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Fabrication of a Dipole-assisted Solid Phase Extraction Microchip for Trace Metal Analysis in Water Samples

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Published on: August 7, 2016

Some dipole shower studies.

Baptiste Cabouat^1,2, Torbjörn Sjöstrand¹

¹1Theoretical Particle Physics, Department of Astronomy and Theoretical Physics, Lund University, 223 62, Lund, Sweden.

The European Physical Journal. C, Particles and Fields

|July 2, 2019

Summary

This summary is machine-generated.

We introduce a dipole picture for initial-state parton showers in Pythia, improving high-energy collision descriptions. This method accurately models Deeply Inelastic Scattering data, offering a robust alternative to global-recoil strategies.

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Area of Science:

High-energy physics
Quantum chromodynamics
Particle physics phenomenology

Background:

Parton showers are essential for simulating high-energy collisions.
Current methods primarily use dipole showers for final-state radiation.
Initial-state showers traditionally employ a global-recoil strategy.

Purpose of the Study:

To implement and evaluate a dipole picture for initial-state parton showers in the Pythia event generator.
To compare the dipole approach with the existing global-recoil method and experimental data.
To assess the accuracy of the dipole picture for initial-state radiation, particularly in Deeply Inelastic Scattering.

Main Methods:

Implementation of a dipole-based parton shower model for initial-state radiation within Pythia.
Comparison of simulation results with experimental data from Deeply Inelastic Scattering (DIS) processes.
Validation against matrix element calculations for the first branching in DIS.

Main Results:

The dipole picture for initial-state radiation provides a good description of Deeply Inelastic Scattering.
The implemented dipole model shows good agreement with experimental data across the phase space for the first branching.
The dipole approach offers a viable and accurate alternative to the global-recoil strategy for initial-state showers.

Conclusions:

The dipole picture is a successful and accurate method for describing initial-state parton showers.
This implementation in Pythia enhances the simulation of high-energy collisions, especially DIS.
Further studies can explore the dipole picture for more complex branching scenarios.