Experimental setup based on pixel detectors for precision determination of high energy proton beams characteristics

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Abstract

The characteristics of proton beams at 1 GeV have been studied using an experimental setup based on a telescope of pixel detectors. Such parameters as pixel cluster multiplicity, the beam emittance and the setup resolution in each geometry were investigated.

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About the authors

V. V. Petrov

Saint-Petersburg State University

Author for correspondence.
Email: v.petrov@spbu.ru
Russian Federation, St. Petersburg, 199034

V. I. Zherebchevsky

Saint-Petersburg State University

Email: v.petrov@spbu.ru
Russian Federation, St. Petersburg, 199034

N. A. Maltsev

Saint-Petersburg State University

Email: v.petrov@spbu.ru
Russian Federation, St. Petersburg, 199034

S. Yu. Torilov

Saint-Petersburg State University

Email: v.petrov@spbu.ru
Russian Federation, St. Petersburg, 199034

N. A. Prokofiev

Saint-Petersburg State University

Email: v.petrov@spbu.ru
Russian Federation, St. Petersburg, 199034

E. O. Zemlin

Saint-Petersburg State University

Email: v.petrov@spbu.ru
Russian Federation, St. Petersburg, 199034

D. A. Komarova

Saint-Petersburg State University

Email: v.petrov@spbu.ru
Russian Federation, St. Petersburg, 199034

References

  1. Akulinichev S., Gavrilov Y., Djilkibaev R. et al. // Bull. Russ. Acad. Sci. Phys. 2023. V. 87. No. 8. P. 1242.
  2. Abelev B., Adam J., Adamová D. et al. // J. Physics G. 2014. V. 41. Art. No. 087002.
  3. https://atlas.cern/Discover/Detector/Inner-Detector
  4. https://cms.cern/detector/identifying-tracks/silicon-pixels
  5. https://cerncourier.com/a/velos-voyage-into-the-unknown/
  6. Жеребчевский В.И., Вечернин В.В., Иголкин С.Н. и др. // Изв. РАН. Сер. физ. 2021. Т. 85. № 5. С. 702; Zherebchevsky V.I., Vechernin V.V., Igolkin S.N. et al. // Bull. Russ. Acad. Sci. Phys. 2021. V. 85. No. 5. P. 541.
  7. Жеребчевский В.И., Мальцев Н.А., Нестеров Д.Г. и др. // Изв. РАН. Сер. физ. 2022. Т. 86. № 8. С. 1146; Zherebchevsky V.I., Maltsev N.A., Nesterov D.G. et al. // Bull. Russ. Acad. Sci. Phys. 2022. V. 86. No. 8. P. 948.
  8. Mager M. // NIM A. 2016. V. 824. P. 434.

Supplementary files

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2. Fig. 1. Structure of the pixel detector.

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3. Fig. 2. Experimental setup based on a pixel detector telescope: general view of the setup on the proton beam of the SC-1000 synchrocyclotron of the Kurchatov Institute of the PNPI (a); design features of the experimental setup (b).

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4. Fig. 3. Schematic diagram of the experiment with a pixel detector telescope on a 1 GeV proton beam.

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5. Fig. 4. Maps of the pixels that have triggered for each of the 4 detectors when they were irradiated with 1 GeV protons.

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6. Fig. 5. Frequency maps of cluster multiplicity in a 1 GeV proton beam. is the average value of cluster multiplicity.

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7. Fig. 6. An example of reconstructed tracks of 1 GeV protons. The dots represent the centers of mass of the clusters of the triggered pixels, and the straight lines represent the reconstructed tracks of the protons.

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8. Fig. 7. Distribution of proton tracks in the phase space of the X-plane.

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