Content area
Abstract
Data from e+e- annihilation into hadrons at centre-of-mass energies between 91 GeV and 209 GeV collected with the OPAL detector at LEP, are used to study the four-jet rate as a function of the Durham algorithm resolution parameter ycut. The four-jet rate is compared to next-to-leading order calculations that include the resummation of large logarithms. The strong coupling measured from the four-jet rate is \(\alpha_{\text{S}(M_{\text{Z}^0})}=0.1182\pm0.0003(\text{stat.})\pm0.0015(\text{exp.}) \pm0.0011(\text{had.})\pm0.0012(\text{scale})\pm0.0013(\text{mass}),\) in agreement with the world average. Next-to-leading order fits to the D-parameter and thrust minor event-shape observables are also performed for the first time. We find consistent results, but with significantly larger theoretical uncertainties.
Details
Title
Measurement of the strong coupling αS from four-jet observables in e+e- annihilation
Author
Abbiendi, G 1 ; Ainsley, C 2 ; Åkesson, P F 3 ; Alexander, G 4 ; Anagnostou, G 5 ; Anderson, K J 6 ; Asai, S 7 ; Axen, D 8 ; Bailey, I 9 ; Barberio, E 10 ; Barillari, T 11 ; Barlow, R J 12 ; Batley, R J 2 ; Bechtle, P 13 ; Behnke, T 13 ; Bell, K W 14 ; Bell, P J 5 ; Bella, G 4 ; Bellerive, A 15 ; Benelli, G 16 ; Bethke, S 11 ; Biebel, O 17 ; Boeriu, O 18 ; Bock, P 19 ; Boutemeur, M 17 ; Braibant, S 1 ; Brown, R M 14 ; Burckhart, HJ 10 ; Campana, S 16 ; Capiluppi, P 1 ; Carnegie, R K 15 ; Carter, A A 20 ; Carter, J R 2 ; Chang, CY 21 ; Charlton, D G 5 ; Ciocca, C 1 ; Csilling, A 22 ; Cuffiani, M 1 ; Dado, S 23 ; De Roeck, A 10 ; De Wolf, EA 10 ; Desch, K 13 ; Dienes, B 24 ; Dubbert, J 17 ; Duchovni, E 25 ; Duckeck, G 17 ; Duerdoth, I P 12 ; Etzion, E 4 ; Fabbri, F 1 ; Ferrari, P 10 ; Fiedler, F 17 ; Fleck, I 18 ; Ford, M 12 ; Frey, A 10 ; Gagnon, P 26 ; Gary, J W 16 ; Geich-Gimbel, C 3 ; Giacomelli, G 1 ; Giacomelli, P 1 ; Giunta, M 16 ; Goldberg, J 23 ; Gross, E 25 ; Grunhaus, J 4 ; Gruwé, M 10 ; Günther, PO 3 ; Gupta, A 6 ; Hajdu, C 22 ; Hamann, M 13 ; Hanson, G G 16 ; Harel, A 23 ; Hauschild, M 10 ; Hawkes, C M 5 ; Hawkings, R 10 ; Hemingway, R J 15 ; Herten, G 18 ; Heuer, R D 13 ; Hill, J C 2 ; Horváth, D 22 ; Igo-Kemenes, P 19 ; Ishii, K 7 ; Jeremie, H 27 ; Jovanovic, P 5 ; Junk, T R 15 ; Kanzaki, J 7 ; Karlen, D 9 ; Kawagoe, K 7 ; Kawamoto, T 7 ; Keeler, R K 9 ; Kellogg, R G 21 ; Kennedy, B W 14 ; Kluth, S 11 ; Kobayashi, T 7 ; Kobel, M 3 ; Komamiya, S 7 ; Krämer, T 13 ; Krasznahorkay, A 24 ; Krieger, P 15 ; J von Krogh 19 ; Kuhl, T 13 ; Kupper, M 25 ; Lafferty, G D 12 ; Landsman, H 23 ; Lanske, D 28 ; Lellouch, D 25 ; Letts, J 5 ; Levinson, L 25 ; Lillich, J 18 ; Lloyd, S L 20 ; Loebinger, F K 12 ; J Lu 8 ; Ludwig, A 3 ; Ludwig, J 18 ; Mader, W 3 ; Marcellini, S 1 ; Martin, A J 20 ; Mashimo, T 7 ; Mättig, P 5 ; McKenna, J 8 ; McPherson, R A 9 ; Meijers, F 10 ; Menges, W 13 ; Merritt, F S 6 ; Mes, H 15 ; Meyer, N 13 ; Michelini, A 1 ; Mihara, S 7 ; Mikenberg, G 25 ; Miller, D J 29 ; Mohr, W 18 ; Mori, T 7 ; Mutter, A 18 ; Nagai, K 20 ; Nakamura, I 7 ; Nanjo, H 7 ; HA, Neal 30 ; Nisius, R 11 ; SW O’Neale 5 ; A Oh 10 ; Oreglia, MJ 6 ; Orito, S 7 ; Pahl, C 11 ; Pásztor, G 16 ; Pater, J R 12 ; Pilcher, JE 6 ; Pinfold, J 31 ; Plane, DE 10 ; Pooth, O 28 ; Przybycień, M 10 ; Quadt, A 3 ; Rabbertz, K 10 ; Rembser, C 10 ; Renkel, P 25 ; Roney, J M 9 ; Rossi, A M 1 ; Rozen, Y 23 ; Runge, K 18 ; Sachs, K 15 ; Saeki, T 7 ; Sarkisyan, EKG 10 ; Schaile, AD 17 ; Schaile, O 17 ; Scharff-Hansen, P 10 ; Schieck, J 11 ; Schörner-Sadenius, T 10 ; Schröder, M 10 ; Schumacher, M 3 ; Seuster, R 28 ; Shears, T G 10 ; Shen, B C 16 ; Sherwood, P 29 ; Skuja, A 21 ; Smith, A M 10 ; Sobie, R 9 ; Söldner-Rembold, S 12 ; Spano, F 6 ; Stahl, A 3 ; Strom, D 32 ; Ströhmer, R 17 ; Tarem, S 23 ; Tasevsky, M 10 ; Teuscher, R 6 ; Thomson, MA 2 ; Torrence, E 32 ; Toya, D 7 ; Tran, P 16 ; Trigger, I 10 ; Trócsányi, Z 24 ; Tsur, E 4 ; Turner-Watson, M F 5 ; Ueda, I 7 ; Ujvári, B 24 ; Vollmer, C F 17 ; Vannerem, P 18 ; Vértesi, R 24 ; Verzocchi, M 21 ; Voss, H 10 ; Vossebeld, J 10 ; Ward, C P 2 ; DR Ward 2 ; Watkins, P M 5 ; Watson, A T 5 ; Watson, N K 5 ; Wells, P S 10 ; Wengler, T 10 ; Wermes, N 3 ; Wilson, G W 12 ; Wilson, JA 5 ; Wolf, G 25 ; Wyatt, T R 12 ; Yamashita, S 7 ; Zer-Zion, D 16 ; Zivkovic, L 25
1 Dipartimento di Fisica, Università di Bologna and INFN, Bologna, Italy
2 Cavendish Laboratory, Cambridge, UK
3 Physikalisches Institut, Universität Bonn, Bonn, Germany
4 Department of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel
5 School of Physics and Astronomy, University of Birmingham, Birmingham, UK
6 Enrico Fermi Institute and Department of Physics, University of Chicago, Chicago, IL, USA
7 International Centre for Elementary Particle Physics and Department of Physics, University of Tokyo, Tokyo, Japan
8 Department of Physics, University of British Columbia, Vancouver, BC, Canada
9 Department of Physics, University of Victoria, Victoria, BC, Canada
10 CERN, European Organisation for Nuclear Research, Geneva 23, Switzerland
11 Max-Planck-Institute für Physik, München, Germany
12 Department of Physics, Schuster Laboratory, The University, Manchester, UK
13 Institut für Experimentalphysik, Universität Hamburg/DESY, Hamburg, Germany
14 CCLRC Rutherford Appleton Laboratory, Didcot, Oxfordshire, UK
15 Ottawa-Carleton Institute for Physics, Department of Physics, Carleton University, Ottawa, Ontario, Canada
16 Department of Physics, University of California, Riverside, CA, USA
17 Sektion Physik, Ludwig-Maximilians-Universität München, Garching, Germany
18 Fakultät für Physik, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
19 Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
20 Queen Mary and Westfield College, University of London, London, UK
21 Department of Physics, University of Maryland, College Park, MD, USA
22 Research Institute for Particle and Nuclear Physics, Budapest, Hungary
23 Department of Physics, Technion-Israel Institute of Technology, Haifa, Israel
24 Institute of Nuclear Research, Debrecen, Hungary
25 Particle Physics Department, Weizmann Institute of Science, Rehovot, Israel
26 Department of Physics, Indiana University, Bloomington, IN, USA
27 Laboratoire de Physique Nucléaire, Université de Montréal, Montréal, Québec, Canada
28 III Physikalisches Institut, Technische Hochschule Aachen, Aachen, Germany
29 University College London, London, UK
30 Department of Physics, Yale University, New Haven, CT, USA
31 Department of Physics, University of Alberta, Edmonton, AB, Canada
32 Department of Physics, University of Oregon, Eugene, OR, USA
1 Dipartimento di Fisica, Università di Bologna and INFN, Bologna, Italy
2 Cavendish Laboratory, Cambridge, UK
3 Physikalisches Institut, Universität Bonn, Bonn, Germany
4 Department of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel
5 School of Physics and Astronomy, University of Birmingham, Birmingham, UK
6 Enrico Fermi Institute and Department of Physics, University of Chicago, Chicago, IL, USA
7 International Centre for Elementary Particle Physics and Department of Physics, University of Tokyo, Tokyo, Japan
8 Department of Physics, University of British Columbia, Vancouver, BC, Canada
9 Department of Physics, University of Victoria, Victoria, BC, Canada
10 CERN, European Organisation for Nuclear Research, Geneva 23, Switzerland
11 Max-Planck-Institute für Physik, München, Germany
12 Department of Physics, Schuster Laboratory, The University, Manchester, UK
13 Institut für Experimentalphysik, Universität Hamburg/DESY, Hamburg, Germany
14 CCLRC Rutherford Appleton Laboratory, Didcot, Oxfordshire, UK
15 Ottawa-Carleton Institute for Physics, Department of Physics, Carleton University, Ottawa, Ontario, Canada
16 Department of Physics, University of California, Riverside, CA, USA
17 Sektion Physik, Ludwig-Maximilians-Universität München, Garching, Germany
18 Fakultät für Physik, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
19 Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
20 Queen Mary and Westfield College, University of London, London, UK
21 Department of Physics, University of Maryland, College Park, MD, USA
22 Research Institute for Particle and Nuclear Physics, Budapest, Hungary
23 Department of Physics, Technion-Israel Institute of Technology, Haifa, Israel
24 Institute of Nuclear Research, Debrecen, Hungary
25 Particle Physics Department, Weizmann Institute of Science, Rehovot, Israel
26 Department of Physics, Indiana University, Bloomington, IN, USA
27 Laboratoire de Physique Nucléaire, Université de Montréal, Montréal, Québec, Canada
28 III Physikalisches Institut, Technische Hochschule Aachen, Aachen, Germany
29 University College London, London, UK
30 Department of Physics, Yale University, New Haven, CT, USA
31 Department of Physics, University of Alberta, Edmonton, AB, Canada
32 Department of Physics, University of Oregon, Eugene, OR, USA
Pages
295-307
Publication year
2006
Publication date
Aug 2006
ISSN
14346044
e-ISSN
14346052
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2334219371
Copyright
The European Physical Journal C - Particles and Fields is a copyright of Springer, (2006). All Rights Reserved.