h1. Refereed publications

The MICE publications in refereed journals are presented below.

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h2. First particle-by-particle measurement of emittance in the Muon Ionization Cooling Experiment

[[Direct measurement of emittance using the MICE scintillating fibre tracker|Details]]

h3. Abstract

bq. The Muon Ionization Cooling Experiment (MICE) collaboration seeks to demonstrate the feasibility of ionization cooling, the technique by which it is proposed to cool the muon beam at a future neutrino factory or muon collider. The emittance is measured from an ensemble of muons assembled from those that pass through the experiment.  A pure muon ensemble is selected using a particleidentification system that can reject efficiently both pions and electrons. The position and momentum of each muon are measured using a high-precision scintillating-fibre tracker in a 4T solenoidal magnetic field. This paper presents the techniques used to reconstruct the phase-space distributions in the upstream tracking detector and reports the first particleby-particle measurement of the emittance of theMICE Muon Beam as a function of muon-beam momentum.  

h3. Paper

Published in: Eur. Phys. J. C (2019) 79:257 

arXiv: https://arxiv.org/abs/1810.13224

RAL Preprint: RAL-P-2018-005

DOI: "doi.org/10.1140/epjc/s10052-019-6674-y ":https://doi.org/10.1140/epjc/s10052-019-6674-y

BibTeX

References

Source

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h2. Design and expected performance of the MICE Demonstration of Ionization Cooling

[[Design and expected performance of the MICE Demonstration of Ionization Cooling|Details]]

*Abstract:* 

    bq. Muon beams of low emittance provide the basis for the intense, well-characterised neutrino beams necessary to elucidate the physics of flavour at a neutrino factory and to provide lepton-antilepton collisions at energies of up to several TeV at a muon collider. The international Muon Ionization Cooling Experiment (MICE) aims to demonstrate ionization cooling, the technique by which it is proposed to reduce the phase-space volume occupied by the muon beam at such facilities. In an ionization-cooling channel, the muon beam passes through a material in which it loses energy. The energy lost is then replaced using RF cavities. The combined effect of energy loss and re-acceleration is to reduce the transverse emittance of the beam (transverse cooling). A major revision of the scope of the project was carried out over the summer of 2014. The revised experiment can deliver a demonstration of ionization cooling. The design of the cooling demonstration experiment will be described together with its predicted cooling performance.

*Paper:*

Published in: "Physical Review Accelerators and Beams 20, 063501, 19 June 2017":https://journals.aps.org/prab/abstract/10.1103/PhysRevAccelBeams.20.063501

arXiv: "1701.06403":http://arxiv.org/abs/1701.06403

RAL Preprint: "RAL-P-2017-002":http://purl.org/net/epubs/work/31470969

DOI: "10.1103/PhysRevAccelBeams.20.063501 ":https://journals.aps.org/prab/abstract/10.1103/PhysRevAccelBeams.20.063501

BibTex: forthcoming

References: forthcoming

"Source":http://micewww.pp.rl.ac.uk/attachments/8272/1701.06403v1.tar

*Figures:*

"Fig. 1":http://micewww.pp.rl.ac.uk/attachments/8195/Cooling-demo-labels.pdf "Fig. 2":http://micewww.pp.rl.ac.uk/attachments/8190/shutter.pdf "Fig. 3":http://micewww.pp.rl.ac.uk/attachments/8198/beta_phase_adv_final.pdf "Fig. 4":http://micewww.pp.rl.ac.uk/attachments/8216/emit_phase_adv_final.pdf "Fig. 5":http://micewww.pp.rl.ac.uk/attachments/8224/bz_total_end_final.pdf "Fig. 6":http://micewww.pp.rl.ac.uk/attachments/8211/beta_total_final.pdf "Fig. 7a":http://micewww.pp.rl.ac.uk/attachments/8243/energy_140_final.pdf "Fig. 7b":http://micewww.pp.rl.ac.uk/attachments/8247/energy_200_final.pdf "Fig. 7c":http://micewww.pp.rl.ac.uk/attachments/8252/energy_240_final.pdf "Fig. 8a":http://micewww.pp.rl.ac.uk/attachments/8229/emit_140_both_final.pdf "Fig. 8b":http://micewww.pp.rl.ac.uk/attachments/8223/emit_200_final.pdf "Fig. 8c":http://micewww.pp.rl.ac.uk/attachments/8231/emit_240_final.pdf "Fig. 9":http://micewww.pp.rl.ac.uk/attachments/download/9051/transmission_all_final.pdf "Fig. 10":http://micewww.pp.rl.ac.uk/attachments/download/9052/emit_compa_all_final.pdf

*Tables:*

"Table 1":http://micewww.pp.rl.ac.uk/attachments/8257/table_1.pdf "Table 2":http://micewww.pp.rl.ac.uk/attachments/8250/table_2.pdf "Table 3":http://micewww.pp.rl.ac.uk/attachments/8263/table_3.pdf "Table 4":http://micewww.pp.rl.ac.uk/attachments/8266/table_4.pdf "Table 5":http://micewww.pp.rl.ac.uk/attachments/8268/table_5.pdf

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h2. Pion contamination in the MICE muon beam

"Details":http://micewww.pp.rl.ac.uk/projects/analysis/wiki/Step1_pion_contamination

*Abstract*

bq. The international Muon Ionization Cooling Experiment (MICE) will perform a systematic 

investigation of ionization cooling with muon beams of momentum between 140 and 240 MeV/c at the

Rutherford Appleton Laboratory ISIS facility.  The measurement of ionization cooling in MICE

relies on the selection of a pure sample of muons that traverse the experiment. To make this 

selection, the MICE Muon Beam is designed to deliver a beam of muons with less than ~ 1% 

contamination. To make the final muon selection, MICE employs a particle-identification (PID) system

upstream and downstream of the cooling cell. The PID system includes time-of-flight hodoscopes,

threshold-Cherenkov counters and calorimetry.  The upper limit for the pion contamination measured 

in this paper is f_{\pi} < 1.4% at 90% C.L., including systematic uncertainties.  Therefore, the

MICE Muon Beam is able to meet the stringent pion-contamination requirements of the study of

ionization cooling.

*Paper:*

Published in:  "2016 JINST 11 P03001":http://iopscience.iop.org/article/10.1088/1748-0221/11/03/P03001

arXiv: "1511.00556":http://arxiv.org/abs/1511.00556

RAL Preprint: RAL-P-2015-009

DOI: Forthcoming

"BibTeX":http://micewww.pp.rl.ac.uk/attachments/5576/pion_contamination.bib

*Figures:*

"Fig. 1":http://micewww.pp.rl.ac.uk/attachments/5582/Cooling-demo-labels.pdf, "Fig. 2":http://micewww.pp.rl.ac.uk/attachments/5581/beamline_schematic__step1.pdf, "Fig. 3a":http://micewww.pp.rl.ac.uk/attachments/5585/muon_run.pdf, "Fig. 3b":http://micewww.pp.rl.ac.uk/attachments/5577/p_222.pdf, "Fig. 4a":http://micewww.pp.rl.ac.uk/attachments/5579/tof_data_MC.pdf, "Fig. 4b":http://micewww.pp.rl.ac.uk/attachments/5578/P_plot.pdf, "Fig. 5":http://micewww.pp.rl.ac.uk/attachments/5580/tof_pair.pdf, "Fig. 6":http://micewww.pp.rl.ac.uk/attachments/5583/KL_Data.pdf, "Fig. 7":http://micewww.pp.rl.ac.uk/attachments/5584/KL_MC.pdf

*Tables:*

"Table 1":http://micewww.pp.rl.ac.uk/attachments/5597/runTable.tex, "Table 2":http://micewww.pp.rl.ac.uk/attachments/5598/beam_settingsTable.tex, "Table 3":http://micewww.pp.rl.ac.uk/attachments/5600/systematicsTable.tex

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h2. Electron-Muon Ranger: performance in the MICE Muon Beam

"Details":http://micewww.pp.rl.ac.uk/projects/analysis/wiki/Step1_emr_paper

*Abstract*

    bq. The Muon Ionization Cooling Experiment (MICE) will perform a detailed study of ionization cooling to evaluate the feasibility of the technique. To carry out this program, MICE requires an efficient particle-identification (PID) system to identify muons. The Electron-Muon Ranger (EMR) is a fully-active tracking-calorimeter that forms part of the PID system and tags muons that traverse the cooling channel without decaying. The detector is capable of identifying electrons with an efficiency of 98.6%, providing a purity for the MICE beam that exceeds 99.8%. The EMR also proved to be a powerful tool for the reconstruction of muon momenta in the range 100--280 MeV/c.

*Paper:*

Published in:  "2015 JINST 10 P12012":http://iopscience.iop.org/article/10.1088/1748-0221/10/12/P12012

arXiv: "1510.08306":http://arxiv.org/abs/1510.08306

RAL Preprint: RAL-P-2015-008

DOI: "10.1088/1748-0221/10/12/P12012":http://dx.doi.org/10.1088/1748-0221/10/12/P12012

"BibTeX":http://micewww.pp.rl.ac.uk/attachments/4979/emr_paper.bib

*Figures:*

"Fig. 1":http://micewww.pp.rl.ac.uk/attachments/4915/Figure1.pdf, "Fig. 2":http://micewww.pp.rl.ac.uk/attachments/4918/Figure2.pdf, "Fig. 3":http://micewww.pp.rl.ac.uk/attachments/4921/Figure3.pdf, "Fig. 4":http://micewww.pp.rl.ac.uk/attachments/4924/Figure4.pdf, "Fig. 5":http://micewww.pp.rl.ac.uk/attachments/4927/Figure5.pdf, "Fig. 6":http://micewww.pp.rl.ac.uk/attachments/4930/Figure6.pdf, "Fig. 7":http://micewww.pp.rl.ac.uk/attachments/4933/Figure7.pdf, "Fig. 8":http://micewww.pp.rl.ac.uk/attachments/4937/Figure8.pdf, "Fig. 9":http://micewww.pp.rl.ac.uk/attachments/4940/Figure9.pdf, "Fig. 10":http://micewww.pp.rl.ac.uk/attachments/4946/Figure10.pdf, "Fig. 11":http://micewww.pp.rl.ac.uk/attachments/4949/Figure11.pdf, "Fig. 12":http://micewww.pp.rl.ac.uk/attachments/4943/Figure12.pdf, "Fig. 13":http://micewww.pp.rl.ac.uk/attachments/4915/4955/Figure13.pdf, "Fig. 14":http://micewww.pp.rl.ac.uk/attachments/4958/Figure14.pdf, "Fig. 15":http://micewww.pp.rl.ac.uk/attachments/4952/Figure15.pdf, "Fig. 16":http://micewww.pp.rl.ac.uk/attachments/4964/Figure16.pdf, "Fig. 17":http://micewww.pp.rl.ac.uk/attachments/4967/Figure17.pdf, "Fig. 18":http://micewww.pp.rl.ac.uk/attachments/4961/Figure18.pdf, "Fig. 19":http://micewww.pp.rl.ac.uk/attachments/4969/Figure19.pdf

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h2. Characterisation of the muon beams for the Muon Ionization Cooling Experiment

[[10-1140-epjc-s10052-013-2582-8|Details]]

*Abstract:* 

    bq. A novel single-particle technique to measure emittance has been developed and used to characterise seventeen different muon beams for the Muon Ionisation Cooling Experiment (MICE). The muon beams, whose mean momenta vary from 171 to 281 MeV/c, have emittances of approximately 1.5--2.3 \pi mm-rad horizontally and 0.6--1.0 \pi mm-rad vertically, a horizontal dispersion of 90--190 mm and momentum spreads of about 25 MeV/c. There is reasonable agreement between the measured parameters of the beams and the results of simulations. The beams are found to meet the requirements of MICE. 

*Paper:*

Published in "European Journal of Physics C, Volume 73, Number 10 (2013)":http://rd.springer.com/article/10.1140%2Fepjc%2Fs10052-013-2582-8

arXiv: "1306.1509":http://arxiv.org/abs/1306.1509

DOI: "10.1140/epjc/s10052-013-2582-8":http://dx.doi.org/10.1140/epjc/s10052-013-2582-8

"INSPIRE HEP":http://inspirehep.net/record/1258073?ln=en

"BibTeX":http://micewww.pp.rl.ac.uk/attachments/3272/references_v2.bib

*Figures:*

"Fig. 1":http://micewww.pp.rl.ac.uk/attachments/3259/figure1-eps-converted-to.pdf, "Fig. 2":http://micewww.pp.rl.ac.uk/attachments/3260/figure2-eps-converted-to.pdf, "Fig. 3":http://micewww.pp.rl.ac.uk/attachments/3261/figure3-eps-converted-to.pdf, "Fig. 4a":http://micewww.pp.rl.ac.uk/attachments/3262/figure4a-eps-converted-to.pdf, "Fig. 4b":http://micewww.pp.rl.ac.uk/attachments/3264/figure4b-eps-converted-to.pdf, "Fig. 5":http://micewww.pp.rl.ac.uk/attachments/3255/figure5-eps-converted-to.pdf, "Fig. 6":http://micewww.pp.rl.ac.uk/attachments/3256/figure6-eps-converted-to.pdf, "Fig 7a--f":http://micewww.pp.rl.ac.uk/attachments/3257/figure7a_f-eps-converted-to.pdf, "Fig. 8a--c":http://micewww.pp.rl.ac.uk/attachments/3258/figure8a_c-eps-converted-to.pdf, "Fig. 9a":http://micewww.pp.rl.ac.uk/attachments/3263/figure9a-eps-converted-to.pdf, "Fig. 9b":http://micewww.pp.rl.ac.uk/attachments/3277/figure9b-eps-converted-to.pdf, "Fig. 10":http://micewww.pp.rl.ac.uk/attachments/3266/figure10-eps-converted-to.pdf, "Fig. 11":http://micewww.pp.rl.ac.uk/attachments/3267/figure11-eps-converted-to.pdf, "Fig. 12":http://micewww.pp.rl.ac.uk/attachments/3268/figure12-eps-converted-to.pdf, "Fig. 13":http://micewww.pp.rl.ac.uk/attachments/3269/figure13-eps-converted-to.pdf, "Fig. 14":http://micewww.pp.rl.ac.uk/attachments/3270/figure14-eps-converted-to.pdf, "Fig. 15":http://micewww.pp.rl.ac.uk/attachments/3278/figure15-eps-converted-to.pdf

*Tables:*

"Table 1":http://micewww.pp.rl.ac.uk/attachments/3275/momentumTable.tex, "Table 2":http://micewww.pp.rl.ac.uk/attachments/3273/errorTable.tex, "Table 3":http://micewww.pp.rl.ac.uk/attachments/3274/summaryTable_v2.tex, "Table 4":http://micewww.pp.rl.ac.uk/attachments/3271/dispersionTable.tex

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h2. The MICE Muon Beam on ISIS and the beam-line instrumentation of the Muon Ionization Cooling Experiment

[[10-1088-1748-0221-7-5-p05009|Details]]

*Abstract:*

bq. The international Muon Ionization Cooling Experiment (MICE), which is under construction at the Rutherford Appleton Laboratory (RAL), will demonstrate the principle of ionization cooling as a technique for the reduction of the phase-space volume occupied by a muon beam. Ionization cooling channels are required for the Neutrino Factory and the Muon Collider. MICE will evaluate in detail the performance of a single lattice cell of the Feasibility Study 2 cooling channel. The MICE Muon Beam has been constructed at the ISIS synchrotron at RAL, and in MICE Step I, it has been characterized using the MICE beam-instrumentation system. In this paper, the MICE Muon Beam and beam-line instrumentation are described. The muon rate is presented as a function of the beam loss generated by the MICE target dipping into the ISIS proton beam. For a 1 V signal from the ISIS beam-loss monitors downstream of our target we obtain a 30 KHz instantaneous muon rate, with a neglible pion contamination in the beam. 

*Paper:*

Published in "Journal of Instrumentation, Volume 7, Number 5 (2012)":http://iopscience.iop.org/1748-0221/7/05/P05009

arXiv: "1203.4089":http://arxiv.org/abs/1203.4089

DOI: "10.1088/1748-0221/7/05/P05009":http://dx.doi.org/10.1088/1748-0221/7/05/P05009

"INSPIRE HEP":http://inspirehep.net/record/1094170?ln=en

"BibTeX":http://micewww.pp.rl.ac.uk/attachments/3326/10-1088-1748-0221-7-05-P05009.bib

*Figures:*

*Tables:*