Measurement of αs from the structure of particle clusters produced in hadronic Z decays

D. Decamp, B. Deschizeaux, C. Goy, J. P. Lees, M. N. Minard, R. Alemany, J. M. Crespo, M. Delfino, E. Fernandez, V. Gaitan, Ll Garrido, P. Mato, R. Miquel, Ll M. Mir, S. Orteu, A. Pacheco, J. A. Perlas, E. Tubau, M. G. Catanesi, D. Creanza & 381 others M. de Palma, A. Farilla, G. Iaselli, G. Maggi, M. Maggi, S. Natali, S. Nuzzo, M. Quattromini, A. Ranieri, G. Raso, F. Romano, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, G. Zito, Y. Gao, H. Hu, D. Huang, X. Huang, J. Lin, J. Lou, C. Qiao, T. Ruan, T. Wang, Y. Xie, D. Xu, R. Xu, J. Zhang, W. Zhao, H. Albrecht, W. B. Atwood, F. Bird, E. Blucher, G. Bonvicini, F. Bossi, D. Brown, T. H. Burnett, H. Drevermann, F. Dydak, R. W. Forty, C. Grab, R. Hagelberg, S. Haywood, B. Jost, M. Kasemann, G. Kellner, J. Knobloch, A. Lacourt, I. Lehraus, T. Lohse, D. Lüke, A. Marchioro, M. Martinez, J. May, S. Menary, A. Minten, A. Miotto, J. Nash, P. Palazzi, F. Ranjard, G. Redlinger, A. Roth, J. Rothberg, H. Rotscheidt, W. von Rüden, R. St.Denis, D. Schlatter, M. Takashima, M. Talby, W. Tejessy, H. Wachsmuth, S. Wasserbaech, S. Wheeler, W. Wiedenmann, W. Witzeling, J. Wotschack, Z. Ajaltouni, M. Bardadin-Otwinowska, A. Falvard, R. El Fellous, P. Gay, J. Harvey, P. Henrard, J. Jousset, B. Michel, J. C. Montret, D. Pallin, P. Perret, J. Proriol, F. Prulhière, G. Stimpfl, J. D. Hansen, J. R. Hansen, P. H. Hansen, R. Møllerud, E. R. Nielsen, B. S. Nilsson, I. Efthymiopoulos, E. Simopoulou, A. Vayaki, J. Badier, A. Blondel, G. Bonneaud, J. Bourotte, F. Braems, J. C. Brient, G. Fouque, A. Gamess, R. Guirlet, A. Rosowsky, A. Rougé, M. Rumpf, R. Tanaka, H. Videau, D. J. Candlin, E. Veitch, G. Parrini, M. Corden, C. Georgiopoulos, M. Ikeda, J. Lannutti, D. Levinthal, M. Mermikides, L. Sawyer, A. Antonelli, R. Baldini, G. Bencivenni, G. Bologna, P. Campana, G. Capon, V. Chiarella, B. D'Ettorre-Piazzoli, G. Felici, P. Laurelli, G. Mannocchi, F. Massimo-Brancaccio, F. Murtas, G. P. Murtas, G. Nicoletti, L. Passalacqua, M. Pepe-Altarelli, P. Picchi, P. Zografou, B. Altoon, O. Boyle, A. W. Halley, I. ten Have, J. L. Hearns, J. G. Lynch, W. T. Morton, C. Raine, J. M. Scarr, K. Smith, A. S. Thompson, R. M. Turnbull, B. Brandl, O. Braun, R. Geiges, C. Geweniger, P. Hanke, V. Hepp, E. E. Kluge, Y. Maumary, A. Putzer, B. Rensch, A. Stahl, K. Tittel, M. Wunsch, A. T. Belk, R. Beuselinck, D. M. Binnie, W. Cameron, M. Cattaneo, P. J. Dornan, S. Dugeay, A. M. Greene, J. F. Hassard, N. M. Lieske, S. J. Patton, D. G. Payne, M. J. Phillips, J. K. Sedgbeer, G. Taylor, I. R. Tomalin, A. G. Wright, P. Girtler, D. Kuhn, G. Rudolph, C. K. Bowdery, T. J. Brodbeck, A. J. Finch, F. Foster, G. Hughes, N. R. Keemer, M. Nuttall, A. Patel, B. S. Rowlingson, T. Sloan, S. W. Snow, E. P. Whelan, T. Barczewski, L. A.T. Bauerdick, K. Kleinknecht, B. Renk, S. Roehn, H. G. Sander, M. Schmelling, H. Schmidt, F. Steeg, J. P. Albanese, J. J. Aubert, C. Benchouk, V. Bernard, A. Bonissent, D. Courvoisier, F. Etienne, S. Papalexiou, P. Payre, B. Pietrzyk, Z. Qian, W. Blum, P. Cattaneo, G. Cowan, B. Dehning, H. Dietl, M. Fernandez-Bosman, T. Hansl-Kozanecka, A. Jahn, W. Kozanecki, E. Lange, G. Lütjens, G. Lutz, W. Männer, H. G. Moser, Y. Pan, R. Richter, J. Schröder, A. S. Schwarz, R. Settles, U. Stierlin, J. Thomas, G. Wolf, V. Bertin, G. de Bouard, J. Boucrot, O. Callot, X. Chen, A. Cordier, M. Davier, G. Ganis, J. F. Grivaz, Ph Heusse, P. Janot, V. Journé, D. W. Kim, J. Lefrançois, A. M. Lutz, J. J. Veillet, I. Videau, Z. Zhang, F. Zomer, S. R. Amendolia, G. Bagliesi, G. Batignani, L. Bosisio, U. Bottigli, C. Bradaschia, M. Carpinelli, M. A. Ciocci, R. Dell'Orso, I. Ferrante, F. Fidecaro, L. Foà, E. Focardi, F. Forti, A. Giassi, M. A. Giorgi, F. Ligabue, A. Lusiani, E. B. Mannelli, P. S. Marrocchesi, A. Messineo, L. Moneta, F. Palla, G. Sanguinetti, J. Steinberger, R. Tenchini, G. Tonelli, G. Triggiani, C. Vannini-Castaldi, A. Venturi, P. G. Verdini, J. Walsh, J. M. Carter, M. G. Green, P. V. March, T. Medcalf, I. S. Quazi, M. R. Saich, J. A. Strong, R. M. Thomas, L. R. West, T. Wildish, D. R. Botterill, R. W. Clifft, T. R. Edgecock, M. Edwards, S. M. Fisher, T. J. Jones, P. R. Norton, D. P. Salmon, J. C. Thompson, B. Bloch-Devaux, P. Colas, C. Klopfenstein, E. Lançon, E. Locci, S. Loucatos, E. Monnier, P. Perez, F. Perrier, J. Rander, J. F. Renardy, A. Roussarie, J. P. Schuller, J. Schwindling, J. G. Ashman, C. N. Booth, C. Buttar, R. Carney, S. Cartwright, F. Combley, M. Dinsdale, M. Dogru, F. Hatfield, J. Martin, D. Parker, P. Reeves, L. F. Thompson, S. Brandt, H. Burkhardt, C. Grupen, H. Meinhard, L. Mirabito, E. Neugebauer, U. Schäfer, H. Seywerd, G. Apollinari, G. Giannini, B. Gobbo, F. Liello, L. Rolandi, U. Stiegler, L. Bellantoni, J. F. Boudreau, D. Cinabro, J. S. Conway, Douglas Cowen, A. J. DeWeerd, Z. Feng, D. P.S. Ferguson, Y. S. Gao, J. Grahl, J. L. Harton, J. Hilgart, J. E. Jacobsen, R. C. Jared, R. P. Johnson, B. W. LeClaire, Y. B. Pan, J. R. Pater, Y. Saadi, V. Sharma, A. M. Walsh, J. A. Wear, F. V. Weber, M. H. Whitney, Sau Lan Wu Lan Wu, Z. L. Zhou, G. Zobernig

Research output: Contribution to journalArticle

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Abstract

Using 106 000 hadronic events obtained with the ALEPH detector at LEP at energies close to the Z resonance peak, the strong coupling constant αs is measured by an analysis of energy-energy correlations (EEC) and the global event shape variables thrust, C-parameter and oblateness. It is shown that the theoretical uncertainties can be significantly reduced if the final state particles are first combined in clusters using a minimum scaled invariant mass cut, Ycut, before these variables are computed. The combined result from all shape variables of pre-clustered events is αs(MZ 2 = 0.117±0.005 for a renormalization scale μ= 1 2 MZ. For μ values between MZ and the b-quark mass, the result changes by -0.009 +0.006.

Original languageEnglish (US)
Pages (from-to)479-491
Number of pages13
JournalPhysics Letters B
Volume257
Issue number3-4
DOIs
StatePublished - Mar 28 1991

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variable thrust
decay
energy
quarks
detectors

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Decamp, D., Deschizeaux, B., Goy, C., Lees, J. P., Minard, M. N., Alemany, R., ... Zobernig, G. (1991). Measurement of αs from the structure of particle clusters produced in hadronic Z decays. Physics Letters B, 257(3-4), 479-491. https://doi.org/10.1016/0370-2693(91)91926-M
Decamp, D. ; Deschizeaux, B. ; Goy, C. ; Lees, J. P. ; Minard, M. N. ; Alemany, R. ; Crespo, J. M. ; Delfino, M. ; Fernandez, E. ; Gaitan, V. ; Garrido, Ll ; Mato, P. ; Miquel, R. ; Mir, Ll M. ; Orteu, S. ; Pacheco, A. ; Perlas, J. A. ; Tubau, E. ; Catanesi, M. G. ; Creanza, D. ; de Palma, M. ; Farilla, A. ; Iaselli, G. ; Maggi, G. ; Maggi, M. ; Natali, S. ; Nuzzo, S. ; Quattromini, M. ; Ranieri, A. ; Raso, G. ; Romano, F. ; Ruggieri, F. ; Selvaggi, G. ; Silvestris, L. ; Tempesta, P. ; Zito, G. ; Gao, Y. ; Hu, H. ; Huang, D. ; Huang, X. ; Lin, J. ; Lou, J. ; Qiao, C. ; Ruan, T. ; Wang, T. ; Xie, Y. ; Xu, D. ; Xu, R. ; Zhang, J. ; Zhao, W. ; Albrecht, H. ; Atwood, W. B. ; Bird, F. ; Blucher, E. ; Bonvicini, G. ; Bossi, F. ; Brown, D. ; Burnett, T. H. ; Drevermann, H. ; Dydak, F. ; Forty, R. W. ; Grab, C. ; Hagelberg, R. ; Haywood, S. ; Jost, B. ; Kasemann, M. ; Kellner, G. ; Knobloch, J. ; Lacourt, A. ; Lehraus, I. ; Lohse, T. ; Lüke, D. ; Marchioro, A. ; Martinez, M. ; May, J. ; Menary, S. ; Minten, A. ; Miotto, A. ; Nash, J. ; Palazzi, P. ; Ranjard, F. ; Redlinger, G. ; Roth, A. ; Rothberg, J. ; Rotscheidt, H. ; von Rüden, W. ; St.Denis, R. ; Schlatter, D. ; Takashima, M. ; Talby, M. ; Tejessy, W. ; Wachsmuth, H. ; Wasserbaech, S. ; Wheeler, S. ; Wiedenmann, W. ; Witzeling, W. ; Wotschack, J. ; Ajaltouni, Z. ; Bardadin-Otwinowska, M. ; Falvard, A. ; El Fellous, R. ; Gay, P. ; Harvey, J. ; Henrard, P. ; Jousset, J. ; Michel, B. ; Montret, J. C. ; Pallin, D. ; Perret, P. ; Proriol, J. ; Prulhière, F. ; Stimpfl, G. ; Hansen, J. D. ; Hansen, J. R. ; Hansen, P. H. ; Møllerud, R. ; Nielsen, E. R. ; Nilsson, B. S. ; Efthymiopoulos, I. ; Simopoulou, E. ; Vayaki, A. ; Badier, J. ; Blondel, A. ; Bonneaud, G. ; Bourotte, J. ; Braems, F. ; Brient, J. C. ; Fouque, G. ; Gamess, A. ; Guirlet, R. ; Rosowsky, A. ; Rougé, A. ; Rumpf, M. ; Tanaka, R. ; Videau, H. ; Candlin, D. J. ; Veitch, E. ; Parrini, G. ; Corden, M. ; Georgiopoulos, C. ; Ikeda, M. ; Lannutti, J. ; Levinthal, D. ; Mermikides, M. ; Sawyer, L. ; Antonelli, A. ; Baldini, R. ; Bencivenni, G. ; Bologna, G. ; Campana, P. ; Capon, G. ; Chiarella, V. ; D'Ettorre-Piazzoli, B. ; Felici, G. ; Laurelli, P. ; Mannocchi, G. ; Massimo-Brancaccio, F. ; Murtas, F. ; Murtas, G. P. ; Nicoletti, G. ; Passalacqua, L. ; Pepe-Altarelli, M. ; Picchi, P. ; Zografou, P. ; Altoon, B. ; Boyle, O. ; Halley, A. W. ; ten Have, I. ; Hearns, J. L. ; Lynch, J. G. ; Morton, W. T. ; Raine, C. ; Scarr, J. M. ; Smith, K. ; Thompson, A. S. ; Turnbull, R. M. ; Brandl, B. ; Braun, O. ; Geiges, R. ; Geweniger, C. ; Hanke, P. ; Hepp, V. ; Kluge, E. E. ; Maumary, Y. ; Putzer, A. ; Rensch, B. ; Stahl, A. ; Tittel, K. ; Wunsch, M. ; Belk, A. T. ; Beuselinck, R. ; Binnie, D. M. ; Cameron, W. ; Cattaneo, M. ; Dornan, P. J. ; Dugeay, S. ; Greene, A. M. ; Hassard, J. F. ; Lieske, N. M. ; Patton, S. J. ; Payne, D. G. ; Phillips, M. J. ; Sedgbeer, J. K. ; Taylor, G. ; Tomalin, I. R. ; Wright, A. G. ; Girtler, P. ; Kuhn, D. ; Rudolph, G. ; Bowdery, C. K. ; Brodbeck, T. J. ; Finch, A. J. ; Foster, F. ; Hughes, G. ; Keemer, N. R. ; Nuttall, M. ; Patel, A. ; Rowlingson, B. S. ; Sloan, T. ; Snow, S. W. ; Whelan, E. P. ; Barczewski, T. ; Bauerdick, L. A.T. ; Kleinknecht, K. ; Renk, B. ; Roehn, S. ; Sander, H. G. ; Schmelling, M. ; Schmidt, H. ; Steeg, F. ; Albanese, J. P. ; Aubert, J. J. ; Benchouk, C. ; Bernard, V. ; Bonissent, A. ; Courvoisier, D. ; Etienne, F. ; Papalexiou, S. ; Payre, P. ; Pietrzyk, B. ; Qian, Z. ; Blum, W. ; Cattaneo, P. ; Cowan, G. ; Dehning, B. ; Dietl, H. ; Fernandez-Bosman, M. ; Hansl-Kozanecka, T. ; Jahn, A. ; Kozanecki, W. ; Lange, E. ; Lütjens, G. ; Lutz, G. ; Männer, W. ; Moser, H. G. ; Pan, Y. ; Richter, R. ; Schröder, J. ; Schwarz, A. S. ; Settles, R. ; Stierlin, U. ; Thomas, J. ; Wolf, G. ; Bertin, V. ; de Bouard, G. ; Boucrot, J. ; Callot, O. ; Chen, X. ; Cordier, A. ; Davier, M. ; Ganis, G. ; Grivaz, J. F. ; Heusse, Ph ; Janot, P. ; Journé, V. ; Kim, D. W. ; Lefrançois, J. ; Lutz, A. M. ; Veillet, J. J. ; Videau, I. ; Zhang, Z. ; Zomer, F. ; Amendolia, S. R. ; Bagliesi, G. ; Batignani, G. ; Bosisio, L. ; Bottigli, U. ; Bradaschia, C. ; Carpinelli, M. ; Ciocci, M. A. ; Dell'Orso, R. ; Ferrante, I. ; Fidecaro, F. ; Foà, L. ; Focardi, E. ; Forti, F. ; Giassi, A. ; Giorgi, M. A. ; Ligabue, F. ; Lusiani, A. ; Mannelli, E. B. ; Marrocchesi, P. S. ; Messineo, A. ; Moneta, L. ; Palla, F. ; Sanguinetti, G. ; Steinberger, J. ; Tenchini, R. ; Tonelli, G. ; Triggiani, G. ; Vannini-Castaldi, C. ; Venturi, A. ; Verdini, P. G. ; Walsh, J. ; Carter, J. M. ; Green, M. G. ; March, P. V. ; Medcalf, T. ; Quazi, I. S. ; Saich, M. R. ; Strong, J. A. ; Thomas, R. M. ; West, L. R. ; Wildish, T. ; Botterill, D. R. ; Clifft, R. W. ; Edgecock, T. R. ; Edwards, M. ; Fisher, S. M. ; Jones, T. J. ; Norton, P. R. ; Salmon, D. P. ; Thompson, J. C. ; Bloch-Devaux, B. ; Colas, P. ; Klopfenstein, C. ; Lançon, E. ; Locci, E. ; Loucatos, S. ; Monnier, E. ; Perez, P. ; Perrier, F. ; Rander, J. ; Renardy, J. F. ; Roussarie, A. ; Schuller, J. P. ; Schwindling, J. ; Ashman, J. G. ; Booth, C. N. ; Buttar, C. ; Carney, R. ; Cartwright, S. ; Combley, F. ; Dinsdale, M. ; Dogru, M. ; Hatfield, F. ; Martin, J. ; Parker, D. ; Reeves, P. ; Thompson, L. F. ; Brandt, S. ; Burkhardt, H. ; Grupen, C. ; Meinhard, H. ; Mirabito, L. ; Neugebauer, E. ; Schäfer, U. ; Seywerd, H. ; Apollinari, G. ; Giannini, G. ; Gobbo, B. ; Liello, F. ; Rolandi, L. ; Stiegler, U. ; Bellantoni, L. ; Boudreau, J. F. ; Cinabro, D. ; Conway, J. S. ; Cowen, Douglas ; DeWeerd, A. J. ; Feng, Z. ; Ferguson, D. P.S. ; Gao, Y. S. ; Grahl, J. ; Harton, J. L. ; Hilgart, J. ; Jacobsen, J. E. ; Jared, R. C. ; Johnson, R. P. ; LeClaire, B. W. ; Pan, Y. B. ; Pater, J. R. ; Saadi, Y. ; Sharma, V. ; Walsh, A. M. ; Wear, J. A. ; Weber, F. V. ; Whitney, M. H. ; Lan Wu, Sau Lan Wu ; Zhou, Z. L. ; Zobernig, G. / Measurement of αs from the structure of particle clusters produced in hadronic Z decays. In: Physics Letters B. 1991 ; Vol. 257, No. 3-4. pp. 479-491.
@article{19f9c4b922f946c790fd65a6b3719d30,
title = "Measurement of αs from the structure of particle clusters produced in hadronic Z decays",
abstract = "Using 106 000 hadronic events obtained with the ALEPH detector at LEP at energies close to the Z resonance peak, the strong coupling constant αs is measured by an analysis of energy-energy correlations (EEC) and the global event shape variables thrust, C-parameter and oblateness. It is shown that the theoretical uncertainties can be significantly reduced if the final state particles are first combined in clusters using a minimum scaled invariant mass cut, Ycut, before these variables are computed. The combined result from all shape variables of pre-clustered events is αs(MZ 2 = 0.117±0.005 for a renormalization scale μ= 1 2 MZ. For μ values between MZ and the b-quark mass, the result changes by -0.009 +0.006.",
author = "D. Decamp and B. Deschizeaux and C. Goy and Lees, {J. P.} and Minard, {M. N.} and R. Alemany and Crespo, {J. M.} and M. Delfino and E. Fernandez and V. Gaitan and Ll Garrido and P. Mato and R. Miquel and Mir, {Ll M.} and S. Orteu and A. Pacheco and Perlas, {J. A.} and E. Tubau and Catanesi, {M. G.} and D. Creanza and {de Palma}, M. and A. Farilla and G. Iaselli and G. Maggi and M. Maggi and S. Natali and S. Nuzzo and M. Quattromini and A. Ranieri and G. Raso and F. Romano and F. Ruggieri and G. Selvaggi and L. Silvestris and P. Tempesta and G. Zito and Y. Gao and H. Hu and D. Huang and X. Huang and J. Lin and J. Lou and C. Qiao and T. Ruan and T. Wang and Y. Xie and D. Xu and R. Xu and J. Zhang and W. Zhao and H. Albrecht and Atwood, {W. B.} and F. Bird and E. Blucher and G. Bonvicini and F. Bossi and D. Brown and Burnett, {T. H.} and H. Drevermann and F. Dydak and Forty, {R. W.} and C. Grab and R. Hagelberg and S. Haywood and B. Jost and M. Kasemann and G. Kellner and J. Knobloch and A. Lacourt and I. Lehraus and T. Lohse and D. L{\"u}ke and A. Marchioro and M. Martinez and J. May and S. Menary and A. Minten and A. Miotto and J. Nash and P. Palazzi and F. Ranjard and G. Redlinger and A. Roth and J. Rothberg and H. Rotscheidt and {von R{\"u}den}, W. and R. St.Denis and D. Schlatter and M. Takashima and M. Talby and W. Tejessy and H. Wachsmuth and S. Wasserbaech and S. Wheeler and W. Wiedenmann and W. Witzeling and J. Wotschack and Z. Ajaltouni and M. Bardadin-Otwinowska and A. Falvard and {El Fellous}, R. and P. Gay and J. Harvey and P. Henrard and J. Jousset and B. Michel and Montret, {J. C.} and D. Pallin and P. Perret and J. Proriol and F. Prulhi{\`e}re and G. Stimpfl and Hansen, {J. D.} and Hansen, {J. R.} and Hansen, {P. H.} and R. M{\o}llerud and Nielsen, {E. R.} and Nilsson, {B. S.} and I. Efthymiopoulos and E. Simopoulou and A. Vayaki and J. Badier and A. Blondel and G. Bonneaud and J. Bourotte and F. Braems and Brient, {J. C.} and G. Fouque and A. Gamess and R. Guirlet and A. Rosowsky and A. Roug{\'e} and M. Rumpf and R. Tanaka and H. Videau and Candlin, {D. J.} and E. Veitch and G. Parrini and M. Corden and C. Georgiopoulos and M. Ikeda and J. Lannutti and D. Levinthal and M. Mermikides and L. Sawyer and A. Antonelli and R. Baldini and G. Bencivenni and G. Bologna and P. Campana and G. Capon and V. Chiarella and B. D'Ettorre-Piazzoli and G. Felici and P. Laurelli and G. Mannocchi and F. Massimo-Brancaccio and F. Murtas and Murtas, {G. P.} and G. Nicoletti and L. Passalacqua and M. Pepe-Altarelli and P. Picchi and P. Zografou and B. Altoon and O. Boyle and Halley, {A. W.} and {ten Have}, I. and Hearns, {J. L.} and Lynch, {J. G.} and Morton, {W. T.} and C. Raine and Scarr, {J. M.} and K. Smith and Thompson, {A. S.} and Turnbull, {R. M.} and B. Brandl and O. Braun and R. Geiges and C. Geweniger and P. Hanke and V. Hepp and Kluge, {E. E.} and Y. Maumary and A. Putzer and B. Rensch and A. Stahl and K. Tittel and M. Wunsch and Belk, {A. T.} and R. Beuselinck and Binnie, {D. M.} and W. Cameron and M. Cattaneo and Dornan, {P. J.} and S. Dugeay and Greene, {A. M.} and Hassard, {J. F.} and Lieske, {N. M.} and Patton, {S. J.} and Payne, {D. G.} and Phillips, {M. J.} and Sedgbeer, {J. K.} and G. Taylor and Tomalin, {I. R.} and Wright, {A. G.} and P. Girtler and D. Kuhn and G. Rudolph and Bowdery, {C. K.} and Brodbeck, {T. J.} and Finch, {A. J.} and F. Foster and G. Hughes and Keemer, {N. R.} and M. Nuttall and A. Patel and Rowlingson, {B. S.} and T. Sloan and Snow, {S. W.} and Whelan, {E. P.} and T. Barczewski and Bauerdick, {L. A.T.} and K. Kleinknecht and B. Renk and S. Roehn and Sander, {H. G.} and M. Schmelling and H. Schmidt and F. Steeg and Albanese, {J. P.} and Aubert, {J. J.} and C. Benchouk and V. Bernard and A. Bonissent and D. Courvoisier and F. Etienne and S. Papalexiou and P. Payre and B. Pietrzyk and Z. Qian and W. Blum and P. Cattaneo and G. Cowan and B. Dehning and H. Dietl and M. Fernandez-Bosman and T. Hansl-Kozanecka and A. Jahn and W. Kozanecki and E. Lange and G. L{\"u}tjens and G. Lutz and W. M{\"a}nner and Moser, {H. G.} and Y. Pan and R. Richter and J. Schr{\"o}der and Schwarz, {A. S.} and R. Settles and U. Stierlin and J. Thomas and G. Wolf and V. Bertin and {de Bouard}, G. and J. Boucrot and O. Callot and X. Chen and A. Cordier and M. Davier and G. Ganis and Grivaz, {J. F.} and Ph Heusse and P. Janot and V. Journ{\'e} and Kim, {D. W.} and J. Lefran{\cc}ois and Lutz, {A. M.} and Veillet, {J. J.} and I. Videau and Z. Zhang and F. Zomer and Amendolia, {S. R.} and G. Bagliesi and G. Batignani and L. Bosisio and U. Bottigli and C. Bradaschia and M. Carpinelli and Ciocci, {M. A.} and R. Dell'Orso and I. Ferrante and F. Fidecaro and L. Fo{\`a} and E. Focardi and F. Forti and A. Giassi and Giorgi, {M. A.} and F. Ligabue and A. Lusiani and Mannelli, {E. B.} and Marrocchesi, {P. S.} and A. Messineo and L. Moneta and F. Palla and G. Sanguinetti and J. Steinberger and R. Tenchini and G. Tonelli and G. Triggiani and C. Vannini-Castaldi and A. Venturi and Verdini, {P. G.} and J. Walsh and Carter, {J. M.} and Green, {M. G.} and March, {P. V.} and T. Medcalf and Quazi, {I. S.} and Saich, {M. R.} and Strong, {J. A.} and Thomas, {R. M.} and West, {L. R.} and T. Wildish and Botterill, {D. R.} and Clifft, {R. W.} and Edgecock, {T. R.} and M. Edwards and Fisher, {S. M.} and Jones, {T. J.} and Norton, {P. R.} and Salmon, {D. P.} and Thompson, {J. C.} and B. Bloch-Devaux and P. Colas and C. Klopfenstein and E. Lan{\cc}on and E. Locci and S. Loucatos and E. Monnier and P. Perez and F. Perrier and J. Rander and Renardy, {J. F.} and A. Roussarie and Schuller, {J. P.} and J. Schwindling and Ashman, {J. G.} and Booth, {C. N.} and C. Buttar and R. Carney and S. Cartwright and F. Combley and M. Dinsdale and M. Dogru and F. Hatfield and J. Martin and D. Parker and P. Reeves and Thompson, {L. F.} and S. Brandt and H. Burkhardt and C. Grupen and H. Meinhard and L. Mirabito and E. Neugebauer and U. Sch{\"a}fer and H. Seywerd and G. Apollinari and G. Giannini and B. Gobbo and F. Liello and L. Rolandi and U. Stiegler and L. Bellantoni and Boudreau, {J. F.} and D. Cinabro and Conway, {J. S.} and Douglas Cowen and DeWeerd, {A. J.} and Z. Feng and Ferguson, {D. P.S.} and Gao, {Y. S.} and J. Grahl and Harton, {J. L.} and J. Hilgart and Jacobsen, {J. E.} and Jared, {R. C.} and Johnson, {R. P.} and LeClaire, {B. W.} and Pan, {Y. B.} and Pater, {J. R.} and Y. Saadi and V. Sharma and Walsh, {A. M.} and Wear, {J. A.} and Weber, {F. V.} and Whitney, {M. H.} and {Lan Wu}, {Sau Lan Wu} and Zhou, {Z. L.} and G. Zobernig",
year = "1991",
month = "3",
day = "28",
doi = "10.1016/0370-2693(91)91926-M",
language = "English (US)",
volume = "257",
pages = "479--491",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier",
number = "3-4",

}

Decamp, D, Deschizeaux, B, Goy, C, Lees, JP, Minard, MN, Alemany, R, Crespo, JM, Delfino, M, Fernandez, E, Gaitan, V, Garrido, L, Mato, P, Miquel, R, Mir, LM, Orteu, S, Pacheco, A, Perlas, JA, Tubau, E, Catanesi, MG, Creanza, D, de Palma, M, Farilla, A, Iaselli, G, Maggi, G, Maggi, M, Natali, S, Nuzzo, S, Quattromini, M, Ranieri, A, Raso, G, Romano, F, Ruggieri, F, Selvaggi, G, Silvestris, L, Tempesta, P, Zito, G, Gao, Y, Hu, H, Huang, D, Huang, X, Lin, J, Lou, J, Qiao, C, Ruan, T, Wang, T, Xie, Y, Xu, D, Xu, R, Zhang, J, Zhao, W, Albrecht, H, Atwood, WB, Bird, F, Blucher, E, Bonvicini, G, Bossi, F, Brown, D, Burnett, TH, Drevermann, H, Dydak, F, Forty, RW, Grab, C, Hagelberg, R, Haywood, S, Jost, B, Kasemann, M, Kellner, G, Knobloch, J, Lacourt, A, Lehraus, I, Lohse, T, Lüke, D, Marchioro, A, Martinez, M, May, J, Menary, S, Minten, A, Miotto, A, Nash, J, Palazzi, P, Ranjard, F, Redlinger, G, Roth, A, Rothberg, J, Rotscheidt, H, von Rüden, W, St.Denis, R, Schlatter, D, Takashima, M, Talby, M, Tejessy, W, Wachsmuth, H, Wasserbaech, S, Wheeler, S, Wiedenmann, W, Witzeling, W, Wotschack, J, Ajaltouni, Z, Bardadin-Otwinowska, M, Falvard, A, El Fellous, R, Gay, P, Harvey, J, Henrard, P, Jousset, J, Michel, B, Montret, JC, Pallin, D, Perret, P, Proriol, J, Prulhière, F, Stimpfl, G, Hansen, JD, Hansen, JR, Hansen, PH, Møllerud, R, Nielsen, ER, Nilsson, BS, Efthymiopoulos, I, Simopoulou, E, Vayaki, A, Badier, J, Blondel, A, Bonneaud, G, Bourotte, J, Braems, F, Brient, JC, Fouque, G, Gamess, A, Guirlet, R, Rosowsky, A, Rougé, A, Rumpf, M, Tanaka, R, Videau, H, Candlin, DJ, Veitch, E, Parrini, G, Corden, M, Georgiopoulos, C, Ikeda, M, Lannutti, J, Levinthal, D, Mermikides, M, Sawyer, L, Antonelli, A, Baldini, R, Bencivenni, G, Bologna, G, Campana, P, Capon, G, Chiarella, V, D'Ettorre-Piazzoli, B, Felici, G, Laurelli, P, Mannocchi, G, Massimo-Brancaccio, F, Murtas, F, Murtas, GP, Nicoletti, G, Passalacqua, L, Pepe-Altarelli, M, Picchi, P, Zografou, P, Altoon, B, Boyle, O, Halley, AW, ten Have, I, Hearns, JL, Lynch, JG, Morton, WT, Raine, C, Scarr, JM, Smith, K, Thompson, AS, Turnbull, RM, Brandl, B, Braun, O, Geiges, R, Geweniger, C, Hanke, P, Hepp, V, Kluge, EE, Maumary, Y, Putzer, A, Rensch, B, Stahl, A, Tittel, K, Wunsch, M, Belk, AT, Beuselinck, R, Binnie, DM, Cameron, W, Cattaneo, M, Dornan, PJ, Dugeay, S, Greene, AM, Hassard, JF, Lieske, NM, Patton, SJ, Payne, DG, Phillips, MJ, Sedgbeer, JK, Taylor, G, Tomalin, IR, Wright, AG, Girtler, P, Kuhn, D, Rudolph, G, Bowdery, CK, Brodbeck, TJ, Finch, AJ, Foster, F, Hughes, G, Keemer, NR, Nuttall, M, Patel, A, Rowlingson, BS, Sloan, T, Snow, SW, Whelan, EP, Barczewski, T, Bauerdick, LAT, Kleinknecht, K, Renk, B, Roehn, S, Sander, HG, Schmelling, M, Schmidt, H, Steeg, F, Albanese, JP, Aubert, JJ, Benchouk, C, Bernard, V, Bonissent, A, Courvoisier, D, Etienne, F, Papalexiou, S, Payre, P, Pietrzyk, B, Qian, Z, Blum, W, Cattaneo, P, Cowan, G, Dehning, B, Dietl, H, Fernandez-Bosman, M, Hansl-Kozanecka, T, Jahn, A, Kozanecki, W, Lange, E, Lütjens, G, Lutz, G, Männer, W, Moser, HG, Pan, Y, Richter, R, Schröder, J, Schwarz, AS, Settles, R, Stierlin, U, Thomas, J, Wolf, G, Bertin, V, de Bouard, G, Boucrot, J, Callot, O, Chen, X, Cordier, A, Davier, M, Ganis, G, Grivaz, JF, Heusse, P, Janot, P, Journé, V, Kim, DW, Lefrançois, J, Lutz, AM, Veillet, JJ, Videau, I, Zhang, Z, Zomer, F, Amendolia, SR, Bagliesi, G, Batignani, G, Bosisio, L, Bottigli, U, Bradaschia, C, Carpinelli, M, Ciocci, MA, Dell'Orso, R, Ferrante, I, Fidecaro, F, Foà, L, Focardi, E, Forti, F, Giassi, A, Giorgi, MA, Ligabue, F, Lusiani, A, Mannelli, EB, Marrocchesi, PS, Messineo, A, Moneta, L, Palla, F, Sanguinetti, G, Steinberger, J, Tenchini, R, Tonelli, G, Triggiani, G, Vannini-Castaldi, C, Venturi, A, Verdini, PG, Walsh, J, Carter, JM, Green, MG, March, PV, Medcalf, T, Quazi, IS, Saich, MR, Strong, JA, Thomas, RM, West, LR, Wildish, T, Botterill, DR, Clifft, RW, Edgecock, TR, Edwards, M, Fisher, SM, Jones, TJ, Norton, PR, Salmon, DP, Thompson, JC, Bloch-Devaux, B, Colas, P, Klopfenstein, C, Lançon, E, Locci, E, Loucatos, S, Monnier, E, Perez, P, Perrier, F, Rander, J, Renardy, JF, Roussarie, A, Schuller, JP, Schwindling, J, Ashman, JG, Booth, CN, Buttar, C, Carney, R, Cartwright, S, Combley, F, Dinsdale, M, Dogru, M, Hatfield, F, Martin, J, Parker, D, Reeves, P, Thompson, LF, Brandt, S, Burkhardt, H, Grupen, C, Meinhard, H, Mirabito, L, Neugebauer, E, Schäfer, U, Seywerd, H, Apollinari, G, Giannini, G, Gobbo, B, Liello, F, Rolandi, L, Stiegler, U, Bellantoni, L, Boudreau, JF, Cinabro, D, Conway, JS, Cowen, D, DeWeerd, AJ, Feng, Z, Ferguson, DPS, Gao, YS, Grahl, J, Harton, JL, Hilgart, J, Jacobsen, JE, Jared, RC, Johnson, RP, LeClaire, BW, Pan, YB, Pater, JR, Saadi, Y, Sharma, V, Walsh, AM, Wear, JA, Weber, FV, Whitney, MH, Lan Wu, SLW, Zhou, ZL & Zobernig, G 1991, 'Measurement of αs from the structure of particle clusters produced in hadronic Z decays', Physics Letters B, vol. 257, no. 3-4, pp. 479-491. https://doi.org/10.1016/0370-2693(91)91926-M

Measurement of αs from the structure of particle clusters produced in hadronic Z decays. / Decamp, D.; Deschizeaux, B.; Goy, C.; Lees, J. P.; Minard, M. N.; Alemany, R.; Crespo, J. M.; Delfino, M.; Fernandez, E.; Gaitan, V.; Garrido, Ll; Mato, P.; Miquel, R.; Mir, Ll M.; Orteu, S.; Pacheco, A.; Perlas, J. A.; Tubau, E.; Catanesi, M. G.; Creanza, D.; de Palma, M.; Farilla, A.; Iaselli, G.; Maggi, G.; Maggi, M.; Natali, S.; Nuzzo, S.; Quattromini, M.; Ranieri, A.; Raso, G.; Romano, F.; Ruggieri, F.; Selvaggi, G.; Silvestris, L.; Tempesta, P.; Zito, G.; Gao, Y.; Hu, H.; Huang, D.; Huang, X.; Lin, J.; Lou, J.; Qiao, C.; Ruan, T.; Wang, T.; Xie, Y.; Xu, D.; Xu, R.; Zhang, J.; Zhao, W.; Albrecht, H.; Atwood, W. B.; Bird, F.; Blucher, E.; Bonvicini, G.; Bossi, F.; Brown, D.; Burnett, T. H.; Drevermann, H.; Dydak, F.; Forty, R. W.; Grab, C.; Hagelberg, R.; Haywood, S.; Jost, B.; Kasemann, M.; Kellner, G.; Knobloch, J.; Lacourt, A.; Lehraus, I.; Lohse, T.; Lüke, D.; Marchioro, A.; Martinez, M.; May, J.; Menary, S.; Minten, A.; Miotto, A.; Nash, J.; Palazzi, P.; Ranjard, F.; Redlinger, G.; Roth, A.; Rothberg, J.; Rotscheidt, H.; von Rüden, W.; St.Denis, R.; Schlatter, D.; Takashima, M.; Talby, M.; Tejessy, W.; Wachsmuth, H.; Wasserbaech, S.; Wheeler, S.; Wiedenmann, W.; Witzeling, W.; Wotschack, J.; Ajaltouni, Z.; Bardadin-Otwinowska, M.; Falvard, A.; El Fellous, R.; Gay, P.; Harvey, J.; Henrard, P.; Jousset, J.; Michel, B.; Montret, J. C.; Pallin, D.; Perret, P.; Proriol, J.; Prulhière, F.; Stimpfl, G.; Hansen, J. D.; Hansen, J. R.; Hansen, P. H.; Møllerud, R.; Nielsen, E. R.; Nilsson, B. S.; Efthymiopoulos, I.; Simopoulou, E.; Vayaki, A.; Badier, J.; Blondel, A.; Bonneaud, G.; Bourotte, J.; Braems, F.; Brient, J. C.; Fouque, G.; Gamess, A.; Guirlet, R.; Rosowsky, A.; Rougé, A.; Rumpf, M.; Tanaka, R.; Videau, H.; Candlin, D. J.; Veitch, E.; Parrini, G.; Corden, M.; Georgiopoulos, C.; Ikeda, M.; Lannutti, J.; Levinthal, D.; Mermikides, M.; Sawyer, L.; Antonelli, A.; Baldini, R.; Bencivenni, G.; Bologna, G.; Campana, P.; Capon, G.; Chiarella, V.; D'Ettorre-Piazzoli, B.; Felici, G.; Laurelli, P.; Mannocchi, G.; Massimo-Brancaccio, F.; Murtas, F.; Murtas, G. P.; Nicoletti, G.; Passalacqua, L.; Pepe-Altarelli, M.; Picchi, P.; Zografou, P.; Altoon, B.; Boyle, O.; Halley, A. W.; ten Have, I.; Hearns, J. L.; Lynch, J. G.; Morton, W. T.; Raine, C.; Scarr, J. M.; Smith, K.; Thompson, A. S.; Turnbull, R. M.; Brandl, B.; Braun, O.; Geiges, R.; Geweniger, C.; Hanke, P.; Hepp, V.; Kluge, E. E.; Maumary, Y.; Putzer, A.; Rensch, B.; Stahl, A.; Tittel, K.; Wunsch, M.; Belk, A. T.; Beuselinck, R.; Binnie, D. M.; Cameron, W.; Cattaneo, M.; Dornan, P. J.; Dugeay, S.; Greene, A. M.; Hassard, J. F.; Lieske, N. M.; Patton, S. J.; Payne, D. G.; Phillips, M. J.; Sedgbeer, J. K.; Taylor, G.; Tomalin, I. R.; Wright, A. G.; Girtler, P.; Kuhn, D.; Rudolph, G.; Bowdery, C. K.; Brodbeck, T. J.; Finch, A. J.; Foster, F.; Hughes, G.; Keemer, N. R.; Nuttall, M.; Patel, A.; Rowlingson, B. S.; Sloan, T.; Snow, S. W.; Whelan, E. P.; Barczewski, T.; Bauerdick, L. A.T.; Kleinknecht, K.; Renk, B.; Roehn, S.; Sander, H. G.; Schmelling, M.; Schmidt, H.; Steeg, F.; Albanese, J. P.; Aubert, J. J.; Benchouk, C.; Bernard, V.; Bonissent, A.; Courvoisier, D.; Etienne, F.; Papalexiou, S.; Payre, P.; Pietrzyk, B.; Qian, Z.; Blum, W.; Cattaneo, P.; Cowan, G.; Dehning, B.; Dietl, H.; Fernandez-Bosman, M.; Hansl-Kozanecka, T.; Jahn, A.; Kozanecki, W.; Lange, E.; Lütjens, G.; Lutz, G.; Männer, W.; Moser, H. G.; Pan, Y.; Richter, R.; Schröder, J.; Schwarz, A. S.; Settles, R.; Stierlin, U.; Thomas, J.; Wolf, G.; Bertin, V.; de Bouard, G.; Boucrot, J.; Callot, O.; Chen, X.; Cordier, A.; Davier, M.; Ganis, G.; Grivaz, J. F.; Heusse, Ph; Janot, P.; Journé, V.; Kim, D. W.; Lefrançois, J.; Lutz, A. M.; Veillet, J. J.; Videau, I.; Zhang, Z.; Zomer, F.; Amendolia, S. R.; Bagliesi, G.; Batignani, G.; Bosisio, L.; Bottigli, U.; Bradaschia, C.; Carpinelli, M.; Ciocci, M. A.; Dell'Orso, R.; Ferrante, I.; Fidecaro, F.; Foà, L.; Focardi, E.; Forti, F.; Giassi, A.; Giorgi, M. A.; Ligabue, F.; Lusiani, A.; Mannelli, E. B.; Marrocchesi, P. S.; Messineo, A.; Moneta, L.; Palla, F.; Sanguinetti, G.; Steinberger, J.; Tenchini, R.; Tonelli, G.; Triggiani, G.; Vannini-Castaldi, C.; Venturi, A.; Verdini, P. G.; Walsh, J.; Carter, J. M.; Green, M. G.; March, P. V.; Medcalf, T.; Quazi, I. S.; Saich, M. R.; Strong, J. A.; Thomas, R. M.; West, L. R.; Wildish, T.; Botterill, D. R.; Clifft, R. W.; Edgecock, T. R.; Edwards, M.; Fisher, S. M.; Jones, T. J.; Norton, P. R.; Salmon, D. P.; Thompson, J. C.; Bloch-Devaux, B.; Colas, P.; Klopfenstein, C.; Lançon, E.; Locci, E.; Loucatos, S.; Monnier, E.; Perez, P.; Perrier, F.; Rander, J.; Renardy, J. F.; Roussarie, A.; Schuller, J. P.; Schwindling, J.; Ashman, J. G.; Booth, C. N.; Buttar, C.; Carney, R.; Cartwright, S.; Combley, F.; Dinsdale, M.; Dogru, M.; Hatfield, F.; Martin, J.; Parker, D.; Reeves, P.; Thompson, L. F.; Brandt, S.; Burkhardt, H.; Grupen, C.; Meinhard, H.; Mirabito, L.; Neugebauer, E.; Schäfer, U.; Seywerd, H.; Apollinari, G.; Giannini, G.; Gobbo, B.; Liello, F.; Rolandi, L.; Stiegler, U.; Bellantoni, L.; Boudreau, J. F.; Cinabro, D.; Conway, J. S.; Cowen, Douglas; DeWeerd, A. J.; Feng, Z.; Ferguson, D. P.S.; Gao, Y. S.; Grahl, J.; Harton, J. L.; Hilgart, J.; Jacobsen, J. E.; Jared, R. C.; Johnson, R. P.; LeClaire, B. W.; Pan, Y. B.; Pater, J. R.; Saadi, Y.; Sharma, V.; Walsh, A. M.; Wear, J. A.; Weber, F. V.; Whitney, M. H.; Lan Wu, Sau Lan Wu; Zhou, Z. L.; Zobernig, G.

In: Physics Letters B, Vol. 257, No. 3-4, 28.03.1991, p. 479-491.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Measurement of αs from the structure of particle clusters produced in hadronic Z decays

AU - Decamp, D.

AU - Deschizeaux, B.

AU - Goy, C.

AU - Lees, J. P.

AU - Minard, M. N.

AU - Alemany, R.

AU - Crespo, J. M.

AU - Delfino, M.

AU - Fernandez, E.

AU - Gaitan, V.

AU - Garrido, Ll

AU - Mato, P.

AU - Miquel, R.

AU - Mir, Ll M.

AU - Orteu, S.

AU - Pacheco, A.

AU - Perlas, J. A.

AU - Tubau, E.

AU - Catanesi, M. G.

AU - Creanza, D.

AU - de Palma, M.

AU - Farilla, A.

AU - Iaselli, G.

AU - Maggi, G.

AU - Maggi, M.

AU - Natali, S.

AU - Nuzzo, S.

AU - Quattromini, M.

AU - Ranieri, A.

AU - Raso, G.

AU - Romano, F.

AU - Ruggieri, F.

AU - Selvaggi, G.

AU - Silvestris, L.

AU - Tempesta, P.

AU - Zito, G.

AU - Gao, Y.

AU - Hu, H.

AU - Huang, D.

AU - Huang, X.

AU - Lin, J.

AU - Lou, J.

AU - Qiao, C.

AU - Ruan, T.

AU - Wang, T.

AU - Xie, Y.

AU - Xu, D.

AU - Xu, R.

AU - Zhang, J.

AU - Zhao, W.

AU - Albrecht, H.

AU - Atwood, W. B.

AU - Bird, F.

AU - Blucher, E.

AU - Bonvicini, G.

AU - Bossi, F.

AU - Brown, D.

AU - Burnett, T. H.

AU - Drevermann, H.

AU - Dydak, F.

AU - Forty, R. W.

AU - Grab, C.

AU - Hagelberg, R.

AU - Haywood, S.

AU - Jost, B.

AU - Kasemann, M.

AU - Kellner, G.

AU - Knobloch, J.

AU - Lacourt, A.

AU - Lehraus, I.

AU - Lohse, T.

AU - Lüke, D.

AU - Marchioro, A.

AU - Martinez, M.

AU - May, J.

AU - Menary, S.

AU - Minten, A.

AU - Miotto, A.

AU - Nash, J.

AU - Palazzi, P.

AU - Ranjard, F.

AU - Redlinger, G.

AU - Roth, A.

AU - Rothberg, J.

AU - Rotscheidt, H.

AU - von Rüden, W.

AU - St.Denis, R.

AU - Schlatter, D.

AU - Takashima, M.

AU - Talby, M.

AU - Tejessy, W.

AU - Wachsmuth, H.

AU - Wasserbaech, S.

AU - Wheeler, S.

AU - Wiedenmann, W.

AU - Witzeling, W.

AU - Wotschack, J.

AU - Ajaltouni, Z.

AU - Bardadin-Otwinowska, M.

AU - Falvard, A.

AU - El Fellous, R.

AU - Gay, P.

AU - Harvey, J.

AU - Henrard, P.

AU - Jousset, J.

AU - Michel, B.

AU - Montret, J. C.

AU - Pallin, D.

AU - Perret, P.

AU - Proriol, J.

AU - Prulhière, F.

AU - Stimpfl, G.

AU - Hansen, J. D.

AU - Hansen, J. R.

AU - Hansen, P. H.

AU - Møllerud, R.

AU - Nielsen, E. R.

AU - Nilsson, B. S.

AU - Efthymiopoulos, I.

AU - Simopoulou, E.

AU - Vayaki, A.

AU - Badier, J.

AU - Blondel, A.

AU - Bonneaud, G.

AU - Bourotte, J.

AU - Braems, F.

AU - Brient, J. C.

AU - Fouque, G.

AU - Gamess, A.

AU - Guirlet, R.

AU - Rosowsky, A.

AU - Rougé, A.

AU - Rumpf, M.

AU - Tanaka, R.

AU - Videau, H.

AU - Candlin, D. J.

AU - Veitch, E.

AU - Parrini, G.

AU - Corden, M.

AU - Georgiopoulos, C.

AU - Ikeda, M.

AU - Lannutti, J.

AU - Levinthal, D.

AU - Mermikides, M.

AU - Sawyer, L.

AU - Antonelli, A.

AU - Baldini, R.

AU - Bencivenni, G.

AU - Bologna, G.

AU - Campana, P.

AU - Capon, G.

AU - Chiarella, V.

AU - D'Ettorre-Piazzoli, B.

AU - Felici, G.

AU - Laurelli, P.

AU - Mannocchi, G.

AU - Massimo-Brancaccio, F.

AU - Murtas, F.

AU - Murtas, G. P.

AU - Nicoletti, G.

AU - Passalacqua, L.

AU - Pepe-Altarelli, M.

AU - Picchi, P.

AU - Zografou, P.

AU - Altoon, B.

AU - Boyle, O.

AU - Halley, A. W.

AU - ten Have, I.

AU - Hearns, J. L.

AU - Lynch, J. G.

AU - Morton, W. T.

AU - Raine, C.

AU - Scarr, J. M.

AU - Smith, K.

AU - Thompson, A. S.

AU - Turnbull, R. M.

AU - Brandl, B.

AU - Braun, O.

AU - Geiges, R.

AU - Geweniger, C.

AU - Hanke, P.

AU - Hepp, V.

AU - Kluge, E. E.

AU - Maumary, Y.

AU - Putzer, A.

AU - Rensch, B.

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PY - 1991/3/28

Y1 - 1991/3/28

N2 - Using 106 000 hadronic events obtained with the ALEPH detector at LEP at energies close to the Z resonance peak, the strong coupling constant αs is measured by an analysis of energy-energy correlations (EEC) and the global event shape variables thrust, C-parameter and oblateness. It is shown that the theoretical uncertainties can be significantly reduced if the final state particles are first combined in clusters using a minimum scaled invariant mass cut, Ycut, before these variables are computed. The combined result from all shape variables of pre-clustered events is αs(MZ 2 = 0.117±0.005 for a renormalization scale μ= 1 2 MZ. For μ values between MZ and the b-quark mass, the result changes by -0.009 +0.006.

AB - Using 106 000 hadronic events obtained with the ALEPH detector at LEP at energies close to the Z resonance peak, the strong coupling constant αs is measured by an analysis of energy-energy correlations (EEC) and the global event shape variables thrust, C-parameter and oblateness. It is shown that the theoretical uncertainties can be significantly reduced if the final state particles are first combined in clusters using a minimum scaled invariant mass cut, Ycut, before these variables are computed. The combined result from all shape variables of pre-clustered events is αs(MZ 2 = 0.117±0.005 for a renormalization scale μ= 1 2 MZ. For μ values between MZ and the b-quark mass, the result changes by -0.009 +0.006.

UR - http://www.scopus.com/inward/record.url?scp=0043270125&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0043270125&partnerID=8YFLogxK

U2 - 10.1016/0370-2693(91)91926-M

DO - 10.1016/0370-2693(91)91926-M

M3 - Article

VL - 257

SP - 479

EP - 491

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

IS - 3-4

ER -

Decamp D, Deschizeaux B, Goy C, Lees JP, Minard MN, Alemany R et al. Measurement of αs from the structure of particle clusters produced in hadronic Z decays. Physics Letters B. 1991 Mar 28;257(3-4):479-491. https://doi.org/10.1016/0370-2693(91)91926-M