The STAR experiment

To use Hijing for simulation purposes, one must first run Hijing proper and generate event files, then feed these data to starsim to complete the GEANT part.

Introduction

There are two ways, which are slightly different, to run the Pythia event generator in the context of the Starsim application. In the original (old) design, the dynamic library apythia.so served both as an adapter and a container for the standard Pythia library that would typically come with a CERNLIB distribution. The problem with this approach is of course that Pythia in itself is not a static piece of software and receives periodic updates. It is difficult or impossible, therefore, to modify the apythia.so component without affecting, in one way or another, various analyses as the consistency of the code is broken at some point.

It possible, however, to refactor the Pythia adaptor in such a way that the Pythia library proper can be loaded separately. This gives the user the ability to choose a specific version of the Pythia code to be run in their simulation. Different users, therefore, can use different versions of Pythia concurrently in Starsim, which is in everybody's interest. The thus modified wrapper was given the mneumonic name bpythia.so (it should be easy to memorize since "b"-pythia follows "a"-pythia). We have also decided the freeze the Pythia version linked into apythia.so at 6.205, and select subsequent versions bpythia.so as explained on the bottom of this page.

min-bias run list from Anders.


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Centrality Dependance

5% central » Read more Coulomb and strong (Xi*) FSI + hadronic rescattering ( discussing Xi*/Xi results) Updated on Fri, 2007-01-19 10:26. Originally created by petrchal on 2007-01-19 10:26. Reference Meeting : STAR HBT phone meeting Talk time : 10:40, Duration : 00:20 Update (Omega and K0s peak in Pi+Pi- CF; EMCICs fit to p+p and d+Au data) Updated on Fri, 2007-01-19 10:21. Originally created by chajecki on 2007-01-18 23:38. Reference Meeting : STAR HBT phone meeting Speaker : Zbigniew Chajecki ( OSU ) Talk time : 10:30, Duration : 00:10 http://www.star.bnl.gov/protected/hbt/chajecki/meetings/2007/0119/meeting.pdf HPD presentation Updated on Thu, 2007-01-11 12:01. Originally created by testadmin on 2007-01-11 12:00. Reference Meeting : Follow-up to STAR's tracking upgrade review Speaker : H. Caines ( Yale ) Talk time : 11:00, Duration : 01:00 Update on SSD negotiations Updated on Thu, 2007-01-11 12:00. Originally created by testadmin on 2007-01-11 11:54. Reference Meeting : Follow-up to STAR's tracking upgrade review Speaker : T. Hallman ( BNL ) Talk time : 10:30, Duration : 00:15 IST presentation Updated on Thu, 2007-01-11 12:09. Originally created by jeromel on 2007-01-11 11:52. Reference Meeting : Follow-up to STAR's tracking upgrade review Speaker : B. Surrow ( MIT ) Talk time : 09:30, Duration : 01:00 Follow-up to STAR's tracking upgrade review Updated on Thu, 2007-01-11 12:17. Originally created by jeromel on 2007-01-11 11:47. computing Start: -00-00 Timezone: Thursday, 1 January 1970 , at 00:00 (GMT), duration : 00:00 Additional information [node:2866] [node:3175] Time Talk Presenter 09:30 IST presentation ( 01:00 ) 1 file B. Surrow (MIT) 10:30 Update on SSD negotiations ( 00:15 ) 0 files T. Hallman (BNL) 11:00 HPD presentation ( 01:00 ) 0 files H. Caines (Yale) Calendar Add talk AOB Updated on Wed, 2007-01-10 10:20. Originally created by testadmin on 2007-01-10 10:19. Reference Meeting : Software and Computing phone meeting Speaker : All ( All ) Talk time : 12:40, Duration : 00:10 Feedback on Drupal? Updated on Wed, 2007-01-10 11:32. Originally created by jeromel on 2007-01-10 10:19. Reference Meeting : Software and Computing phone meeting Speaker : All ( All ) Talk time : 12:30, Duration : 00:10 Please, feedback/comment on the plan described here. ROOT 5 updates Updated on Wed, 2007-01-10 11:47. Originally created by jeromel on 2007-01-10 10:18. Reference Meeting : Software and Computing phone meeting Speaker : J. Lauret Talk time : 12:20, Duration : 00:10 In order to address additional problems reported by users (or we found analyzing ROOT 5 behavior), we have indentified several code in ROOT 5 which need patching. The list follows (courtesy Valeri Fine): table » Read more « first ‹ previous … 2056 2057 2058 2059 2060 2061 2062 2063 2064 … next › last »

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