Conveners
Session 3; 8-nov 2017;
- Paweł Horodek
Data Quality Assurance plays an important role in many high-energy physics experiments, e.g. the ALICE experiment at Large Hadron Collider (LHC) in CERN. Currently employed quality assurance methods rely heavily on manual labour and human expert judgments. This is also true for the Time Projection Chamber (TPC), one of the detectors employed by the ALICE experiment. To ease the burden of human...
The identification of hadrons in experiments on the study of hot and dense baryonic matter is an important and complex task. Particles identification in the BM@N and MPD setups is performed by a time-of-flight system based on multi-gap RPC. The assembly and installation of the BM@N time-of-flight system is almost complete and has a time resolution of about 90 ps. The design of the MPD...
Physics goals of Multi Purpose Detector (MPD) require excellent particle identification (PID) capability over as large as possible phase space volume. Identification of charged hadrons and light nuclei is achieved at momenta 0.1 – 3 GeV/c. PID uses measurements by a time-of-flight (TOF) which are complemented by the energy loss (dE/dx) information from the time projection chamber (TPC). PID...
Basic measurements of p+p collisions are required either, as a benchmark for the heavy-ion collision measurements, and to obtain a better understanding of light collision systems. In this work, the MC simulation and reconstruction of p+p collisions at √s = 4 - 20 GeV was performed to explore the possibilities of using the Multi-Purpose Detector (MPD) to register data from p+p collisions at the...
Heavy-ion collisions allow us to study the properties of nuclear matter – especially Quark-Gluon Plasma (QGP) state, where the quarks and gluons are deconfined. To study space-time parameters the method of femtoscopy is used. This method provides measuring the size of the particle-emitting source which is not measurable directly. From non-identical particles correlations, we can obtain...
The technical issues considering the provision of fast heterogeneous acquisition and diagnostic system for soft X-ray are discussed. The system is designated for the deployment in WEST thermal fusion reactor in CEA. Cadarache, France. The advancement in development for data processing of computational back-end are presented. The ultimate objective is to provide a fast data processing...
The study of strangeness production in nuclear collisions is one f the main tasks of the NICA/MPD physics program. Essential signatures of excited and compressed baryonic matter could be provide by heavy strange objects.
Study of hypernuclei is important for:Understanding the strangeness degrees of freedom in hadronic systems; Study of all populated regions in the three-dimensional chart of...
Big modern physics experiments represent a collaboration of workgroups and require wide variety of different electronic equipment. Besides trigger electronics or Data acquisition system (DAQ), there is a hardware that is not time-critical, and can be run at a low priority. Slow Control system are used for setup and monitoring such hardware.
Slow Control systems in a typical experiment are...
Baryonic Matter at Nuclotron is a fixed-target heavy ion experiment which is currently under construction at JINR LHEP (Dubna, Russia) and is scheduled for launch in 2019. “Stage 1” tracking system will be based on 8 GEM planes. CBM groups from Germany and Russia are interested in installation and commissioning of 4 additional CBM-like Silicon Tracking Stations in BM@N by the year 2020, which...
Correlation femtoscopy is a tool to study the spatio-temporal structure of particle emission. Preparation for such measurements at MPD detector require few things.
First task is finding good theoretical models to find out how much data is needed and what measurements precision is required. Second task is measuring detector capabilities. We have to find out what are the detector limitations....
Abstrakt:
The angular correlation function (CF) refers to the correlation of particles in the relative pseudorapidity and relative azimuthal angle. It is used to study strongly interacting matter properties at relativistic energies. Recent results from the ALICE experiment at LHC show unexpected structures of CF in the proton-proton and antiproton-antiproton correlations. These observations...