English
Related papers

Related papers: EKHARA Monte Carlo generator for e+e- to e+e-pi0 a…

200 papers

BHAGEN-1PH is a FORTRAN program providing fast Monte Carlo event generation of the process $e^+ e^- \to e^+ e^- \gamma$, within electroweak theory, for both unpolarized beams and also for the longitudinally polarized electron beam. The…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Caffo , H. Czyz

We realize, by Monte Carlo event generator methods, the exact O}(\alpha)$ YFS exponentiated calculation of $e^+e^- \to W^+ W^- (\to f_1\bar f'_1 + \bar f_2 f'_2)$ at and beyond LEP2 energies, where the left-handed parts of $f_i$ and $f'_i$…

High Energy Physics - Phenomenology · Physics 2009-10-30 S. Jadach , W. Placzek , M. Skrzypek , B. F. L. Ward , Z. Was

Motivated by the ongoing measurements of the Primakoff process pi- gamma* --> pi- pi0 by COMPASS collaboration at CERN, the transition form factor for the canonical anomalous process gamma* --> pi+ pi0 pi- is calculated in a constituent…

High Energy Physics - Phenomenology · Physics 2013-05-30 Sanjin Benic , Dubravko Klabucar

In the experiment with the SND detector at VEPP-2M e^+e^- collider the process $e^+e^-\to\pi^+\pi^-\pi^0$ was studied in the energy range 2E_0 from 1.04 to 1.38 GeV. A broad peak was observed with the visible mass $M_{vis}=1220\pm 20$ MeV…

We present EEXICC, a Monte Carlo event generator designed to simulate the production of doubly heavy baryons ($\Xi_{cc}$, $\Xi_{bc}$, and $\Xi_{bb}$) via $e^+e^-$ annihilation. Based on nonrelativistic QCD effective theory, the generator…

High Energy Physics - Phenomenology · Physics 2026-05-12 Hong-Tai Li , Xu-Chang Zheng , Xing-Gang Wu , Jiang Yan , Zhi Yang

We present a Monte-Carlo implementation of the Statistical Hadronization Model in e+e- collisions. The physical scheme is based on the statistical hadronization of massive clusters produced by the event generator Herwig within the…

High Energy Physics - Phenomenology · Physics 2015-06-04 C. Bignamini , F. Becattini , F. Piccinini

FASTERD is a Monte Carlo event generator to study the final state radiation both in the $e^+e^-\to\pi^+\pi^-\gamma$ and $e^+e^-\to\pi^0\pi^0\gamma$ processes in the energy region of the $\phi$-factory DA$\Phi$NE. Differential spectra that…

High Energy Physics - Phenomenology · Physics 2009-06-19 O. Shekhovtsova , G. Venanzoni , G. Pancheri

We review the status of theoretical predictions for W-pair production at high energies. We discuss a systematic scenario towards a Monte-Carlo generator for e^+e^- --> 4f(\gamma), which meets the experimental requirements. In particular we…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Beenakker , A. Denner

The quark spin effects have been introduced in the Pythia 8 Monte Carlo event generator for the simulation of $e^+e^-$ annihilation by interfacing the generator with the StringSpinner package. The package allows to simulate quark spin…

High Energy Physics - Phenomenology · Physics 2024-10-16 A. Kerbizi , L. Lönnblad , A. Martin

The pion form factor plays a crucial role in the determination of the contribution of the hadronic vacuum polarisation to the muon anomalous magnetic moment. In order to measure this quantity, energy-scan experiments rely on Monte Carlo…

High Energy Physics - Phenomenology · Physics 2025-12-23 Francesco P. Ucci

This article provides an introduction to the principles of particle physics event generators that are based on the Monte Carlo method. Following some preliminaries, instructions on how to build a basic parton-level Monte Carlo event…

High Energy Physics - Phenomenology · Physics 2020-07-16 Andreas Papaefstathiou

EDDE is a Monte Carlo event generator for different Exclusive and Semi-Inclusive Double Diffractive processes. The program is based on the extended Regge-eikonal approach for "soft" processes. Standard Model and its extensions are used for…

High Energy Physics - Phenomenology · Physics 2007-11-15 V. A. Petrov , R. A. Ryutin , A. E. Sobol , J. -P. Guillaud

We have written the Exclusive Hadronic Monte Carlo Event (ExHuME) generator. ExHuME implements the perturbative QCD calculation of Khoze, Martin and Ryskin of the process pp-> p+X+p, where X is a centrally produced colour singlet system.

High Energy Physics - Phenomenology · Physics 2009-11-11 J. Monk , A. Pilkington

We improve the description of pion-photon interactions in the radiative return process $e^+e^-\to \pi^+\pi^-\gamma$ at the next-to-leading order by including the pion form factor in the Feynman rules. We present a general calculation of the…

High Energy Physics - Phenomenology · Physics 2026-03-16 Pau Petit Rosàs , Olga Shekhovtsova , William J. Torres Bobadilla

We improve the calculations of the $\eta \to \pi^0 \gamma \gamma$ decay within the context of meson chiral lagrangians. We use a chiral unitary approach for the meson-meson interaction, thus generating the $a_0(980)$ resonance and fixing…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Oset , J. R. Pelaez , L. Roca

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

A quark model calculation of the processes gamma gamma -> pi+ pi- and gamma gamma -> pi0 pi0 is performed. At tree level, only charged pions couple to the initial state photons and neutral pions are not expected in the final state. However,…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. G. Blundell , S. Godfrey , G. Hay , E. S. Swanson

We study the processes $e^+ e^-\to 2(\pi^+\pi^-)\pi^0\gamma$, $2(\pi^+\pi^-)\eta\gamma$, $K^+ K^-\pi^+\pi^-\pi^0\gamma$ and $K^+ K^-\pi^+\pi^-\eta\gamma$ with the hard photon radiated from the initial state. About 20000, 4300, 5500 and 375…

High Energy Physics - Experiment · Physics 2014-11-18 The BABAR Collaboration , B. Aubert

We present a first study of the scattering process $e^+ e^-\to\pi^+\pi^-\gamma$ beyond next-to-leading order, aimed at providing preliminary insights required for future NNLO predictions for radiative return processes. A complete…

High Energy Physics - Phenomenology · Physics 2026-04-29 Thomas Dave , Jérémy Paltrinieri , Pau Petit Rosàs , William J. Torres Bobadilla
‹ Prev 1 4 5 6 7 8 10 Next ›