Observation of mixed fermionic-bosonic helium clusters by transmission grating diffraction
Small weakly bound boson-fermion 4He(m) 3He(n) clusters formed in a free jet expansion are identified using nondestructive transmission grating diffraction. The observations confirm the existence of more than 11 very tenuous complexes including the three-body halo molecule 4He2 3He and the pseudo-Bo...
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| Veröffentlicht in: | Physical review letters 2005-09, Vol.95 (11), p.113402.1-113402.4, Article 113402 |
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| container_end_page | 113402.4 |
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| container_issue | 11 |
| container_start_page | 113402.1 |
| container_title | Physical review letters |
| container_volume | 95 |
| creator | KALININ, Anton KORNILOV, Oleg SCHÖLLKOPF, Wieland TOENNIES, J. Peter |
| description | Small weakly bound boson-fermion 4He(m) 3He(n) clusters formed in a free jet expansion are identified using nondestructive transmission grating diffraction. The observations confirm the existence of more than 11 very tenuous complexes including the three-body halo molecule 4He2 3He and the pseudo-Borromean complex 4He2 3He2. Effective cluster formation temperatures, extracted from a sudden freeze model for cluster growth using theoretical binding energies, increase smoothly with cluster size, thereby confirming the calculations with the possible exception of 4He2 3He2. |
| doi_str_mv | 10.1103/PhysRevLett.95.113402 |
| format | Article |
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Effective cluster formation temperatures, extracted from a sudden freeze model for cluster growth using theoretical binding energies, increase smoothly with cluster size, thereby confirming the calculations with the possible exception of 4He2 3He2.</description><subject>Atomic and molecular clusters</subject><subject>ATOMIC AND MOLECULAR PHYSICS</subject><subject>ATOMIC CLUSTERS</subject><subject>BINDING ENERGY</subject><subject>BOSONS</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>DIFFRACTION GRATINGS</subject><subject>Exact sciences and technology</subject><subject>FERMIONS</subject><subject>HELIUM 3</subject><subject>HELIUM 4</subject><subject>MOLECULES</subject><subject>Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals</subject><subject>Physics</subject><subject>Stability and fragmentation of clusters</subject><subject>Structure of solids and liquids; crystallography</subject><subject>Studies of special atoms, molecules and their ions; clusters</subject><subject>THREE-BODY PROBLEM</subject><subject>TRANSMISSION</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNpNkE1rFEEQhhsxmDX6E5QBibeJVTPTX0cJiQoLCaIXL01PT3e2ZT5iV09w_7297EI8FRTP-1bxMPYO4QoR2k_3uz19909bn_OV5mXXdtC8YBsEqWuJ2L1kG4AWaw0gz9lrot8AgI1Qr9g5CtQSoNuwX3c9-fRkc1zmagnVFP_6oQo-TWURXd0vdJjVzo9xnSo3rpR9oqrfVznZmaZIdIg-pFIxP1RDDCFZd6h7w86CHcm_Pc0L9vP25sf113p79-Xb9edt7Tpsct0raZ2UohPCafRSCM770CuN3Nlm6LXseo6DDtKqlg8QlHJOYegaEbQWsr1gH469C-VoyMXs3c4t8-xdNg0IrbsGCvXxSD2m5c_qKZvyuvPjaGe_rGSEEhxQqwLyI-jSQpR8MI8pTjbtDYI5qDf_qTeam6P6knt_OrD2kx-eUyfXBbg8AZacHYum2UV65iQK3nLR_gM3kJBz</recordid><startdate>20050909</startdate><enddate>20050909</enddate><creator>KALININ, Anton</creator><creator>KORNILOV, Oleg</creator><creator>SCHÖLLKOPF, Wieland</creator><creator>TOENNIES, J. 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Peter</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observation of mixed fermionic-bosonic helium clusters by transmission grating diffraction</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2005-09-09</date><risdate>2005</risdate><volume>95</volume><issue>11</issue><spage>113402.1</spage><epage>113402.4</epage><pages>113402.1-113402.4</pages><artnum>113402</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><coden>PRLTAO</coden><abstract>Small weakly bound boson-fermion 4He(m) 3He(n) clusters formed in a free jet expansion are identified using nondestructive transmission grating diffraction. The observations confirm the existence of more than 11 very tenuous complexes including the three-body halo molecule 4He2 3He and the pseudo-Borromean complex 4He2 3He2. Effective cluster formation temperatures, extracted from a sudden freeze model for cluster growth using theoretical binding energies, increase smoothly with cluster size, thereby confirming the calculations with the possible exception of 4He2 3He2.</abstract><cop>Ridge, NY</cop><pub>American Physical Society</pub><pmid>16197004</pmid><doi>10.1103/PhysRevLett.95.113402</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Physical review letters, 2005-09, Vol.95 (11), p.113402.1-113402.4, Article 113402 |
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| source | American Physical Society Journals |
| subjects | Atomic and molecular clusters ATOMIC AND MOLECULAR PHYSICS ATOMIC CLUSTERS BINDING ENERGY BOSONS Condensed matter: structure, mechanical and thermal properties DIFFRACTION GRATINGS Exact sciences and technology FERMIONS HELIUM 3 HELIUM 4 MOLECULES Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals Physics Stability and fragmentation of clusters Structure of solids and liquids crystallography Studies of special atoms, molecules and their ions clusters THREE-BODY PROBLEM TRANSMISSION |
| title | Observation of mixed fermionic-bosonic helium clusters by transmission grating diffraction |
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