduction of relativistic protons with thermal and power law radiation fields. The measured total cross section is reproduced…

Astrophysics · Physics 2015-06-24 A. Muecke , J. P. Rachen , R. Engel , R. J. Protheroe , T. Stanev

We calculate the processes e+ e- -> 4 pions and tau -> nu_tau + 4 pions to O(p^4) in the low-energy expansion of the standard model. The chiral amplitudes of O(p^4) can be extended via resonance exchange to energies around 1 GeV.…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. Ecker , R. Unterdorfer

Status of tau lepton decay Monte Carlo generator TAUOLA, its main applications and recent developments are reviewed. It is underlined, that in recent efforts on development of new hadronic currents, the multi-dimensional nature of…

High Energy Physics - Phenomenology · Physics 2016-12-04 Z. Was

Status of tau lepton decay Monte Carlo generator TAUOLA, and its main recent applications are reviewed. It is underlined, that in recent efforts on development of new hadronic currents, the multi-dimensional nature of distributions of the…

High Energy Physics - Phenomenology · Physics 2019-07-02 V. Cherepanov , E. Richter-Was , Z. Was

The Monte Carlo for lepton pair production and tau decays consist of KKMC for lepton pair production, tauola for tau lepton decays and photos for radiative corrections in decays. An effort for adaptation of the system for precision data to…

High Energy Physics - Phenomenology · Physics 2025-07-16 Sw. Banerjee , D. Biswas , T. Przedzinski , Z. Was

The feasibility of a measurement of the electric and magnetic nucleon form factors at $B$-meson factories through the radiative return is studied. Angular distributions allow a separation of the contributions from the two form factors. The…

High Energy Physics - Phenomenology · Physics 2010-02-03 Henryk Czyz , Johann H. Kuhn , Elzbieta Nowak , German Rodrigo

The status of the Monte Carlo programs for the simulation of tau-lepton production and decay in high-energy accelerator experiments is reviewed. No significant changes in the organization of the programs were introduced since previous TAU…

High Energy Physics - Phenomenology · Physics 2008-11-26 Z. Was

This contribution provides brief descriptions the current status of the basic Monte Carlo event generators for top-quark production and decays.

High Energy Physics - Phenomenology · Physics 2007-05-23 S. R. Slabospitsky

This paper presents an overview of Monte Carlo(MC) event generators for simulation of proton-proton collisions along with the results on hadron production at Nuclotron-based Ion Collider fAcility (NICA) energies. Namely, mean…

High Energy Physics - Phenomenology · Physics 2023-10-31 Maxim Azarkin , Martin Kirakosyan

KLOE and Babar have an observed discrepancy of 2% to 5% in the invariant pion pair production cross section. These measurements are based on approximate NLO $ \mu^+ \mu^- \gamma $ cross section predictions of the Monte Carlo event generator…

High Energy Physics - Phenomenology · Physics 2015-06-18 F. Campanario , H. Czyż , J. Gluza , M. Gunia , T. Riemann , G. Rodrigo , V. Yundin

We present EKHARA Monte Carlo event generator of reactions e+e- to e+e- pi0 and e+e- to e+e- pi+pi-. The newly added channel (e+e- to e+e-pi0) is important for gamma*gamma* physics and can be used for the pion transition form factor studies…

High Energy Physics - Phenomenology · Physics 2011-04-05 Henryk Czyz , Sergiy Ivashyn

We discuss the theoretical approach and practical algorithms for simulation of radiative events in elastic ep-scattering. A new Monte Carlo generator for real photon emission events in the process of elastic electron-proton scattering is…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. V. Afanasev , I. Akushevich , A. Ilyichev , B. Niczyporuk

The status of the Monte Carlo programs for the simulation of the $\tau$ lepton production in high energy accelerator experiments and decay is reviewed. In particular, the status of the following packages is discussed: (i) TAUOLA for…

High Energy Physics - Phenomenology · Physics 2009-10-31 Z. Was

We report on the status of the Monte Carlo event generator WOPPER. Version 1.1 of WOPPER describes four fermion production at LEP-II and beyond with leading logarithmic radiative corrections in the double W pole approximation. These…

High Energy Physics - Phenomenology · Physics 2010-11-11 Harald Anlauf , Hans D. Dahmen , Angelika Himmler , Panagiotis Manakos , Thomas Mannel , Thorsten Ohl

Radiative corrections to the annihilation of proton--antiproton into electron--positron are revisited, including virtual and real (soft and hard) photon emission. This issue is relevant for the time-like form factors measurements planned at…

High Energy Physics - Phenomenology · Physics 2020-03-18 Yu. M. Bystritskiy , V. A. Zykunov , A. Dbeyssi , M. Zambrana , F. Maas , E. Tomasi-Gustafsson

We present a partonic Monte Carlo event generator that can be used for calculating the group independent kinematical functions of any infrared safe four-jet observable at NLO accuracy. As an example, we calculate the differential…

High Energy Physics - Phenomenology · Physics 2009-10-30 Zoltan Nagy , Zoltan Trocsanyi

The investigation of events with Initial State Radiation (ISR) and subsequent Radiative Return has become an impressively successful and guiding tool in low and intermediate energy hadron physics with electron positron colliders: it allows…

High Energy Physics - Experiment · Physics 2008-11-07 W. Kluge