State-to-State Inelastic Scattering of O2 with Helium.
Identifieur interne : 000013 ( PubMed/Checkpoint ); précédent : 000012; suivant : 000014State-to-State Inelastic Scattering of O2 with Helium.
Auteurs : Chandan Kumar Bishwakarma [Pays-Bas] ; George Van Oevelen [Pays-Bas] ; Roy Scheidsbach [Pays-Bas] ; David H. Parker [Pays-Bas] ; Yulia Kalugina [Russie] ; François Lique [France]Source :
- The journal of physical chemistry. A [ 1520-5215 ] ; 2016.
Abstract
Molecular oxygen (O2) is extremely important for a wide variety of processes on and outside Earth. Indeed, O2–He collisions are crucial to model O2 abundance in space or to create ultracold O2 molecules. A crossed molecular beam experiment to probe rotational excitation of O2 due to helium collisions at energies of 660 cm–1 is reported. Velocity map imaging was combined with state-selective detection of O2(X3Σg–) by (2+1) resonance-enhanced multiphoton ionization. The obtained raw O2+ images were corrected from density to flux and the differential cross sections (DCS) were then extracted for six O2 final states. Exact quantum mechanical calculations were also performed. A very good agreement between experimental and theoretical DCSs was found by using an initial O2 beam population ratio of 80% for the first rotational state and 20% for the first excited state. The agreement demonstrates our ability to model inelastic processes between O2 molecules and rare gas both theoretically and experimentally.
DOI: 10.1021/acs.jpca.6b00817
PubMed: 26829188
Affiliations:
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Parker</name><affiliation wicri:level="1"><nlm:affiliation>Radboud University Nijmegen , Institute for Molecules and Materials, Heijendaalseweg 135, 6525 AJ Nijmegen, The Netherlands.</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Radboud University Nijmegen , Institute for Molecules and Materials, Heijendaalseweg 135, 6525 AJ Nijmegen</wicri:regionArea><wicri:noRegion>6525 AJ Nijmegen</wicri:noRegion></affiliation></author><author><name sortKey="Kalugina, Yulia" sort="Kalugina, Yulia" uniqKey="Kalugina Y" first="Yulia" last="Kalugina">Yulia Kalugina</name><affiliation wicri:level="1"><nlm:affiliation>Tomsk State University , 36 Lenin av., Tomsk 634050, Russia.</nlm:affiliation><country xml:lang="fr">Russie</country><wicri:regionArea>Tomsk State University , 36 Lenin av., Tomsk 634050</wicri:regionArea><wicri:noRegion>Tomsk 634050</wicri:noRegion></affiliation></author><author><name sortKey="Lique, Francois" sort="Lique, Francois" uniqKey="Lique F" first="François" last="Lique">François Lique</name><affiliation wicri:level="3"><nlm:affiliation>LOMC - UMR 6294, CNRS-Université du Havre , 25 rue Philippe Lebon, BP 1123, 76063 Le Havre, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>LOMC - UMR 6294, CNRS-Université du Havre , 25 rue Philippe Lebon, BP 1123, 76063 Le Havre</wicri:regionArea><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region><settlement type="city">Le Havre</settlement></placeName></affiliation></author></analytic><series><title level="j">The journal of physical chemistry. A</title><idno type="eISSN">1520-5215</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Molecular oxygen (O2) is extremely important for a wide variety of processes on and outside Earth. Indeed, O2–He collisions are crucial to model O2 abundance in space or to create ultracold O2 molecules. A crossed molecular beam experiment to probe rotational excitation of O2 due to helium collisions at energies of 660 cm–1 is reported. Velocity map imaging was combined with state-selective detection of O2(X3Σg–) by (2+1) resonance-enhanced multiphoton ionization. The obtained raw O2+ images were corrected from density to flux and the differential cross sections (DCS) were then extracted for six O2 final states. Exact quantum mechanical calculations were also performed. A very good agreement between experimental and theoretical DCSs was found by using an initial O2 beam population ratio of 80% for the first rotational state and 20% for the first excited state. The agreement demonstrates our ability to model inelastic processes between O2 molecules and rare gas both theoretically and experimentally.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">26829188</PMID><DateCreated><Year>2016</Year><Month>2</Month><Day>18</Day></DateCreated><DateCompleted><Year>2016</Year><Month>06</Month><Day>27</Day></DateCompleted><DateRevised><Year>2016</Year><Month>2</Month><Day>18</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1520-5215</ISSN><JournalIssue CitedMedium="Internet"><Volume>120</Volume><Issue>6</Issue><PubDate><Year>2016</Year><Month>Feb</Month><Day>18</Day></PubDate></JournalIssue><Title>The journal of physical chemistry. A</Title><ISOAbbreviation>J Phys Chem A</ISOAbbreviation></Journal><ArticleTitle>State-to-State Inelastic Scattering of O2 with Helium.</ArticleTitle><Pagination><MedlinePgn>868-74</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1021/acs.jpca.6b00817</ELocationID><Abstract><AbstractText>Molecular oxygen (O2) is extremely important for a wide variety of processes on and outside Earth. Indeed, O2–He collisions are crucial to model O2 abundance in space or to create ultracold O2 molecules. A crossed molecular beam experiment to probe rotational excitation of O2 due to helium collisions at energies of 660 cm–1 is reported. Velocity map imaging was combined with state-selective detection of O2(X3Σg–) by (2+1) resonance-enhanced multiphoton ionization. The obtained raw O2+ images were corrected from density to flux and the differential cross sections (DCS) were then extracted for six O2 final states. Exact quantum mechanical calculations were also performed. A very good agreement between experimental and theoretical DCSs was found by using an initial O2 beam population ratio of 80% for the first rotational state and 20% for the first excited state. The agreement demonstrates our ability to model inelastic processes between O2 molecules and rare gas both theoretically and experimentally.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bishwakarma</LastName><ForeName>Chandan Kumar</ForeName><Initials>CK</Initials><AffiliationInfo><Affiliation>Radboud University Nijmegen , Institute for Molecules and Materials, Heijendaalseweg 135, 6525 AJ Nijmegen, The Netherlands.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>van Oevelen</LastName><ForeName>George</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Radboud University Nijmegen , Institute for Molecules and Materials, Heijendaalseweg 135, 6525 AJ Nijmegen, The Netherlands.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Scheidsbach</LastName><ForeName>Roy</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Radboud University Nijmegen , Institute for Molecules and Materials, Heijendaalseweg 135, 6525 AJ Nijmegen, The Netherlands.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Parker</LastName><ForeName>David H</ForeName><Initials>DH</Initials><AffiliationInfo><Affiliation>Radboud University Nijmegen , Institute for Molecules and Materials, Heijendaalseweg 135, 6525 AJ Nijmegen, The Netherlands.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kalugina</LastName><ForeName>Yulia</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Tomsk State University , 36 Lenin av., Tomsk 634050, Russia.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>LOMC - UMR 6294, CNRS-Université du Havre , 25 rue Philippe Lebon, BP 1123, 76063 Le Havre, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lique</LastName><ForeName>François</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>LOMC - UMR 6294, CNRS-Université du Havre , 25 rue Philippe Lebon, BP 1123, 76063 Le Havre, France.</Affiliation></AffiliationInfo></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>Feb</Month><Day>09</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Phys Chem A</MedlineTA><NlmUniqueID>9890903</NlmUniqueID><ISSNLinking>1089-5639</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>2</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>2</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>2</Month><Day>2</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">26829188</ArticleId><ArticleId IdType="doi">10.1021/acs.jpca.6b00817</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>France</li><li>Pays-Bas</li><li>Russie</li></country><region><li>Haute-Normandie</li><li>Région Normandie</li></region><settlement><li>Le Havre</li></settlement></list><tree><country name="Pays-Bas"><noRegion><name sortKey="Bishwakarma, Chandan Kumar" sort="Bishwakarma, Chandan Kumar" uniqKey="Bishwakarma C" first="Chandan Kumar" last="Bishwakarma">Chandan Kumar Bishwakarma</name></noRegion><name sortKey="Parker, David H" sort="Parker, David H" uniqKey="Parker D" first="David H" last="Parker">David H. Parker</name><name sortKey="Scheidsbach, Roy" sort="Scheidsbach, Roy" uniqKey="Scheidsbach R" first="Roy" last="Scheidsbach">Roy Scheidsbach</name><name sortKey="Van Oevelen, George" sort="Van Oevelen, George" uniqKey="Van Oevelen G" first="George" last="Van Oevelen">George Van Oevelen</name></country><country name="Russie"><noRegion><name sortKey="Kalugina, Yulia" sort="Kalugina, Yulia" uniqKey="Kalugina Y" first="Yulia" last="Kalugina">Yulia Kalugina</name></noRegion></country><country name="France"><region name="Région Normandie"><name sortKey="Lique, Francois" sort="Lique, Francois" uniqKey="Lique F" first="François" last="Lique">François Lique</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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