Strong effects of initial orbital alignment observed for electron capture in keV H sup + -Na(3 p ) collisions
Electron capture in keV collisions of protons with sodium atoms in the excited Na(3{ital p}) state is studied. The initial orbital alignment of the valence electron is controlled by the polarization of the exciting light. Capture into H({ital n}) levels is measured for light polarization parallel an...
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| Veröffentlicht in: | Physical review letters 1990-04, Vol.64:15 |
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| container_title | Physical review letters |
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| creator | Dowek, D. Houver, J.C. Pommier, J. Richter, C. Royer, T. Andersen, N. Palsdottir, B. |
| description | Electron capture in keV collisions of protons with sodium atoms in the excited Na(3{ital p}) state is studied. The initial orbital alignment of the valence electron is controlled by the polarization of the exciting light. Capture into H({ital n}) levels is measured for light polarization parallel and perpendicular to the proton beam direction. For {ital n}=2 the capture cross section is about 35% larger for an orbital aligned parallel than for one perpendicular to the beam direction, at all energies. However, for {ital n}{ge}3 the alignment effect varies dramatically with energy, supporting recent theoretical results. |
| doi_str_mv | 10.1103/PhysRevLett.64.1713 |
| format | Article |
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The initial orbital alignment of the valence electron is controlled by the polarization of the exciting light. Capture into H({ital n}) levels is measured for light polarization parallel and perpendicular to the proton beam direction. For {ital n}=2 the capture cross section is about 35% larger for an orbital aligned parallel than for one perpendicular to the beam direction, at all energies. However, for {ital n}{ge}3 the alignment effect varies dramatically with energy, supporting recent theoretical results.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.64.1713</identifier><language>eng</language><publisher>United States</publisher><subject>ALIGNMENT ; ALKALI METALS ; ATOM COLLISIONS ; ATOMIC AND MOLECULAR PHYSICS ; BARYONS ; BEAMS ; CAPTURE ; COLLISIONS ; CORRELATIONS ; CROSS SECTIONS ; DATA ; ELECTRON CAPTURE ; ELEMENTARY PARTICLES ; ELEMENTS ; ENERGY LEVELS ; ENERGY RANGE ; EXCITED STATES ; EXPERIMENTAL DATA ; FERMIONS ; HADRONS ; HYDROGEN ; INFORMATION ; ION COLLISIONS ; ION-ATOM COLLISIONS ; KEV RANGE ; KEV RANGE 01-10 ; METALS ; NONMETALS ; NUCLEON BEAMS ; NUCLEONS ; NUMERICAL DATA ; PARTICLE BEAMS 640304 -- Atomic, Molecular & Chemical Physics-- Collision Phenomena ; POLARIZATION ; PROTON BEAMS ; PROTONS ; SODIUM</subject><ispartof>Physical review letters, 1990-04, Vol.64:15</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/6829749$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Dowek, D.</creatorcontrib><creatorcontrib>Houver, J.C.</creatorcontrib><creatorcontrib>Pommier, J.</creatorcontrib><creatorcontrib>Richter, C.</creatorcontrib><creatorcontrib>Royer, T.</creatorcontrib><creatorcontrib>Andersen, N.</creatorcontrib><creatorcontrib>Palsdottir, B.</creatorcontrib><title>Strong effects of initial orbital alignment observed for electron capture in keV H sup + -Na(3 p ) collisions</title><title>Physical review letters</title><description>Electron capture in keV collisions of protons with sodium atoms in the excited Na(3{ital p}) state is studied. The initial orbital alignment of the valence electron is controlled by the polarization of the exciting light. Capture into H({ital n}) levels is measured for light polarization parallel and perpendicular to the proton beam direction. For {ital n}=2 the capture cross section is about 35% larger for an orbital aligned parallel than for one perpendicular to the beam direction, at all energies. However, for {ital n}{ge}3 the alignment effect varies dramatically with energy, supporting recent theoretical results.</description><subject>ALIGNMENT</subject><subject>ALKALI METALS</subject><subject>ATOM COLLISIONS</subject><subject>ATOMIC AND MOLECULAR PHYSICS</subject><subject>BARYONS</subject><subject>BEAMS</subject><subject>CAPTURE</subject><subject>COLLISIONS</subject><subject>CORRELATIONS</subject><subject>CROSS SECTIONS</subject><subject>DATA</subject><subject>ELECTRON CAPTURE</subject><subject>ELEMENTARY PARTICLES</subject><subject>ELEMENTS</subject><subject>ENERGY LEVELS</subject><subject>ENERGY RANGE</subject><subject>EXCITED STATES</subject><subject>EXPERIMENTAL DATA</subject><subject>FERMIONS</subject><subject>HADRONS</subject><subject>HYDROGEN</subject><subject>INFORMATION</subject><subject>ION COLLISIONS</subject><subject>ION-ATOM COLLISIONS</subject><subject>KEV RANGE</subject><subject>KEV RANGE 01-10</subject><subject>METALS</subject><subject>NONMETALS</subject><subject>NUCLEON BEAMS</subject><subject>NUCLEONS</subject><subject>NUMERICAL DATA</subject><subject>PARTICLE BEAMS 640304 -- Atomic, Molecular & Chemical Physics-- Collision Phenomena</subject><subject>POLARIZATION</subject><subject>PROTON BEAMS</subject><subject>PROTONS</subject><subject>SODIUM</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNqNzM1KAzEUhuEgCo4_V-Dm4EqRGXOaYdJZi9KFiKi4LWk8aaNpMuSkBe_eLHoBrt7N93xCXKHsEKW6f9388hvtn6mUbug71KiORINSj61G7I9FI6XCdpRSn4oz5m8pJc6GeSO27yWnuAZyjmxhSA589MWbACmvfKk1wa_jlmKBtGLKe_oClzJQqKBasGYqu0zVwQ99wgJ4N8EdtC_mRsEEt2BTCJ59inwhTpwJTJeHnovrp8ePh0WbuPglW1_IbmyKsV4vh_ls1P2o_jX6A2J6UP0</recordid><startdate>19900409</startdate><enddate>19900409</enddate><creator>Dowek, D.</creator><creator>Houver, J.C.</creator><creator>Pommier, J.</creator><creator>Richter, C.</creator><creator>Royer, T.</creator><creator>Andersen, N.</creator><creator>Palsdottir, B.</creator><scope>OTOTI</scope></search><sort><creationdate>19900409</creationdate><title>Strong effects of initial orbital alignment observed for electron capture in keV H sup + -Na(3 p ) collisions</title><author>Dowek, D. ; Houver, J.C. ; Pommier, J. ; Richter, C. ; Royer, T. ; Andersen, N. ; Palsdottir, B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-osti_scitechconnect_68297493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>ALIGNMENT</topic><topic>ALKALI METALS</topic><topic>ATOM COLLISIONS</topic><topic>ATOMIC AND MOLECULAR PHYSICS</topic><topic>BARYONS</topic><topic>BEAMS</topic><topic>CAPTURE</topic><topic>COLLISIONS</topic><topic>CORRELATIONS</topic><topic>CROSS SECTIONS</topic><topic>DATA</topic><topic>ELECTRON CAPTURE</topic><topic>ELEMENTARY PARTICLES</topic><topic>ELEMENTS</topic><topic>ENERGY LEVELS</topic><topic>ENERGY RANGE</topic><topic>EXCITED STATES</topic><topic>EXPERIMENTAL DATA</topic><topic>FERMIONS</topic><topic>HADRONS</topic><topic>HYDROGEN</topic><topic>INFORMATION</topic><topic>ION COLLISIONS</topic><topic>ION-ATOM COLLISIONS</topic><topic>KEV RANGE</topic><topic>KEV RANGE 01-10</topic><topic>METALS</topic><topic>NONMETALS</topic><topic>NUCLEON BEAMS</topic><topic>NUCLEONS</topic><topic>NUMERICAL DATA</topic><topic>PARTICLE BEAMS 640304 -- Atomic, Molecular & Chemical Physics-- Collision Phenomena</topic><topic>POLARIZATION</topic><topic>PROTON BEAMS</topic><topic>PROTONS</topic><topic>SODIUM</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dowek, D.</creatorcontrib><creatorcontrib>Houver, J.C.</creatorcontrib><creatorcontrib>Pommier, J.</creatorcontrib><creatorcontrib>Richter, C.</creatorcontrib><creatorcontrib>Royer, T.</creatorcontrib><creatorcontrib>Andersen, N.</creatorcontrib><creatorcontrib>Palsdottir, B.</creatorcontrib><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dowek, D.</au><au>Houver, J.C.</au><au>Pommier, J.</au><au>Richter, C.</au><au>Royer, T.</au><au>Andersen, N.</au><au>Palsdottir, B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strong effects of initial orbital alignment observed for electron capture in keV H sup + -Na(3 p ) collisions</atitle><jtitle>Physical review letters</jtitle><date>1990-04-09</date><risdate>1990</risdate><volume>64:15</volume><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>Electron capture in keV collisions of protons with sodium atoms in the excited Na(3{ital p}) state is studied. The initial orbital alignment of the valence electron is controlled by the polarization of the exciting light. Capture into H({ital n}) levels is measured for light polarization parallel and perpendicular to the proton beam direction. For {ital n}=2 the capture cross section is about 35% larger for an orbital aligned parallel than for one perpendicular to the beam direction, at all energies. However, for {ital n}{ge}3 the alignment effect varies dramatically with energy, supporting recent theoretical results.</abstract><cop>United States</cop><doi>10.1103/PhysRevLett.64.1713</doi></addata></record> |
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| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 1990-04, Vol.64:15 |
| issn | 0031-9007 1079-7114 |
| language | eng |
| recordid | cdi_osti_scitechconnect_6829749 |
| source | American Physical Society Journals |
| subjects | ALIGNMENT ALKALI METALS ATOM COLLISIONS ATOMIC AND MOLECULAR PHYSICS BARYONS BEAMS CAPTURE COLLISIONS CORRELATIONS CROSS SECTIONS DATA ELECTRON CAPTURE ELEMENTARY PARTICLES ELEMENTS ENERGY LEVELS ENERGY RANGE EXCITED STATES EXPERIMENTAL DATA FERMIONS HADRONS HYDROGEN INFORMATION ION COLLISIONS ION-ATOM COLLISIONS KEV RANGE KEV RANGE 01-10 METALS NONMETALS NUCLEON BEAMS NUCLEONS NUMERICAL DATA PARTICLE BEAMS 640304 -- Atomic, Molecular & Chemical Physics-- Collision Phenomena POLARIZATION PROTON BEAMS PROTONS SODIUM |
| title | Strong effects of initial orbital alignment observed for electron capture in keV H sup + -Na(3 p ) collisions |
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