Partial photoionization cross sections and angular distributions for double excitation of helium up to the N = 13 threshold
Partial photoionization cross sections sigmaN(Egamma) and photoelectron angular distributions betaN(Egamma) were measured for the final ionic states He+ (N > 4) in the region between the N = 8 and N = 13 thresholds (Egamma > 78.155 eV) using the cold target recoil ion momentum spectroscopy tec...
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| Veröffentlicht in: | Physical review letters 2005-12, Vol.95 (24), p.243003.1-243003.4, Article 243003 |
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| creator | CZASCH, A SCHÖFFLER, M WECKENBROCK, M VOSS, S GRISENTI, R. E JAGUTZKI, O SCHMIDT, L. Ph. H SCHMIDT-BÖCKING, H DÖRNER, R ROST, J. M SCHNEIDER, T LIU, Chien-Nan HATTASS, M BRAY, I KHEIFETS, A. S BARTSCHAT, K SCHÖSSLER, S JAHNKE, T WEBER, Th STAUDTE, A TITZE, J WIMMER, C KAMMER, S |
| description | Partial photoionization cross sections sigmaN(Egamma) and photoelectron angular distributions betaN(Egamma) were measured for the final ionic states He+ (N > 4) in the region between the N = 8 and N = 13 thresholds (Egamma > 78.155 eV) using the cold target recoil ion momentum spectroscopy technique (COLTRIMS). Comparison of the experimental data with two independent sets of theoretical predictions reveals disagreement for the branching ratios to the various HeN(+) states. The angular distributions just below the double ionization threshold suggest an excitation process for highly excited N states similar to the Wannier mechanism for double ionization. |
| doi_str_mv | 10.1103/PhysRevLett.95.243003 |
| format | Article |
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E ; JAGUTZKI, O ; SCHMIDT, L. Ph. H ; SCHMIDT-BÖCKING, H ; DÖRNER, R ; ROST, J. M ; SCHNEIDER, T ; LIU, Chien-Nan ; HATTASS, M ; BRAY, I ; KHEIFETS, A. S ; BARTSCHAT, K ; SCHÖSSLER, S ; JAHNKE, T ; WEBER, Th ; STAUDTE, A ; TITZE, J ; WIMMER, C ; KAMMER, S</creator><creatorcontrib>CZASCH, A ; SCHÖFFLER, M ; WECKENBROCK, M ; VOSS, S ; GRISENTI, R. E ; JAGUTZKI, O ; SCHMIDT, L. Ph. H ; SCHMIDT-BÖCKING, H ; DÖRNER, R ; ROST, J. M ; SCHNEIDER, T ; LIU, Chien-Nan ; HATTASS, M ; BRAY, I ; KHEIFETS, A. S ; BARTSCHAT, K ; SCHÖSSLER, S ; JAHNKE, T ; WEBER, Th ; STAUDTE, A ; TITZE, J ; WIMMER, C ; KAMMER, S</creatorcontrib><description>Partial photoionization cross sections sigmaN(Egamma) and photoelectron angular distributions betaN(Egamma) were measured for the final ionic states He+ (N > 4) in the region between the N = 8 and N = 13 thresholds (Egamma > 78.155 eV) using the cold target recoil ion momentum spectroscopy technique (COLTRIMS). Comparison of the experimental data with two independent sets of theoretical predictions reveals disagreement for the branching ratios to the various HeN(+) states. The angular distributions just below the double ionization threshold suggest an excitation process for highly excited N states similar to the Wannier mechanism for double ionization.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.95.243003</identifier><identifier>PMID: 16384373</identifier><identifier>CODEN: PRLTAO</identifier><language>eng</language><publisher>Ridge, NY: American Physical Society</publisher><subject>ANGULAR DISTRIBUTION ; ATOMIC AND MOLECULAR PHYSICS ; Atomic properties and interactions with photons ; Autoionization ; BRANCHING RATIO ; CATIONS ; COMPARATIVE EVALUATIONS ; CROSS SECTIONS ; EV RANGE 10-100 ; Exact sciences and technology ; EXCITATION ; EXCITED STATES ; EXPERIMENTAL DATA ; HELIUM ; HELIUM IONS ; PHOTOELECTRON SPECTROSCOPY ; PHOTOIONIZATION ; Photoionization of atoms and ions ; Photon interactions with atoms ; PHOTON-ATOM COLLISIONS ; Physics ; RECOILS</subject><ispartof>Physical review letters, 2005-12, Vol.95 (24), p.243003.1-243003.4, Article 243003</ispartof><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-4bb52ffe86728fb3f33194e8ff86ee29d2f25a970ff2bee6408d35c7aeabd8c43</citedby><cites>FETCH-LOGICAL-c365t-4bb52ffe86728fb3f33194e8ff86ee29d2f25a970ff2bee6408d35c7aeabd8c43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,2863,2864,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17353038$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16384373$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/20699671$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>CZASCH, A</creatorcontrib><creatorcontrib>SCHÖFFLER, M</creatorcontrib><creatorcontrib>WECKENBROCK, M</creatorcontrib><creatorcontrib>VOSS, S</creatorcontrib><creatorcontrib>GRISENTI, R. E</creatorcontrib><creatorcontrib>JAGUTZKI, O</creatorcontrib><creatorcontrib>SCHMIDT, L. Ph. H</creatorcontrib><creatorcontrib>SCHMIDT-BÖCKING, H</creatorcontrib><creatorcontrib>DÖRNER, R</creatorcontrib><creatorcontrib>ROST, J. M</creatorcontrib><creatorcontrib>SCHNEIDER, T</creatorcontrib><creatorcontrib>LIU, Chien-Nan</creatorcontrib><creatorcontrib>HATTASS, M</creatorcontrib><creatorcontrib>BRAY, I</creatorcontrib><creatorcontrib>KHEIFETS, A. S</creatorcontrib><creatorcontrib>BARTSCHAT, K</creatorcontrib><creatorcontrib>SCHÖSSLER, S</creatorcontrib><creatorcontrib>JAHNKE, T</creatorcontrib><creatorcontrib>WEBER, Th</creatorcontrib><creatorcontrib>STAUDTE, A</creatorcontrib><creatorcontrib>TITZE, J</creatorcontrib><creatorcontrib>WIMMER, C</creatorcontrib><creatorcontrib>KAMMER, S</creatorcontrib><title>Partial photoionization cross sections and angular distributions for double excitation of helium up to the N = 13 threshold</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>Partial photoionization cross sections sigmaN(Egamma) and photoelectron angular distributions betaN(Egamma) were measured for the final ionic states He+ (N > 4) in the region between the N = 8 and N = 13 thresholds (Egamma > 78.155 eV) using the cold target recoil ion momentum spectroscopy technique (COLTRIMS). Comparison of the experimental data with two independent sets of theoretical predictions reveals disagreement for the branching ratios to the various HeN(+) states. The angular distributions just below the double ionization threshold suggest an excitation process for highly excited N states similar to the Wannier mechanism for double ionization.</description><subject>ANGULAR DISTRIBUTION</subject><subject>ATOMIC AND MOLECULAR PHYSICS</subject><subject>Atomic properties and interactions with photons</subject><subject>Autoionization</subject><subject>BRANCHING RATIO</subject><subject>CATIONS</subject><subject>COMPARATIVE EVALUATIONS</subject><subject>CROSS SECTIONS</subject><subject>EV RANGE 10-100</subject><subject>Exact sciences and technology</subject><subject>EXCITATION</subject><subject>EXCITED STATES</subject><subject>EXPERIMENTAL DATA</subject><subject>HELIUM</subject><subject>HELIUM IONS</subject><subject>PHOTOELECTRON SPECTROSCOPY</subject><subject>PHOTOIONIZATION</subject><subject>Photoionization of atoms and ions</subject><subject>Photon interactions with atoms</subject><subject>PHOTON-ATOM COLLISIONS</subject><subject>Physics</subject><subject>RECOILS</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNpNkV1vFSEQhonR2NPqT9CQGHu3Rz4WWC68aBq_khPbGL0mLDu4mD3LEVjT1j8vdU_SXpCB4XmHGV6EXlGypZTwd9fjbf4Gf3ZQylaLLWs5IfwJ2lCidKMobZ-iTc3QRhOiTtBpzr8IIZTJ7jk6oZJ3LVd8g_5e21SCnfBhjCWGOIc7W2rALsWccQZ3f8rYzkNdP5fJJjyEXFLol_XGx5qJSz8BhhsXyiqPHo8whWWPlwMuEZcR8Ff8HlNetwnyGKfhBXrm7ZTh5TGeoR8fP3y__Nzsrj59ubzYNY5LUZq27wXzHjqpWOd77jmnuoXO-04CMD0wz4TVinjPegDZkm7gwikLth861_Iz9GatG3MJJtcewY0uznMdzjAitZaKVup8pQ4p_l4gF7MP2cE02Rniko3UREitRAXFCv7_ogTeHFLY23RrKDH33phH3hgtzOpN1b0-PrD0exgeVEczKvD2CNjs7OSTnV3ID5zighPe8X9wkpzd</recordid><startdate>20051209</startdate><enddate>20051209</enddate><creator>CZASCH, A</creator><creator>SCHÖFFLER, M</creator><creator>WECKENBROCK, M</creator><creator>VOSS, S</creator><creator>GRISENTI, R. 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M</au><au>SCHNEIDER, T</au><au>LIU, Chien-Nan</au><au>HATTASS, M</au><au>BRAY, I</au><au>KHEIFETS, A. S</au><au>BARTSCHAT, K</au><au>SCHÖSSLER, S</au><au>JAHNKE, T</au><au>WEBER, Th</au><au>STAUDTE, A</au><au>TITZE, J</au><au>WIMMER, C</au><au>KAMMER, S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Partial photoionization cross sections and angular distributions for double excitation of helium up to the N = 13 threshold</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2005-12-09</date><risdate>2005</risdate><volume>95</volume><issue>24</issue><spage>243003.1</spage><epage>243003.4</epage><pages>243003.1-243003.4</pages><artnum>243003</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><coden>PRLTAO</coden><abstract>Partial photoionization cross sections sigmaN(Egamma) and photoelectron angular distributions betaN(Egamma) were measured for the final ionic states He+ (N > 4) in the region between the N = 8 and N = 13 thresholds (Egamma > 78.155 eV) using the cold target recoil ion momentum spectroscopy technique (COLTRIMS). Comparison of the experimental data with two independent sets of theoretical predictions reveals disagreement for the branching ratios to the various HeN(+) states. The angular distributions just below the double ionization threshold suggest an excitation process for highly excited N states similar to the Wannier mechanism for double ionization.</abstract><cop>Ridge, NY</cop><pub>American Physical Society</pub><pmid>16384373</pmid><doi>10.1103/PhysRevLett.95.243003</doi><tpages>1</tpages></addata></record> |
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| ispartof | Physical review letters, 2005-12, Vol.95 (24), p.243003.1-243003.4, Article 243003 |
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| subjects | ANGULAR DISTRIBUTION ATOMIC AND MOLECULAR PHYSICS Atomic properties and interactions with photons Autoionization BRANCHING RATIO CATIONS COMPARATIVE EVALUATIONS CROSS SECTIONS EV RANGE 10-100 Exact sciences and technology EXCITATION EXCITED STATES EXPERIMENTAL DATA HELIUM HELIUM IONS PHOTOELECTRON SPECTROSCOPY PHOTOIONIZATION Photoionization of atoms and ions Photon interactions with atoms PHOTON-ATOM COLLISIONS Physics RECOILS |
| title | Partial photoionization cross sections and angular distributions for double excitation of helium up to the N = 13 threshold |
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