The work is performed in the framework of the besiii offline software system boss, the gaudi based, which contains five subprojects such as framework, simulation, calibration, reconstruction, and analysis tools. Ppt besiii offline software system boss powerpoint. Scilit article digitization modeling of a cgem detector. Offline software boss bes offline software system based on gaudi. The offline software for the besiii experiment and the control flow for data processing are described. These pages started as a collection of notes, but now aim to serve several purposes. Bes iii offline software system and performance test. The software is managed by cmt and supported by many external libraries like gdml, cernlib, geant4, root and so on. Alignment and measurement of the magnetic field for the besiii. A dqm framework dqmf has been developed to make it possible to reuse the besiii offline reconstruction system in the online environment. This addition to the software reduces the systematic uncertainty for the physics analysis in cases where the muon counter information is used. The software uses some external hep libraries such as cernlib, clhep, root, geant4 etc.
This tracking algorithm is implemented in the besiii offline software system, and its performance is checked using both monte carlo and data. Beijing spectrometerbesiii experimentinstitute of high. In this framework, the dqmf can also simulate a virtual data taking environment, transfer events to the. Simulation, calibration, reconstruction, and analysis use boss besiii offline software system, a software framework based on root 7 among other components. This version also lets you select and manage shipping providers for your orders. A data quality monitoring software framework for the. Minnesota bes iii home page minnesota hep home page.
Besiii common analysis tools clhep, histogramming and bparticle dr. The expected performance will be given based on monte carlo simulations and results of cosmic ray and beam tests. A computing center at ihep and several local centers at collaborating universities are anticipated. Besiii software configuration management ma qiumei. Status of besiii event reconstruction system besiii offline software group 2006. Home open zone besiii offline software distributed computing. Always attempt to take the library offline with acsls or els tape management software before using slc. The existing physics analysis applications for the besiii experiment like bes offline software system boss 7 or sniper 8 should use the system to access local and remote data without much. Besiii physical data analysis on virtualization platform. Design and construction of the besiii detector inspirehep. A data quality monitoring software framework for the besiii. Dqm is used to monitor detector status and data quality. May 12, 2018 this tracking algorithm is implemented in the besiii offline software system, and its performance is checked using both monte carlo and data. The results of the simulations are compared with beam test results and it is shown that a total.
The construction of the besiii experiment sciencedirect. The results of the simulations are compared with beam test results and it is shown that a total time. Chapter 2 the besiii detector and offline software. Besiii physical offline data analysis on virtualization. Besiii, with its greater luminosity, will require an even larger amount of monte carlo than cleoc. Chapter 2 the besiii detector and offline software request pdf. The besiii offline software sources are stored in cvs and can be accessed using the cvs command. Introduction to besiii experiment besiii at the bepcii accelerator is a major upgrade of besii at the bepc for the studies of hadron physics and. This document is inspired by this gnome design whiteboard1. There are three types data stored in mysql database. The boss framework has been developed based on gaudi3, which provides standard interfaces for the common software components necessary.
Its free version lets you manage 20 online orders, 20 offline orders, 12 shipments, and 1 warehouse per month. We begin with the architecture of besiii offline software to understand how it works. The besiii offline software libraries have been built using the cmt. Simulation of the besiii endcap time of flight upgrade. It is primarily designed to perform studies of charmonium and charm physics, light hadrons, determination of the tau mass, and r r r scans at a centerofmass energy of ranging between 2 to 5 gev. Besiii offline software the besiii offline software10, named boss, is a new offline data processing software system developed based on gaudi framework according to the requirements of besiii experiment. The zdd was designed in frascati in the year 2010, built, tested and installed in 2011. The bes iii offline software is based on gaudi and uses geant4 to. Data quality monitoring dqm plays an important role in data taking at the besiii experiments. The besiii offline software system is built on the gaudi architecture. The tracking algorithm based on hough transform is proved to be beneficial for the mdc. Zoho inventory is a cloudbased inventory and warehouse management solution for smbs. A method for the direct absolute measurement of decay with.
Major magnets, superconducting rf cavities and quadrupole magnets, as well as the cryogenics system have been completed, and their installation is under way. Besiii offline software system boss boss development environment framework. Study of besiii muc offline software with cosmicray data. The results of a full simulation of an endcap timeofflight detector upgrade based on multigap resistive plate chambers for the besiii experiment are presented. The com port must be different in the different operating software instances. The cylindrical core of the besiii detector consists of a heliumbased multilayer drift chamber mdc, a plastic scintillator timeofflight system tof, and a csitl electromagnetic calorimeter emc, which are all enclosed in a superconducting solenoidal magnet providing a 1. If you do not have an ihep networking account, it is better to check out the official offline software page of besiii. Multiple instances it is possible to run more than one software instance of the operating software at the same time on the same computer. Cosmicray data of 90 m events have been collected and used for calibration, alignment as well as detector tuning. The bes iii offline software is based on gaudi and uses geant4 to generate monte carlo, with mysql to manage databases. Distributions related to the lorentz angle, the diffusion effect, the drift time, the multiplication and the signal induction on the readouts are obtained from this simulation. Besiii data management system epj web of conferences. Hepevt g4event mctruth digits hits rawdata cnvsvc bes iii rawdata generator event converters simulation digitization reconstruction algorithms calibration algorithms rechits rectracks. By offline os updates we mean package installations and updates that are run with the system booted into a special system update mode, in order to avoid problems related to conflicts of libraries and services that are currently running with those on disk.
The results of a full simulation of an endcap time of flight detector upgrade based on multigap resistive plate chambers for the besiii experiment are presented. The simulation software is developed in boss framework. The cmt is used as the software configuration management tool. The obtained strip resolutions are in good agreement with the design values. Based on these studies, a preliminary digitization model is implemented in the besiii offline software. Beijing spectrometerbesiii experimentinstitute of high energy. Low transverse momentum track reconstruction based on the. Bes iii software boss bes offline software system based on gaudi. Offline softwarebeijing spectrometerbesiii experiment.
This man page describes how to implement offline system updates with systemd. Not ready for integration in besiii daq in 20112012. This contribution introduces the besiii specific framework implementation for simulation. The beijing spectrometer besiii is a particle detector experiment situated at the beijing electronpositron collider bepcii. Lhc experiments make extensive use of web proxy caches, especially for software distribution via the cernvm file system and for conditions data via the frontier distributed database caching system. Therefore, using the cmt tool is the recommended way to modify existing packages or rebuild the examples included in the release. In besiii, tracking and momentum measurements for charged particles are made by a.
Besiii offline software system boss, is an offline data processing software system which is developed based on gaudi framework. The besiii detector finished accumulating a sample of 10 billion j. Boss can only be of use if you are a member of the besiii collaboration and if you have access to the software of this collaboration. Besiii physical offline data analysis on virtualization platform. Besiii offline software the besiii offline software 10, named boss, is a new offline data processing software system developed based on gaudi framework according to the requirements of besiii experiment. Provide accessible and uptodate tutorials on working with boss. Besiii collaboration workshop on data quality and software held. Monte carlo mc simulations are used to optimize the event selection and background estimation. Introduction to besiii experimentbeijing spectrometer. The besiii is a generalpurpose experiment for studying electronpositron collisions at bepcii, which is currently under construction at ihep, beijing.
The boss framework has been developed based on gaudi3, which provides standard interfaces for the common software components. The simulation and reconstruction software is based on geant4 and has been implemented into the besiii offline software system. Modify or redesign mc events generator and detector simulation packages study the application of geant4 for besiii mc system. Jan 01, 2015 the software is implemented into the besiii offline software system boss, capable to perform a full simulation and reconstruction of the besiii detector. T he b esiii offline software 10, named bo ss, is a new offline data processing software system developed based on ga udi framework according to the requirements of besiii experimen t. Take all library drives offline see taking a device offline.
The besiii detector and offline software inspire inspire hep. The dqm system separates online daq and offline software environment as much as possible and is easy to expand. For this, you in turn need to be a besiii member and have an sso account, which can be done here. The besiii experiment at bepcii changzheng yuan ihep, beijing. The software is implemented into the besiii offline software system boss, capable to perform a full simulation and reconstruction of the besiii detector. Based on these results, a preliminary digitization model is implemented in the besiii offline software system. Overview of the besiii detector besiii offline software main drift chamber timeofflight system electromagnetic calor. Besiii offline software system boss framework algorithms, services, io, converters, apps offline database oflline data process event generator offline calibration detector simulation reconstruction event display physics analysis evtgen geant4 gaudi root mc calib. Besiii computing environment and dst data wen shuopin. The besiii offline analysis software system and computing environment zepu mao march. The results show that this tracking method improves reconstruction efficiency at the low transverse momentum region. Since many jobs read the same data, cache hit rates are high and hence most of the traffic flows efficiently over local area networks. Besides a comparison of the simulated results with the data taken during a beam test, the enhanced capability of pion and kaon separation in the upgraded besiii detector is investigated.
Simulation of the besiii endcap time of flight upgrade nasaads. The besiii offline analysis software system and computing. Based on these studies, a preliminary digitization model is implemented in the besiii offline software system and the preliminary result is reasonable. Offline software system transient event store generator simulation digitization gaudi event display simulation reconstruction physics analysis calibration calmdc. Rec ana detector service caliration service physics service. This gitbook describes the use of the besiii offline software system boss. The simulation and reconstruction software is based on geant4 and has been implemented into. The besiii offline computing system is designed to have a pc farm of about 2000 nodes for both data and monte carlo production, as well as data analysis. In this contribution, we present an ongoing work, which aims at benefiting besiii computing system for higher resource utilization and more efficient job operations brought by cloud and virtualization technology with openstack and kvm.
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