Two-dimensional analysis of Bose-Einstein correlations in hadronic Z decays at LEP

Heister, A. et al. (2004) Two-dimensional analysis of Bose-Einstein correlations in hadronic Z decays at LEP. European Physical Journal C, 36(2), pp. 147-159. (doi:10.1140/epjc/s2004-01884-3)

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Publisher's URL: http://dx.doi.org/10.1140/epjc/s2004-01884-3

Abstract

Bose-Einstein correlations are studied in pairs of charged pions from hadronic Z decays, collected by the ALEPH detector. The correlation function, measured using either the unlike-sign or the mixed reference sample, is studied in terms of the Lorentz-invariant four-momentum difference and its transverse, Q(T), and longitudinal, Q(L), components with respect to the longitudinal centre-of-mass system. Values for the correlation radii, R-T and R-L, are obtained from the fit of the Goldhaber parametrisation. The results indicate that the correlation radii values depend on the chosen kind of reference sample and on the two-jet purity.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Robertson, Professor Norna and Negus, Dr Peter
Authors: Heister, A., Schael, S., Barate, R., Bruneliere, R., De Bonis, I., Decamp, D., Goy, C., Jezequel, S., Lees, J.P., Martin, F., Merle, E., Minard, M.N., Pietrzyk, B., Trocme, B., Bravo, S., Casado, M.P., Chmeissani, M., Crespo, J.M., Fernandez, E., Fernandez-Bosman, M., Garrido, L., Martinez, M., Pacheco, A., Ruiz, H., Colaleo, A., Creanza, D., De Filippis, N., de Palma, M., Laselli, G., Maggi, G., Maggi, M., Nuzzo, S., Ranieri, A., Raso, G., Ruggieri, F., Selvaggi, G., Silvestris, L., Tempesta, P., Tricomi, A., Zito, G., Huang, X., Lin, J., Ouyang, Q., Wang, T., Xie, Y., Xu, R., Xue, S., Zhang, J., Zhang, L., Zhao, W., Abbaneo, D., Barklow, T., Buchmuller, O., Cattaneo, M., Clerbaux, B., Drevermann, H., Forty, R.W., Frank, M., Gianotti, F., Hansen, J.B., Harvey, J., Hutchcroft, D.E., Janot, P., Jost, B., Kado, M., Mato, P., Moutoussi, A., Ranjard, F., Rolandi, L., Schlatter, D., Sguazzoni, G., Teubert, F., Valassi, A., Videau, I., Badaud, F., Dessagne, S., Falvard, A., Fayolle, D., Gay, P., Jousset, J., Michel, B., Monteil, S., Pallin, D., Pascolo, J.M., Perret, P., Hansen, J.D., Hansen, J.R., Hansen, P.H., Kraan, A.C., Muresan, R., Nilsson, B.S., Kyriakis, A., Markou, C., Simopoulou, E., Vayaki, A., Zachariadou, K., Blondel, A., Brient, J.C., Machefert, F., Rouge, A., Videau, H., Ciulli, V., Focardi, E., Parrini, G., Antonelli, A., Antonelli, M., Bencivenni, G., Bossi, F., Capon, G., Cerutti, F., Chiarella, V., Laurelli, P., Mannocchi, G., Murtas, G.P., Passalacqua, L., Kennedy, J., Lynch, J.G., Negus, P., O'Shea, V., Thompson, A.S., Wasserbaech, S., Cavanaugh, R., Dhamotharan, S., Geweniger, C., Hanke, P., Hepp, V., Kluge, E.E., Putzer, A., Stenzel, H., Tittel, K., Wunsch, M., Beuselinck, R., Cameron, W., Davies, G., Dornan, P.J., Girone, M., Hill, R.D., Marinelli, N., Nowell, J., Rutherford, S.A., Sedgbeer, J.K., Thompson, J.C., White, R., Ghete, V.M., Girtler, P., Kneringer, E., Kuhn, D., Rudolph, G., Bouhova-Thacker, E., Bowdery, C.K., Clarke, D.P., Ellis, G., Finch, A.J., Foster, F., Hughes, G., Jones, R.W.L., Pearson, M.R., Robertson, N.A., Smizanska, M., van der Aa, O., Delaere, C., Leibenguth, G., Lemaitre, V., Blumenschein, U., Holldorfer, F., Jakobs, K., Kayser, F., Kleinknecht, K., Muller, A.S., Renk, B., Sander, H.G., Schmeling, S., Wachsmuth, H., Zeitnitz, C., Ziegler, T., Bonissent, A., Coyle, P., Curtil, C., Ealet, A., Fouchez, D., Payre, P., Tilquin, A., Ragusa, F., David, A., Dietl, H., Ganis, G., Huttmann, K., Lutjens, G., Manner, W., Moser, H.G., Settles, R., Villegas, M., Wolf, G., Boucrot, J., Callot, O., Davier, M., Duflot, L., Grivaz, J.F., Heusse, P., Jacholkowska, A., Serin, L., Veillet, J.J., Azzurri, P., Bagliesi, G., Boccali, T., Foa, L., Giammanco, A., Giassi, A., Ligabue, F., Messineo, A., Palla, F., Sanguinetti, G., Sciaba, A., Spagnolo, P., Tenchini, R., Venturi, A., Verdini, P.G., Awunor, O., Blair, G.A., Cowan, G., Garcia-Bellido, A., Green, M.G., Medcalf, T., Misiejuk, A., Strong, J.A., Teixeira-Dias, P., Clifft, R.W., Edgecock, T.R., Norton, P.R., Tomalin, I.R., Ward, J.J., Bloch-Devaux, B., Boumediene, D., Colas, P., Fabbro, B., Lancon, E., Lemaire, M.C., Locci, E., Perez, P., Rander, J., Tuchming, B., Vallage, B., Litke, A.M., Taylor, G., Booth, C.N., Cartwright, S., Combley, F., Hodgson, P.N., Lehto, M., Thompson, L.F., Bohrer, A., Brandt, S., Grupen, C., Hess, J., and Ngac, A.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:European Physical Journal C
Publisher:Springer
ISSN:1434-6044
ISSN (Online):1434-6052

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