Observation of tau -lepton decay to five charged particles
The production of tau-lepton pairs in e/sup +/e/sup -/ collisions at 29 GeV has been used to study the inclusive tau decay into five charged particles. Ten events are observed in the high-resolution spectrometer giving a branching ratio of B(tau..-->..5..pi../sup + -/+n..gamma..+..nu../sub tau/)...
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| Veröffentlicht in: | Phys. Rev. Lett.; (United States) 1985-04, Vol.54 (16), p.1775-1778 |
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| creator | Beltrami, I, I Bylsma, BG DeBonte, R Gan, KK Koltick, D Loeffler, FJ Low, EH McIlwain, RL Miller, DH Ng, CR Ong, PP Rangan, LK Shibata, EI Wilson, RJ Derrick, M Fernandez, E Fries, R Hyman, L Kooijman, P Loos, JS Musgrave, B Price, LE Schlereth, J Sugano, K Weiss, JM Wood, DE Baranko, G Baringer, P Blockus, D Brabson, B Forden, GE Gray, SW Jung, C Neal, H Ogren, H Rust, DR Valdata-Nappi, M Akerlof, C Bonvicini, G Chapman, J Errede, D Harnew, N Kesten, P Kooijman, S Meyer, DI Nitz, D Rubin, D Seidl, AA Thun, R Trinko, T Willutzky, W Cork, B Keller, L Va'Vra, J |
| description | The production of tau-lepton pairs in e/sup +/e/sup -/ collisions at 29 GeV has been used to study the inclusive tau decay into five charged particles. Ten events are observed in the high-resolution spectrometer giving a branching ratio of B(tau..-->..5..pi../sup + -/+n..gamma..+..nu../sub tau/) = (1.3 +- 0 .4) x 10/sup -3/. Five of the events contain photons which are consistent with coming from a single ..pi../sup 0/. With this interpretation we measure B(tau..-->..5..pi.. +- +..nu../sub tau/), B(tau..-->..5..pi../sup + -/+..pi../sup 0/+..nu../sub tau/) = (6.7 +- 3.0) x 10/sup -4/. The branching-ratio upper limit for the decay mode tau..-->..K/sup 0/+3..pi../sup + -/n..gamma..+..nu../sub tau/ is found, at 90% confidence level, to be 2.7 x 10/sup -3/. |
| doi_str_mv | 10.1103/PhysRevLett.54.1775 |
| format | Article |
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Ten events are observed in the high-resolution spectrometer giving a branching ratio of B(tau..-->..5..pi../sup + -/+n..gamma..+..nu../sub tau/) = (1.3 +- 0 .4) x 10/sup -3/. Five of the events contain photons which are consistent with coming from a single ..pi../sup 0/. With this interpretation we measure B(tau..-->..5..pi.. +- +..nu../sub tau/), B(tau..-->..5..pi../sup + -/+..pi../sup 0/+..nu../sub tau/) = (6.7 +- 3.0) x 10/sup -4/. The branching-ratio upper limit for the decay mode tau..-->..K/sup 0/+3..pi../sup + -/n..gamma..+..nu../sub tau/ is found, at 90% confidence level, to be 2.7 x 10/sup -3/.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.54.1775</identifier><identifier>PMID: 10031137</identifier><language>eng</language><publisher>United States</publisher><subject>645102 - High Energy Physics- Particle Interactions & Properties-Experimental- Weak Interactions & Properties ; BOSONS ; BRANCHING RATIO ; DECAY ; ELECTRON-POSITRON INTERACTIONS ; ELEMENTARY PARTICLES ; ENERGY RANGE ; FERMIONS ; GEV RANGE ; GEV RANGE 10-100 ; HADRONS ; HEAVY LEPTONS ; INTERACTIONS ; LEPTON-LEPTON INTERACTIONS ; LEPTONS ; MASSLESS PARTICLES ; MATRIX ELEMENTS ; MESONS ; NEUTRINOS ; PAIR PRODUCTION ; PARTICLE INTERACTIONS ; PARTICLE PRODUCTION ; PEP STORAGE RINGS ; PHOTONS ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; PIONS ; POSTULATED PARTICLES ; PSEUDOSCALAR MESONS ; STORAGE RINGS ; TAU PARTICLES</subject><ispartof>Phys. 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Rev. Lett.; (United States)</title><addtitle>Phys Rev Lett</addtitle><description>The production of tau-lepton pairs in e/sup +/e/sup -/ collisions at 29 GeV has been used to study the inclusive tau decay into five charged particles. Ten events are observed in the high-resolution spectrometer giving a branching ratio of B(tau..-->..5..pi../sup + -/+n..gamma..+..nu../sub tau/) = (1.3 +- 0 .4) x 10/sup -3/. Five of the events contain photons which are consistent with coming from a single ..pi../sup 0/. With this interpretation we measure B(tau..-->..5..pi.. +- +..nu../sub tau/), B(tau..-->..5..pi../sup + -/+..pi../sup 0/+..nu../sub tau/) = (6.7 +- 3.0) x 10/sup -4/. The branching-ratio upper limit for the decay mode tau..-->..K/sup 0/+3..pi../sup + -/n..gamma..+..nu../sub tau/ is found, at 90% confidence level, to be 2.7 x 10/sup -3/.</description><subject>645102 - High Energy Physics- Particle Interactions & Properties-Experimental- Weak Interactions & Properties</subject><subject>BOSONS</subject><subject>BRANCHING RATIO</subject><subject>DECAY</subject><subject>ELECTRON-POSITRON INTERACTIONS</subject><subject>ELEMENTARY PARTICLES</subject><subject>ENERGY RANGE</subject><subject>FERMIONS</subject><subject>GEV RANGE</subject><subject>GEV RANGE 10-100</subject><subject>HADRONS</subject><subject>HEAVY LEPTONS</subject><subject>INTERACTIONS</subject><subject>LEPTON-LEPTON INTERACTIONS</subject><subject>LEPTONS</subject><subject>MASSLESS PARTICLES</subject><subject>MATRIX ELEMENTS</subject><subject>MESONS</subject><subject>NEUTRINOS</subject><subject>PAIR PRODUCTION</subject><subject>PARTICLE INTERACTIONS</subject><subject>PARTICLE PRODUCTION</subject><subject>PEP STORAGE RINGS</subject><subject>PHOTONS</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>PIONS</subject><subject>POSTULATED PARTICLES</subject><subject>PSEUDOSCALAR MESONS</subject><subject>STORAGE RINGS</subject><subject>TAU PARTICLES</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1985</creationdate><recordtype>article</recordtype><recordid>eNpNkEtLw0AQgBdRbK3-AkGCJy-pM9nd7K43Kb6gUBE9L8l21kbSpmY3hf57U9KDp2GYb14fY9cIU0Tg9--rffig3ZxinEoxRaXkCRsjKJMqRHHKxgAcUwOgRuwihB8AwCzX52yEhwpyNWYPizJQuyti1WySxiex6JK0pm3s0yW5Yp_EJvHVjhK3KtpvWibboo2VqylcsjNf1IGujnHCvp6fPmev6Xzx8jZ7nKeuP0mlyqDK0Wtjcu4dlEKhzksgwY0hkrnkXCAJBai9F9pnUvrclZAB6Dwzhk_Y7TC3CbGywVWR3Mo1mw25aKXqf9W8h-4GaNs2vx2FaNdVcFTXxYaaLljU0mSghVQ9ygfUtU0ILXm7bat10e4tgj2Ytf_MWinswWzfdXNc0JVrWv7rGVTyPy9_dBg</recordid><startdate>19850422</startdate><enddate>19850422</enddate><creator>Beltrami, I, I</creator><creator>Bylsma, BG</creator><creator>DeBonte, R</creator><creator>Gan, KK</creator><creator>Koltick, D</creator><creator>Loeffler, FJ</creator><creator>Low, EH</creator><creator>McIlwain, RL</creator><creator>Miller, DH</creator><creator>Ng, CR</creator><creator>Ong, PP</creator><creator>Rangan, LK</creator><creator>Shibata, EI</creator><creator>Wilson, RJ</creator><creator>Derrick, M</creator><creator>Fernandez, E</creator><creator>Fries, R</creator><creator>Hyman, L</creator><creator>Kooijman, P</creator><creator>Loos, JS</creator><creator>Musgrave, B</creator><creator>Price, LE</creator><creator>Schlereth, J</creator><creator>Sugano, K</creator><creator>Weiss, JM</creator><creator>Wood, DE</creator><creator>Baranko, G</creator><creator>Baringer, P</creator><creator>Blockus, D</creator><creator>Brabson, B</creator><creator>Forden, GE</creator><creator>Gray, SW</creator><creator>Jung, C</creator><creator>Neal, H</creator><creator>Ogren, H</creator><creator>Rust, DR</creator><creator>Valdata-Nappi, M</creator><creator>Akerlof, C</creator><creator>Bonvicini, G</creator><creator>Chapman, J</creator><creator>Errede, D</creator><creator>Harnew, N</creator><creator>Kesten, P</creator><creator>Kooijman, S</creator><creator>Meyer, DI</creator><creator>Nitz, D</creator><creator>Rubin, D</creator><creator>Seidl, AA</creator><creator>Thun, R</creator><creator>Trinko, T</creator><creator>Willutzky, W</creator><creator>Cork, B</creator><creator>Keller, L</creator><creator>Va'Vra, J</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>19850422</creationdate><title>Observation of tau -lepton decay to five charged particles</title><author>Beltrami, I, I ; Bylsma, BG ; DeBonte, R ; Gan, KK ; Koltick, D ; Loeffler, FJ ; Low, EH ; McIlwain, RL ; Miller, DH ; Ng, CR ; Ong, PP ; Rangan, LK ; Shibata, EI ; Wilson, RJ ; Derrick, M ; Fernandez, E ; Fries, R ; Hyman, L ; Kooijman, P ; Loos, JS ; Musgrave, B ; Price, LE ; Schlereth, J ; Sugano, K ; Weiss, JM ; Wood, DE ; Baranko, G ; Baringer, P ; Blockus, D ; Brabson, B ; Forden, GE ; Gray, SW ; Jung, C ; Neal, H ; Ogren, H ; Rust, DR ; Valdata-Nappi, M ; Akerlof, C ; Bonvicini, G ; Chapman, J ; Errede, D ; Harnew, N ; Kesten, P ; Kooijman, S ; Meyer, DI ; Nitz, D ; Rubin, D ; Seidl, AA ; Thun, R ; Trinko, T ; Willutzky, W ; Cork, B ; Keller, L ; Va'Vra, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1777-791761f89963fc0b47186b0e4399ee5653341e47018ff48f255f6cb0200862993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1985</creationdate><topic>645102 - High Energy Physics- Particle Interactions & Properties-Experimental- Weak Interactions & Properties</topic><topic>BOSONS</topic><topic>BRANCHING RATIO</topic><topic>DECAY</topic><topic>ELECTRON-POSITRON INTERACTIONS</topic><topic>ELEMENTARY PARTICLES</topic><topic>ENERGY RANGE</topic><topic>FERMIONS</topic><topic>GEV RANGE</topic><topic>GEV RANGE 10-100</topic><topic>HADRONS</topic><topic>HEAVY LEPTONS</topic><topic>INTERACTIONS</topic><topic>LEPTON-LEPTON INTERACTIONS</topic><topic>LEPTONS</topic><topic>MASSLESS PARTICLES</topic><topic>MATRIX ELEMENTS</topic><topic>MESONS</topic><topic>NEUTRINOS</topic><topic>PAIR PRODUCTION</topic><topic>PARTICLE INTERACTIONS</topic><topic>PARTICLE PRODUCTION</topic><topic>PEP STORAGE RINGS</topic><topic>PHOTONS</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>PIONS</topic><topic>POSTULATED PARTICLES</topic><topic>PSEUDOSCALAR MESONS</topic><topic>STORAGE RINGS</topic><topic>TAU PARTICLES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Beltrami, I, I</creatorcontrib><creatorcontrib>Bylsma, BG</creatorcontrib><creatorcontrib>DeBonte, R</creatorcontrib><creatorcontrib>Gan, KK</creatorcontrib><creatorcontrib>Koltick, D</creatorcontrib><creatorcontrib>Loeffler, FJ</creatorcontrib><creatorcontrib>Low, EH</creatorcontrib><creatorcontrib>McIlwain, RL</creatorcontrib><creatorcontrib>Miller, DH</creatorcontrib><creatorcontrib>Ng, CR</creatorcontrib><creatorcontrib>Ong, PP</creatorcontrib><creatorcontrib>Rangan, LK</creatorcontrib><creatorcontrib>Shibata, EI</creatorcontrib><creatorcontrib>Wilson, RJ</creatorcontrib><creatorcontrib>Derrick, M</creatorcontrib><creatorcontrib>Fernandez, E</creatorcontrib><creatorcontrib>Fries, R</creatorcontrib><creatorcontrib>Hyman, L</creatorcontrib><creatorcontrib>Kooijman, P</creatorcontrib><creatorcontrib>Loos, JS</creatorcontrib><creatorcontrib>Musgrave, B</creatorcontrib><creatorcontrib>Price, LE</creatorcontrib><creatorcontrib>Schlereth, J</creatorcontrib><creatorcontrib>Sugano, K</creatorcontrib><creatorcontrib>Weiss, JM</creatorcontrib><creatorcontrib>Wood, DE</creatorcontrib><creatorcontrib>Baranko, G</creatorcontrib><creatorcontrib>Baringer, P</creatorcontrib><creatorcontrib>Blockus, D</creatorcontrib><creatorcontrib>Brabson, B</creatorcontrib><creatorcontrib>Forden, GE</creatorcontrib><creatorcontrib>Gray, SW</creatorcontrib><creatorcontrib>Jung, C</creatorcontrib><creatorcontrib>Neal, H</creatorcontrib><creatorcontrib>Ogren, H</creatorcontrib><creatorcontrib>Rust, DR</creatorcontrib><creatorcontrib>Valdata-Nappi, M</creatorcontrib><creatorcontrib>Akerlof, C</creatorcontrib><creatorcontrib>Bonvicini, G</creatorcontrib><creatorcontrib>Chapman, J</creatorcontrib><creatorcontrib>Errede, D</creatorcontrib><creatorcontrib>Harnew, N</creatorcontrib><creatorcontrib>Kesten, P</creatorcontrib><creatorcontrib>Kooijman, S</creatorcontrib><creatorcontrib>Meyer, DI</creatorcontrib><creatorcontrib>Nitz, D</creatorcontrib><creatorcontrib>Rubin, D</creatorcontrib><creatorcontrib>Seidl, AA</creatorcontrib><creatorcontrib>Thun, R</creatorcontrib><creatorcontrib>Trinko, T</creatorcontrib><creatorcontrib>Willutzky, W</creatorcontrib><creatorcontrib>Cork, B</creatorcontrib><creatorcontrib>Keller, L</creatorcontrib><creatorcontrib>Va'Vra, J</creatorcontrib><creatorcontrib>Purdue University, West Lafayette, Indiana 47907</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Phys. 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Rev. Lett.; (United States)</jtitle><addtitle>Phys Rev Lett</addtitle><date>1985-04-22</date><risdate>1985</risdate><volume>54</volume><issue>16</issue><spage>1775</spage><epage>1778</epage><pages>1775-1778</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>The production of tau-lepton pairs in e/sup +/e/sup -/ collisions at 29 GeV has been used to study the inclusive tau decay into five charged particles. Ten events are observed in the high-resolution spectrometer giving a branching ratio of B(tau..-->..5..pi../sup + -/+n..gamma..+..nu../sub tau/) = (1.3 +- 0 .4) x 10/sup -3/. Five of the events contain photons which are consistent with coming from a single ..pi../sup 0/. With this interpretation we measure B(tau..-->..5..pi.. +- +..nu../sub tau/), B(tau..-->..5..pi../sup + -/+..pi../sup 0/+..nu../sub tau/) = (6.7 +- 3.0) x 10/sup -4/. The branching-ratio upper limit for the decay mode tau..-->..K/sup 0/+3..pi../sup + -/n..gamma..+..nu../sub tau/ is found, at 90% confidence level, to be 2.7 x 10/sup -3/.</abstract><cop>United States</cop><pmid>10031137</pmid><doi>10.1103/PhysRevLett.54.1775</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0031-9007 |
| ispartof | Phys. Rev. Lett.; (United States), 1985-04, Vol.54 (16), p.1775-1778 |
| issn | 0031-9007 1079-7114 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1859208457 |
| source | American Physical Society Journals |
| subjects | 645102 - High Energy Physics- Particle Interactions & Properties-Experimental- Weak Interactions & Properties BOSONS BRANCHING RATIO DECAY ELECTRON-POSITRON INTERACTIONS ELEMENTARY PARTICLES ENERGY RANGE FERMIONS GEV RANGE GEV RANGE 10-100 HADRONS HEAVY LEPTONS INTERACTIONS LEPTON-LEPTON INTERACTIONS LEPTONS MASSLESS PARTICLES MATRIX ELEMENTS MESONS NEUTRINOS PAIR PRODUCTION PARTICLE INTERACTIONS PARTICLE PRODUCTION PEP STORAGE RINGS PHOTONS PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PIONS POSTULATED PARTICLES PSEUDOSCALAR MESONS STORAGE RINGS TAU PARTICLES |
| title | Observation of tau -lepton decay to five charged particles |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-27T11%3A13%3A36IST&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%20tau%20-lepton%20decay%20to%20five%20charged%20particles&rft.jtitle=Phys.%20Rev.%20Lett.;%20(United%20States)&rft.au=Beltrami,%20I,%20I&rft.aucorp=Purdue%20University,%20West%20Lafayette,%20Indiana%2047907&rft.date=1985-04-22&rft.volume=54&rft.issue=16&rft.spage=1775&rft.epage=1778&rft.pages=1775-1778&rft.issn=0031-9007&rft.eissn=1079-7114&rft_id=info:doi/10.1103/PhysRevLett.54.1775&rft_dat=%3Cproquest_osti_%3E1859208457%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=1859208457&rft_id=info:pmid/10031137&rfr_iscdi=true |