Charmonium production in photon-photon collisions
We have searched for the two-photon production of the eta/sub c/, chi/sub 0/, and chi/sub 2/ charmonium states at the SLAC e/sup +/e/sup -/ collider PEP in the channels ..gamma gamma -->..K/sup +- /K/sub S//sup 0/..pi../sup minus-or-plus/, ..gamma gamma -->..K/sup +/K/sup -/..pi../sup +/..pi.....
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| Veröffentlicht in: | Phys. Rev. Lett.; (United States) 1988-06, Vol.60 (23), p.2355-2358 |
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| creator | Aihara, H Alston-Garnjost, M Avery, RE Barbaro-Galtieri, A Barker, AR Barnett, BA Bauer, DA Bay, A Bengtsson, H Bobbink, GJ Buchanan, CD Buijs, A Caldwell, DO Chao, H Chun, S Clark, AR Cowan, GD Crane, DA Dahl, OI Daoudi, M Derby, KA Eastman, JJ Eberhard, PH Edberg, TK Eisner, AM Enomoto, R Erné, FC Fairfield, KH Hauptman, JM Hofmann, W Hylen, J Kamae, T Kaye, HS Kenney, RW Khacheryan, S Kofler, RR Langeveld, WG Layter, JG Lin, WT Linde, FL Loken, SC Lu, A Lynch, GR Madaras, RJ Magnuson, BD Masek, GE Mathis, LG Matthews, JA Maxfield, SJ Miller, ES Moses, W Nygren, DR Oddone, PJ Paar, HP Park, SK Pellett, DE Pripstein, M Ronan, MT Ross, RR Rouse, FR Schwitkis, KA Sens, JC Shapiro, G Shen, BC |
| description | We have searched for the two-photon production of the eta/sub c/, chi/sub 0/, and chi/sub 2/ charmonium states at the SLAC e/sup +/e/sup -/ collider PEP in the channels ..gamma gamma -->..K/sup +- /K/sub S//sup 0/..pi../sup minus-or-plus/, ..gamma gamma -->..K/sup +/K/sup -/..pi../sup +/..pi../sup -/, ..gamma gamma --> pi../sup +/..pi../sup -/..pi../sup +/..pi../sup -/, and ..gamma gamma -->..K/sup +/K/sup -/K/sup +/K/sup -/. We identify four eta/sub c/ candidates in the K/sup +/K/sup -/K/sup +/K/sup -/ channel on a negligible background; the one phiphi event among them implies a 95%-confidence-level lower limit for GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/) of 1.7 keV. In the other channels we find no evidence for any of the three states. We establish 95%-C.L. upper limits GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/) |
| doi_str_mv | 10.1103/PhysRevLett.60.2355 |
| format | Article |
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We identify four eta/sub c/ candidates in the K/sup +/K/sup -/K/sup +/K/sup -/ channel on a negligible background; the one phiphi event among them implies a 95%-confidence-level lower limit for GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/) of 1.7 keV. In the other channels we find no evidence for any of the three states. We establish 95%-C.L. upper limits GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/)<15.5 keV, GAMMA/sub ..gamma..//sub ..gamma../(chi/sub 0/)<17.0 keV, and GAMMA/sub ..gamma..//sub ..gamma../(chi/sub 2/)<4.2 keV. From all channels combined, we obtain the value GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/)<6.4 +- /sup 5.0//sub 3.4/ keV.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.60.2355</identifier><identifier>PMID: 10038330</identifier><language>eng</language><publisher>United States</publisher><subject>BASIC INTERACTIONS ; BOSONS ; BRANCHING RATIO ; CHARMONIUM ; CHI0-3415 MESONS ; CHI2-3555 MESONS ; DATA ; ELECTROMAGNETIC INTERACTIONS ; ELECTRON-POSITRON INTERACTIONS ; ELEMENTARY PARTICLES ; ETA C-2980 MESONS ; EXPERIMENTAL DATA ; HADRONS ; INFORMATION ; INTERACTIONS ; KAONS ; KAONS MINUS ; KAONS PLUS ; LEPTON-LEPTON INTERACTIONS ; LIMITING VALUES ; MASS SPECTRA ; MESONS ; NUMERICAL DATA ; PARTICLE INTERACTIONS ; PARTICLE PRODUCTION ; PARTICLE PROPERTIES ; PARTICLE WIDTHS ; PHI-1020 MESONS ; PHOTON-PHOTON INTERACTIONS ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; PIONS ; PIONS MINUS ; PIONS PLUS ; PSEUDOSCALAR MESONS ; QUARKONIUM ; SCALAR MESONS ; SPECTRA ; STRANGE MESONS ; STRANGE PARTICLES ; STRANGEONIUM ; TENSOR MESONS ; VECTOR MESONS 645101 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties</subject><ispartof>Phys. Rev. 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Rev. Lett.; (United States)</title><addtitle>Phys Rev Lett</addtitle><description>We have searched for the two-photon production of the eta/sub c/, chi/sub 0/, and chi/sub 2/ charmonium states at the SLAC e/sup +/e/sup -/ collider PEP in the channels ..gamma gamma -->..K/sup +- /K/sub S//sup 0/..pi../sup minus-or-plus/, ..gamma gamma -->..K/sup +/K/sup -/..pi../sup +/..pi../sup -/, ..gamma gamma --> pi../sup +/..pi../sup -/..pi../sup +/..pi../sup -/, and ..gamma gamma -->..K/sup +/K/sup -/K/sup +/K/sup -/. We identify four eta/sub c/ candidates in the K/sup +/K/sup -/K/sup +/K/sup -/ channel on a negligible background; the one phiphi event among them implies a 95%-confidence-level lower limit for GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/) of 1.7 keV. In the other channels we find no evidence for any of the three states. We establish 95%-C.L. upper limits GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/)<15.5 keV, GAMMA/sub ..gamma..//sub ..gamma../(chi/sub 0/)<17.0 keV, and GAMMA/sub ..gamma..//sub ..gamma../(chi/sub 2/)<4.2 keV. From all channels combined, we obtain the value GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/)<6.4 +- /sup 5.0//sub 3.4/ keV.</description><subject>BASIC INTERACTIONS</subject><subject>BOSONS</subject><subject>BRANCHING RATIO</subject><subject>CHARMONIUM</subject><subject>CHI0-3415 MESONS</subject><subject>CHI2-3555 MESONS</subject><subject>DATA</subject><subject>ELECTROMAGNETIC INTERACTIONS</subject><subject>ELECTRON-POSITRON INTERACTIONS</subject><subject>ELEMENTARY PARTICLES</subject><subject>ETA C-2980 MESONS</subject><subject>EXPERIMENTAL DATA</subject><subject>HADRONS</subject><subject>INFORMATION</subject><subject>INTERACTIONS</subject><subject>KAONS</subject><subject>KAONS MINUS</subject><subject>KAONS PLUS</subject><subject>LEPTON-LEPTON INTERACTIONS</subject><subject>LIMITING VALUES</subject><subject>MASS SPECTRA</subject><subject>MESONS</subject><subject>NUMERICAL DATA</subject><subject>PARTICLE INTERACTIONS</subject><subject>PARTICLE PRODUCTION</subject><subject>PARTICLE PROPERTIES</subject><subject>PARTICLE WIDTHS</subject><subject>PHI-1020 MESONS</subject><subject>PHOTON-PHOTON INTERACTIONS</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>PIONS</subject><subject>PIONS MINUS</subject><subject>PIONS PLUS</subject><subject>PSEUDOSCALAR MESONS</subject><subject>QUARKONIUM</subject><subject>SCALAR MESONS</subject><subject>SPECTRA</subject><subject>STRANGE MESONS</subject><subject>STRANGE PARTICLES</subject><subject>STRANGEONIUM</subject><subject>TENSOR MESONS</subject><subject>VECTOR MESONS 645101 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1988</creationdate><recordtype>article</recordtype><recordid>eNpNkE9LxDAQxYMo7rr6CQRZPHnpOtM0aXOUxX-woIieQzed0EjbrE0q7Le30j3s6cG835sZHmPXCCtE4Pfv9T580O-GYlxJWKVciBM2R8hVkiNmp2wOwDFRAPmMXYTwDQCYyuKczXB0Cs5hznBdl33rOze0y13vq8FE57ul65a72kffJZMsjW8aF0YrXLIzWzaBrg66YF9Pj5_rl2Tz9vy6ftgkJkMVE65yUQprSW4zq2SBuU1BUiWs5KUktKhkLgRBVRio0EA2TslQxXNQIqv4gt1Oe32ITgfjIpna-K4jE7VACQWHEbqboPH3n4FC1K0Lhpqm7MgPQWMhVCoKkYoR5RNqeh9CT1bveteW_V4j6P9C9VGhWoL-L3RM3RwODNuWqqPM1CD_AyMwc8Q</recordid><startdate>19880606</startdate><enddate>19880606</enddate><creator>Aihara, H</creator><creator>Alston-Garnjost, M</creator><creator>Avery, RE</creator><creator>Barbaro-Galtieri, A</creator><creator>Barker, AR</creator><creator>Barnett, BA</creator><creator>Bauer, DA</creator><creator>Bay, A</creator><creator>Bengtsson, H</creator><creator>Bobbink, GJ</creator><creator>Buchanan, 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OI ; Daoudi, M ; Derby, KA ; Eastman, JJ ; Eberhard, PH ; Edberg, TK ; Eisner, AM ; Enomoto, R ; Erné, FC ; Fairfield, KH ; Hauptman, JM ; Hofmann, W ; Hylen, J ; Kamae, T ; Kaye, HS ; Kenney, RW ; Khacheryan, S ; Kofler, RR ; Langeveld, WG ; Layter, JG ; Lin, WT ; Linde, FL ; Loken, SC ; Lu, A ; Lynch, GR ; Madaras, RJ ; Magnuson, BD ; Masek, GE ; Mathis, LG ; Matthews, JA ; Maxfield, SJ ; Miller, ES ; Moses, W ; Nygren, DR ; Oddone, PJ ; Paar, HP ; Park, SK ; Pellett, DE ; Pripstein, M ; Ronan, MT ; Ross, RR ; Rouse, FR ; Schwitkis, KA ; Sens, JC ; Shapiro, G ; Shen, BC</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c419t-3975a5ffe6b4f96817f206ed5f63a6e1f196755e0d8c0d1c04a6eeced370954d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1988</creationdate><topic>BASIC INTERACTIONS</topic><topic>BOSONS</topic><topic>BRANCHING RATIO</topic><topic>CHARMONIUM</topic><topic>CHI0-3415 MESONS</topic><topic>CHI2-3555 MESONS</topic><topic>DATA</topic><topic>ELECTROMAGNETIC INTERACTIONS</topic><topic>ELECTRON-POSITRON INTERACTIONS</topic><topic>ELEMENTARY PARTICLES</topic><topic>ETA C-2980 MESONS</topic><topic>EXPERIMENTAL DATA</topic><topic>HADRONS</topic><topic>INFORMATION</topic><topic>INTERACTIONS</topic><topic>KAONS</topic><topic>KAONS MINUS</topic><topic>KAONS PLUS</topic><topic>LEPTON-LEPTON INTERACTIONS</topic><topic>LIMITING VALUES</topic><topic>MASS SPECTRA</topic><topic>MESONS</topic><topic>NUMERICAL DATA</topic><topic>PARTICLE INTERACTIONS</topic><topic>PARTICLE PRODUCTION</topic><topic>PARTICLE PROPERTIES</topic><topic>PARTICLE WIDTHS</topic><topic>PHI-1020 MESONS</topic><topic>PHOTON-PHOTON INTERACTIONS</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>PIONS</topic><topic>PIONS MINUS</topic><topic>PIONS PLUS</topic><topic>PSEUDOSCALAR MESONS</topic><topic>QUARKONIUM</topic><topic>SCALAR MESONS</topic><topic>SPECTRA</topic><topic>STRANGE MESONS</topic><topic>STRANGE PARTICLES</topic><topic>STRANGEONIUM</topic><topic>TENSOR MESONS</topic><topic>VECTOR MESONS 645101 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aihara, H</creatorcontrib><creatorcontrib>Alston-Garnjost, M</creatorcontrib><creatorcontrib>Avery, RE</creatorcontrib><creatorcontrib>Barbaro-Galtieri, A</creatorcontrib><creatorcontrib>Barker, AR</creatorcontrib><creatorcontrib>Barnett, BA</creatorcontrib><creatorcontrib>Bauer, DA</creatorcontrib><creatorcontrib>Bay, A</creatorcontrib><creatorcontrib>Bengtsson, H</creatorcontrib><creatorcontrib>Bobbink, GJ</creatorcontrib><creatorcontrib>Buchanan, CD</creatorcontrib><creatorcontrib>Buijs, A</creatorcontrib><creatorcontrib>Caldwell, DO</creatorcontrib><creatorcontrib>Chao, H</creatorcontrib><creatorcontrib>Chun, S</creatorcontrib><creatorcontrib>Clark, AR</creatorcontrib><creatorcontrib>Cowan, GD</creatorcontrib><creatorcontrib>Crane, DA</creatorcontrib><creatorcontrib>Dahl, OI</creatorcontrib><creatorcontrib>Daoudi, M</creatorcontrib><creatorcontrib>Derby, KA</creatorcontrib><creatorcontrib>Eastman, JJ</creatorcontrib><creatorcontrib>Eberhard, PH</creatorcontrib><creatorcontrib>Edberg, TK</creatorcontrib><creatorcontrib>Eisner, AM</creatorcontrib><creatorcontrib>Enomoto, R</creatorcontrib><creatorcontrib>Erné, FC</creatorcontrib><creatorcontrib>Fairfield, KH</creatorcontrib><creatorcontrib>Hauptman, JM</creatorcontrib><creatorcontrib>Hofmann, W</creatorcontrib><creatorcontrib>Hylen, J</creatorcontrib><creatorcontrib>Kamae, T</creatorcontrib><creatorcontrib>Kaye, HS</creatorcontrib><creatorcontrib>Kenney, RW</creatorcontrib><creatorcontrib>Khacheryan, S</creatorcontrib><creatorcontrib>Kofler, RR</creatorcontrib><creatorcontrib>Langeveld, WG</creatorcontrib><creatorcontrib>Layter, JG</creatorcontrib><creatorcontrib>Lin, WT</creatorcontrib><creatorcontrib>Linde, FL</creatorcontrib><creatorcontrib>Loken, SC</creatorcontrib><creatorcontrib>Lu, A</creatorcontrib><creatorcontrib>Lynch, GR</creatorcontrib><creatorcontrib>Madaras, RJ</creatorcontrib><creatorcontrib>Magnuson, BD</creatorcontrib><creatorcontrib>Masek, GE</creatorcontrib><creatorcontrib>Mathis, LG</creatorcontrib><creatorcontrib>Matthews, JA</creatorcontrib><creatorcontrib>Maxfield, SJ</creatorcontrib><creatorcontrib>Miller, ES</creatorcontrib><creatorcontrib>Moses, W</creatorcontrib><creatorcontrib>Nygren, DR</creatorcontrib><creatorcontrib>Oddone, PJ</creatorcontrib><creatorcontrib>Paar, HP</creatorcontrib><creatorcontrib>Park, SK</creatorcontrib><creatorcontrib>Pellett, DE</creatorcontrib><creatorcontrib>Pripstein, M</creatorcontrib><creatorcontrib>Ronan, MT</creatorcontrib><creatorcontrib>Ross, RR</creatorcontrib><creatorcontrib>Rouse, FR</creatorcontrib><creatorcontrib>Schwitkis, KA</creatorcontrib><creatorcontrib>Sens, JC</creatorcontrib><creatorcontrib>Shapiro, G</creatorcontrib><creatorcontrib>Shen, BC</creatorcontrib><creatorcontrib>Lawrence Berkeley Laboratory, Berkeley, California 94720</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Phys. Rev. Lett.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aihara, H</au><au>Alston-Garnjost, M</au><au>Avery, RE</au><au>Barbaro-Galtieri, A</au><au>Barker, AR</au><au>Barnett, BA</au><au>Bauer, DA</au><au>Bay, A</au><au>Bengtsson, H</au><au>Bobbink, GJ</au><au>Buchanan, CD</au><au>Buijs, A</au><au>Caldwell, DO</au><au>Chao, H</au><au>Chun, S</au><au>Clark, AR</au><au>Cowan, GD</au><au>Crane, DA</au><au>Dahl, OI</au><au>Daoudi, M</au><au>Derby, KA</au><au>Eastman, JJ</au><au>Eberhard, PH</au><au>Edberg, TK</au><au>Eisner, AM</au><au>Enomoto, R</au><au>Erné, FC</au><au>Fairfield, KH</au><au>Hauptman, JM</au><au>Hofmann, W</au><au>Hylen, J</au><au>Kamae, T</au><au>Kaye, HS</au><au>Kenney, RW</au><au>Khacheryan, S</au><au>Kofler, RR</au><au>Langeveld, WG</au><au>Layter, JG</au><au>Lin, WT</au><au>Linde, FL</au><au>Loken, SC</au><au>Lu, A</au><au>Lynch, GR</au><au>Madaras, RJ</au><au>Magnuson, BD</au><au>Masek, GE</au><au>Mathis, LG</au><au>Matthews, JA</au><au>Maxfield, SJ</au><au>Miller, ES</au><au>Moses, W</au><au>Nygren, DR</au><au>Oddone, PJ</au><au>Paar, HP</au><au>Park, SK</au><au>Pellett, DE</au><au>Pripstein, M</au><au>Ronan, MT</au><au>Ross, RR</au><au>Rouse, FR</au><au>Schwitkis, KA</au><au>Sens, JC</au><au>Shapiro, G</au><au>Shen, BC</au><aucorp>Lawrence Berkeley Laboratory, Berkeley, California 94720</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Charmonium production in photon-photon collisions</atitle><jtitle>Phys. Rev. Lett.; (United States)</jtitle><addtitle>Phys Rev Lett</addtitle><date>1988-06-06</date><risdate>1988</risdate><volume>60</volume><issue>23</issue><spage>2355</spage><epage>2358</epage><pages>2355-2358</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We have searched for the two-photon production of the eta/sub c/, chi/sub 0/, and chi/sub 2/ charmonium states at the SLAC e/sup +/e/sup -/ collider PEP in the channels ..gamma gamma -->..K/sup +- /K/sub S//sup 0/..pi../sup minus-or-plus/, ..gamma gamma -->..K/sup +/K/sup -/..pi../sup +/..pi../sup -/, ..gamma gamma --> pi../sup +/..pi../sup -/..pi../sup +/..pi../sup -/, and ..gamma gamma -->..K/sup +/K/sup -/K/sup +/K/sup -/. We identify four eta/sub c/ candidates in the K/sup +/K/sup -/K/sup +/K/sup -/ channel on a negligible background; the one phiphi event among them implies a 95%-confidence-level lower limit for GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/) of 1.7 keV. In the other channels we find no evidence for any of the three states. We establish 95%-C.L. upper limits GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/)<15.5 keV, GAMMA/sub ..gamma..//sub ..gamma../(chi/sub 0/)<17.0 keV, and GAMMA/sub ..gamma..//sub ..gamma../(chi/sub 2/)<4.2 keV. From all channels combined, we obtain the value GAMMA/sub ..gamma..//sub ..gamma../(eta/sub c/)<6.4 +- /sup 5.0//sub 3.4/ keV.</abstract><cop>United States</cop><pmid>10038330</pmid><doi>10.1103/PhysRevLett.60.2355</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0031-9007 |
| ispartof | Phys. Rev. Lett.; (United States), 1988-06, Vol.60 (23), p.2355-2358 |
| issn | 0031-9007 1079-7114 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1859258525 |
| source | American Physical Society Journals |
| subjects | BASIC INTERACTIONS BOSONS BRANCHING RATIO CHARMONIUM CHI0-3415 MESONS CHI2-3555 MESONS DATA ELECTROMAGNETIC INTERACTIONS ELECTRON-POSITRON INTERACTIONS ELEMENTARY PARTICLES ETA C-2980 MESONS EXPERIMENTAL DATA HADRONS INFORMATION INTERACTIONS KAONS KAONS MINUS KAONS PLUS LEPTON-LEPTON INTERACTIONS LIMITING VALUES MASS SPECTRA MESONS NUMERICAL DATA PARTICLE INTERACTIONS PARTICLE PRODUCTION PARTICLE PROPERTIES PARTICLE WIDTHS PHI-1020 MESONS PHOTON-PHOTON INTERACTIONS PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PIONS PIONS MINUS PIONS PLUS PSEUDOSCALAR MESONS QUARKONIUM SCALAR MESONS SPECTRA STRANGE MESONS STRANGE PARTICLES STRANGEONIUM TENSOR MESONS VECTOR MESONS 645101 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties |
| title | Charmonium production in photon-photon collisions |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-30T21%3A45%3A59IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_osti_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Charmonium%20production%20in%20photon-photon%20collisions&rft.jtitle=Phys.%20Rev.%20Lett.;%20(United%20States)&rft.au=Aihara,%20H&rft.aucorp=Lawrence%20Berkeley%20Laboratory,%20Berkeley,%20California%2094720&rft.date=1988-06-06&rft.volume=60&rft.issue=23&rft.spage=2355&rft.epage=2358&rft.pages=2355-2358&rft.issn=0031-9007&rft.eissn=1079-7114&rft_id=info:doi/10.1103/PhysRevLett.60.2355&rft_dat=%3Cproquest_osti_%3E1859258525%3C/proquest_osti_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1859258525&rft_id=info:pmid/10038330&rfr_iscdi=true |