Registration Number
0215U004435,
0114U007355
, R & D reports
Title
Data processing from the Large Hadron Collider in grid-infrastructure CMS experiment
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Head
Levchuk Leonid Guennadievich, Кандидат фізико-математичних наук
Registration Date
16-04-2015
Organization
National Science Center "Kharkiv Institute of Physics and Technology
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The specialized NSC KIPT computer system is the active element of grid-infrastructure of experiment of CMS working at its 2nd "circle" (T2_UA_KIPT T2 center). In 2014 It was performed large volume of work on preparation of information infrastructure of CMS to a new session the LHC which will begin at the beginning of 2015 and in which the collider will work with the design parameters - energy in collision of protons ~ 13-14 TEV and luminosity ~ 1034 cm-2s-1. General check, before start of a collider, operability of all infrastructure of CMS for data processing - "Computing/Software/Analysis (CSA) Challenge - 2014" (CSAC-2014) which is carried out in July-September, 2014 was very important event in experiment of CMS, within preparation for the 2nd session the LHC. Ensuring direct participation of T2_UA_KIPT T2 center in it was one of the main tasks of this project for 2014. This participation will give prospects of further data processing of experiment of CMS on the T2_UA_KIPT complex in the period of the 2nd session the LHC. Despite of the difficulties caused by a shortcoming (is 1.5-2 times less than requirements of CMS) computing and disk resources and the insufficient width of a communication channel, it was succeeded to provide high stability and reliability of work of T2 center of T2_UA_KIPT that allowed a complex to take full-scale participation in CSAC-2014. As a result of this participation to a complex it was transferred more than 100 Terabyte (with which 20 Terabyte - in December) data of CMS (generally the events generated by the Monte-Carlo method) which is comparable with annual transfer on a complex of data from a collider in the period of the first session the LHC. Intensity of use of its computing resources in 2014 made 31.4 thousand kHEPspec-hours (1.61 thousand kHEPspec-hours in December) that is one and a half times more, than for previous year. As a result the management of CMS suggested to reckon support of the T2_UA_KIPT complex in 2014 at the level of 9.5 FTE months of service works on service of experiment of CMS that is much more, than in previous years. Also large volume of a job in the physical analysis of CMS which are already got in experiment this was executed. Search of SUSY particles is continued, the inclusive births of ?-mezonov in a proton - proton and kernel-core collisions, and also processes Drella-Yana in kinematic area that answers creation of a Z-boson, with working off of algorithms of a dekonvolyution of ranges of mass of muonic couples are studied.
Product Description
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Бунецький Олег Олегович
Горбенко Євген Степанович
Кізка Валерій Олександрович
Кліменко Кім Олександрович
Левчук Леонід Геннадійович
Лук'яненко Сергій Тимофійович
Попов Віктор Пилипович
Приставка Олександр Сергійович
Сорокін Павло Володимирович
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2020-04-02
