High precision momentum calibration of the magnetic spectrometers at MAMI for hypernuclear binding energy determination

A. Margaryan; J. R.M. Annand; P. Achenbach; R. Ajvazyan; H. Elbakyan; R. Montgomery; S. N. Nakamura; J. Pochodzalla; F. Schulz; Y. Toyama; S. Zhamkochyan

doi:10.1016/j.nima.2016.09.051

High precision momentum calibration of the magnetic spectrometers at MAMI for hypernuclear binding energy determination

A. Margaryan, J. R.M. Annand, P. Achenbach, R. Ajvazyan, H. Elbakyan, R. Montgomery, S. N. Nakamura, J. Pochodzalla, F. Schulz, Y. Toyama, S. Zhamkochyan

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

2 Citations (Scopus)

Abstract

We propose a new method for absolute momentum calibration of magnetic spectrometers used in nuclear physics, using the time-of-flight (TOF) differences of pairs of particles with different masses. In cases where the flight path is not known, a calibration can be determined by using the TOF differences of two pair combinations of three particles. A Cherenkov detector, read out by a radio frequency photomultiplier tube, is considered as the high-resolution and highly stable TOF detector. By means of Monte Carlo simulations it is demonstrated that the magnetic spectrometers at the MAMI electron-scattering facility can be calibrated absolutely with an accuracy δp/p≤10⁻⁴, which will be crucial for high precision determination of hypernuclear masses.

Original language	English
Pages (from-to)	98-105
Number of pages	8
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	846
DOIs	https://doi.org/10.1016/j.nima.2016.09.051
Publication status	Published - 2017 Feb 21
Externally published	Yes

Keywords

Absolute calibration
Cherenkov detectors
Magnetic spectrometers
Radio Frequency Photomultiplier
Time of flight

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2016.09.051

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Margaryan, A., Annand, J. R. M., Achenbach, P., Ajvazyan, R., Elbakyan, H., Montgomery, R., Nakamura, S. N., Pochodzalla, J., Schulz, F., Toyama, Y., & Zhamkochyan, S. (2017). High precision momentum calibration of the magnetic spectrometers at MAMI for hypernuclear binding energy determination. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 846, 98-105. https://doi.org/10.1016/j.nima.2016.09.051

High precision momentum calibration of the magnetic spectrometers at MAMI for hypernuclear binding energy determination. / Margaryan, A.; Annand, J. R.M.; Achenbach, P. et al.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 846, 21.02.2017, p. 98-105.

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

Margaryan, A, Annand, JRM, Achenbach, P, Ajvazyan, R, Elbakyan, H, Montgomery, R, Nakamura, SN, Pochodzalla, J, Schulz, F, Toyama, Y & Zhamkochyan, S 2017, 'High precision momentum calibration of the magnetic spectrometers at MAMI for hypernuclear binding energy determination', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 846, pp. 98-105. https://doi.org/10.1016/j.nima.2016.09.051

Margaryan A, Annand JRM, Achenbach P, Ajvazyan R, Elbakyan H, Montgomery R et al. High precision momentum calibration of the magnetic spectrometers at MAMI for hypernuclear binding energy determination. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2017 Feb 21;846:98-105. https://doi.org/10.1016/j.nima.2016.09.051

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abstract = "We propose a new method for absolute momentum calibration of magnetic spectrometers used in nuclear physics, using the time-of-flight (TOF) differences of pairs of particles with different masses. In cases where the flight path is not known, a calibration can be determined by using the TOF differences of two pair combinations of three particles. A Cherenkov detector, read out by a radio frequency photomultiplier tube, is considered as the high-resolution and highly stable TOF detector. By means of Monte Carlo simulations it is demonstrated that the magnetic spectrometers at the MAMI electron-scattering facility can be calibrated absolutely with an accuracy δp/p≤10−4, which will be crucial for high precision determination of hypernuclear masses.",

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AU - Achenbach, P.

AU - Ajvazyan, R.

AU - Elbakyan, H.

AU - Montgomery, R.

AU - Nakamura, S. N.

AU - Pochodzalla, J.

AU - Schulz, F.

AU - Toyama, Y.

AU - Zhamkochyan, S.

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AB - We propose a new method for absolute momentum calibration of magnetic spectrometers used in nuclear physics, using the time-of-flight (TOF) differences of pairs of particles with different masses. In cases where the flight path is not known, a calibration can be determined by using the TOF differences of two pair combinations of three particles. A Cherenkov detector, read out by a radio frequency photomultiplier tube, is considered as the high-resolution and highly stable TOF detector. By means of Monte Carlo simulations it is demonstrated that the magnetic spectrometers at the MAMI electron-scattering facility can be calibrated absolutely with an accuracy δp/p≤10−4, which will be crucial for high precision determination of hypernuclear masses.

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KW - Cherenkov detectors

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KW - Radio Frequency Photomultiplier

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ER -

High precision momentum calibration of the magnetic spectrometers at MAMI for hypernuclear binding energy determination

Abstract

Keywords

ASJC Scopus subject areas

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