Diffusiophoresis of a Spherical Volatile Particle

Aoki, Kazuo; Hatano, Masatake; Kosuge, Shingo; Takata, Shigeru

doi:10.1063/1.1941619

Cited by 2 publications

(2 citation statements)

References 9 publications

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“…An experimental search for muon-electron conversion in the nuclear field, DeeMe, is proposed at J-PARC MLF MUSE [10,11]. DeeMe experiment will be carried out at a brand-new beamline (H Line) which will be constructed at J-PARC MLF MUSE.…”

Section: Deeme Experimentsmentioning

confidence: 99%

Silicon Carbide Target for a Muon-Electron Conversion Search at J-PARC MLF

Nakatsugawa¹,

Aoki²,

Meigo³

et al. 2015

Proceedings of the 2nd International Symposium on Science at J-Parc — Unlocking the Mysteries of Life, Matter and the Universe

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It is considered that muon-electron conversion would be one of the most obvious evidence of the new physics beyond the standard model. An experimental search for muon-electron conversion in the nuclear field, DeeMe, is proposed at J-PARC Materials and Life Science Experimental Facility (MLF). DeeMe experiment will be carried out at a brand-new beamline (H-Line) which will be constructed at J-PARC MLF Muon Science Establishment (MUSE). The single event sensitivity achieved by the experiment with the current graphite production target of MUSE is estimated to be 1.2 × 10 −13 . This is smaller than the current upper limit but it is desirable to make the experiment more sensitive. In order to improve the sensitivity, it is planned to replace the graphite target with a silicon carbide (SiC) target. Thanks to the larger pion production rate and the larger muon capture rate of silicon nucleus, the number of muonic atoms formed in a SiC target is expected to be totally 6 times as large as in a graphite target and then the single event sensitivity for SiC target is estimated to be 2.1 × 10 −14 , nearly two orders of magnitudes below current upper limit. The current status of the preparation for the use of a SiC target is reported.

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Section: Deeme Experimentsmentioning

confidence: 99%

Silicon Carbide Target for a Muon-Electron Conversion Search at J-PARC MLF

Nakatsugawa¹,

Aoki²,

Meigo³

et al. 2015

Proceedings of the 2nd International Symposium on Science at J-Parc — Unlocking the Mysteries of Life, Matter and the Universe

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“…Those problems were first considered in the case of a single-component system ͑i.e., a pure vapor and its condensed phase͒. Then part of the analysis has been extended to the case of mixtures, i.e., the case of a binary mixture of vapor and noncondensable gas [29][30][31][32] or a mixture of vapors, [33][34][35] because of the practical importance as well as of the theoretical interest for the mixtures.…”

Section: Introductionmentioning

confidence: 99%

Slow evaporation and condensation on a spherical droplet in the presence of a noncondensable gas

2010

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A spherical droplet is placed in a binary mixture composed of the vapor of the droplet and another gas which neither evaporates nor condenses ͑a noncondensable gas͒. The mixture is in an equilibrium state at rest at infinity. A slow steady flow of the vapor caused by weak evaporation or condensation, under the influence of the noncondensable gas, is investigated on the basis of a linearized model Boltzmann equation. Numerical analyses by means of a finite-difference method are carried out for a wide range of the Knudsen number ͑i.e., from a large to small droplet compared to the molecular mean free path͒. The numerical results, together with analytical solutions for small and large Knudsen numbers, clarify the behavior the mixture, i.e., the mass-and heat-flow rates from or onto the droplet as well as spatial distributions of the macroscopic quantities, in the entire range of gas rarefaction. The solution for the steady heat transfer problem between a solid sphere and a binary gas mixture is also obtained as a byproduct.

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Diffusiophoresis of a Spherical Volatile Particle

Cited by 2 publications

References 9 publications

Silicon Carbide Target for a Muon-Electron Conversion Search at J-PARC MLF

Silicon Carbide Target for a Muon-Electron Conversion Search at J-PARC MLF

Slow evaporation and condensation on a spherical droplet in the presence of a noncondensable gas

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