Zoho inventory is a cloudbased inventory and warehouse management solution for smbs. Besiii physical offline data analysis on virtualization. Cosmicray data of 90 m events have been collected and used for calibration, alignment as well as detector tuning. The offline software for the besiii experiment and the control flow for data processing are described. The zdd was designed in frascati in the year 2010, built, tested and installed in 2011. If you do not have an ihep networking account, it is better to check out the official offline software page of besiii. The bes iii offline software is based on gaudi and uses geant4 to. This contribution introduces the besiii specific framework implementation for simulation. 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 simulation and reconstruction software is based on geant4 and has been implemented into. Simulation, calibration, reconstruction, and analysis use boss besiii offline software system, a software framework based on root 7 among other components. Offline softwarebeijing spectrometerbesiii experiment. This version also lets you select and manage shipping providers for your orders. Based on these results, a preliminary digitization model is implemented in the besiii offline software system.
A special tracking algorithm for the besiii muon counter is developed and verified with montecarlo simulation and then further confirmed with the 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. 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. Status of besiii event reconstruction system besiii offline software group 2006. The besiii offline software sources are stored in cvs and can be accessed using the cvs command. This gitbook describes the use of the besiii offline software system boss. The software is managed by cmt and supported by many external libraries like gdml, cernlib, geant4, root and so on. The cmt is used as the software configuration management tool. Hepevt g4event mctruth digits hits rawdata cnvsvc bes iii rawdata generator event converters simulation digitization reconstruction algorithms calibration algorithms rechits rectracks. 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. Based on these studies, a preliminary digitization model is implemented in the besiii offline software. Besiii software configuration management ma qiumei. A data quality monitoring software framework for the.
The besiii oine software system boss is built on the gaudi architecture. The beijing spectrometer besiii is a particle detector experiment situated at the beijing electronpositron collider bepcii. Rec ana detector service caliration service physics service event data. 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. Low transverse momentum track reconstruction based on the.
The besiii offline analysis software system and computing environment zepu mao march. 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. The besiii detector and offline software inspire inspire hep. The com port must be different in the different operating software instances. The results show that this tracking method improves reconstruction efficiency at the low transverse momentum region. In besiii, tracking and momentum measurements for charged particles are made by a. Bes iii software boss bes offline software system based on gaudi.
A dqm framework dqmf has been developed to make it possible to reuse the besiii offline reconstruction system in the online environment. The besiii experiment at bepcii changzheng yuan ihep, beijing. This tracking algorithm is implemented in the besiii offline software system, and its performance is checked using both monte carlo and data. 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. Take all library drives offline see taking a device offline.
The besiii offline software system is built on the gaudi architecture. Offline software boss bes offline software system based on gaudi. The construction of the besiii experiment sciencedirect. 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. Always attempt to take the library offline with acsls or els tape management software before using slc. The software uses some external hep libraries such as cernlib, clhep, root, geant4 etc. 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. Study of besiii muc offline software with cosmicray data.
There are three types data stored in mysql database. Research on fine grained event service for the besiii offline software and its scheduling mechanism and research on besiii offline software and. Its free version lets you manage 20 online orders, 20 offline orders, 12 shipments, and 1 warehouse per month. The software is implemented into the besiii offline software system boss, capable to perform a full simulation and reconstruction of the besiii detector. Provide accessible and uptodate tutorials on working with boss. Besiii collaboration workshop on data quality and software held. The besiii detector finished accumulating a sample of 10 billion j. The simulation and reconstruction software is based on geant4 and has been implemented into the besiii offline software system. 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. With the software tool, tuning and analysis utilities tau, its system performance has been measured. Besiii, with its greater luminosity, will require an even larger amount of monte carlo than cleoc. The obtained strip resolutions are in good agreement with the design values.
Design and construction of the besiii detector inspirehep. 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. Besiii common analysis tools clhep, histogramming and bparticle dr. These pages started as a collection of notes, but now aim to serve several purposes. Minnesota bes iii home page minnesota hep home page. The alignment and magnetic field strength measurement have been adopted in the latest version of the besiii offline software system. Beijing spectrometerbesiii experimentinstitute of high. The dqm system separates online daq and offline software environment as much as possible and is easy to expand. 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. Simulation of the besiii endcap time of flight upgrade nasaads.
The bes iii offline software is based on gaudi and uses geant4 to generate monte carlo, with mysql to manage databases. A method for the direct absolute measurement of decay with. 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. Home open zone besiii offline software distributed computing. Rec ana detector service caliration service physics service. Dqm is used to monitor detector status and data quality. Ppt besiii offline software system boss powerpoint. The besiii offline software libraries have been built using the cmt. Multiple instances it is possible to run more than one software instance of the operating software at the same time on the same computer. The boss framework has been developed based on gaudi3, which provides standard interfaces for the common software components.
Since many jobs read the same data, cache hit rates are high and hence most of the traffic flows efficiently over local area networks. Simulation of the besiii endcap time of flight upgrade. Data quality monitoring dqm plays an important role in data taking at the besiii experiments. Chapter 2 the besiii detector and offline software request pdf. 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. Bes iii offline software system and performance test. We begin with the architecture of besiii offline software to understand how it works. 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. The expected performance will be given based on monte carlo simulations and results of cosmic ray and beam tests.
The besiii is a generalpurpose experiment for studying electronpositron collisions at bepcii, which is currently under construction at ihep, beijing. 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 offline software system boss, is an offline data processing software system which is developed based on gaudi framework. 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. The tracking algorithm based on hough transform is proved to be beneficial for the mdc. Overview of the besiii detector besiii offline software main drift chamber timeofflight system electromagnetic calor. Besiii offline software system boss boss development environment framework. Modify or redesign mc events generator and detector simulation packages study the application of geant4 for besiii mc system. The results of the simulations are compared with beam test results and it is shown that a total time. Bes iii computing environment the computing environment for the experiment is composed of about 10 geographically distributed. The results of the simulations are compared with beam test results and it is shown that a total. Besiii physical offline data analysis on virtualization platform.
Alignment and measurement of the magnetic field for the besiii. Monte carlo mc simulations are used to optimize the event selection and background estimation. Introduction to besiii experimentbeijing spectrometer. 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. Therefore, using the cmt tool is the recommended way to modify existing packages or rebuild the examples included in the release. The boss framework has been developed based on gaudi3, which provides standard interfaces for the common software components necessary. In this framework, the dqmf can also simulate a virtual data taking environment, transfer events to the. For this, you in turn need to be a besiii member and have an sso account, which can be done here. Scilit article digitization modeling of a cgem detector. This man page describes how to implement offline system updates with systemd. 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.
Besiii computing environment and dst data wen shuopin. Offline software system transient event store generator simulation digitization gaudi event display simulation reconstruction physics analysis calibration calmdc. This document is inspired by this gnome design whiteboard1. This addition to the software reduces the systematic uncertainty for the physics analysis in cases where the muon counter information is used. Besiii data management system epj web of conferences. Beijing spectrometerbesiii experimentinstitute of high energy. A computing center at ihep and several local centers at collaborating universities are anticipated. Not ready for integration in besiii daq in 20112012. The simulation software is developed in boss framework. Major magnets, superconducting rf cavities and quadrupole magnets, as well as the cryogenics system have been completed, and their installation is under way. 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. Chapter 2 the besiii detector and offline software.
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