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Recent advances and perspectives of the high precision laser metrology
/ Batusov, V (Dubna, JINR) ; Budagov, J (Dubna, JINR) ; Glagolev, V (Dubna, JINR) ; Lyablin, M (Dubna, JINR) ; Shirkov, G (Dubna, JINR) ; Gayde, J Ch (CERN) ; Di Girolamo, B (CERN) ; Mainaud Durand, H (CERN) ; Mergelkuhl, D (CERN) ; Nessi, M (CERN) et al.
The laser-based metrology presents new means and opens possibilities in solving
tasks where achievement of a high precision survey is of the principal signiˇcance
necessity.
The extended laser ˇducial line (coordinate axis) is necessary for precision
alignment of basic structure units of large-scale accelerators, for precision assembly
of subdetectors when mounting large spectrometric complexes, for online control of
space stability of particle detectors during the data taking period.
The high sensitivity laser inclinometers open the new possibilities for ground
motion control and for accelerator (collider) beam space stabilization essential for
achievement of stable high intensity (luminosity) at the interaction area.
The investigation has been performed at the Dzhelepov Laboratory of Nuclear
Problems, JINR..
E13-2014-21.
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2014. - 17 p.
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Collaboration between the JINR and Research Institutions of the Republic of Belarus in the Area of Superconducting Accelerating Cavities: A Review
/ Budagov, Yu A (Dubna, JINR) ; Trubnikov, G V (Dubna, JINR) ; Shirkov, G D (Dubna, JINR) ; Batouritski, M A (Minsk, INE) ; Bogdanovich, M V (Minsk, INE) ; Kurochkin, Yu A (Minsk, INE) ; Zalessky, V G (Minsk, INE) ; Kilin, S Ya (Minsk, INE) ; Azaryan, N S (CERN)
Researchers and specialists of the Institute of Nuclear Problems of the Belarusian State University, Belarusian State University of Informatics and Radio Electronics, Physical-Technical Institute, and the Research and Production Center for Material Science of the National Academy of Sciences of Belarus in collaboration with JINR physicists have developed, produced, and tested at the liquid helium temperature of 4.2 K, three pilot elliptical superconducting niobium cavities at a frequency of 1.3 GHz for accelerators of electrons and positrons. The cavities are constructed in the framework of the International Linear Collider (ILC) project. [...]
2022 - 12 p.
- Published in : Phys. Part. Nucl. 53 (2022) 21-32
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The precision laser inclinometer long-term measurement in thermo-stabilized conditions (First Experimental Data)
/ Azaryan, N (Dubna, JINR) ; Batusov, V (Dubna, JINR) ; Budagov, J (Dubna, JINR) ; Glagolev, V (Dubna, JINR) ; Lyablin, M (Dubna, JINR) ; Trubnikov, G (Dubna, JINR) ; Shirkov, G (Dubna, JINR) ; Gayde, J -Ch (CERN) ; Di Girolamo, B (CERN) ; Mergelkuhl, D (CERN) et al.
The Precision Laser Inclinometer was tested at thermo-stabilized conditions and the ground angular stability of 1 μrad (observation during 24 h) and 7nrad (observation during 60 min) was measured..
Springer, 2015 - 4 p.
- Published in : Phys. Part. Nucl. Lett. 12 (2015) 532-535
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Design of a fast cycled low loss 6 T model dipole cooling at 1.9 K
/ Kovalenko, Alexander (Dubna, JINR) ; Bordini, Bernardo (CERN) ; Gromov, Vladimir (Dubna, JINR) ; Kolomiets, Andrei (Dubna, JINR ; Moscow, ITEP) ; Kozub, Sergey (Serpukhov, IHEP ; Dubna, JINR) ; Perepelkin, Evgeny (Dubna, JINR) ; Shirkov, Grigori (Dubna, JINR) ; Tkachenko, Leonid (Serpukhov, IHEP ; Dubna, JINR) ; Tommasini, Davide (CERN)
The option being considered for the FCC-hh high energy injector is a superconducting synchrotron replacing the CERN SPS. The new machine would operate in a cycled mode also to feed experimental areas, much like the SPS nowadays. [...]
CERN-ACC-2019-254.-
2019 - 3 p.
- Published in : 10.18429/JACoW-IPAC2019-THPTS053
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THPTS053
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Colliding Beams Focus Displacement Caused by Seismic Events
/ Azaryan, N S (Dubna, JINR) ; Budagov, J A (Dubna, JINR) ; Lyablin, M V (Dubna, JINR) ; Pluzhnikov, A A (Dubna, JINR) ; Trubnikov, G (Dubna, JINR) ; Shirkov, G (Dubna, JINR) ; Bruning, O (CERN) ; Di Girolamo, B (CERN) ; Gayde, J Ch (CERN) ; Mergelkuhl, D (CERN) et al.
The Earth surface inclinations recorded by the Precision Laser Inclinometer have been transformed to vertical oscillations using a specifically developed method. A method to calculate the space displacement of collider beams focuses is proposed to evaluate the effects of the surface waves propagation, taking into account: the length of the region of the beam focusing for collisions, the seismic wave frequency and the wave speed dependence on the frequency. [...]
2019 - 20 p.
- Published in : Phys. Part. Nucl. Lett. 16 (2019) 377-396
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