2016年
Recent progress of SPAN towards neutrino mass spectroscopy
XIV INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2015), PTS 1-7
- ,
- ,
- ,
- ,
- ,
- ,
- ,
- ,
- 巻
- 718
- 号
- 6
- 記述言語
- 英語
- 掲載種別
- 研究論文(国際会議プロシーディングス)
- DOI
- 10.1088/1742-6596/718/6/062043
- 出版者・発行元
- IOP PUBLISHING LTD
SPAN (SPectroscopy of Atomic Neutrino) project aims to determine the absolute neutrino mass. The process we plan to use is a cooperative de-excitation of atoms in a metastable level emitting a neutrino pair associated with a photon. The photon energy spectrum of this process contains information on the absolute mass of neutrino. Key items of this experiment are a rate amplification using macro-coherence in a target medium in case of plural particles emission and an external triggering of the emission in order to scan the spectrum. We have demonstrated the rate amplification in two-photon emission from para-hydrogen gas which was coherently excited to its first vibrationally excited state. The coherence in the medium was generated by irradiating two driving laser pulses. The emission was stimulated by irradiating a mid-infrared laser pulse. The enhancement factor of more than 10(18) with respect to the spontaneous emission was achieved. This paper briefly summarizes the results.
- リンク情報
-
- DOI
- https://doi.org/10.1088/1742-6596/718/6/062043
- Web of Science
- https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000391490200184&DestApp=WOS_CPL
- URL
- http://www.scopus.com/inward/record.url?eid=2-s2.0-84981322891&partnerID=MN8TOARS
- URL
- http://orcid.org/0000-0001-8122-5145
- ID情報
-
- DOI : 10.1088/1742-6596/718/6/062043
- ISSN : 1742-6588
- eISSN : 1742-6596
- ORCIDのPut Code : 28731012
- SCOPUS ID : 84981322891
- Web of Science ID : WOS:000391490200184