Electroweak tests with τ leptons at LEP
Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the wea...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kumar, Krishna S [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1993 |
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| Schlagwörter: |
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| Anmerkung: |
© Indian Academy of Sciences 1993 |
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| Übergeordnetes Werk: |
Enthalten in: Pramāna - Springer India, 1973, 41(1993), Suppl 1 vom: Juli, Seite 45-53 |
|---|---|
| Übergeordnetes Werk: |
volume:41 ; year:1993 ; number:Suppl 1 ; month:07 ; pages:45-53 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF02908075 |
|---|
| Katalog-ID: |
OLC2076024018 |
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| 520 | |a Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. From measurement of the τ lifetime and the τ leptonic branching ratios, the ratio of the coupling constants describing weak leptonic decays of the τ and the μ is measured to beGτ/Gμ=0.996±0.008. | ||
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10.1007/BF02908075 doi (DE-627)OLC2076024018 (DE-He213)BF02908075-p DE-627 ger DE-627 rakwb eng 530 VZ Kumar, Krishna S verfasserin aut Electroweak tests with τ leptons at LEP 1993 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 1993 Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. From measurement of the τ lifetime and the τ leptonic branching ratios, the ratio of the coupling constants describing weak leptonic decays of the τ and the μ is measured to beGτ/Gμ=0.996±0.008. Supplement Issue Weak Neutral Current Final State Radiation Lepton Universality Decay Angular Distribution Enthalten in Pramāna Springer India, 1973 41(1993), Suppl 1 vom: Juli, Seite 45-53 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:41 year:1993 number:Suppl 1 month:07 pages:45-53 https://doi.org/10.1007/BF02908075 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_40 GBV_ILN_70 GBV_ILN_179 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4036 AR 41 1993 Suppl 1 07 45-53 |
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10.1007/BF02908075 doi (DE-627)OLC2076024018 (DE-He213)BF02908075-p DE-627 ger DE-627 rakwb eng 530 VZ Kumar, Krishna S verfasserin aut Electroweak tests with τ leptons at LEP 1993 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 1993 Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. From measurement of the τ lifetime and the τ leptonic branching ratios, the ratio of the coupling constants describing weak leptonic decays of the τ and the μ is measured to beGτ/Gμ=0.996±0.008. Supplement Issue Weak Neutral Current Final State Radiation Lepton Universality Decay Angular Distribution Enthalten in Pramāna Springer India, 1973 41(1993), Suppl 1 vom: Juli, Seite 45-53 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:41 year:1993 number:Suppl 1 month:07 pages:45-53 https://doi.org/10.1007/BF02908075 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_40 GBV_ILN_70 GBV_ILN_179 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4036 AR 41 1993 Suppl 1 07 45-53 |
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10.1007/BF02908075 doi (DE-627)OLC2076024018 (DE-He213)BF02908075-p DE-627 ger DE-627 rakwb eng 530 VZ Kumar, Krishna S verfasserin aut Electroweak tests with τ leptons at LEP 1993 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 1993 Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. From measurement of the τ lifetime and the τ leptonic branching ratios, the ratio of the coupling constants describing weak leptonic decays of the τ and the μ is measured to beGτ/Gμ=0.996±0.008. Supplement Issue Weak Neutral Current Final State Radiation Lepton Universality Decay Angular Distribution Enthalten in Pramāna Springer India, 1973 41(1993), Suppl 1 vom: Juli, Seite 45-53 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:41 year:1993 number:Suppl 1 month:07 pages:45-53 https://doi.org/10.1007/BF02908075 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_40 GBV_ILN_70 GBV_ILN_179 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4036 AR 41 1993 Suppl 1 07 45-53 |
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10.1007/BF02908075 doi (DE-627)OLC2076024018 (DE-He213)BF02908075-p DE-627 ger DE-627 rakwb eng 530 VZ Kumar, Krishna S verfasserin aut Electroweak tests with τ leptons at LEP 1993 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 1993 Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. From measurement of the τ lifetime and the τ leptonic branching ratios, the ratio of the coupling constants describing weak leptonic decays of the τ and the μ is measured to beGτ/Gμ=0.996±0.008. Supplement Issue Weak Neutral Current Final State Radiation Lepton Universality Decay Angular Distribution Enthalten in Pramāna Springer India, 1973 41(1993), Suppl 1 vom: Juli, Seite 45-53 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:41 year:1993 number:Suppl 1 month:07 pages:45-53 https://doi.org/10.1007/BF02908075 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_40 GBV_ILN_70 GBV_ILN_179 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4036 AR 41 1993 Suppl 1 07 45-53 |
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10.1007/BF02908075 doi (DE-627)OLC2076024018 (DE-He213)BF02908075-p DE-627 ger DE-627 rakwb eng 530 VZ Kumar, Krishna S verfasserin aut Electroweak tests with τ leptons at LEP 1993 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 1993 Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. From measurement of the τ lifetime and the τ leptonic branching ratios, the ratio of the coupling constants describing weak leptonic decays of the τ and the μ is measured to beGτ/Gμ=0.996±0.008. Supplement Issue Weak Neutral Current Final State Radiation Lepton Universality Decay Angular Distribution Enthalten in Pramāna Springer India, 1973 41(1993), Suppl 1 vom: Juli, Seite 45-53 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:41 year:1993 number:Suppl 1 month:07 pages:45-53 https://doi.org/10.1007/BF02908075 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_40 GBV_ILN_70 GBV_ILN_179 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4036 AR 41 1993 Suppl 1 07 45-53 |
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Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. From measurement of the τ lifetime and the τ leptonic branching ratios, the ratio of the coupling constants describing weak leptonic decays of the τ and the μ is measured to beGτ/Gμ=0.996±0.008. © Indian Academy of Sciences 1993 |
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Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. From measurement of the τ lifetime and the τ leptonic branching ratios, the ratio of the coupling constants describing weak leptonic decays of the τ and the μ is measured to beGτ/Gμ=0.996±0.008. © Indian Academy of Sciences 1993 |
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Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. From measurement of the τ lifetime and the τ leptonic branching ratios, the ratio of the coupling constants describing weak leptonic decays of the τ and the μ is measured to beGτ/Gμ=0.996±0.008. © Indian Academy of Sciences 1993 |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">OLC2076024018</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230402042455.0</controlfield><controlfield tag="007">tu</controlfield><controlfield tag="008">200820s1993 xx ||||| 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/BF02908075</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)OLC2076024018</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-He213)BF02908075-p</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">530</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Kumar, Krishna S</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Electroweak tests with τ leptons at LEP</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1993</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© Indian Academy of Sciences 1993</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract We report on two sensitive tests of lepton universality carried out by the 4 LEP experiments at the $ Z^{0} $ pole. From measurements of the τ polarization in $ e^{+} $ $ e^{−} $→τ+τ−, the ratios of the vector and axial vector coupling constants of the electron and the tau lepton to the weak neutral current are obtained to begve/gae=0.066±0.015 andgVτ/gAτ=0.070±0.009 respectively. 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