Bose-Einstein correlations in W-pair decays

Barate, R.; Décamp, D.; Ghez, Ph.; Goy, C.; Jézéquel, S.; Lees, J. P.; Martin, F. F.; Merle, E.; Minard, M.-N.; Pietrzyk, B.; Alemany, R.; Bravo, S.; Casado, M. P.; Chmeissani, M.; Crespo, J.M.; Fernández, E.; Fernández-Bosman, M.; Garrido, Ll.; Graugés, E.; Rozas, A. Juste; Martı́nez, M.; Merino, G.; Miquel, R.; Mir, L. M.; Morawitz, P.; Pacheco, A.; Riu, I.; Ruiz, H.; Colaleo, A.; Creanza, D.; Palma, M. De; Iaselli, G.; Mäggi, G.; Maggi, M.; Nuzzo, S.; Ranieri, A.; Raso, G.; Ruggieri, F.; Selvaggi, G.; Silvestris, L.; Tempesta, P.; Tricomi, A.; Zito, G.; Huang, X. T.; Lin, J.; Ouyang, Q.; Wang, T.; Xie, Y.; Xu, R.; Xue, S.; Zhang, J.; Zhang, L.; Zhao, W.; Abbaneo, D.; Boix, G.; Buchmüller, O.; Cattaneo, M.; Cerutti, F.; Ciulli, V.; Davies, G.; Dissertori, G.; Drevermann, H.; Forty, R.; Frank, M.; Gianotti, F.; Greening, T.C.; Halley, A.W.; Hansen, J. B.; Harvey, J.; Janot, P.; Jost, B.; Kado, M.; Leroy, O.; Maley, P.; Mató, P.; Minten, A.; Moutoussi, A.; Ranjard, F.; Rolandi, G.; Schlatter, D.; Schmitt, M.; Schneider, O.; Spagnolo, P.; Tejessy, W.; Teubert, F.; Tournefier, E.; Valassi, A.; Wright, A.E.; Ajaltouni, Z.; Badaud, F.; Chazelle, G.; Deschamps, O.; Dessagne, S.; Falvard, A.; Ferdi, C.; Guicheney, C.; Henrard, P.; Jousset, J.; Michel, B.; Monteil, S.; Montret, J. C.; Pallin, D.; Pascolo, J.M.; Perret, P.; Podlyski, F.; Hansen, J. D.; Hansen, J. R.; Hansen, P. H.; Nilsson, B.S.; Rensch, B.; Wäänänen, A.; Daskalakis, G.; Kyriakis, A.; Markou, C.; Simopoulou, E.; Vayaki, A.; Blondel, A.; Brient, J. C.; Machefert, F.; Rougé, A.; Swynghedauw, M.; Tanaka, R.; Videau, H.; Focardi, E.; Parrini, G.; Zachariadou, K.; Corden, M.; Georgiopoulos, C.; Antonelli, A.; Bencivenni, G.; Bologna, G.; Bossi, F.; Campana, P.; Capon, G.; Chiarella, V.; Laurelli, P.; Mannocchi, G.; Murtas, F.; Murtas, F.; Passalacqua, L.; Pepe-Altarelli, M.; Chalmers, Matthew; Kennedy, J.; Lynch, J.G.; Negus, P.; O’Shea, V.; Raeven, B.; Smith, D.; Teixeira-Dias, P.; Thompson, A. S.; Ward, J. J.; Cavanaugh, R.; Dhamotharan, S.; Geweniger, C.; Hanke, P.; Hepp, V.; Kluge, E.-E.; Leibenguth, G.; Putzer, A.; Tittel, K.; Werner, S.; Wunsch, M.; Beuselinck, R.; Binnie, D. M.; Cameron, W.; Dornan, P. J.; Girone, M.; Goodsir, S.; Marinelli, N.; Martin, E. B.; Nash, J.; Nowell, J.; Przysiezniak, H.; Sciabà, A.; Sedgbeer, J. K.; Thompson, J.C.; Thomson, E.; Williams, M.; Ghete, V. M.; Girtler, P.; Kneringer, E.; Kühn, D.; Rudolph, G.; Bowdery, C. K.; Buck, P.G.; Ellis, G.; Finch, A. J.; Foster, F.; Hughes, G.; Jones, Roger; Robertson, N. A.; Smižanská, M.; Williams, M.I.; Giehl, I.; Hölldorfer, F.; Jakobs, K.; Kleinknecht, K.; Kröcker, M.; Müller, A.‐S.; Nürnberger, H.-A.; Quast, G.; Renk, B.; Rohne, E.; Sander, H. G.; Schmeling, S.; Wachsmuth, H.; Zeitnitz, C.; Ziegler, T.; Bonissent, A.; Carr, J.; Coyle, P.; Ealet, A.; Fouchez, D.; Payre, P.; Rousseau, D.; Tilquin, A.; Aleppo, M.; Antonelli, M.; Gilardoni, S.; Ragusa, F.; Büscher, V.; Dietl, H.; Ganis, G.; Hüttmann, K.; Lütjens, G.; Mannert, C.; Männer, W.; Moser, H. G.; Schael, S.; Settles, R.; Seywerd, H.; Stenzel, H.; Wiedenmann, W.; Wolf, G.; Azzurri, P.; Boucrot, J.; Callot, O.; Chen, S.; Davier, M.; Duflot, L.; Grivaz, J.-F.; Heusse, P.; Jachołkowska, A.; Lefrançois, J.; Serin, L.; Veillet, J. J.; Videau, I.; Regie, J.B. De Vivie De; Zerwas, D.; Bagliesi, G.; Boccali, T.; Bozzi, C.; Calderini, G.; Dell’Orso, R.; Ferrante, I.; Giassi, A.; Gregorio, A.; Ligabue, F.; Marrocchesi, P. S.; Messineo, A.; Palla, F.; Rizzo, G.; Sanguinetti, G.; Sguazzoni, G.; Тенчини, Р.; Venturi, A.; Verdini, P. G.; Blair, G.A.; Coles, Jane; Cowan, G.; Green, M.G.; Hutchcroft, D. E.; Jones, L.T.; Medcalf, T.; Strong, J. A.; Botterill, D.; Clifft, R. W.; Edgecock, T.R.; Norton, P. R.; Tomalin, I. R.; Bloch-Devaux, B.; Colas, P.; Fabbro, B.; Faı̈f, G.; Lançon, E.; Lemaire, M. C.; Locci, E.; Pérez, P.; Rander, J.; Renardy, J. F.; Rosowsky, A.; Seager, P.; Trabelsi, A.; Tuchming, B.; Vallage, B.; Black, S.N.; Dann, J.H.; Loomis, C.; Kim, H.Y.; Konstantinidis, N.; Litke, A. M.; McNeil, M.A.; Taylor, G. N.; Booth, C.N.; Cartwright, S.; Combley, F.; Hodgson, P.; Lehto, M.; Thompson, L.F.; Affholderbach, K.; Böhrer, A.; Brandt, Siegmund; Grupen, C.; Heß, J.; Misiejuk, A.; Prange, G.; Sieler, U.; Borean, C.; Giannini, G.; Gobbo, B.; Pütz, J.; Rothberg, J.; Wasserbaech, S.; Williams, R.W.; Armstrong, S.R.; Elmer, P.; Ferguson, D.P.S.; Gao, Y. S.; González, S.; Hayes, O.J.; Hu, H.; Jin, S.; Kile, J.; McNamara, Peter; Nielsen, J.; Orejudos, W.; Pan, Y. B.; Saadi, Y.; Scott, I.; Walsh, J.; Wimmersperg-Toeller, J. H. von; Wu, S. L.; Wu, X.; Zobernig, G.

doi:10.1016/s0370-2693(00)00234-3

Cited by 20 publications

(2 citation statements)

References 21 publications

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“…Such procedure is used e.g. by the ALEPH collaboration for studying the correlation of the Λ pairs from the Z decays [22] or for the studies of correlations in W-pairs decays [23].…”

Section: Resultsmentioning

confidence: 99%

Experimental proton-proton correlation function derived for the pp→ppη reaction

Klaja¹,

Moskal²,

Deloff³

2007

AIP Conference Proceedings

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“…Such procedure is used e.g. by the ALEPH collaboration for studying the correlation of the Λ pairs from the Z decays [22] or for the studies of correlations in W-pairs decays [23].…”

Section: Resultsmentioning

confidence: 99%

Experimental proton-proton correlation function derived for the pp→ppη reaction

Klaja¹,

Moskal²,

Deloff³

2007

AIP Conference Proceedings

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“…by the ALEPH, OPAL and DELPHI collaborations for studying the Bose-Einstein or Fermi-Dirac correlations e.g. in the decays of Z boson [26][27][28] or W-pairs [29]. In figure 4 a significant discrepancy between the two-proton correlation functions determined from inclusive heavy ion reactions (triangles) [25] and from exclusive proton-proton measurements (full squares) is clearly visible.…”

Section: Results and Conclusionmentioning

confidence: 96%

Two-proton correlation function for thepp→pp+ η andpp→pp+pionsreactions

Klaja¹,

Moskal²,

Czerwiński³

et al. 2010

J. Phys. G: Nucl. Part. Phys.

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Abstract. For the very first time, the correlation femtoscopy method is applied to a kinematically complete measurement of meson production in the collisions of hadrons. A two-proton correlation function was derived from the data for the pp → ppX reaction, measured near the threshold of η meson production. A technique developed for the purpose of this analysis permitted to establish the correlation function separately for the production of the pp + η and of the pp + pions systems. The shape of the two-proton correlation function for the ppη differs from that for the pp(pions) and both do not show a peak structure opposite to results determined for inclusive measurements of heavy ion collisions.

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Surprises in Bose-Einstein correlations

Zalewski

2004

Nuclear Physics B - Proceedings Supplements

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Four experimental results, which seem to contradict the established ideas about the Bose-Einstein correlations in multiple particle production precesses, are briefly presented and discussed. INTRODUCTIONThe study of Bose-Einstein correlations (further quoted BEC ) in multiple particle production processes is an important source of information about the interaction region, i.e. about the region, where the hadrons are produced. One would like to know the size and shape of this region as well as its orientation with respect to the momentum of the incident particle and to the impact parameter vector. For the matter inside one would like to know: its flows, its equation of state and its phase transitions. Much information has already been obtained (cf. the reviews [1], [2], [3], [4] and references quoted there), its reliability, however, depends on the correctness of our interpretation of the observed BEC.Four surprising experimental results concerning BEC will be here briefly presented and discussed. By surprising we do not just mean that they disagree with some specific model, but that they seem to contradict the basic physical pictures used to build most of the currently popular models. Perhaps in the future some trivial explanations will be found, but if not, these observations may lead to a reinterpretation of the BEC data and consequently to changes in our conclusions concerning the interaction region. Thus the questions raised are interesting and potentially important. * Supported in part by the KBN grant 2P03B 093 22

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Bose-Einstein correlations in W-pair decays

Cited by 20 publications

References 21 publications

Experimental proton-proton correlation function derived for the pp→ppη reaction

Experimental proton-proton correlation function derived for the pp→ppη reaction

Two-proton correlation function for thepp→pp+ η andpp→pp+pionsreactions

Surprises in Bose-Einstein correlations

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