A Cosmic Ray Muon Spectrometer Using Pressurized Gaseous Cherenkov Radiators

Bae, Junghyun; Chatzidakis, Stylianos

doi:10.48550/arxiv.2110.15061

Cited by 1 publication

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“…. , N µ (9) where N µ is the total number of muon events. All measured muon momenta are classified by a finite number of momentum levels depending on the number of radiators in the muon spectrometer.…”

Section: Momentum-dependent Pocamentioning

confidence: 99%

“…This requires longer measurement times to compensate for the reduction in image resolution. To address this limitation, a Cherenkovbased muon spectrometer is currently under development for measuring muon momentum in the field [9,10]. Using pressurized gas Cherenkov radiators and depending on the pressure level, we can create a set of increasing muon momentum thresholds.…”

Section: Introductionmentioning

confidence: 99%

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Momentum-Dependent Cosmic Ray Muon Computed Tomography Using a Fieldable Muon Spectrometer

Bae

Chatzidakis

2022

Energies

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Cosmic ray muon tomography has been recently explored as a non-destructive technique for monitoring or imaging dense well-shielded objects, classically not achievable with traditional tomographic methods. As a recent example of technology transition from high-energy physics to real-world engineering applications, cosmic ray muon tomography has been used with various levels of success in nuclear nonproliferation. However, present muon detection systems have no momentum measurement capabilities and recently developed muon-based radiographic techniques rely only on muon tracking. This unavoidably reduces resolution and requires longer measurement times thus limiting the widespread use of cosmic ray muon tomography. Measurement of cosmic ray muon momenta has the potential to significantly improve the efficiency and resolution of cosmic ray muon tomography. In this paper, we propose and explore the use of momentum-dependent cosmic ray muon tomography using multi-layer gas Cherenkov radiators, a new concept for measuring muon momentum in the field. The muon momentum measurements are coupled with a momentum-dependent imaging algorithm (mPoCA) and image reconstructions are presented to demonstrate the benefits of measuring momentum in cosmic ray muon tomography.

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Section: Momentum-dependent Pocamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%