A Quasi-Monochromatic Calibration Beam of Secondary Electrons at the Pakhra Accelerator

Алексеев, В. И.; Baskov, V. A.; Dronov, V. A.; L’vov, A. I.; Krechetov, Yu. F.; Malinovsky, E. I.; Pavlyuchenko, L. N.; Polyansky, V. V.; Sidorin, S. S.

doi:10.1134/s0020441219020143

Cited by 15 publications

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“…HODOSCOPIC SPECTROMETER The SHS was calibrated using a quasi-monochromatic secondary-electron beam of the LPI Pakhra accelerator [4,5]. The block diagram of the calibration channel is shown in Fig.…”

Section: Calibration Of the Scintillationmentioning

confidence: 99%

A Scintillation Hodoscopic Spectrometer

et al. 2021

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The calibration results are presented for a scintillation hodoscopic spectrometer of charged particles, which has been designed for an experiment on the search for a heavy electron on the bremsstrahlung photon beam at the Pakhra accelerator of the LPI. The relative energy and coordinate resolutions of the spectrometer at electron energy E = 40 MeV are δ = 22% and σ x = 9.5 mm, respectively. It has been determined that the width of electromagnetic showers in the transverse direction can be described by the energy dependences Δ ~ lnE at E < 100 MeV and Δ ~ 1/expE at E > 100 MeV.

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Section: Calibration Of the Scintillationmentioning

confidence: 99%

A Scintillation Hodoscopic Spectrometer

et al. 2021

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“…The electron synchrotron S-25R ("Pakhra") [1] of the Lebedev Physical Institute of the Russian Academy of Sciences (LPI) is an accelerator currently generating external beams of photons, electrons and positrons with energies up to 850 MeV. A calibration channel of secondary quasi-monochromatic electrons with energies between 6 and 300 MeV and intensity of ~100 electron/s was created at the bremsstrahlung photon beam of this accelerator [2,3].…”

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“…Energy characteristics of the calibration electron beam were determined, in addition to other methods, by a total absorption Cherenkov spectrometer (TAChS) based on the lead glass TF-1 with the thickness of 14.8 radiation lengths X 0 (X 0 = 2.5 cm, ρ = 3.86 g/cm 3 ) [3][4][5].…”

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“…On all sides, except for the area occupied by a PMT photocathode, the radiator is wrapped in an aluminized lavsan. The TAChS uses PMT-49 with a standard divider [3][4][5]. In the insert: S1 and S2 are scintillation counters.…”

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“…The TAChS preliminary calibration was performed with cosmic-ray muons according to the method of "all through" presented in the inset of Fig. 2 The basic calibration of the TAChS took place at the beam of quasimonochromatic electrons of the accelerator «Pakhra» simultaneously with the study of its energy characteristics [3]. The electron energy of the primary beam in the accelerator chamber was 500 MeV.…”

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Low-Energy Electron Detection by Total-Absorption Cherenkov Spectrometer

Алексеев

Baskov

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et al. 2019

Bull. Lebedev Phys. Inst.

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Determination of the Energy Characteristics of an Electron Beam Using a Light Scintillator

et al. 2020

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The possibility of using the effect of full energy absorption in a light scintillator when an electron beam passes through it to determine the energy characteristics of a low and medium energy beam (the "absorbed energy" method) is experimentally presented. The energy calibration of the quasi-monochromatic electron beam of the Pakhra accelerator of the P. N. Lebedev Physical Institute of the Russian Academy of Sciences using scintillation detectors with a thickness of 14.5, 20, 23.5 and 51.2 cm was performed. For electron beam energies up to ~100 MeV and scintillation detector thicknesses from 5 to 20 cm the accuracy of electron beam energy determination was 10 to 20%, respectively.

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A Quasi-Monochromatic Calibration Beam of Secondary Electrons at the Pakhra Accelerator

Cited by 15 publications

References 1 publication

A Scintillation Hodoscopic Spectrometer

A Scintillation Hodoscopic Spectrometer

Low-Energy Electron Detection by Total-Absorption Cherenkov Spectrometer

Determination of the Energy Characteristics of an Electron Beam Using a Light Scintillator

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