Observation of a shape resonance of the positronium negative ion

The Positronium negative ion is formed by two electrons bound to a positron, and experimental investigations of its states and energy levels are difficult due to its short lifetime. Here, the authors report on laser spectroscopy of positronium using a source of efficiently produced ions.

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Autores principales:	Koji Michishio, Tsuneto Kanai, Susumu Kuma, Toshiyuki Azuma, Ken Wada, Izumi Mochizuki, Toshio Hyodo, Akira Yagishita, Yasuyuki Nagashima
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2016
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/a86ad6e0faf2427e8d09e1559f179995
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spelling	oai:doaj.org-article:a86ad6e0faf2427e8d09e1559f1799952021-12-02T15:35:46ZObservation of a shape resonance of the positronium negative ion10.1038/ncomms110602041-1723https://doaj.org/article/a86ad6e0faf2427e8d09e1559f1799952016-03-01T00:00:00Zhttps://doi.org/10.1038/ncomms11060https://doaj.org/toc/2041-1723The Positronium negative ion is formed by two electrons bound to a positron, and experimental investigations of its states and energy levels are difficult due to its short lifetime. Here, the authors report on laser spectroscopy of positronium using a source of efficiently produced ions.Koji MichishioTsuneto KanaiSusumu KumaToshiyuki AzumaKen WadaIzumi MochizukiToshio HyodoAkira YagishitaYasuyuki NagashimaNature PortfolioarticleScienceQENNature Communications, Vol 7, Iss 1, Pp 1-5 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Koji Michishio Tsuneto Kanai Susumu Kuma Toshiyuki Azuma Ken Wada Izumi Mochizuki Toshio Hyodo Akira Yagishita Yasuyuki Nagashima Observation of a shape resonance of the positronium negative ion
description	The Positronium negative ion is formed by two electrons bound to a positron, and experimental investigations of its states and energy levels are difficult due to its short lifetime. Here, the authors report on laser spectroscopy of positronium using a source of efficiently produced ions.
format	article
author	Koji Michishio Tsuneto Kanai Susumu Kuma Toshiyuki Azuma Ken Wada Izumi Mochizuki Toshio Hyodo Akira Yagishita Yasuyuki Nagashima
author_facet	Koji Michishio Tsuneto Kanai Susumu Kuma Toshiyuki Azuma Ken Wada Izumi Mochizuki Toshio Hyodo Akira Yagishita Yasuyuki Nagashima
author_sort	Koji Michishio
title	Observation of a shape resonance of the positronium negative ion
title_short	Observation of a shape resonance of the positronium negative ion
title_full	Observation of a shape resonance of the positronium negative ion
title_fullStr	Observation of a shape resonance of the positronium negative ion
title_full_unstemmed	Observation of a shape resonance of the positronium negative ion
title_sort	observation of a shape resonance of the positronium negative ion
publisher	Nature Portfolio
publishDate	2016
url	https://doaj.org/article/a86ad6e0faf2427e8d09e1559f179995
work_keys_str_mv	AT kojimichishio observationofashaperesonanceofthepositroniumnegativeion AT tsunetokanai observationofashaperesonanceofthepositroniumnegativeion AT susumukuma observationofashaperesonanceofthepositroniumnegativeion AT toshiyukiazuma observationofashaperesonanceofthepositroniumnegativeion AT kenwada observationofashaperesonanceofthepositroniumnegativeion AT izumimochizuki observationofashaperesonanceofthepositroniumnegativeion AT toshiohyodo observationofashaperesonanceofthepositroniumnegativeion AT akirayagishita observationofashaperesonanceofthepositroniumnegativeion AT yasuyukinagashima observationofashaperesonanceofthepositroniumnegativeion
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Observation of a shape resonance of the positronium negative ion

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