Producing long-lived $2{\phantom{\rule{0.16em}{0ex}}}^{3}S$ positronium via $3{\phantom{\rule{0.16em}{0ex}}}^{3}P$ laser excitation in magnetic and electric fields

Producing positronium (Ps) in the metastable 23S state is of interest for various applications in fundamental physics. We report here on an experiment in which Ps atoms are produced in this long-lived state by spontaneous radiative decay of Ps excited to the 33P level manifold. The Ps cloud excitati...

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Detalles Bibliográficos
Autores principales: Aghion, S., Amsler, C., Antonello, M., Belov, A., Bonomi, G., Brusa, R.S., Caccia, M., Camper, A., Caravita, R., Castelli, F., Cerchiari, G., Comparat, D., Consolati, G., Demetrio, A., Di Noto, L., Doser, M., Evans, C., Fanì, M., Ferragut, R., Fesel, J., Fontana, A., Gerber, S., Giammarchi, M., Gligorova, A., Guatieri, F., Hackstock, P., Haider, S., Hinterberger, A., Holmestad, H., Kellerbauer, A., Khalidova, O., Krasnický, D., Lagomarsino, V., Lansonneur, P., Lebrun, P., Malbrunot, C., Mariazzi, S., Marton, J., Matveev, V., Mazzotta, Z., Müller, S.R., Nebbia, G., Nedelec, P., Oberthaler, M., Pagano, D., Penasa, L., Petracek, V., Prelz, F., Prevedelli, M., Rienaecker, B., Robert, J., Røhne, O.M., Rotondi, A., Sandaker, H., Santoro, R., Smestad, L., Sorrentino, F., Testera, G., Tietje, I.C., Vujanovic, M., Widmann, E., Yzombard, P., Zimmer, C., Zmeskal, J., Zurlo, N.
Lenguaje:eng
Publicado: 2018
Materias:
Physics in General
Acceso en línea:https://dx.doi.org/10.1103/PhysRevA.98.013402
http://cds.cern.ch/record/2657133
_version_ 1780961244826566656
author Aghion, S.
Amsler, C.
Antonello, M.
Belov, A.
Bonomi, G.
Brusa, R.S.
Caccia, M.
Camper, A.
Caravita, R.
Castelli, F.
Cerchiari, G.
Comparat, D.
Consolati, G.
Demetrio, A.
Di Noto, L.
Doser, M.
Evans, C.
Fanì, M.
Ferragut, R.
Fesel, J.
Fontana, A.
Gerber, S.
Giammarchi, M.
Gligorova, A.
Guatieri, F.
Hackstock, P.
Haider, S.
Hinterberger, A.
Holmestad, H.
Kellerbauer, A.
Khalidova, O.
Krasnický, D.
Lagomarsino, V.
Lansonneur, P.
Lebrun, P.
Malbrunot, C.
Mariazzi, S.
Marton, J.
Matveev, V.
Mazzotta, Z.
Müller, S.R.
Nebbia, G.
Nedelec, P.
Oberthaler, M.
Pagano, D.
Penasa, L.
Petracek, V.
Prelz, F.
Prevedelli, M.
Rienaecker, B.
Robert, J.
Røhne, O.M.
Rotondi, A.
Sandaker, H.
Santoro, R.
Smestad, L.
Sorrentino, F.
Testera, G.
Tietje, I.C.
Vujanovic, M.
Widmann, E.
Yzombard, P.
Zimmer, C.
Zmeskal, J.
Zurlo, N.
author_facet Aghion, S.
Amsler, C.
Antonello, M.
Belov, A.
Bonomi, G.
Brusa, R.S.
Caccia, M.
Camper, A.
Caravita, R.
Castelli, F.
Cerchiari, G.
Comparat, D.
Consolati, G.
Demetrio, A.
Di Noto, L.
Doser, M.
Evans, C.
Fanì, M.
Ferragut, R.
Fesel, J.
Fontana, A.
Gerber, S.
Giammarchi, M.
Gligorova, A.
Guatieri, F.
Hackstock, P.
Haider, S.
Hinterberger, A.
Holmestad, H.
Kellerbauer, A.
Khalidova, O.
Krasnický, D.
Lagomarsino, V.
Lansonneur, P.
Lebrun, P.
Malbrunot, C.
Mariazzi, S.
Marton, J.
Matveev, V.
Mazzotta, Z.
Müller, S.R.
Nebbia, G.
Nedelec, P.
Oberthaler, M.
Pagano, D.
Penasa, L.
Petracek, V.
Prelz, F.
Prevedelli, M.
Rienaecker, B.
Robert, J.
Røhne, O.M.
Rotondi, A.
Sandaker, H.
Santoro, R.
Smestad, L.
Sorrentino, F.
Testera, G.
Tietje, I.C.
Vujanovic, M.
Widmann, E.
Yzombard, P.
Zimmer, C.
Zmeskal, J.
Zurlo, N.
author_sort Aghion, S.
collection CERN
description Producing positronium (Ps) in the metastable 23S state is of interest for various applications in fundamental physics. We report here on an experiment in which Ps atoms are produced in this long-lived state by spontaneous radiative decay of Ps excited to the 33P level manifold. The Ps cloud excitation is obtained with a UV laser pulse in an experimental vacuum chamber in presence of guiding magnetic field of 25mT and an average electric field of 300Vcm−1. The evidence of the 23S state production is obtained to the 3.6σ level of statistical significance using a novel analysis technique of the single-shot positronium annihilation lifetime spectra. The dynamic of the Ps population on the involved levels has been studied with a rate equation model.
id oai-inspirehep.net-1680963
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2018
record_format invenio
spelling oai-inspirehep.net-16809632023-06-04T05:39:33Zdoi:10.1103/PhysRevA.98.013402http://cds.cern.ch/record/2657133engAghion, S.Amsler, C.Antonello, M.Belov, A.Bonomi, G.Brusa, R.S.Caccia, M.Camper, A.Caravita, R.Castelli, F.Cerchiari, G.Comparat, D.Consolati, G.Demetrio, A.Di Noto, L.Doser, M.Evans, C.Fanì, M.Ferragut, R.Fesel, J.Fontana, A.Gerber, S.Giammarchi, M.Gligorova, A.Guatieri, F.Hackstock, P.Haider, S.Hinterberger, A.Holmestad, H.Kellerbauer, A.Khalidova, O.Krasnický, D.Lagomarsino, V.Lansonneur, P.Lebrun, P.Malbrunot, C.Mariazzi, S.Marton, J.Matveev, V.Mazzotta, Z.Müller, S.R.Nebbia, G.Nedelec, P.Oberthaler, M.Pagano, D.Penasa, L.Petracek, V.Prelz, F.Prevedelli, M.Rienaecker, B.Robert, J.Røhne, O.M.Rotondi, A.Sandaker, H.Santoro, R.Smestad, L.Sorrentino, F.Testera, G.Tietje, I.C.Vujanovic, M.Widmann, E.Yzombard, P.Zimmer, C.Zmeskal, J.Zurlo, N.Producing long-lived $2{\phantom{\rule{0.16em}{0ex}}}^{3}S$ positronium via $3{\phantom{\rule{0.16em}{0ex}}}^{3}P$ laser excitation in magnetic and electric fieldsPhysics in GeneralProducing positronium (Ps) in the metastable 23S state is of interest for various applications in fundamental physics. We report here on an experiment in which Ps atoms are produced in this long-lived state by spontaneous radiative decay of Ps excited to the 33P level manifold. The Ps cloud excitation is obtained with a UV laser pulse in an experimental vacuum chamber in presence of guiding magnetic field of 25mT and an average electric field of 300Vcm−1. The evidence of the 23S state production is obtained to the 3.6σ level of statistical significance using a novel analysis technique of the single-shot positronium annihilation lifetime spectra. The dynamic of the Ps population on the involved levels has been studied with a rate equation model.Producing positronium (Ps) in the metastable $2^3\text{S}$ state is of interest for various applications in fundamental physics. We report here about an experiment in which Ps atoms are produced in this long-lived state by spontaneous radiative decay of Ps excited to the $3^3\text{P}$ level manifold. The Ps cloud excitation is obtained with a UV laser pulse in an experimental vacuum chamber in presence of guiding magnetic field of 25 mT and an average electric field of 300 V/cm. The indication of the $2^3\text{S}$ state production is obtained from a novel analysis technique of single-shot positronium annihilation lifetime spectra. Its production efficiency relative to the total amount of formed Ps is evaluated by fitting a simple rate equations model to the experimental data and found to be $ (2.1 \pm 1.3) \, \% $.arXiv:1802.07012oai:inspirehep.net:16809632018-02-20
spellingShingle Physics in General
Aghion, S.
Amsler, C.
Antonello, M.
Belov, A.
Bonomi, G.
Brusa, R.S.
Caccia, M.
Camper, A.
Caravita, R.
Castelli, F.
Cerchiari, G.
Comparat, D.
Consolati, G.
Demetrio, A.
Di Noto, L.
Doser, M.
Evans, C.
Fanì, M.
Ferragut, R.
Fesel, J.
Fontana, A.
Gerber, S.
Giammarchi, M.
Gligorova, A.
Guatieri, F.
Hackstock, P.
Haider, S.
Hinterberger, A.
Holmestad, H.
Kellerbauer, A.
Khalidova, O.
Krasnický, D.
Lagomarsino, V.
Lansonneur, P.
Lebrun, P.
Malbrunot, C.
Mariazzi, S.
Marton, J.
Matveev, V.
Mazzotta, Z.
Müller, S.R.
Nebbia, G.
Nedelec, P.
Oberthaler, M.
Pagano, D.
Penasa, L.
Petracek, V.
Prelz, F.
Prevedelli, M.
Rienaecker, B.
Robert, J.
Røhne, O.M.
Rotondi, A.
Sandaker, H.
Santoro, R.
Smestad, L.
Sorrentino, F.
Testera, G.
Tietje, I.C.
Vujanovic, M.
Widmann, E.
Yzombard, P.
Zimmer, C.
Zmeskal, J.
Zurlo, N.
Producing long-lived $2{\phantom{\rule{0.16em}{0ex}}}^{3}S$ positronium via $3{\phantom{\rule{0.16em}{0ex}}}^{3}P$ laser excitation in magnetic and electric fields
title Producing long-lived $2{\phantom{\rule{0.16em}{0ex}}}^{3}S$ positronium via $3{\phantom{\rule{0.16em}{0ex}}}^{3}P$ laser excitation in magnetic and electric fields
title_full Producing long-lived $2{\phantom{\rule{0.16em}{0ex}}}^{3}S$ positronium via $3{\phantom{\rule{0.16em}{0ex}}}^{3}P$ laser excitation in magnetic and electric fields
title_fullStr Producing long-lived $2{\phantom{\rule{0.16em}{0ex}}}^{3}S$ positronium via $3{\phantom{\rule{0.16em}{0ex}}}^{3}P$ laser excitation in magnetic and electric fields
title_full_unstemmed Producing long-lived $2{\phantom{\rule{0.16em}{0ex}}}^{3}S$ positronium via $3{\phantom{\rule{0.16em}{0ex}}}^{3}P$ laser excitation in magnetic and electric fields
title_short Producing long-lived $2{\phantom{\rule{0.16em}{0ex}}}^{3}S$ positronium via $3{\phantom{\rule{0.16em}{0ex}}}^{3}P$ laser excitation in magnetic and electric fields
title_sort producing long-lived $2{\phantom{\rule{0.16em}{0ex}}}^{3}s$ positronium via $3{\phantom{\rule{0.16em}{0ex}}}^{3}p$ laser excitation in magnetic and electric fields
topic Physics in General
url https://dx.doi.org/10.1103/PhysRevA.98.013402
http://cds.cern.ch/record/2657133
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