Picosecond Photon Detectors for the LHC

Margaryan, A.; Ajvazyan, R.; Zhamkochyan, S.; Annand, J. R. M.

doi:10.5506/aphyspolbsupp.7.759

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The Radio Frequency Photomultiplier Tube1

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2017

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“…The time resolution for a single PE of this RF timing technique, ∆τ RF = ∆τ 2 l + ∆τ 2 d 1/2 , is determined by the transit time spread (TTS), ∆τ l , of PE's in the electron tube and the time resolution of the RF deflector, ∆τ d . The transit time spreads were simulated by means of SIMION 8 software [18]. For an optimized tube geometry the calculated TTS as a function of applied accelerating voltage is shown in Fig.…”

Section: The Radio Frequency Photomultiplier Tubementioning

confidence: 99%

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

Margaryan

Annand

Achenbach

et al. 2017

Nuclear Instruments and Methods in Physics Research Section A:

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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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Section: The Radio Frequency Photomultiplier Tubementioning

confidence: 99%