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, Sachio 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

18 引用 (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 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).

元の言語English
ページ（範囲）188-196
ページ数9
ジャーナルPhysics Letters B
巻161
発行部数1-3
DOI
出版物ステータスPublished - 1985 10 24
外部発表Yes

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leptons
decay
center of mass
confidence
charged particles
cut-off
angular distribution
asymmetry
energy
detectors
cross sections
predictions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

これを引用

Bartel, W., Becker, L., Cords, D., Felst, R., Haidt, D., Knies, G., ... 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, Sachio; 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.

：: Physics Letters B, 巻 161, 番号 1-3, 24.10.1985, p. 188-196.

研究成果: Article

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, 巻. 161, 番号 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 その他. Tau-lepton production and decay at Petra energies. Physics Letters B. 1985 10 24;161(1-3):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, Sachio ; 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. ：: Physics Letters B. 1985 ; 巻 161, 番号 1-3. pp. 188-196.
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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 Sachio 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",
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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, Sachio

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.

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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U2 - 10.1016/0370-2693(85)90634-3

DO - 10.1016/0370-2693(85)90634-3

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VL - 161

SP - 188

EP - 196

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

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

SN - 0370-2693

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