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The European Physical Journal C
ISSN: 1434-6044 (printed version)
ISSN: 1434-6052 (electronic version)
Abstract Volume 4 Issue 4 (1998) pp 705-709
DOI 10.1007/s100529800799
theoretical physics:
Non-standard peak values of the Bose-Einstein correlations and their possible interpretation by a metric description of strong interactions
F. Cardone (1) (a), M. Gaspero (2)(3), R. Mignani (3)(4)
(1) Università della Tuscia, Istituto di Genio Rurale, Via S. Camillo De Lellis, I-01100 Viterbo, Italy and CNR-GNFM
(2) Dipartimento di Fisica, Università degli Studi "La Sapienza", P.le A. Moro, 2, I-00185 Roma, Italy
(3) I.N.F.N. Sezione di Roma 1, c/o Dipartimento di Fisica, Università degli Studi "La Sapienza", P.le A. Moro, 2, I-00185 Roma, Italy
(4) Dipartimento di Fisica "E. Amaldi", Università degli Studi "Roma Tre", Via della Vasca Navale, 84, I-00146 Roma, Italy
Received: 22 May 1997 / Revised version: 23 October 1997 / Published online: 30 March 1998
Abstract. We critically reanalyze some recent experimental data on the Bose-Einstein (BE) correlations in pion production. We show that there is, in some cases, an experimental evidence for a peak height of the correlation function greater than two, contrarily to the predictions of the "canonical" theory of BE correlations. Although an explanation of such an "anomalous" value can be given by means of suitable phenomenological models, we show that this result is a straightforward consequence of the treatment of BE correlations within the framework of a description of strong interactions in terms of a deformed Minkowski metric.
(a) On leave from Università Gregoriana, P.zza della Pilotta 4, 00187 Roma, Italy
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Online publication: July 20, 1998
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