Manufacture of all parts for two professional inclinometers has been accomplished at the DLNP Workshop. The next stage is assembly and commissioning of the inclinometers at CERN. By the end of the year, the DLNP scientists will supply five of these new instruments to CERN and put them into operation. The work is carried out at the Department of Multiple Hadronic Processes under the leadership of Prof. J. Budagov within the JINR–CERN agreement and is aimed at stabilizing spatial positions of beams for increasing the LHC luminosity.
The high-precision instrument of the new generation, Precision Laser Inclinometer, makes it possible to monitor angular oscillations of the Earth in two orthogonal directions in the range of 10-6–4 Hz with a maximum sensitivity of 2.4∙10-11 rad/Hz1/2. It reliably detects angular inclinations of the Earth surface caused by the Moon, the Sun, distant (over 104 km away) earthquakes, the microseismic peak, and industrial sources.
Dmitri Semikoz (Directeur de Recherche CNRS, Paris) demonstrated that the standard static model of galactic cosmic rays suggested in 1990th came into conflict with a lot of modern experimental data, including variability measurements of the cosmic ray flux in the Galaxy, magnetic field measurements, and a great deal of anomalies in local observations of cosmic rays.
The year 2017 marked the 25th anniversary of the world’s largest scientific collaborations, the ATLAS collaboration, established in 1992 for carrying basic research at the Large Hadron Collider at CERN. JINR joined the preparations for the international ATLAS experiment as early as the preliminary R&D stage and became one of its main participants. The film is dedicated to this significant event.
On May 16, 2018, within the framework of the Dubna visit of Prof. K. Jakobs, spokesperson of the ATLAS experiment at the LHC, a meeting of the JINR participants in the ATLAS Collaboration was held.
The results and plans of physics research in the fields of the Standard Model, Higgs boson physics, search for new physics, and heavy quark physics were presented, and the prospects for the JINR participation in the operation of the facility and its upgrading during the upcoming technical shutdown were discussed. Also, readiness of JINR for manufacture of MicroMegas detectors was demonstrated to Prof. K. Jakobs.
ATLAS spokesperson Prof. K. Jakobs speaks about his seminar at DLNP on 16.05.2018, where he presented the results and further plans of research within the ATLAS project at the LHC.
See the full version of the seminar here.
Nikolai Azaryan speaks about a pilot batch of elliptical single-cell superconducting cavities for the frequency of 1.3 GHz manufactured by hydroforming and electron-beam welding of highly pure niobium. The manufactured cavities feature long stable superconductivity. The measured figure of merit is no less than 10^10.
See the full video of the seminar here.
Congratulations to Aleksandr Simonenko on successful defence of the candidate of science dissertation!
On 27 April 2018 at the session of the DLNP Dissertation Council Aleksandr Valerievich Simonenko defended the dissertation “Development of a control system and study of characteristics of CDFII muon counters for experiments at the Tevatron” for getting the degree of the Candidate of Sciences in Physics and Mathematics under speciality category 01.04.01: instruments and methods of experimental physics.
We heartily congratulate Aleksandr on the successful defence of the dissertation and wish him new creative achievements!