Abstract
Anomalous quartic couplings between the electroweak gauge bosons may contribute to the [Formula Presented] and [Formula Presented] final states produced in [Formula Presented] collisions. This analysis uses the LEP2 OPAL data sample at center-of-mass energies up to 209 GeV. Event selections identify [Formula Presented] and [Formula Presented] events in which the two photons are reconstructed within the detector acceptance. The cross section for the process [Formula Presented] is measured. Averaging over all energies, the ratio of the observed [Formula Presented] cross section to the standard model expectation is [Formula Presented] where the errors represent the statistical and systematic uncertainties respectively. The [Formula Presented] and [Formula Presented] data are used to constrain possible anomalous [Formula Presented] and [Formula Presented] couplings. Combining with previous OPAL results from the [Formula Presented] final state, the 95% confidence level limits on the anomalous coupling parameters [Formula Presented] [Formula Presented] [Formula Presented] and [Formula Presented] are found to be [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] where [Formula Presented] is the energy scale of the new physics. Limits found when allowing two or more parameters to vary are also presented.
| Original language | English |
|---|---|
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 70 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2004 |
| Externally published | Yes |
ASJC Scopus subject areas
- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)
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Constraints on anomalous quartic gauge boson couplings from [Formula Presented] and [Formula Presented] events at CERN LEP2. / Abbiendi, G.; Ainsley, C.; Åkesson, P. F.; Alexander, G.; Allison, J.; Amaral, P.; Anagnostou, G.; Anderson, K. J.; Asai, S.; Axen, D.; Azuelos, G.; Bailey, I.; Barberio, E.; Barillari, T.; Barlow, R. J.; Batley, R. J.; Bechtle, P.; Behnke, T.; Bell, K. W.; Bell, P. J.; Bella, G.; Bellerive, A.; Benelli, G.; Bethke, S.; Biebel, O.; Boeriu, O.; Bock, P.; Boutemeur, M.; Braibant, S.; Brigliadori, L.; Brown, R. M.; Buesser, K.; Burckhart, H. J.; Campana, S.; Carnegie, R. K.; Carter, A. A.; Carter, J. R.; Chang, C. Y.; Charlton, D. G.; Ciocca, C.; Csilling, A.; Cuffiani, M.; Dado, S.; Roeck, A.; Wolf, E. A.; Desch, K.; Dienes, B.; Donkers, M.; Dubbert, J.; Duchovni, E.; Duckeck, G.; Duerdoth, I. P.; Etzion, E.; Fabbri, F.; Feld, L.; Ferrari, P.; Fiedler, F.; Fleck, I.; Ford, M.; Frey, A.; Gagnon, P.; Gary, J. W.; Gaycken, G.; Geich-Gimbel, C.; Giacomelli, G.; Giacomelli, P.; Giunta, M.; Goldberg, J.; Gross, E.; Grunhaus, J.; Gruwé, M.; Günther, P. O.; Gupta, A.; Hajdu, C.; Hamann, M.; Hanson, G. G.; Harel, A.; Hauschild, M.; Hawkes, C. M.; Hawkings, R.; Hemingway, R. J.; Herten, G.; Heuer, R. D.; Hill, J. C.; Hoffman, K.; Horváth, D.; Igo-Kemenes, P.; Ishii, K.; Jeremie, H.; Jovanovic, P.; Junk, T. R.; Kanaya, N.; Kanzaki, J.; Karlen, D.; Kawagoe, K.; Kawamoto, T.; Keeler, R. K.; Kellogg, R. G.; Kennedy, B. W.; Kluth, S.; Kobayashi, T.; Kobel, M.; Komamiya, S.; Krämer, T.; Krieger, P.; von Krogh, J.; Kruger, K.; Kuhl, T.; Kupper, M.; Lafferty, G. D.; Landsman, H.; Lanske, D.; Layter, J. G.; Lellouch, D.; Letts, J.; Levinson; Lillich, J.; Lloyd, S. L.; Loebinger, F. K.; Lu, J.; Ludwig, A.; Ludwig, J.; Mader, W.; Marcellini, S.; Martin, A. J.; Masetti, G.; Mashimo, T.; Mättig, P.; McKenna; McPherson, R. A.; Meijers, F.; Menges, W.; Merritt, F. S.; Mes, H.; Meyer, N.; Michelini, A.; Mihara, S.; Mikenberg, G.; Miller, D. J.; Moed, S.; Mohr, W.; Mori, T.; Mutter, A.; Nagai, K.; Nakamura, I.; Nanjo, H.; Neal, H. A.; Nisius, R.; O’Neale, S. W.; Oh, A.; Oreglia, M. J.; Orito, S.; Pahl, C.; Pásztor, G.; Pater, J. R.; Pilcher, J. E.; Pinfold, J.; Plane, D. E.; Poli, B.; Pooth, O.; Przybycień, M.; Quadt, A.; Rabbertz, K.; Rembser, C.; Renkel, P.; Roney, J. M.; Rozen, Y.; Runge, K.; Sachs, K.; Saeki, T.; Sarkisyan, E. K.G.; Schaile, A. D.; Schaile, O.; Scharff-Hansen, P.; Schieck, J.; Schörner-Sadenius, T.; Schröder, M.; Schumacher, M.; Scott, W. G.; Seuster, R.; Shears, T. G.; Shen, B. C.; Sherwood, P.; Skuja, A.; Smith, A. M.; Sobie, R.; Söldner-Rembold, S.; Spano, F.; Stahl, A.; Strom, D.; Ströhmer, R.; Tarem, S.; Tasevsky, M.; Teuscher, R.; Thomson, M. A.; Torrence, E.; Toya, D.; Tran, P.; Trigger, I.; Trócsányi, Z.; Tsur, E.; Turner-Watson, M. F.; Ueda, I.; Ujvári, B.; Vollmer, C. F.; Vannerem, P.; Vértesi, R.; Verzocchi, M.; Voss, H.; Vossebeld, J.; Ward, C. P.; Ward, D. R.; Watkins, P. M.; Watson, A. T.; Watson, N. K.; Wells, P. S.; Wengler, T.; Wermes, N.; Wilson, G. W.; Wilson, J. A.; Wolf, G.; Wyatt, T. R.; Yamashita, S.; Zer-Zion, D.; Zivkovic, L.
In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 70, No. 3, 2004.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Constraints on anomalous quartic gauge boson couplings from [Formula Presented] and [Formula Presented] events at CERN LEP2
AU - Abbiendi, G.
AU - Ainsley, C.
AU - Åkesson, P. F.
AU - Alexander, G.
AU - Allison, J.
AU - Amaral, P.
AU - Anagnostou, G.
AU - Anderson, K. J.
AU - Asai, S.
AU - Axen, D.
AU - Azuelos, G.
AU - Bailey, I.
AU - Barberio, E.
AU - Barillari, T.
AU - Barlow, R. J.
AU - Batley, R. J.
AU - Bechtle, P.
AU - Behnke, T.
AU - Bell, K. W.
AU - Bell, P. J.
AU - Bella, G.
AU - Bellerive, A.
AU - Benelli, G.
AU - Bethke, S.
AU - Biebel, O.
AU - Boeriu, O.
AU - Bock, P.
AU - Boutemeur, M.
AU - Braibant, S.
AU - Brigliadori, L.
AU - Brown, R. M.
AU - Buesser, K.
AU - Burckhart, H. J.
AU - Campana, S.
AU - Carnegie, R. K.
AU - Carter, A. A.
AU - Carter, J. R.
AU - Chang, C. Y.
AU - Charlton, D. G.
AU - Ciocca, C.
AU - Csilling, A.
AU - Cuffiani, M.
AU - Dado, S.
AU - Roeck, A.
AU - Wolf, E. A.
AU - Desch, K.
AU - Dienes, B.
AU - Donkers, M.
AU - Dubbert, J.
AU - Duchovni, E.
AU - Duckeck, G.
AU - Duerdoth, I. P.
AU - Etzion, E.
AU - Fabbri, F.
AU - Feld, L.
AU - Ferrari, P.
AU - Fiedler, F.
AU - Fleck, I.
AU - Ford, M.
AU - Frey, A.
AU - Gagnon, P.
AU - Gary, J. W.
AU - Gaycken, G.
AU - Geich-Gimbel, C.
AU - Giacomelli, G.
AU - Giacomelli, P.
AU - Giunta, M.
AU - Goldberg, J.
AU - Gross, E.
AU - Grunhaus, J.
AU - Gruwé, M.
AU - Günther, P. O.
AU - Gupta, A.
AU - Hajdu, C.
AU - Hamann, M.
AU - Hanson, G. G.
AU - Harel, A.
AU - Hauschild, M.
AU - Hawkes, C. M.
AU - Hawkings, R.
AU - Hemingway, R. J.
AU - Herten, G.
AU - Heuer, R. D.
AU - Hill, J. C.
AU - Hoffman, K.
AU - Horváth, D.
AU - Igo-Kemenes, P.
AU - Ishii, K.
AU - Jeremie, H.
AU - Jovanovic, P.
AU - Junk, T. R.
AU - Kanaya, N.
AU - Kanzaki, J.
AU - Karlen, D.
AU - Kawagoe, K.
AU - Kawamoto, T.
AU - Keeler, R. K.
AU - Kellogg, R. G.
AU - Kennedy, B. W.
AU - Kluth, S.
AU - Kobayashi, T.
AU - Kobel, M.
AU - Komamiya, S.
AU - Krämer, T.
AU - Krieger, P.
AU - von Krogh, J.
AU - Kruger, K.
AU - Kuhl, T.
AU - Kupper, M.
AU - Lafferty, G. D.
AU - Landsman, H.
AU - Lanske, D.
AU - Layter, J. G.
AU - Lellouch, D.
AU - Letts, J.
AU - Levinson,
AU - Lillich, J.
AU - Lloyd, S. L.
AU - Loebinger, F. K.
AU - Lu, J.
AU - Ludwig, A.
AU - Ludwig, J.
AU - Mader, W.
AU - Marcellini, S.
AU - Martin, A. J.
AU - Masetti, G.
AU - Mashimo, T.
AU - Mättig, P.
AU - McKenna,
AU - McPherson, R. A.
AU - Meijers, F.
AU - Menges, W.
AU - Merritt, F. S.
AU - Mes, H.
AU - Meyer, N.
AU - Michelini, A.
AU - Mihara, S.
AU - Mikenberg, G.
AU - Miller, D. J.
AU - Moed, S.
AU - Mohr, W.
AU - Mori, T.
AU - Mutter, A.
AU - Nagai, K.
AU - Nakamura, I.
AU - Nanjo, H.
AU - Neal, H. A.
AU - Nisius, R.
AU - O’Neale, S. W.
AU - Oh, A.
AU - Oreglia, M. J.
AU - Orito, S.
AU - Pahl, C.
AU - Pásztor, G.
AU - Pater, J. R.
AU - Pilcher, J. E.
AU - Pinfold, J.
AU - Plane, D. E.
AU - Poli, B.
AU - Pooth, O.
AU - Przybycień, M.
AU - Quadt, A.
AU - Rabbertz, K.
AU - Rembser, C.
AU - Renkel, P.
AU - Roney, J. M.
AU - Rozen, Y.
AU - Runge, K.
AU - Sachs, K.
AU - Saeki, T.
AU - Sarkisyan, E. K.G.
AU - Schaile, A. D.
AU - Schaile, O.
AU - Scharff-Hansen, P.
AU - Schieck, J.
AU - Schörner-Sadenius, T.
AU - Schröder, M.
AU - Schumacher, M.
AU - Scott, W. G.
AU - Seuster, R.
AU - Shears, T. G.
AU - Shen, B. C.
AU - Sherwood, P.
AU - Skuja, A.
AU - Smith, A. M.
AU - Sobie, R.
AU - Söldner-Rembold, S.
AU - Spano, F.
AU - Stahl, A.
AU - Strom, D.
AU - Ströhmer, R.
AU - Tarem, S.
AU - Tasevsky, M.
AU - Teuscher, R.
AU - Thomson, M. A.
AU - Torrence, E.
AU - Toya, D.
AU - Tran, P.
AU - Trigger, I.
AU - Trócsányi, Z.
AU - Tsur, E.
AU - Turner-Watson, M. F.
AU - Ueda, I.
AU - Ujvári, B.
AU - Vollmer, C. F.
AU - Vannerem, P.
AU - Vértesi, R.
AU - Verzocchi, M.
AU - Voss, H.
AU - Vossebeld, J.
AU - Ward, C. P.
AU - Ward, D. R.
AU - Watkins, P. M.
AU - Watson, A. T.
AU - Watson, N. K.
AU - Wells, P. S.
AU - Wengler, T.
AU - Wermes, N.
AU - Wilson, G. W.
AU - Wilson, J. A.
AU - Wolf, G.
AU - Wyatt, T. R.
AU - Yamashita, S.
AU - Zer-Zion, D.
AU - Zivkovic, L.
PY - 2004
Y1 - 2004
N2 - Anomalous quartic couplings between the electroweak gauge bosons may contribute to the [Formula Presented] and [Formula Presented] final states produced in [Formula Presented] collisions. This analysis uses the LEP2 OPAL data sample at center-of-mass energies up to 209 GeV. Event selections identify [Formula Presented] and [Formula Presented] events in which the two photons are reconstructed within the detector acceptance. The cross section for the process [Formula Presented] is measured. Averaging over all energies, the ratio of the observed [Formula Presented] cross section to the standard model expectation is [Formula Presented] where the errors represent the statistical and systematic uncertainties respectively. The [Formula Presented] and [Formula Presented] data are used to constrain possible anomalous [Formula Presented] and [Formula Presented] couplings. Combining with previous OPAL results from the [Formula Presented] final state, the 95% confidence level limits on the anomalous coupling parameters [Formula Presented] [Formula Presented] [Formula Presented] and [Formula Presented] are found to be [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] where [Formula Presented] is the energy scale of the new physics. Limits found when allowing two or more parameters to vary are also presented.
AB - Anomalous quartic couplings between the electroweak gauge bosons may contribute to the [Formula Presented] and [Formula Presented] final states produced in [Formula Presented] collisions. This analysis uses the LEP2 OPAL data sample at center-of-mass energies up to 209 GeV. Event selections identify [Formula Presented] and [Formula Presented] events in which the two photons are reconstructed within the detector acceptance. The cross section for the process [Formula Presented] is measured. Averaging over all energies, the ratio of the observed [Formula Presented] cross section to the standard model expectation is [Formula Presented] where the errors represent the statistical and systematic uncertainties respectively. The [Formula Presented] and [Formula Presented] data are used to constrain possible anomalous [Formula Presented] and [Formula Presented] couplings. Combining with previous OPAL results from the [Formula Presented] final state, the 95% confidence level limits on the anomalous coupling parameters [Formula Presented] [Formula Presented] [Formula Presented] and [Formula Presented] are found to be [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] where [Formula Presented] is the energy scale of the new physics. Limits found when allowing two or more parameters to vary are also presented.
UR - http://www.scopus.com/inward/record.url?scp=84989308287&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84989308287&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.70.032005
DO - 10.1103/PhysRevD.70.032005
M3 - Article
AN - SCOPUS:84989308287
VL - 70
JO - Physical Review D - Particles, Fields, Gravitation and Cosmology
JF - Physical Review D - Particles, Fields, Gravitation and Cosmology
SN - 1550-7998
IS - 3
ER -