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Showing papers by "Gregor Herten published in 1982"

Journal Article•DOI•
Measurement of charge asymmetry in e+e- -]mu+mu-

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Bernardo Adeva, D. P. Barber, U. Becker, J. Berdugo, G. Berghoff, A. Böhm, J. G. Branson, J. D. Burger, M. Capell, Marcos Cerrada, Chao-Hsi Chang, H. S. Chen, Mingshui Chen, M. L. Chen, Min Chen, C. P. Cheng, Robert Clare, E. Deffur, P. Duinker, Z. Y. Feng, H. S. Fesefeldt, D. Fong, Masaki Fukushima, D. Harting, Thomas Hebbeker, Gregor Herten, M. C. Ho, M. M. Ilyas, D. Z. Jiang, D. Kooijman, W. Krenz, Q. Z. Li, D. Luckey, E. J. Luit, C. Maña, G.G.G. Massaro, T. Matsuda, Harvey B Newman, M. Pohl, F. P. Poschmann, J. P. Revol, M. Rohde, Hans Rykaczewski, J. A. Rubio, J. Salicio, I. Schulz, K. Sinram, M. Steuer, G. M. Swider, H. W. Tang, D. Teuchert, Samuel C.C. Ting, K. L. Tung, F. Vannucci, M. Q. Wang, Martin White, S. X. Wu, Ren-Yuan Zhu, Y. C. Zhu 
21 Jun 1982-Physical Review Letters
TL;DR: The measurement of the nonelectromagnetic forward-backward charge asymmetry in the reaction e/sup+/e/sup -/..--> mu../sup +/..mu../sup-/ at roughly sapprox.34.6 GeV and in the angular region 0 as mentioned in this paper.
Abstract: The measurement of the nonelectromagnetic forward-backward charge asymmetry in the reaction e/sup +/e/sup -/..--> mu../sup +/..mu../sup -/ at ..sqrt..sapprox.34.6 GeV and in the angular region 0

28 citations

Journal Article•DOI•
Experimental limits on the production of excited leptons and stable heavy-leptons

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Bernardo Adeva, D. P. Barber, U. Becker, G. D. Bei, J. Berdugo, G. Berghoff, A. Böhm, J. G. Branson, D. Buikman, J. D. Burger, Marcos Cerrada, Chao-Hsi Chang, G. F. Chen, H. S. Chen, Mingshui Chen, M. L. Chen, Min Chen, C. P. Cheng, Robert Clare, E. Deffur, P. Duinker, Z. Y. Feng, H. S. Fesefeldt, D. Fong, Masaki Fukushima, J. C. Guo, D. Harting, Thomas Hebbeker, Gregor Herten, M. C. Ho, M. M. Ilyas, D. Z. Jiang, D. Kooijman, W. Krenz, Q. Z. Li, D. Luckey, E. J. Luit, C. Maña, G.G.G. Massaro, T. Matsuda, Harvey B Newman, M. Pohl, F. P. Poschmann, J. P. Revol, M. Rohde, Hans Rykaczewski, A. Rubio, J. Salicio, I. Schulz, K. Sinram, M. Steuer, G. M. Swider, H. W. Tang, D. Teuchert, Samuel C.C. Ting, K. L. Tung, F. Vannucci, Y. X. Wang, Martin White, S. X. Wu, T. W. Wu, C. C. Yu, Y. Zeng, N. L. Zhang, Ren-Yuan Zhu 
12 Apr 1982-Physical Review Letters
TL;DR: In this paper, the results of a search for excited muons (..mu..*) and electrons (e*) and for a stable charged heavy lepton by measurements of the e/sup +/e/sup -/..--> mu../sup+/..mu../sup -/,..mu../Sup +/..m../sup-/m../Sup -/m.
Abstract: The results are reported of a search for excited muons (..mu..*) and electrons (e*) and for a stable charged heavy lepton by measurements of the e/sup +/e/sup -/..--> mu../sup +/..mu../sup -/, ..mu../sup +/..mu../sup -/..gamma.., ..mu../sup +/..mu../sup -/..gamma gamma.., and ..gamma gamma.. final states. Excluded are large regions of the lambda (coupling constant), M (mass) planes for spin-(1/2) ..mu..* and e*, and a new stable charged heavy lepton with mass<14 GeV.

21 citations

Journal Article•DOI•
Search for charged Higgs, scalar tau's and a test of technicolor models

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Bernardo Adeva, D. P. Barber, U. Becker, J. Berdugo, G. Berghoff, A. Böhm, J. G. Branson, J. D. Burger, M. Capell, Marcos Cerrada, Chao-Hsi Chang, H. S. Chen, Mingshui Chen, M. L. Chen, Min Chen, Robert Clare, E. Deffur, P. Duinker, Z. Y. Feng, H. S. Fesefeldt, D. Fong, Masaki Fukushima, D. Harting, Thomas Hebbeker, Gregor Herten, M. C. Ho, M. M. Ilyas, D. Z. Jiang, D. Kooijman, W. Krenz, Q. Z. Li, D. Luckey, E. J. Luit, C. Maña, G.G.G. Massaro, T. Matsuda, Harvey B Newman, M. Pohl, F. P. Poschmann, J. P. Revol, M. Rohde, Hans Rykaczewski, J. A. Rubio, J. Salicio, I. Schulz, K. Sinram, M. Steuer, G. M. Swider, H. W. Tang, D. Teuchert, Samuel C.C. Ting, K. L. Tung, M. Q. Wang, Martin White, S. X. Wu, Ren-Yuan Zhu, Y. C. Zhu 
09 Sep 1982-Physics Letters B
TL;DR: In this paper, upper limits on the branching ratio to τvτ for charged Higgs particles or technipions with masses up to 14 GeV/c2 were obtained.

17 citations

Journal Article•DOI•
Experimental Tests of Higher-Order Quantum Electrodynamics at Small Distances

[...]

Bernardo Adeva, D. P. Barber, U. Becker, G. D. Bei, J. Berdugo, G. Berghoff, A. Böhm, J. G. Branson, D. Buikman, J. D. Burger, M. Capell, Marcos Cerrada, Chao-Hsi Chang, H. S. Chen, Mingshui Chen, M. L. Chen, Min Chen, C. P. Cheng, Robert Clare, E. Deffur, P. Duinker, Z. Y. Feng, H. S. Fesefeldt, D. Fong, Masaki Fukushima, J. C. Guo, A. Hariri, D. Harting, Thomas Hebbeker, Gregor Herten, M. C. Ho, M. M. Ilyas, D. Z. Jiang, D. Kooijman, W. Krenz, Q. Z. Li, D. Luckey, E. J. Luit, C. Maña, G.G.G. Massaro, T. Matsuda, Harvey B Newman, M. Pohl, F. P. Poschmann, J. P. Revol, M. Rohde, Hans Rykaczewski, A. Rubio, J. Salicio, I. Schulz, K. Sinram, M. Steuer, G. M. Swider, H. W. Tang, D. Teuchert, Samuel C.C. Ting, K. L. Tung, F. Vannucci, Martin White, S. X. Wu, T. W. Wu, Ren-Yuan Zhu 
15 Mar 1982-Physical Review Letters
TL;DR: In this paper, a direct test of higher-order QED at large momentum transfers (up to approx. 100 GeV/sup 2/) was presented, and the cross sections and various kinematic distributions agree with QED.
Abstract: A direct test is presented of higher-order QED (..cap alpha../sup 4/) at large momentum transfers (up to approx. 100 GeV/sup 2/). These tests were carried out with the MARK-J detector at PETRA by comparing the measured cross section for the process e/sup +/e/sup -/..-->..e/sup +/e/sup -/..mu../sup +/..mu../sup -/ with the prediction of QED for 12 GeV< or =..sqrt..s-bar< or =36.7 GeV. The cross sections and the various kinematic distributions agree with QED.

9 citations