How to use the AMPTInterface in CMSSW

Complete: 2

Goal of this page

The aim of this page is to document the CMSSW interface to the AMPT Monte-Carlo generator—where the code lives, how to run it, and details of the implementation.

General Info

CMSSW Release Status

The AMPTInterface was first included in CMSSW as of release CMSSW_3_4_0_pre4.

There is a double/float bug in CMSSW versions <5_X. Please check out/compile a later version to make it work.

Ongoing developments

Interface AMPT input parameters in CMSSW


The AMPTInterface code lives in the package GeneratorInterface/AMPTInterface.

Original Generator

The present version of AMPT used in CMSSW is version 1.25/2.25. For more information see: AMPT homepage

Running Instructions

Under construction

Official Configuration files

The file GeneratorInterface/AMPTInterface/python/ contains default parameters for the AMPT generator.

The file GeneratorInterface/AMPTInterface/python/ contains the configuration of a complete generator module (EDFilter).

Physics settings

The settings for various physics scenarios are described in: input.ampt

Under construction

Implementation details

Under construction

Further information


Any questions, suggestions, complaints you have, please send email to the CMS-HI software list (

Review status

Reviewer/Editor and Date Comments
PhilipAllfrey - 3 Dec 2009 created page as part of documentation review

Responsible: WeiLi

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Topic revision: r5 - 2012-07-27 - ColinBaus
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