scholarly journals The BmnRoot framework for experimental data processing in the BM@N experiment at NICA

2019 ◽  
Vol 214 ◽  
pp. 05027 ◽  
Author(s):  
Pavel Batyuk ◽  
Konstantin Gertsenberger ◽  
Sergey Merts ◽  
Oleg Rogachevsky
Keyword(s):  
Nuclear Physics ◽  
Nuclear Research ◽  
Information Support ◽  
Fixed Target ◽  
Experimental Data Processing ◽  
Multiparticle Interaction ◽  
Physics Program ◽  
Target Experiment ◽  
Under Construction ◽  
New Generation

A new generation of experiments for the relativistic nuclear physics is expected to be started up in the nearest years at the Nuclotron-based Ion Collider fAcility (NICA) under construction at the Joint Institute for Nuclear Research in Dubna. The main part of the facility is the essentially modernized accelerator Nuclotron. BM@N (Baryonic Matter at Nuclotron) is considered as a first stage towards realization of physics program available at NICA. It is a fixed target experiment aimed to work with the Nuclotron extracted beams of different species. The experiment had a set of technical runs since 2015. For a successful realization of the BM@N physics program, a well developed and tested software for simulation, digitization, reconstruction and analysis of collision events and other additional tasks is of utmost importance. The BmnRoot software developed in order to operate the mentioned tasks is described in this article. It includes modules for data digitizing obtained from BM@N detector systems, realistic simulation of signals in detectors, alignment of detectors, reconstruction of multiparticle interaction events, as well as all necessary systems for maintaining the databases of the experiment, visualization and providing information support for the experiment.

scholarly journals Software Development for the BM@N Experiment at NICA: Challenges and Status

2020 ◽  
Vol 226 ◽  
pp. 03008
Author(s):  
Konstantin Gertsenberger ◽  
Sergey Merts ◽  
Ilnur Gabdrakhmanov ◽  
Irina Filozova ◽  
Igor Alexandrov ◽  
...  
Keyword(s):  
Nuclear Physics ◽  
Nuclear Research ◽  
Information Support ◽  
Software Systems ◽  
Fixed Target ◽  
Successful Operation ◽  
Physics Program ◽  
Target Experiment ◽  
Under Construction ◽  
New Generation

A new generation of experiments on relativistic nuclear physics is planned to be started in the nearest years at the Nuclotron-based Ion Collider facility (NICA) under construction at the Joint Institute for Nuclear Research in Dubna. The fixed target experiment BM@N (Baryonic Matter at Nuclotron) is considered as a first stage towards the implementation of the physics program available at NICA. For a successful accomplishment of the BM@N physics program, a well-developed and tested software package for simulation, digitization, reconstruction and analysis of collision events and other supporting tasks is of utmost importance. The data flow scheme of the experiment is shown. Offine and online software systems, such as the main BmnRoot framework, databases of the experiment, data monitoring and others providing information support for the experiment are presented. The implementation of the software systems is a necessary stage for the successful operation of the BM@N experiment.

scholarly journals Tracking system performance of the BM@N experiment

2019 ◽  
Vol 214 ◽  
pp. 02021
Author(s):  
Mikhail Kapishin ◽  
Vasilisa Lenivenko ◽  
Vladimir Palichik ◽  
Gleb Pokatashkin ◽  
Igor Rufanov ◽  
...  
Keyword(s):  
Tracking System ◽  
Nuclear Research ◽  
Particle Identification ◽  
Fixed Target ◽  
Drift Chambers ◽  
Target Experiment ◽  
Multiwire Proportional Chambers ◽  
Main Detector ◽  
Particles Trajectories ◽  
The Magnetic Field

The Baryonic Matter at Nuclotron (BM@N) experiment represents the first phase of the Nuclotron-based Ion Collider Facility (NICA), a mega-science project at the Joint Institute for Nuclear Research. It is a fixed target experiment built for studying nuclear matter in conditions of extreme density and temperature. The tracking system of the BM@N experiment consists of three main detector systems: Multiwire Proportional Chambers situated before the magnet, Gas Electron Multipliers placed inside the magnet and Drift Chambers placed after the magnet. These systems provide the reconstruction of charged particles’ trajectories and their momentum in the magnetic field. This information is further used by Time of Flight detectors for the particle identification procedure. The system’s performance is reviewed and the spatial resolutions along with efficiencies of the detectors are estimated using the data collected in the recent physics runs of the Nuclotron.

The physics program of the PADME experiment

2021 ◽  
Author(s):  
Federica Oliva
Keyword(s):  
Dark Matter ◽  
Positron Annihilation ◽  
Positron Beam ◽  
Test Facility ◽  
Beam Test ◽  
Fixed Target ◽  
Dark Photon ◽  
Physics Program ◽  
Target Experiment ◽  
Fixed Target Experiment

Abstract PADME (Positron Annihilation into Dark Matter Experiment) is a fixed target experiment located at the Beam Test Facility (BTF) at the Laboratori Nazionali di Frascati (LNF) designed to search for a massive dark photon A' in the process e+e- into γA', using a positron beam of energy up to 550 MeV.

scholarly journals The Unified Database for BM@N experiment data handling

2018 ◽  
Vol 177 ◽  
pp. 05001 ◽  
Author(s):  
Konstantin Gertsenberger ◽  
Oleg Rogachevsky
Keyword(s):  
Data Processing ◽  
Data Storage ◽  
User Interfaces ◽  
High Energy Physics ◽  
Nuclear Research ◽  
High Energy ◽  
Fixed Target ◽  
Nica Project ◽  
Target Experiment ◽  
User Access

The article describes the developed Unified Database designed as a comprehensive relational data storage for the BM@N experiment at the Joint Institute for Nuclear Research in Dubna. The BM@N experiment, which is one of the main elements of the first stage of the NICA project, is a fixed target experiment at extracted Nuclotron beams of the Laboratory of High Energy Physics (LHEP JINR). The structure and purposes of the BM@N setup are briefly presented. The article considers the scheme of the Unified Database, its attributes and implemented features in detail. The use of the developed BM@N database provides correct multi-user access to actual information of the experiment for data processing. It stores information on the experiment runs, detectors and their geometries, different configuration, calibration and algorithm parameters used in offline data processing. An important part of any database - user interfaces are presented.

scholarly journals The PANDA Detector at FAIR

2019 ◽  
Vol 64 (7) ◽  
pp. 640 ◽  
Author(s):  
M. Schmidt
Keyword(s):  
Particle Identification ◽  
Accelerator Complex ◽  
Fixed Target ◽  
Strong Magnetic Fields ◽  
Open Questions ◽  
Wide Range ◽  
Target Experiment ◽  
Under Construction ◽  
Panda Detector ◽  
Fixed Target Experiment

PANDA is a fixed-target experiment that is going to address a wide range of open questions in the hadron physics sector by studying the interactions between antiprotons with high momenta and a stationary proton target. The PANDA detector is currently under construction and will be situated in the HESR that is a part of the future FAIR accelerator complex on the area of the GSI Helmholtzzentrum f¨ur Schwerionenforschung in Darmstadt. The key features of the detector are: the precise tracking in strong magnetic fields, excellent particle identification, and high-resolution calorimeters.

scholarly journals Studies of Transverse-Momentum-Dependent Distributions with a Fixed-Target ExpeRiment Using the LHC Beams (AFTER@LHC)

2016 ◽  
Vol 40 ◽  
pp. 1660107 ◽  
Author(s):  
L. Massacrier ◽  
M. Anselmino ◽  
R. Arnaldi ◽  
S. J. Brodsky ◽  
V. Chambert ◽  
...  
Keyword(s):  
Transverse Momentum ◽  
Nuclear Physics ◽  
Transverse Spin ◽  
Fixed Target ◽  
Transverse Momentum Dependent ◽  
Spin Asymmetries ◽  
Bent Crystal ◽  
Target Mode ◽  
Target Experiment ◽  
Fixed Target Experiment

We report on the studies of Transverse-Momentum-Dependent distributions (TMDs) at a future fixed-target experiment –AFTER@LHC– using the [Formula: see text] or Pb ion LHC beams, which would be the most energetic fixed-target experiment ever performed. AFTER@LHC opens new domains of particle and nuclear physics by complementing collider-mode experiments, in particular those of RHIC and the EIC projects. Both with an extracted beam by a bent crystal or with an internal gas target, the luminosity achieved by AFTER@LHC surpasses that of RHIC by up to 3 orders of magnitude. With an unpolarised target, it allows for measurements of TMDs such as the Boer-Mulders quark distributions and the distribution of unpolarised and linearly polarised gluons in unpolarised protons. Using polarised targets, one can access the quark and gluon Sivers TMDs through single transverse-spin asymmetries in Drell-Yan and quarkonium production. In terms of kinematics, the fixed-target mode combined with a detector covering [Formula: see text] allows one to measure these asymmetries at large [Formula: see text] in the polarised nucleon.

The Development of Lagoons in Venezuela

1987 ◽  
Vol 19 (12) ◽  
pp. 55-60 ◽  
Author(s):  
M. Lansdell
Keyword(s):  
Treatment Option ◽  
Sewage Treatment ◽  
Operational Experience ◽  
Cost Information ◽  
Anaerobic Baffled Reactor ◽  
Space Saving ◽  
Under Construction ◽  
Space Requirements ◽  
New Generation ◽  
Lagoon Systems

The operational experience of early lagoons is outlined. The construction of a new generation of lagoons of 2000 PE to 1.000.000 PE capacity and associated practical difficulties are described. Those with innovative and space saving features treated in some detail. One includes an anaerobic baffled reactor with sludge draw-off facilities which entered service in September 1986 and which is being monitored for compliance with “Engelberg Requirements”. Cost information and space requirements for the different systems under construction are included.It is concluded that lagoon systems properly designed and sited are the most appropriate and indeed the only financially viable sewage treatment option to suit Venezuelan circumstances.

scholarly journals Spin physics at a fixed-target experiment at the LHC (AFTER@LHC)

2014 ◽  
Vol 45 (1) ◽  
pp. 336-337 ◽  
Author(s):  
A. Rakotozafindrabe ◽  
M. Anselmino ◽  
R. Arnaldi ◽  
S. J. Brodsky ◽  
V. Chambert ◽  
...  
Keyword(s):  
Fixed Target ◽  
Spin Physics ◽  
Target Experiment ◽  
Fixed Target Experiment

scholarly journals Status of NICA

2018 ◽  
Vol 182 ◽  
pp. 02063 ◽  
Author(s):  
Vladimir Kekelidze ◽  
Alexander Kovalenko ◽  
Richard Lednicky ◽  
Victor Matveev ◽  
Igor Meshkov ◽  
...  
Keyword(s):  
High Energy Physics ◽  
Nuclear Research ◽  
High Energy ◽  
Design Stage ◽  
Target Area ◽  
Baryonic Matter ◽  
Accelerator Facility ◽  
Polarized Protons ◽  
The Status ◽  
Under Construction

The NICA (Nuclotron-based Ion Collider fAcility) is the new international research facility under construction at the Joint Institute for Nuclear Research (JINR) in Dubna. The main targets of the facility are the following: 1) study of hot and dense baryonic matter at the energy range of the maximum baryonic density; 2) investigation of nucleon spin structure and polarization phenomena; 3) development of JINR accelerator facility for high energy physics research based on the new collider of relativistic ions from protons to gold and polarized protons and deuterons as well with the maximum collision energy of sqrt(sNN) ~11GeV (Au79+ +Au79+) and ~ 27 GeV (p+p). Two collider detector setups MPD and SPD are foreseen. The setup BM@N (Baryonic Matter at Nuclotron) is commissioned for data taken at the existing Nuclotron beam fixed target area. The MPD construction is in progress whereas the SPD is still at the beginning design stage. An average luminosity of the collider is expected at the level of 1027 cm-2 s-1 for Au (79+) and 1032 cm-2 s-1 for polarized protons at 27 GeV. The status of NICA design and construction work is briefly described below.

scholarly journals Feasibility Studies for Quarkonium Production at a Fixed-Target Experiment Using the LHC Proton and Lead Beams (AFTER@LHC)

2015 ◽  
Vol 2015 ◽  
pp. 1-15 ◽  
Author(s):  
L. Massacrier ◽  
B. Trzeciak ◽  
F. Fleuret ◽  
C. Hadjidakis ◽  
D. Kikola ◽  
...  
Keyword(s):  
Feasibility Studies ◽  
Fixed Target ◽  
Detection Techniques ◽  
Target Mode ◽  
Quarkonium Production ◽  
Target Experiment ◽  
Conventional Detection ◽  
Fixed Target Experiment

Being used in the fixed-target mode, the multi-TeV LHC proton and lead beams allow for studies of heavy-flavour hadroproduction with unprecedented precision at backward rapidities, far negative Feynman-x, using conventional detection techniques. At the nominal LHC energies, quarkonia can be studied in detail inp+p,p+d, andp+Acollisions atsNN≃115 GeV and in Pb +pand Pb +Acollisions atsNN≃72 GeV with luminosities roughly equivalent to that of the collider mode that is up to 20 fb−1 yr−1inp+pandp+dcollisions, up to 0.6 fb−1 yr−1inp+Acollisions, and up to 10 nb−1 yr−1in Pb +Acollisions. In this paper, we assess the feasibility of such studies by performing fast simulations using the performance of a LHCb-like detector.

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