Tau-lepton production and decay at Petra energies

W. Bartel; L. Becker; D. Cords; R. Felst; D. Haidt; G. Knies; H. Krehbiel; P. Laurikainen; N. Magnussen; R. Meinke; B. Naroska; J. Olsson; D. Schmidt; P. Steffen; G. Dietrich; J. Hagemann; G. Heinzelmann; H. Kado; K. Kawagoe; C. Kleinwort; M. Kuhlen; A. Petersen; R. Ramcke; U. Schneekloth; G. Weber; K. Ambrus; S. Bethke; A. Dieckmann; E. Elsen; J. Heintze; K. H. Hellenbrand; S. Komamiya; J. Von Krogh; P. Lennert; H. Matsumura; H. Rieseberg; J. Spitzer; A. Wagner; C. K. Bowdery; A. J. Finch; F. Foster; G. Hughes; J. M. Nye; J. Allison; A. H. Ball; R. J. Barlow; J. Chrin; I. P. Duerdoth; T. Greenshaw; P. Hill; F. K. Loebinger; A. A. Macbeth; H. McCann; H. E. Mills; P. G. Murphy; K. Stephens; P. Warming; R. G. Glasser; J. A.J. Skard; S. R. Wagner; G. T. Zorn; S. L. Cartwright; D. Clarke; R. Marshall; R. P. Middleton; T. Kawamoto; T. Kobayashi; H. Takeda; M. Nozaki; T. Takeshita; S. Yamada

doi:10.1016/0370-2693(85)90634-3

Tau-lepton production and decay at Petra energies

W. Bartel, L. Becker, D. Cords, R. Felst, D. Haidt, G. Knies, H. Krehbiel, P. Laurikainen, N. Magnussen, R. Meinke, B. Naroska, J. Olsson, D. Schmidt, P. Steffen, G. Dietrich, J. Hagemann, G. Heinzelmann, H. Kado, K. Kawagoe, C. KleinwortM. Kuhlen, A. Petersen, R. Ramcke, U. Schneekloth, G. Weber, K. Ambrus, S. Bethke, A. Dieckmann, E. Elsen, J. Heintze, K. H. Hellenbrand, S. Komamiya, J. Von Krogh, P. Lennert, H. Matsumura, H. Rieseberg, J. Spitzer, A. Wagner, C. K. Bowdery, A. J. Finch, F. Foster, G. Hughes, J. M. Nye, J. Allison, A. H. Ball, R. J. Barlow, J. Chrin, I. P. Duerdoth, T. Greenshaw, P. Hill, F. K. Loebinger, A. A. Macbeth, H. McCann, H. E. Mills, P. G. Murphy, K. Stephens, P. Warming, R. G. Glasser, J. A.J. Skard, S. R. Wagner, G. T. Zorn, S. L. Cartwright, D. Clarke, R. Marshall, R. P. Middleton, T. Kawamoto, T. Kobayashi, H. Takeda, M. Nozaki, T. Takeshita, S. Yamada

研究成果: Article › 査読

19 被引用数 (Scopus)

抄録

The production and decay of τ-pairs was studied with the JADE detector at PETRA at center-of-mass energies of 30 ≤√s ≤ 46.78 GeV. The total production cross section for τ-pairs agreed with QED predictions to order α³. Lower limits on QED cut-off parameters of Λ₊ > 285 GeV and Λ_- > 210 GeV at 95% confidence level were ontained. The decay branching fractions into one and three charged particles were determined to be (86.1 ± 0.5 ± 0.9)% and (13.6±0.5 ±0.80)%. In the angular distributions a forward-backward asymmetry was observed, from which the axial-vector weak charge to the τ was determined to be a_τ = -0.74 ± 0.22 in agreement with the standard model. An analysis of the process e⁺e^- → τ⁺τ^-γ showed agreement with QED calculations to O(α³).

本文言語	English
ページ（範囲）	188-196
ページ数	9
ジャーナル	Physics Letters B
巻	161
号	1-3
DOI	https://doi.org/10.1016/0370-2693(85)90634-3
出版ステータス	Published - 1985 10 24
外部発表	はい

ASJC Scopus subject areas

Nuclear and High Energy Physics

文献へのアクセス

10.1016/0370-2693(85)90634-3

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引用スタイル

Bartel, W., Becker, L., Cords, D., Felst, R., Haidt, D., Knies, G., Krehbiel, H., Laurikainen, P., Magnussen, N., Meinke, R., Naroska, B., Olsson, J., Schmidt, D., Steffen, P., Dietrich, G., Hagemann, J., Heinzelmann, G., Kado, H., Kawagoe, K., ... Yamada, S. (1985). Tau-lepton production and decay at Petra energies. Physics Letters B, 161(1-3), 188-196. https://doi.org/10.1016/0370-2693(85)90634-3

Tau-lepton production and decay at Petra energies. / Bartel, W.; Becker, L.; Cords, D.; Felst, R.; Haidt, D.; Knies, G.; Krehbiel, H.; Laurikainen, P.; Magnussen, N.; Meinke, R.; Naroska, B.; Olsson, J.; Schmidt, D.; Steffen, P.; Dietrich, G.; Hagemann, J.; Heinzelmann, G.; Kado, H.; Kawagoe, K.; Kleinwort, C.; Kuhlen, M.; Petersen, A.; Ramcke, R.; Schneekloth, U.; Weber, G.; Ambrus, K.; Bethke, S.; Dieckmann, A.; Elsen, E.; Heintze, J.; Hellenbrand, K. H.; Komamiya, S.; Von Krogh, J.; Lennert, P.; Matsumura, H.; Rieseberg, H.; Spitzer, J.; Wagner, A.; Bowdery, C. K.; Finch, A. J.; Foster, F.; Hughes, G.; Nye, J. M.; Allison, J.; Ball, A. H.; Barlow, R. J.; Chrin, J.; Duerdoth, I. P.; Greenshaw, T.; Hill, P.; Loebinger, F. K.; Macbeth, A. A.; McCann, H.; Mills, H. E.; Murphy, P. G.; Stephens, K.; Warming, P.; Glasser, R. G.; Skard, J. A.J.; Wagner, S. R.; Zorn, G. T.; Cartwright, S. L.; Clarke, D.; Marshall, R.; Middleton, R. P.; Kawamoto, T.; Kobayashi, T.; Takeda, H.; Nozaki, M.; Takeshita, T.; Yamada, S.

In: Physics Letters B, Vol. 161, No. 1-3, 24.10.1985, p. 188-196.

研究成果: Article › 査読

Bartel, W, Becker, L, Cords, D, Felst, R, Haidt, D, Knies, G, Krehbiel, H, Laurikainen, P, Magnussen, N, Meinke, R, Naroska, B, Olsson, J, Schmidt, D, Steffen, P, Dietrich, G, Hagemann, J, Heinzelmann, G, Kado, H, Kawagoe, K, Kleinwort, C, Kuhlen, M, Petersen, A, Ramcke, R, Schneekloth, U, Weber, G, Ambrus, K, Bethke, S, Dieckmann, A, Elsen, E, Heintze, J, Hellenbrand, KH, Komamiya, S, Von Krogh, J, Lennert, P, Matsumura, H, Rieseberg, H, Spitzer, J, Wagner, A, Bowdery, CK, Finch, AJ, Foster, F, Hughes, G, Nye, JM, Allison, J, Ball, AH, Barlow, RJ, Chrin, J, Duerdoth, IP, Greenshaw, T, Hill, P, Loebinger, FK, Macbeth, AA, McCann, H, Mills, HE, Murphy, PG, Stephens, K, Warming, P, Glasser, RG, Skard, JAJ, Wagner, SR, Zorn, GT, Cartwright, SL, Clarke, D, Marshall, R, Middleton, RP, Kawamoto, T, Kobayashi, T, Takeda, H, Nozaki, M, Takeshita, T & Yamada, S 1985, 'Tau-lepton production and decay at Petra energies', Physics Letters B, vol. 161, no. 1-3, pp. 188-196. https://doi.org/10.1016/0370-2693(85)90634-3

Bartel, W. ; Becker, L. ; Cords, D. ; Felst, R. ; Haidt, D. ; Knies, G. ; Krehbiel, H. ; Laurikainen, P. ; Magnussen, N. ; Meinke, R. ; Naroska, B. ; Olsson, J. ; Schmidt, D. ; Steffen, P. ; Dietrich, G. ; Hagemann, J. ; Heinzelmann, G. ; Kado, H. ; Kawagoe, K. ; Kleinwort, C. ; Kuhlen, M. ; Petersen, A. ; Ramcke, R. ; Schneekloth, U. ; Weber, G. ; Ambrus, K. ; Bethke, S. ; Dieckmann, A. ; Elsen, E. ; Heintze, J. ; Hellenbrand, K. H. ; Komamiya, S. ; Von Krogh, J. ; Lennert, P. ; Matsumura, H. ; Rieseberg, H. ; Spitzer, J. ; Wagner, A. ; Bowdery, C. K. ; Finch, A. J. ; Foster, F. ; Hughes, G. ; Nye, J. M. ; Allison, J. ; Ball, A. H. ; Barlow, R. J. ; Chrin, J. ; Duerdoth, I. P. ; Greenshaw, T. ; Hill, P. ; Loebinger, F. K. ; Macbeth, A. A. ; McCann, H. ; Mills, H. E. ; Murphy, P. G. ; Stephens, K. ; Warming, P. ; Glasser, R. G. ; Skard, J. A.J. ; Wagner, S. R. ; Zorn, G. T. ; Cartwright, S. L. ; Clarke, D. ; Marshall, R. ; Middleton, R. P. ; Kawamoto, T. ; Kobayashi, T. ; Takeda, H. ; Nozaki, M. ; Takeshita, T. ; Yamada, S. / Tau-lepton production and decay at Petra energies. In: Physics Letters B. 1985 ; Vol. 161, No. 1-3. pp. 188-196.

@article{673bcee14a2a440c8903c26adcbae58d,

title = "Tau-lepton production and decay at Petra energies",

abstract = "The production and decay of τ-pairs was studied with the JADE detector at PETRA at center-of-mass energies of 30 ≤√s ≤ 46.78 GeV. The total production cross section for τ-pairs agreed with QED predictions to order α3. Lower limits on QED cut-off parameters of Λ+ > 285 GeV and Λ- > 210 GeV at 95% confidence level were ontained. The decay branching fractions into one and three charged particles were determined to be (86.1 ± 0.5 ± 0.9)% and (13.6±0.5 ±0.80)%. In the angular distributions a forward-backward asymmetry was observed, from which the axial-vector weak charge to the τ was determined to be aτ = -0.74 ± 0.22 in agreement with the standard model. An analysis of the process e+e- → τ+τ-γ showed agreement with QED calculations to O(α3).",

author = "W. Bartel and L. Becker and D. Cords and R. Felst and D. Haidt and G. Knies and H. Krehbiel and P. Laurikainen and N. Magnussen and R. Meinke and B. Naroska and J. Olsson and D. Schmidt and P. Steffen and G. Dietrich and J. Hagemann and G. Heinzelmann and H. Kado and K. Kawagoe and C. Kleinwort and M. Kuhlen and A. Petersen and R. Ramcke and U. Schneekloth and G. Weber and K. Ambrus and S. Bethke and A. Dieckmann and E. Elsen and J. Heintze and Hellenbrand, {K. H.} and S. Komamiya and {Von Krogh}, J. and P. Lennert and H. Matsumura and H. Rieseberg and J. Spitzer and A. Wagner and Bowdery, {C. K.} and Finch, {A. J.} and F. Foster and G. Hughes and Nye, {J. M.} and J. Allison and Ball, {A. H.} and Barlow, {R. J.} and J. Chrin and Duerdoth, {I. P.} and T. Greenshaw and P. Hill and Loebinger, {F. K.} and Macbeth, {A. A.} and H. McCann and Mills, {H. E.} and Murphy, {P. G.} and K. Stephens and P. Warming and Glasser, {R. G.} and Skard, {J. A.J.} and Wagner, {S. R.} and Zorn, {G. T.} and Cartwright, {S. L.} and D. Clarke and R. Marshall and Middleton, {R. P.} and T. Kawamoto and T. Kobayashi and H. Takeda and M. Nozaki and T. Takeshita and S. Yamada",

note = "Funding Information: We are indebted to the PETRA machine group and the DESY computer centre staff for their excellent support during the experiment and to all the engineers and technicians of the collaborating institutions who have participated in the construction and maintenance of the apparatus. This experiment was supported by the Bundesministerium for Forschung und Technologic, by the Japanese Ministry of Education, Science and Culture, by the UK Science and Engineering Research Council through the Rutherford Appleton Copyright: Copyright 2014 Elsevier B.V., All rights reserved.",

year = "1985",

month = oct,

day = "24",

doi = "10.1016/0370-2693(85)90634-3",

language = "English",

volume = "161",

pages = "188--196",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "1-3",

}

TY - JOUR

T1 - Tau-lepton production and decay at Petra energies

AU - Bartel, W.

AU - Becker, L.

AU - Cords, D.

AU - Felst, R.

AU - Haidt, D.

AU - Knies, G.

AU - Krehbiel, H.

AU - Laurikainen, P.

AU - Magnussen, N.

AU - Meinke, R.

AU - Naroska, B.

AU - Olsson, J.

AU - Schmidt, D.

AU - Steffen, P.

AU - Dietrich, G.

AU - Hagemann, J.

AU - Heinzelmann, G.

AU - Kado, H.

AU - Kawagoe, K.

AU - Kleinwort, C.

AU - Kuhlen, M.

AU - Petersen, A.

AU - Ramcke, R.

AU - Schneekloth, U.

AU - Weber, G.

AU - Ambrus, K.

AU - Bethke, S.

AU - Dieckmann, A.

AU - Elsen, E.

AU - Heintze, J.

AU - Hellenbrand, K. H.

AU - Komamiya, S.

AU - Von Krogh, J.

AU - Lennert, P.

AU - Matsumura, H.

AU - Rieseberg, H.

AU - Spitzer, J.

AU - Wagner, A.

AU - Bowdery, C. K.

AU - Finch, A. J.

AU - Foster, F.

AU - Hughes, G.

AU - Nye, J. M.

AU - Allison, J.

AU - Ball, A. H.

AU - Barlow, R. J.

AU - Chrin, J.

AU - Duerdoth, I. P.

AU - Greenshaw, T.

AU - Hill, P.

AU - Loebinger, F. K.

AU - Macbeth, A. A.

AU - McCann, H.

AU - Mills, H. E.

AU - Murphy, P. G.

AU - Stephens, K.

AU - Warming, P.

AU - Glasser, R. G.

AU - Skard, J. A.J.

AU - Wagner, S. R.

AU - Zorn, G. T.

AU - Cartwright, S. L.

AU - Clarke, D.

AU - Marshall, R.

AU - Middleton, R. P.

AU - Kawamoto, T.

AU - Kobayashi, T.

AU - Takeda, H.

AU - Nozaki, M.

AU - Takeshita, T.

AU - Yamada, S.

N1 - Funding Information: We are indebted to the PETRA machine group and the DESY computer centre staff for their excellent support during the experiment and to all the engineers and technicians of the collaborating institutions who have participated in the construction and maintenance of the apparatus. This experiment was supported by the Bundesministerium for Forschung und Technologic, by the Japanese Ministry of Education, Science and Culture, by the UK Science and Engineering Research Council through the Rutherford Appleton Copyright: Copyright 2014 Elsevier B.V., All rights reserved.

PY - 1985/10/24

Y1 - 1985/10/24

N2 - The production and decay of τ-pairs was studied with the JADE detector at PETRA at center-of-mass energies of 30 ≤√s ≤ 46.78 GeV. The total production cross section for τ-pairs agreed with QED predictions to order α3. Lower limits on QED cut-off parameters of Λ+ > 285 GeV and Λ- > 210 GeV at 95% confidence level were ontained. The decay branching fractions into one and three charged particles were determined to be (86.1 ± 0.5 ± 0.9)% and (13.6±0.5 ±0.80)%. In the angular distributions a forward-backward asymmetry was observed, from which the axial-vector weak charge to the τ was determined to be aτ = -0.74 ± 0.22 in agreement with the standard model. An analysis of the process e+e- → τ+τ-γ showed agreement with QED calculations to O(α3).

AB - The production and decay of τ-pairs was studied with the JADE detector at PETRA at center-of-mass energies of 30 ≤√s ≤ 46.78 GeV. The total production cross section for τ-pairs agreed with QED predictions to order α3. Lower limits on QED cut-off parameters of Λ+ > 285 GeV and Λ- > 210 GeV at 95% confidence level were ontained. The decay branching fractions into one and three charged particles were determined to be (86.1 ± 0.5 ± 0.9)% and (13.6±0.5 ±0.80)%. In the angular distributions a forward-backward asymmetry was observed, from which the axial-vector weak charge to the τ was determined to be aτ = -0.74 ± 0.22 in agreement with the standard model. An analysis of the process e+e- → τ+τ-γ showed agreement with QED calculations to O(α3).

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

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