Observation of B-meson semileptonic decays to noncharmed final states
We report the first evidence of charmless semileptonic decays of {ital B} mesons. In the momentum interval 2.4--2.6 GeV/{ital c} where the background from {ital b}{r arrow}{ital cl}{nu} is negligible, the average of the measured {ital b}{r arrow}{ital ue}{nu} and {ital b}{r arrow}{ital u}{mu}{nu} pa...
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| Veröffentlicht in: | Physical review letters 1990-01, Vol.64 (1), p.16-20 |
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| creator | Fulton, R Hempstead, M Jensen, T Johnson, DR Kagan, H Kass, R Morrow, F Whitmore, J Wilson, P Chen, W McIlwain, RL Miller, DH Ng, CR Schaffner, SF Shibata, EI Yao, W Sparks, K Thorndike, EH Wang, C Brock, IC Ferguson, T Alam, MS Kim, IJ Li, WC Lou, XC Sun, CR Wang, P Zoeller, MI Bortoletto, D Goldberg, M Horwitz, N Jain, V, V Mestayer, MD Moneti, GC Sharma, V, V Shipsey, IP Skwarnicki, T Thulasidas, M Csorna, SE Letson, T Alexander, J Artuso, M Bebek, C Berkelman, K Cassel, DG Cheu, E Coffman, DM Crawford, G DeWire, JW Drell, PS Ehrlich, R Galik, RS Gittelman, B Gray, SW Halling, AM Hartill, DL Heltsley, BK Kandaswamy, J Katayama, N Kreinick, DL Lewis, JD Mistry, NB Mueller, J Namjoshi, R |
| description | We report the first evidence of charmless semileptonic decays of {ital B} mesons. In the momentum interval 2.4--2.6 GeV/{ital c} where the background from {ital b}{r arrow}{ital cl}{nu} is negligible, the average of the measured {ital b}{r arrow}{ital ue}{nu} and {ital b}{r arrow}{ital u}{mu}{nu} partial branching ratios is {Delta}{ital B}{sub {ital ub}}(2.4,2.6) =(1.8{plus minus}0.4{plus minus}0.3){times}10{sup {minus}4}. Inclusion of data from the interval 2.2--2.4 GeV/{ital c}, where the lepton yield is dominated by {ital b}{r arrow}{ital cl}{nu}, gives {Delta}{ital B}{sub {ital ub}}(2.2,2.6) =(3.3{plus minus}0.8{plus minus}0.8){times}10{sup {minus}4}. {vert bar}{ital V}{sub {ital ub}}/V{sub cb}{vert bar} depends on the theoretical model of {ital b}{r arrow}{ital ul}{nu} decay and is approximately 0.1. |
| doi_str_mv | 10.1103/PhysRevLett.64.16 |
| format | Article |
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In the momentum interval 2.4--2.6 GeV/{ital c} where the background from {ital b}{r arrow}{ital cl}{nu} is negligible, the average of the measured {ital b}{r arrow}{ital ue}{nu} and {ital b}{r arrow}{ital u}{mu}{nu} partial branching ratios is {Delta}{ital B}{sub {ital ub}}(2.4,2.6) =(1.8{plus minus}0.4{plus minus}0.3){times}10{sup {minus}4}. Inclusion of data from the interval 2.2--2.4 GeV/{ital c}, where the lepton yield is dominated by {ital b}{r arrow}{ital cl}{nu}, gives {Delta}{ital B}{sub {ital ub}}(2.2,2.6) =(3.3{plus minus}0.8{plus minus}0.8){times}10{sup {minus}4}. {vert bar}{ital V}{sub {ital ub}}/V{sub cb}{vert bar} depends on the theoretical model of {ital b}{r arrow}{ital ul}{nu} decay and is approximately 0.1.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.64.16</identifier><identifier>PMID: 10041262</identifier><language>eng</language><publisher>United States</publisher><subject>645102 - High Energy Physics- Particle Interactions & Properties-Experimental- Weak Interactions & Properties ; ACCELERATORS ; B MESONS ; BOSONS ; BOTTOMONIUM ; BRANCHING RATIO ; CHARM PARTICLES ; CORNELL 10-GEV SYNCHROTRON ; CYCLIC ACCELERATORS ; DATA ; DECAY ; ELEMENTARY PARTICLES ; ENERGY RANGE ; EXPERIMENTAL DATA ; FERMIONS ; FIELD THEORIES ; GEV RANGE ; GEV RANGE 01-10 ; HADRONS ; INFORMATION ; KOBAYASHI-MASKAWA MATRIX ; LEPTONS ; MATRICES ; MATRIX ELEMENTS ; MESONS ; NUMERICAL DATA ; PARTICLE DECAY ; PARTICLE IDENTIFICATION ; PARTICLE PRODUCTION ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; PSEUDOSCALAR MESONS ; QUARKONIUM ; SEMILEPTONIC DECAY ; SYNCHROTRONS ; UNIFIED-FIELD THEORIES ; UPSILON-10860 MESONS ; VECTOR MESONS ; WEAK PARTICLE DECAY</subject><ispartof>Physical review letters, 1990-01, Vol.64 (1), p.16-20</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c326t-c6d1956d87d4bc2ffe72c7b1cf31efa324c4733edf0321385bfb526ac806f26d3</citedby><cites>FETCH-LOGICAL-c326t-c6d1956d87d4bc2ffe72c7b1cf31efa324c4733edf0321385bfb526ac806f26d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,782,786,887,2878,2879,27931,27932</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10041262$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/7165953$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Fulton, R</creatorcontrib><creatorcontrib>Hempstead, M</creatorcontrib><creatorcontrib>Jensen, T</creatorcontrib><creatorcontrib>Johnson, DR</creatorcontrib><creatorcontrib>Kagan, H</creatorcontrib><creatorcontrib>Kass, R</creatorcontrib><creatorcontrib>Morrow, F</creatorcontrib><creatorcontrib>Whitmore, J</creatorcontrib><creatorcontrib>Wilson, P</creatorcontrib><creatorcontrib>Chen, W</creatorcontrib><creatorcontrib>McIlwain, RL</creatorcontrib><creatorcontrib>Miller, DH</creatorcontrib><creatorcontrib>Ng, CR</creatorcontrib><creatorcontrib>Schaffner, SF</creatorcontrib><creatorcontrib>Shibata, EI</creatorcontrib><creatorcontrib>Yao, W</creatorcontrib><creatorcontrib>Sparks, K</creatorcontrib><creatorcontrib>Thorndike, EH</creatorcontrib><creatorcontrib>Wang, C</creatorcontrib><creatorcontrib>Brock, IC</creatorcontrib><creatorcontrib>Ferguson, T</creatorcontrib><creatorcontrib>Alam, MS</creatorcontrib><creatorcontrib>Kim, IJ</creatorcontrib><creatorcontrib>Li, WC</creatorcontrib><creatorcontrib>Lou, XC</creatorcontrib><creatorcontrib>Sun, CR</creatorcontrib><creatorcontrib>Wang, P</creatorcontrib><creatorcontrib>Zoeller, MI</creatorcontrib><creatorcontrib>Bortoletto, D</creatorcontrib><creatorcontrib>Goldberg, M</creatorcontrib><creatorcontrib>Horwitz, N</creatorcontrib><creatorcontrib>Jain, V, V</creatorcontrib><creatorcontrib>Mestayer, MD</creatorcontrib><creatorcontrib>Moneti, GC</creatorcontrib><creatorcontrib>Sharma, V, V</creatorcontrib><creatorcontrib>Shipsey, IP</creatorcontrib><creatorcontrib>Skwarnicki, T</creatorcontrib><creatorcontrib>Thulasidas, M</creatorcontrib><creatorcontrib>Csorna, SE</creatorcontrib><creatorcontrib>Letson, T</creatorcontrib><creatorcontrib>Alexander, J</creatorcontrib><creatorcontrib>Artuso, M</creatorcontrib><creatorcontrib>Bebek, C</creatorcontrib><creatorcontrib>Berkelman, K</creatorcontrib><creatorcontrib>Cassel, DG</creatorcontrib><creatorcontrib>Cheu, E</creatorcontrib><creatorcontrib>Coffman, DM</creatorcontrib><creatorcontrib>Crawford, G</creatorcontrib><creatorcontrib>DeWire, JW</creatorcontrib><creatorcontrib>Drell, PS</creatorcontrib><creatorcontrib>Ehrlich, R</creatorcontrib><creatorcontrib>Galik, RS</creatorcontrib><creatorcontrib>Gittelman, B</creatorcontrib><creatorcontrib>Gray, SW</creatorcontrib><creatorcontrib>Halling, AM</creatorcontrib><creatorcontrib>Hartill, DL</creatorcontrib><creatorcontrib>Heltsley, BK</creatorcontrib><creatorcontrib>Kandaswamy, J</creatorcontrib><creatorcontrib>Katayama, N</creatorcontrib><creatorcontrib>Kreinick, DL</creatorcontrib><creatorcontrib>Lewis, JD</creatorcontrib><creatorcontrib>Mistry, NB</creatorcontrib><creatorcontrib>Mueller, J</creatorcontrib><creatorcontrib>Namjoshi, R</creatorcontrib><title>Observation of B-meson semileptonic decays to noncharmed final states</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>We report the first evidence of charmless semileptonic decays of {ital B} mesons. In the momentum interval 2.4--2.6 GeV/{ital c} where the background from {ital b}{r arrow}{ital cl}{nu} is negligible, the average of the measured {ital b}{r arrow}{ital ue}{nu} and {ital b}{r arrow}{ital u}{mu}{nu} partial branching ratios is {Delta}{ital B}{sub {ital ub}}(2.4,2.6) =(1.8{plus minus}0.4{plus minus}0.3){times}10{sup {minus}4}. Inclusion of data from the interval 2.2--2.4 GeV/{ital c}, where the lepton yield is dominated by {ital b}{r arrow}{ital cl}{nu}, gives {Delta}{ital B}{sub {ital ub}}(2.2,2.6) =(3.3{plus minus}0.8{plus minus}0.8){times}10{sup {minus}4}. {vert bar}{ital V}{sub {ital ub}}/V{sub cb}{vert bar} depends on the theoretical model of {ital b}{r arrow}{ital ul}{nu} decay and is approximately 0.1.</description><subject>645102 - High Energy Physics- Particle Interactions & Properties-Experimental- Weak Interactions & Properties</subject><subject>ACCELERATORS</subject><subject>B MESONS</subject><subject>BOSONS</subject><subject>BOTTOMONIUM</subject><subject>BRANCHING RATIO</subject><subject>CHARM PARTICLES</subject><subject>CORNELL 10-GEV SYNCHROTRON</subject><subject>CYCLIC ACCELERATORS</subject><subject>DATA</subject><subject>DECAY</subject><subject>ELEMENTARY PARTICLES</subject><subject>ENERGY RANGE</subject><subject>EXPERIMENTAL DATA</subject><subject>FERMIONS</subject><subject>FIELD THEORIES</subject><subject>GEV RANGE</subject><subject>GEV RANGE 01-10</subject><subject>HADRONS</subject><subject>INFORMATION</subject><subject>KOBAYASHI-MASKAWA MATRIX</subject><subject>LEPTONS</subject><subject>MATRICES</subject><subject>MATRIX ELEMENTS</subject><subject>MESONS</subject><subject>NUMERICAL DATA</subject><subject>PARTICLE DECAY</subject><subject>PARTICLE IDENTIFICATION</subject><subject>PARTICLE PRODUCTION</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>PSEUDOSCALAR MESONS</subject><subject>QUARKONIUM</subject><subject>SEMILEPTONIC DECAY</subject><subject>SYNCHROTRONS</subject><subject>UNIFIED-FIELD THEORIES</subject><subject>UPSILON-10860 MESONS</subject><subject>VECTOR MESONS</subject><subject>WEAK PARTICLE DECAY</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNpNkDtPwzAUhS0EgvL4ASwoYmJJ8bUTOxmhKg-pEgjBbDnOtRqUxCXXrdR_T1AYOp0zfOcMH2PXwOcAXN6_r_f0gbsVxjhX2RzUEZsB12WqAbJjNuNcQlpyrs_YOdE35xyEKk7ZGXCejVXM2PKtIhx2NjahT4JPHtMOaayEXdPiJoa-cUmNzu4piSHpQ-_WduiwTnzT2zahaCPSJTvxtiW8-s8L9vW0_Fy8pKu359fFwyp1UqiYOlVDmau60HVWOeE9auF0Bc5LQG-lyFympcTacylAFnnlq1wo6wquvFC1vGC302-g2BhyTUS3dqHv0UWjQeVlLkfoboI2Q_jZIkXTNeSwbW2PYUsGirwUuix1OaIwoW4IRAN6sxmazg57A9z8KTYHio3KDKhxc_N_v61GDweLyan8BQpmejE</recordid><startdate>19900101</startdate><enddate>19900101</enddate><creator>Fulton, R</creator><creator>Hempstead, M</creator><creator>Jensen, T</creator><creator>Johnson, DR</creator><creator>Kagan, H</creator><creator>Kass, R</creator><creator>Morrow, F</creator><creator>Whitmore, J</creator><creator>Wilson, P</creator><creator>Chen, W</creator><creator>McIlwain, 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Weak Interactions & Properties</topic><topic>ACCELERATORS</topic><topic>B MESONS</topic><topic>BOSONS</topic><topic>BOTTOMONIUM</topic><topic>BRANCHING RATIO</topic><topic>CHARM PARTICLES</topic><topic>CORNELL 10-GEV SYNCHROTRON</topic><topic>CYCLIC ACCELERATORS</topic><topic>DATA</topic><topic>DECAY</topic><topic>ELEMENTARY PARTICLES</topic><topic>ENERGY RANGE</topic><topic>EXPERIMENTAL DATA</topic><topic>FERMIONS</topic><topic>FIELD THEORIES</topic><topic>GEV RANGE</topic><topic>GEV RANGE 01-10</topic><topic>HADRONS</topic><topic>INFORMATION</topic><topic>KOBAYASHI-MASKAWA MATRIX</topic><topic>LEPTONS</topic><topic>MATRICES</topic><topic>MATRIX ELEMENTS</topic><topic>MESONS</topic><topic>NUMERICAL DATA</topic><topic>PARTICLE DECAY</topic><topic>PARTICLE IDENTIFICATION</topic><topic>PARTICLE PRODUCTION</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>PSEUDOSCALAR MESONS</topic><topic>QUARKONIUM</topic><topic>SEMILEPTONIC 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J</creatorcontrib><creatorcontrib>Artuso, M</creatorcontrib><creatorcontrib>Bebek, C</creatorcontrib><creatorcontrib>Berkelman, K</creatorcontrib><creatorcontrib>Cassel, DG</creatorcontrib><creatorcontrib>Cheu, E</creatorcontrib><creatorcontrib>Coffman, DM</creatorcontrib><creatorcontrib>Crawford, G</creatorcontrib><creatorcontrib>DeWire, JW</creatorcontrib><creatorcontrib>Drell, PS</creatorcontrib><creatorcontrib>Ehrlich, R</creatorcontrib><creatorcontrib>Galik, RS</creatorcontrib><creatorcontrib>Gittelman, B</creatorcontrib><creatorcontrib>Gray, SW</creatorcontrib><creatorcontrib>Halling, AM</creatorcontrib><creatorcontrib>Hartill, DL</creatorcontrib><creatorcontrib>Heltsley, BK</creatorcontrib><creatorcontrib>Kandaswamy, J</creatorcontrib><creatorcontrib>Katayama, N</creatorcontrib><creatorcontrib>Kreinick, DL</creatorcontrib><creatorcontrib>Lewis, JD</creatorcontrib><creatorcontrib>Mistry, NB</creatorcontrib><creatorcontrib>Mueller, J</creatorcontrib><creatorcontrib>Namjoshi, R</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fulton, R</au><au>Hempstead, M</au><au>Jensen, T</au><au>Johnson, DR</au><au>Kagan, H</au><au>Kass, R</au><au>Morrow, F</au><au>Whitmore, J</au><au>Wilson, P</au><au>Chen, W</au><au>McIlwain, RL</au><au>Miller, DH</au><au>Ng, CR</au><au>Schaffner, SF</au><au>Shibata, EI</au><au>Yao, W</au><au>Sparks, K</au><au>Thorndike, EH</au><au>Wang, C</au><au>Brock, IC</au><au>Ferguson, T</au><au>Alam, MS</au><au>Kim, IJ</au><au>Li, WC</au><au>Lou, XC</au><au>Sun, CR</au><au>Wang, P</au><au>Zoeller, MI</au><au>Bortoletto, D</au><au>Goldberg, M</au><au>Horwitz, N</au><au>Jain, V, V</au><au>Mestayer, MD</au><au>Moneti, GC</au><au>Sharma, V, V</au><au>Shipsey, IP</au><au>Skwarnicki, T</au><au>Thulasidas, M</au><au>Csorna, SE</au><au>Letson, T</au><au>Alexander, J</au><au>Artuso, M</au><au>Bebek, C</au><au>Berkelman, K</au><au>Cassel, DG</au><au>Cheu, E</au><au>Coffman, DM</au><au>Crawford, G</au><au>DeWire, JW</au><au>Drell, PS</au><au>Ehrlich, R</au><au>Galik, RS</au><au>Gittelman, B</au><au>Gray, SW</au><au>Halling, AM</au><au>Hartill, DL</au><au>Heltsley, BK</au><au>Kandaswamy, J</au><au>Katayama, N</au><au>Kreinick, DL</au><au>Lewis, JD</au><au>Mistry, NB</au><au>Mueller, J</au><au>Namjoshi, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observation of B-meson semileptonic decays to noncharmed final states</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>1990-01-01</date><risdate>1990</risdate><volume>64</volume><issue>1</issue><spage>16</spage><epage>20</epage><pages>16-20</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We report the first evidence of charmless semileptonic decays of {ital B} mesons. In the momentum interval 2.4--2.6 GeV/{ital c} where the background from {ital b}{r arrow}{ital cl}{nu} is negligible, the average of the measured {ital b}{r arrow}{ital ue}{nu} and {ital b}{r arrow}{ital u}{mu}{nu} partial branching ratios is {Delta}{ital B}{sub {ital ub}}(2.4,2.6) =(1.8{plus minus}0.4{plus minus}0.3){times}10{sup {minus}4}. Inclusion of data from the interval 2.2--2.4 GeV/{ital c}, where the lepton yield is dominated by {ital b}{r arrow}{ital cl}{nu}, gives {Delta}{ital B}{sub {ital ub}}(2.2,2.6) =(3.3{plus minus}0.8{plus minus}0.8){times}10{sup {minus}4}. {vert bar}{ital V}{sub {ital ub}}/V{sub cb}{vert bar} depends on the theoretical model of {ital b}{r arrow}{ital ul}{nu} decay and is approximately 0.1.</abstract><cop>United States</cop><pmid>10041262</pmid><doi>10.1103/PhysRevLett.64.16</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 1990-01, Vol.64 (1), p.16-20 |
| issn | 0031-9007 1079-7114 |
| language | eng |
| recordid | cdi_osti_scitechconnect_7165953 |
| source | American Physical Society Journals |
| subjects | 645102 - High Energy Physics- Particle Interactions & Properties-Experimental- Weak Interactions & Properties ACCELERATORS B MESONS BOSONS BOTTOMONIUM BRANCHING RATIO CHARM PARTICLES CORNELL 10-GEV SYNCHROTRON CYCLIC ACCELERATORS DATA DECAY ELEMENTARY PARTICLES ENERGY RANGE EXPERIMENTAL DATA FERMIONS FIELD THEORIES GEV RANGE GEV RANGE 01-10 HADRONS INFORMATION KOBAYASHI-MASKAWA MATRIX LEPTONS MATRICES MATRIX ELEMENTS MESONS NUMERICAL DATA PARTICLE DECAY PARTICLE IDENTIFICATION PARTICLE PRODUCTION PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PSEUDOSCALAR MESONS QUARKONIUM SEMILEPTONIC DECAY SYNCHROTRONS UNIFIED-FIELD THEORIES UPSILON-10860 MESONS VECTOR MESONS WEAK PARTICLE DECAY |
| title | Observation of B-meson semileptonic decays to noncharmed final states |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-04T23%3A28%3A34IST&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=Observation%20of%20B-meson%20semileptonic%20decays%20to%20noncharmed%20final%20states&rft.jtitle=Physical%20review%20letters&rft.au=Fulton,%20R&rft.date=1990-01-01&rft.volume=64&rft.issue=1&rft.spage=16&rft.epage=20&rft.pages=16-20&rft.issn=0031-9007&rft.eissn=1079-7114&rft_id=info:doi/10.1103/PhysRevLett.64.16&rft_dat=%3Cproquest_osti_%3E1859279979%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=1859279979&rft_id=info:pmid/10041262&rfr_iscdi=true |