Development of a thin-wall straw-tube tracker for comet experiment

Kazuki Ueno, Peter Evtoukhovitch, Yuki Fujii, Eitaro Hamada, Satoshi Mihara, Anatoly Moiseenko, Hajime Nishiguchi, Kou Oishi, Takashi Saito, Alexander Samartsev, Junji Tojo, Zviadi Tsamalaidze, Nikolozi Tsverava

Research output: Contribution to journalConference article

Abstract

The COMET experiment at J-PARC aims to search for the charged lepton flavor violating process of neutrinoless muon to electron conversion with an improvement of a sensitivity by a factor of 10000 to the current limit, in order to explore the parameter region predicted by most of well-motivated theoretical models beyond the Standard Model. When the muon to electron conversion occurs, almost all the energy of the muon mass is carried out by the electron which is expected to have the monochromatic energy of about 105 MeV. The experiment requires to detect such electron with an excellent momentum resolution, better than 200 keV/c, in order to achieve the goal sensitivity. Thus the very light material detector which is operational in vacuum is indispensable. On the basis of the requirement, we have developed the thin-wall straw-tube tracker which is operational in the vacuum and constructed by the extremely light material. The prototype straw-tube tracker has been developed, which consists of 9.8 mm diameter tube, longer than 1 m length, with 20 µm thickness Mylar foil and 70 nm aluminum deposition, and its performance evaluation using radioactive source, cosmic ray, and electron beam has been performed. In this paper, we introduce the straw-tube tracker and report the current status of the performance evaluation for the prototype tracker.

Original languageEnglish
JournalProceedings of Science
Publication statusPublished - Jan 1 2017
Event2017 European Physical Society Conference on High Energy Physics, EPS-HEP 2017 - Venice, Italy
Duration: Jul 5 2017Jul 12 2017

Fingerprint

thin walls
comets
tubes
muons
electrons
prototypes
Mylar (trademark)
vacuum
evaluation
sensitivity
leptons
cosmic rays
foils
electron beams
aluminum
momentum
requirements
energy
detectors

All Science Journal Classification (ASJC) codes

  • General

Cite this

Ueno, K., Evtoukhovitch, P., Fujii, Y., Hamada, E., Mihara, S., Moiseenko, A., ... Tsverava, N. (2017). Development of a thin-wall straw-tube tracker for comet experiment. Proceedings of Science.

Development of a thin-wall straw-tube tracker for comet experiment. / Ueno, Kazuki; Evtoukhovitch, Peter; Fujii, Yuki; Hamada, Eitaro; Mihara, Satoshi; Moiseenko, Anatoly; Nishiguchi, Hajime; Oishi, Kou; Saito, Takashi; Samartsev, Alexander; Tojo, Junji; Tsamalaidze, Zviadi; Tsverava, Nikolozi.

In: Proceedings of Science, 01.01.2017.

Research output: Contribution to journalConference article

Ueno, K, Evtoukhovitch, P, Fujii, Y, Hamada, E, Mihara, S, Moiseenko, A, Nishiguchi, H, Oishi, K, Saito, T, Samartsev, A, Tojo, J, Tsamalaidze, Z & Tsverava, N 2017, 'Development of a thin-wall straw-tube tracker for comet experiment', Proceedings of Science.
Ueno K, Evtoukhovitch P, Fujii Y, Hamada E, Mihara S, Moiseenko A et al. Development of a thin-wall straw-tube tracker for comet experiment. Proceedings of Science. 2017 Jan 1.
Ueno, Kazuki ; Evtoukhovitch, Peter ; Fujii, Yuki ; Hamada, Eitaro ; Mihara, Satoshi ; Moiseenko, Anatoly ; Nishiguchi, Hajime ; Oishi, Kou ; Saito, Takashi ; Samartsev, Alexander ; Tojo, Junji ; Tsamalaidze, Zviadi ; Tsverava, Nikolozi. / Development of a thin-wall straw-tube tracker for comet experiment. In: Proceedings of Science. 2017.
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