An experimental investigation of light emission produced in the process of positronium formation in matter
The excess energy emitted during the positronium (Ps) formation in condensed matter may be released as light. Spectroscopic analysis of this light can be a new method of studying the electronic properties of materials. We report the first experimental attempt, according to our knowledge, to verify t...
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| Veröffentlicht in: | Physical chemistry chemical physics : PCCP 2021-05, Vol.23 (19), p.11264-11271 |
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| container_title | Physical chemistry chemical physics : PCCP |
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| creator | Pietrow, M Zaleski, R Wagner, A S omski, P Hirschmann, E Krause-Rehberg, R Liedke, M. O Butterling, M Weinberger, D |
| description | The excess energy emitted during the positronium (Ps) formation in condensed matter may be released as light. Spectroscopic analysis of this light can be a new method of studying the electronic properties of materials. We report the first experimental attempt, according to our knowledge, to verify the existence of this emission process. As a result, the possibility of the emission of photons during Ps formation is within the experimental uncertainty in two different solids: an
n
-alkane and porous silica. However, it seems that the Ps formation on the alkane surface is not accompanied by the emission of photons with energy in the detection range of 1.6-3.8 eV. Various processes that can influence the energy of the photon emitted during the Ps formation are discussed to elucidate this issue. To aid future experiments, equations were developed to estimate the expected ratio of light emission events to annihilation events with the presence or absence of a photon during the Ps formation.
The excess energy emitted as light, which may carry spectroscopic information during the positronium formation in condensed matter, is examined experimentally using alkanes and porous silica. |
| doi_str_mv | 10.1039/d1cp00755f |
| format | Article |
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n
-alkane and porous silica. However, it seems that the Ps formation on the alkane surface is not accompanied by the emission of photons with energy in the detection range of 1.6-3.8 eV. Various processes that can influence the energy of the photon emitted during the Ps formation are discussed to elucidate this issue. To aid future experiments, equations were developed to estimate the expected ratio of light emission events to annihilation events with the presence or absence of a photon during the Ps formation.
The excess energy emitted as light, which may carry spectroscopic information during the positronium formation in condensed matter, is examined experimentally using alkanes and porous silica.</description><identifier>ISSN: 1463-9076</identifier><identifier>EISSN: 1463-9084</identifier><identifier>DOI: 10.1039/d1cp00755f</identifier><identifier>PMID: 33950060</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Alkanes ; Condensed matter physics ; Emission analysis ; Light emission ; Material properties ; Photons ; Positronium ; Silicon dioxide</subject><ispartof>Physical chemistry chemical physics : PCCP, 2021-05, Vol.23 (19), p.11264-11271</ispartof><rights>Copyright Royal Society of Chemistry 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c374t-aef4a223ae70bcd931bb4b3ddb2bd53a8693b96773976c4ca8d9ff86296e9e793</citedby><cites>FETCH-LOGICAL-c374t-aef4a223ae70bcd931bb4b3ddb2bd53a8693b96773976c4ca8d9ff86296e9e793</cites><orcidid>0000-0001-6238-0705 ; 0000-0003-0496-1813 ; 0000-0003-3674-0767 ; 0000-0001-5782-9627 ; 0000-0002-7227-8189 ; 0000-0001-7575-3961 ; 0000-0001-7933-7295</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33950060$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pietrow, M</creatorcontrib><creatorcontrib>Zaleski, R</creatorcontrib><creatorcontrib>Wagner, A</creatorcontrib><creatorcontrib>S omski, P</creatorcontrib><creatorcontrib>Hirschmann, E</creatorcontrib><creatorcontrib>Krause-Rehberg, R</creatorcontrib><creatorcontrib>Liedke, M. O</creatorcontrib><creatorcontrib>Butterling, M</creatorcontrib><creatorcontrib>Weinberger, D</creatorcontrib><title>An experimental investigation of light emission produced in the process of positronium formation in matter</title><title>Physical chemistry chemical physics : PCCP</title><addtitle>Phys Chem Chem Phys</addtitle><description>The excess energy emitted during the positronium (Ps) formation in condensed matter may be released as light. Spectroscopic analysis of this light can be a new method of studying the electronic properties of materials. We report the first experimental attempt, according to our knowledge, to verify the existence of this emission process. As a result, the possibility of the emission of photons during Ps formation is within the experimental uncertainty in two different solids: an
n
-alkane and porous silica. However, it seems that the Ps formation on the alkane surface is not accompanied by the emission of photons with energy in the detection range of 1.6-3.8 eV. Various processes that can influence the energy of the photon emitted during the Ps formation are discussed to elucidate this issue. To aid future experiments, equations were developed to estimate the expected ratio of light emission events to annihilation events with the presence or absence of a photon during the Ps formation.
The excess energy emitted as light, which may carry spectroscopic information during the positronium formation in condensed matter, is examined experimentally using alkanes and porous silica.</description><subject>Alkanes</subject><subject>Condensed matter physics</subject><subject>Emission analysis</subject><subject>Light emission</subject><subject>Material properties</subject><subject>Photons</subject><subject>Positronium</subject><subject>Silicon dioxide</subject><issn>1463-9076</issn><issn>1463-9084</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpdkc1LxDAQxYMorq5evCsFLyJUk6ZfOS6rq8KCHvRc0mS6m6VtapKK_vemdl3B08wkPx5v5iF0RvANwZTdSiI6jLMkqfbQEYlTGjKcx_u7Pksn6NjaDcaYJIQeogmlLME4xUdoM2sD-OzAqAZax-tAtR9gnVpxp3Qb6Cqo1WrtAmiUtcNLZ7TsBUgPBm4NwyzA2oHstFXO6Fb1TVBp04wSnvOdA3OCDipeWzjd1il6W9y_zh_D5fPD03y2DAXNYhdyqGIeRZRDhkshGSVlGZdUyjIqZUJ5njJasjTLKMtSEQueS1ZVeRqxFBhkjE7R1ajrrb33fpnCexdQ17wF3dsiSrw6YyzJPXr5D93o3rTe3UDleUwjMghej5Qw2loDVdH5c3HzVRBcDAkUd2T-8pPAwsMXW8m-bEDu0N-Te-B8BIwVu9-_COk3kJGMZg</recordid><startdate>20210519</startdate><enddate>20210519</enddate><creator>Pietrow, M</creator><creator>Zaleski, R</creator><creator>Wagner, A</creator><creator>S omski, P</creator><creator>Hirschmann, E</creator><creator>Krause-Rehberg, R</creator><creator>Liedke, M. 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O</creatorcontrib><creatorcontrib>Butterling, M</creatorcontrib><creatorcontrib>Weinberger, D</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Physical chemistry chemical physics : PCCP</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pietrow, M</au><au>Zaleski, R</au><au>Wagner, A</au><au>S omski, P</au><au>Hirschmann, E</au><au>Krause-Rehberg, R</au><au>Liedke, M. 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As a result, the possibility of the emission of photons during Ps formation is within the experimental uncertainty in two different solids: an
n
-alkane and porous silica. However, it seems that the Ps formation on the alkane surface is not accompanied by the emission of photons with energy in the detection range of 1.6-3.8 eV. Various processes that can influence the energy of the photon emitted during the Ps formation are discussed to elucidate this issue. To aid future experiments, equations were developed to estimate the expected ratio of light emission events to annihilation events with the presence or absence of a photon during the Ps formation.
The excess energy emitted as light, which may carry spectroscopic information during the positronium formation in condensed matter, is examined experimentally using alkanes and porous silica.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>33950060</pmid><doi>10.1039/d1cp00755f</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0001-6238-0705</orcidid><orcidid>https://orcid.org/0000-0003-0496-1813</orcidid><orcidid>https://orcid.org/0000-0003-3674-0767</orcidid><orcidid>https://orcid.org/0000-0001-5782-9627</orcidid><orcidid>https://orcid.org/0000-0002-7227-8189</orcidid><orcidid>https://orcid.org/0000-0001-7575-3961</orcidid><orcidid>https://orcid.org/0000-0001-7933-7295</orcidid></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Alkanes Condensed matter physics Emission analysis Light emission Material properties Photons Positronium Silicon dioxide |
| title | An experimental investigation of light emission produced in the process of positronium formation in matter |
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