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Study of Ionization Cooling with the MICE Experiment

Abstract

The international Muon Ionization Cooling Experiment (MICE) will demonstrate the ionization cooling of muons; the only known
technique that can provide high brightness muon beams suitable for applications such as a Neutrino Factory or Muon Collider.
MICE is underway at the Rutherford Appleton Laboratory and has recently taken the data necessary to characterise the physical
processes that underlie the ionization-cooling effect. Measurements of the change in normalised transverse amplitude are
presented in two configurations. The measurements of the ionization-cooling effect are discussed.

Paper

Published in: forthcoming
arXiv: forthcoming
RAL Preprint: forthcoming
DOI: forthcoming

BibTex: forthcoming
References: forthcoming
Source: forthcoming

Figures

Figure 1

Schematic of the Muon Ionization Cooling Experiment

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Figure 2

The integrated number of triggers taken by MICE since 2015. Text in the figure identifies the ISIS user-cycle.

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Figure 3

Modelled magnetic field for the configuration on the axis and with 160 mm horizontal displacement from the axis. Hall probes, situated 160 mm from the beam axis, show a 2 $\%$ discrepancy with the model. Dashed lines show position of the tracker stations and absorber.

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Figure 4

Design optics for the configuration. Dashed lines show position of the tracker stations and absorber.

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Figure 5

Change in amplitude distribution for the `3-140' configuration (top) and for the `6-140' configuration (bottom). The transmission is around 90 $\%$ and 80 $\%$ respectively. (Blue circles) amplitude of all upstream events; (red triangles) amplitude of all downstream events; (magenta squares) amplitude of upstream events that are not observed downstream.

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Ancillary Figures

Beta

Optical beta function profile in the MC truth (blue line), reconstructed MC (red circles) and data (green squares).

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Alpha

Optical alpha function profile in the MC truth (blue line), reconstructed MC (red circles) and data (green squares).

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Gamma

Optical gamma function profile in the MC truth (blue line), reconstructed MC (red circles) and data (green squares).

(pdf) (png)

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WEPAB129f2.pdf (46.8 KB) Rogers, Chris, 11 May 2017 13:59

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WEPAB129f4.pdf (87.5 KB) Rogers, Chris, 14 September 2017 09:33

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alpha.pdf (16.6 KB) Rogers, Chris, 13 November 2017 11:49

alpha.png (170 KB) Rogers, Chris, 13 November 2017 11:49

alpha_thumb.png (10.8 KB) Rogers, Chris, 13 November 2017 11:49

beta.pdf (16.5 KB) Rogers, Chris, 13 November 2017 11:49

beta.png (173 KB) Rogers, Chris, 13 November 2017 11:49

beta_thumb.png (10.6 KB) Rogers, Chris, 13 November 2017 11:49

gamma.pdf (16.6 KB) Rogers, Chris, 13 November 2017 11:49

gamma.png (156 KB) Rogers, Chris, 13 November 2017 11:49

gamma_thumb.png (9.64 KB) Rogers, Chris, 13 November 2017 11:49