High precision photon flux determination for photon tagging experiments

A. Teymurazyan; A. Ahmidouch; P. Ambrozewicz; A. Asratyan; K. Baker; L. Benton; V. Burkert; E. Clinton; P. Cole; P. Collins; D. Dale; S. Danagoulian; G. Davidenko; R. Demirchyan; A. Deur; A. Dolgolenko; G. Dzyubenko; R. Ent; A. Evdokimov; J. Feng; M. Gabrielyan; L. Gan; A. Gasparian; A. Glamazdin; V. Goryachev; K. Hardy; J. He; M. Ito; L. Jiang; D. Kashy; M. Khandaker; A. Kolarkar; M. Konchatnyi; A. Korchin; W. Korsch; O. Kosinov; S. Kowalski; M. Kubantsev; V. Kubarovsky; I. Larin; D. Lawrence; X. Li; P. Martel; V. Matveev; D. McNulty; B. Mecking; B. Milbrath; R. Minehart; R. Miskimen; V. Mochalov; I. Nakagawa; S. Overby; E. Pasyuk; M. Payen; R. Pedroni; Y. Prok; B. Ritchie; C. Salgado; A. Shahinyan; A. Sitnikov; D. Sober; S. Stepanyan; W. Stevens; J. Underwood; A. Vasiliev; V. Vishnyakov; M. Wood; S. Zhou

doi:10.1016/j.nima.2014.07.025

High precision photon flux determination for photon tagging experiments

A. Teymurazyan, A. Ahmidouch, P. Ambrozewicz, A. Asratyan, K. Baker, L. Benton, V. Burkert, E. Clinton, P. Cole, P. Collins, D. Dale, S. Danagoulian, G. Davidenko, R. Demirchyan, A. Deur, A. Dolgolenko, G. Dzyubenko, R. Ent, A. Evdokimov, J. FengM. Gabrielyan, L. Gan, A. Gasparian, A. Glamazdin, V. Goryachev, K. Hardy, J. He, M. Ito, L. Jiang, D. Kashy, M. Khandaker, A. Kolarkar, M. Konchatnyi, A. Korchin, W. Korsch, O. Kosinov, S. Kowalski, M. Kubantsev, V. Kubarovsky, I. Larin, D. Lawrence, X. Li, P. Martel, V. Matveev, D. McNulty, B. Mecking, B. Milbrath, R. Minehart, R. Miskimen, V. Mochalov, I. Nakagawa, S. Overby, E. Pasyuk, M. Payen, R. Pedroni, Y. Prok, B. Ritchie, C. Salgado, A. Shahinyan, A. Sitnikov, D. Sober, S. Stepanyan, W. Stevens, J. Underwood, A. Vasiliev, V. Vishnyakov, M. Wood, S. Zhou

Physics and Astronomy (Twin Cities)

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3 Scopus citations

Abstract

The Jefferson Laboratory PrimEx Collaboration has developed and implemented a method to control the tagged photon flux in photoproduction experiments at the 1% level over the photon energy range from 4.9 to 5.5 GeV. This method has been successfully implemented in a high precision measurement of the neutral pion lifetime. Here, we outline the experimental equipment and the analysis techniques used to accomplish this. These include the use of a total absorption counter for absolute flux calibration, a pair spectrometer for online relative flux monitoring, and a new method for post-bremsstrahlung electron counting.

Original language	English (US)
Pages (from-to)	300-309
Number of pages	10
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	767
DOIs	https://doi.org/10.1016/j.nima.2014.07.025
State	Published - Dec 11 2014

Bibliographical note

Publisher Copyright:
© 2014 Elsevier B.V. All rights reserved.

Keywords

Pair spectrometer
Photon tagging
Photonuclear reactions

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Teymurazyan, A., Ahmidouch, A., Ambrozewicz, P., Asratyan, A., Baker, K., Benton, L., Burkert, V., Clinton, E., Cole, P., Collins, P., Dale, D., Danagoulian, S., Davidenko, G., Demirchyan, R., Deur, A., Dolgolenko, A., Dzyubenko, G., Ent, R., Evdokimov, A., ... Zhou, S. (2014). High precision photon flux determination for photon tagging experiments. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 767, 300-309. https://doi.org/10.1016/j.nima.2014.07.025

Teymurazyan, A, Ahmidouch, A, Ambrozewicz, P, Asratyan, A, Baker, K, Benton, L, Burkert, V, Clinton, E, Cole, P, Collins, P, Dale, D, Danagoulian, S, Davidenko, G, Demirchyan, R, Deur, A, Dolgolenko, A, Dzyubenko, G, Ent, R, Evdokimov, A, Feng, J, Gabrielyan, M, Gan, L, Gasparian, A, Glamazdin, A, Goryachev, V, Hardy, K, He, J, Ito, M, Jiang, L, Kashy, D, Khandaker, M, Kolarkar, A, Konchatnyi, M, Korchin, A, Korsch, W, Kosinov, O, Kowalski, S, Kubantsev, M, Kubarovsky, V, Larin, I, Lawrence, D, Li, X, Martel, P, Matveev, V, McNulty, D, Mecking, B, Milbrath, B, Minehart, R, Miskimen, R, Mochalov, V, Nakagawa, I, Overby, S, Pasyuk, E, Payen, M, Pedroni, R, Prok, Y, Ritchie, B, Salgado, C, Shahinyan, A, Sitnikov, A, Sober, D, Stepanyan, S, Stevens, W, Underwood, J, Vasiliev, A, Vishnyakov, V, Wood, M & Zhou, S 2014, 'High precision photon flux determination for photon tagging experiments', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 767, pp. 300-309. https://doi.org/10.1016/j.nima.2014.07.025

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abstract = "The Jefferson Laboratory PrimEx Collaboration has developed and implemented a method to control the tagged photon flux in photoproduction experiments at the 1% level over the photon energy range from 4.9 to 5.5 GeV. This method has been successfully implemented in a high precision measurement of the neutral pion lifetime. Here, we outline the experimental equipment and the analysis techniques used to accomplish this. These include the use of a total absorption counter for absolute flux calibration, a pair spectrometer for online relative flux monitoring, and a new method for post-bremsstrahlung electron counting.",

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AU - Teymurazyan, A.

AU - Ahmidouch, A.

AU - Ambrozewicz, P.

AU - Asratyan, A.

AU - Baker, K.

AU - Benton, L.

AU - Burkert, V.

AU - Clinton, E.

AU - Cole, P.

AU - Collins, P.

AU - Dale, D.

AU - Danagoulian, S.

AU - Davidenko, G.

AU - Demirchyan, R.

AU - Deur, A.

AU - Dolgolenko, A.

AU - Dzyubenko, G.

AU - Ent, R.

AU - Evdokimov, A.

AU - Feng, J.

AU - Gabrielyan, M.

AU - Gan, L.

AU - Gasparian, A.

AU - Glamazdin, A.

AU - Goryachev, V.

AU - Hardy, K.

AU - He, J.

AU - Ito, M.

AU - Jiang, L.

AU - Kashy, D.

AU - Khandaker, M.

AU - Kolarkar, A.

AU - Konchatnyi, M.

AU - Korchin, A.

AU - Korsch, W.

AU - Kosinov, O.

AU - Kowalski, S.

AU - Kubantsev, M.

AU - Kubarovsky, V.

AU - Larin, I.

AU - Lawrence, D.

AU - Li, X.

AU - Martel, P.

AU - Matveev, V.

AU - McNulty, D.

AU - Mecking, B.

AU - Milbrath, B.

AU - Minehart, R.

AU - Miskimen, R.

AU - Mochalov, V.

AU - Nakagawa, I.

AU - Overby, S.

AU - Pasyuk, E.

AU - Payen, M.

AU - Pedroni, R.

AU - Prok, Y.

AU - Ritchie, B.

AU - Salgado, C.

AU - Shahinyan, A.

AU - Sitnikov, A.

AU - Sober, D.

AU - Stepanyan, S.

AU - Stevens, W.

AU - Underwood, J.

AU - Vasiliev, A.

AU - Vishnyakov, V.

AU - Wood, M.

AU - Zhou, S.

PY - 2014/12/11

Y1 - 2014/12/11

N2 - The Jefferson Laboratory PrimEx Collaboration has developed and implemented a method to control the tagged photon flux in photoproduction experiments at the 1% level over the photon energy range from 4.9 to 5.5 GeV. This method has been successfully implemented in a high precision measurement of the neutral pion lifetime. Here, we outline the experimental equipment and the analysis techniques used to accomplish this. These include the use of a total absorption counter for absolute flux calibration, a pair spectrometer for online relative flux monitoring, and a new method for post-bremsstrahlung electron counting.

AB - The Jefferson Laboratory PrimEx Collaboration has developed and implemented a method to control the tagged photon flux in photoproduction experiments at the 1% level over the photon energy range from 4.9 to 5.5 GeV. This method has been successfully implemented in a high precision measurement of the neutral pion lifetime. Here, we outline the experimental equipment and the analysis techniques used to accomplish this. These include the use of a total absorption counter for absolute flux calibration, a pair spectrometer for online relative flux monitoring, and a new method for post-bremsstrahlung electron counting.

KW - Pair spectrometer

KW - Photon tagging

KW - Photonuclear reactions

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U2 - 10.1016/j.nima.2014.07.025

DO - 10.1016/j.nima.2014.07.025

M3 - Article

AN - SCOPUS:84908042932

SN - 0168-9002

VL - 767

SP - 300

EP - 309

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

ER -

High precision photon flux determination for photon tagging experiments

Abstract

Bibliographical note

Keywords

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