High purity 100 GeV electron identification with synchrotron radiation

E. Depero, D. Banerjee, V. Burtsev, A. Chumakov, D. Cooke, A. V. Dermenev, S. V. Donskov, F. Dubinin, R. R. Dusaev, S. Emmenegger, A. Fabich, V. N. Frolov, A. Gardikiotis, S. N. Gninenko, M. Hösgen, A. E. Karneyeu, B. Ketzer, M. M. Kirsanov, I. V. Konorov, V. A. KramarenkoS. V. Kuleshov, V. E. Lyubovitskij, V. Lysan, V. A. Matveev, Yu V. Mikhailov, V. V. Myalkovskiy, D. V. Peshekhonov, D. V. Peshekhonov, V. A. Polyakov, B. Radics, A. Rubbia, V. D. Samoylenko, V. O. Tikhomirov, D. A. Tlisov, A. N. Toropin, B. Vasilishin, G. Vasquez Arenas, P. Ulloa, P. Crivelli

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

In high energy experiments such as active beam dump searches for rare decays and missing energy events, the beam purity is a crucial parameter. In this paper we present a technique to reject heavy charged particle contamination in the 100 GeV electron beam of the H4 beam line at CERN SPS. The method is based on the detection with BGO scintillators of the synchrotron radiation emitted by the electrons passing through a bending dipole magnet. A 100 GeV π⁻ beam is used to test the method in the NA64 experiment resulting in a suppression factor of 10⁻⁵ while the efficiency for electron detection is ∼95%. The spectra and the rejection factors are in very good agreement with the Monte Carlo simulation. The reported suppression factors are significantly better than previously achieved.

Original language	English
Pages (from-to)	196-201
Number of pages	6
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	866
DOIs	https://doi.org/10.1016/j.nima.2017.05.028
Publication status	Published - 11 Sep 2017

Keywords

Hadron rejection
High energy electron tagging
Synchrotron detector

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Depero, E., Banerjee, D., Burtsev, V., Chumakov, A., Cooke, D., Dermenev, A. V., Donskov, S. V., Dubinin, F., Dusaev, R. R., Emmenegger, S., Fabich, A., Frolov, V. N., Gardikiotis, A., Gninenko, S. N., Hösgen, M., Karneyeu, A. E., Ketzer, B., Kirsanov, M. M., Konorov, I. V., ... Crivelli, P. (2017). High purity 100 GeV electron identification with synchrotron radiation. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 866, 196-201. https://doi.org/10.1016/j.nima.2017.05.028

High purity 100 GeV electron identification with synchrotron radiation. / Depero, E.; Banerjee, D.; Burtsev, V.; Chumakov, A.; Cooke, D.; Dermenev, A. V.; Donskov, S. V.; Dubinin, F.; Dusaev, R. R.; Emmenegger, S.; Fabich, A.; Frolov, V. N.; Gardikiotis, A.; Gninenko, S. N.; Hösgen, M.; Karneyeu, A. E.; Ketzer, B.; Kirsanov, M. M.; Konorov, I. V.; Kramarenko, V. A.; Kuleshov, S. V.; Lyubovitskij, V. E.; Lysan, V.; Matveev, V. A.; Mikhailov, Yu V.; Myalkovskiy, V. V.; Peshekhonov, D. V.; Peshekhonov, D. V.; Polyakov, V. A.; Radics, B.; Rubbia, A.; Samoylenko, V. D.; Tikhomirov, V. O.; Tlisov, D. A.; Toropin, A. N.; Vasilishin, B.; Arenas, G. Vasquez; Ulloa, P.; Crivelli, P.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 866, 11.09.2017, p. 196-201.

Research output: Contribution to journal › Article › peer-review

Depero, E, Banerjee, D, Burtsev, V, Chumakov, A, Cooke, D, Dermenev, AV, Donskov, SV, Dubinin, F, Dusaev, RR, Emmenegger, S, Fabich, A, Frolov, VN, Gardikiotis, A, Gninenko, SN, Hösgen, M, Karneyeu, AE, Ketzer, B, Kirsanov, MM, Konorov, IV, Kramarenko, VA, Kuleshov, SV, Lyubovitskij, VE, Lysan, V, Matveev, VA, Mikhailov, YV, Myalkovskiy, VV, Peshekhonov, DV, Peshekhonov, DV, Polyakov, VA, Radics, B, Rubbia, A, Samoylenko, VD, Tikhomirov, VO, Tlisov, DA, Toropin, AN, Vasilishin, B, Arenas, GV, Ulloa, P & Crivelli, P 2017, 'High purity 100 GeV electron identification with synchrotron radiation', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 866, pp. 196-201. https://doi.org/10.1016/j.nima.2017.05.028

Depero, E. ; Banerjee, D. ; Burtsev, V. ; Chumakov, A. ; Cooke, D. ; Dermenev, A. V. ; Donskov, S. V. ; Dubinin, F. ; Dusaev, R. R. ; Emmenegger, S. ; Fabich, A. ; Frolov, V. N. ; Gardikiotis, A. ; Gninenko, S. N. ; Hösgen, M. ; Karneyeu, A. E. ; Ketzer, B. ; Kirsanov, M. M. ; Konorov, I. V. ; Kramarenko, V. A. ; Kuleshov, S. V. ; Lyubovitskij, V. E. ; Lysan, V. ; Matveev, V. A. ; Mikhailov, Yu V. ; Myalkovskiy, V. V. ; Peshekhonov, D. V. ; Peshekhonov, D. V. ; Polyakov, V. A. ; Radics, B. ; Rubbia, A. ; Samoylenko, V. D. ; Tikhomirov, V. O. ; Tlisov, D. A. ; Toropin, A. N. ; Vasilishin, B. ; Arenas, G. Vasquez ; Ulloa, P. ; Crivelli, P. / High purity 100 GeV electron identification with synchrotron radiation. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2017 ; Vol. 866. pp. 196-201.

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title = "High purity 100 GeV electron identification with synchrotron radiation",

abstract = "In high energy experiments such as active beam dump searches for rare decays and missing energy events, the beam purity is a crucial parameter. In this paper we present a technique to reject heavy charged particle contamination in the 100 GeV electron beam of the H4 beam line at CERN SPS. The method is based on the detection with BGO scintillators of the synchrotron radiation emitted by the electrons passing through a bending dipole magnet. A 100 GeV π− beam is used to test the method in the NA64 experiment resulting in a suppression factor of 10−5 while the efficiency for electron detection is ∼95%. The spectra and the rejection factors are in very good agreement with the Monte Carlo simulation. The reported suppression factors are significantly better than previously achieved.",

keywords = "Hadron rejection, High energy electron tagging, Synchrotron detector",

author = "E. Depero and D. Banerjee and V. Burtsev and A. Chumakov and D. Cooke and Dermenev, {A. V.} and Donskov, {S. V.} and F. Dubinin and Dusaev, {R. R.} and S. Emmenegger and A. Fabich and Frolov, {V. N.} and A. Gardikiotis and Gninenko, {S. N.} and M. H{\"o}sgen and Karneyeu, {A. E.} and B. Ketzer and Kirsanov, {M. M.} and Konorov, {I. V.} and Kramarenko, {V. A.} and Kuleshov, {S. V.} and Lyubovitskij, {V. E.} and V. Lysan and Matveev, {V. A.} and Mikhailov, {Yu V.} and Myalkovskiy, {V. V.} and Peshekhonov, {D. V.} and Peshekhonov, {D. V.} and Polyakov, {V. A.} and B. Radics and A. Rubbia and Samoylenko, {V. D.} and Tikhomirov, {V. O.} and Tlisov, {D. A.} and Toropin, {A. N.} and B. Vasilishin and Arenas, {G. Vasquez} and P. Ulloa and P. Crivelli",

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T1 - High purity 100 GeV electron identification with synchrotron radiation

AU - Depero, E.

AU - Banerjee, D.

AU - Burtsev, V.

AU - Chumakov, A.

AU - Cooke, D.

AU - Dermenev, A. V.

AU - Donskov, S. V.

AU - Dubinin, F.

AU - Dusaev, R. R.

AU - Emmenegger, S.

AU - Fabich, A.

AU - Frolov, V. N.

AU - Gardikiotis, A.

AU - Gninenko, S. N.

AU - Hösgen, M.

AU - Karneyeu, A. E.

AU - Ketzer, B.

AU - Kirsanov, M. M.

AU - Konorov, I. V.

AU - Kramarenko, V. A.

AU - Kuleshov, S. V.

AU - Lyubovitskij, V. E.

AU - Lysan, V.

AU - Matveev, V. A.

AU - Mikhailov, Yu V.

AU - Myalkovskiy, V. V.

AU - Peshekhonov, D. V.

AU - Polyakov, V. A.

AU - Radics, B.

AU - Rubbia, A.

AU - Samoylenko, V. D.

AU - Tikhomirov, V. O.

AU - Tlisov, D. A.

AU - Toropin, A. N.

AU - Vasilishin, B.

AU - Arenas, G. Vasquez

AU - Ulloa, P.

AU - Crivelli, P.

PY - 2017/9/11

Y1 - 2017/9/11

N2 - In high energy experiments such as active beam dump searches for rare decays and missing energy events, the beam purity is a crucial parameter. In this paper we present a technique to reject heavy charged particle contamination in the 100 GeV electron beam of the H4 beam line at CERN SPS. The method is based on the detection with BGO scintillators of the synchrotron radiation emitted by the electrons passing through a bending dipole magnet. A 100 GeV π− beam is used to test the method in the NA64 experiment resulting in a suppression factor of 10−5 while the efficiency for electron detection is ∼95%. The spectra and the rejection factors are in very good agreement with the Monte Carlo simulation. The reported suppression factors are significantly better than previously achieved.

AB - In high energy experiments such as active beam dump searches for rare decays and missing energy events, the beam purity is a crucial parameter. In this paper we present a technique to reject heavy charged particle contamination in the 100 GeV electron beam of the H4 beam line at CERN SPS. The method is based on the detection with BGO scintillators of the synchrotron radiation emitted by the electrons passing through a bending dipole magnet. A 100 GeV π− beam is used to test the method in the NA64 experiment resulting in a suppression factor of 10−5 while the efficiency for electron detection is ∼95%. The spectra and the rejection factors are in very good agreement with the Monte Carlo simulation. The reported suppression factors are significantly better than previously achieved.

KW - Hadron rejection

KW - High energy electron tagging

KW - Synchrotron detector

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