Global Conservation Laws and Femtoscopy of Small Systems

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dc.creatorChajecki, Zbigniew
dc.creatorLisa, Mike
dc.date2008-02-29
dc.date2008-10-05
dc.date.accessioned2026-07-07T12:37:53Z
dc.date.available2026-07-07T12:37:53Z
dc.descriptionIt is important to understand, in detail, two-pion correlations measured in p+p and d+A collisions. In particular, one wishes to understand the femtoscopic correlations, in order to compare to similar measurements in heavy ion collisions. However, in the low-multiplicity final states of these systems, global conservation laws generate significant N-body correlations which project onto the two-pion space in non-trivial ways and complicate the femtoscopic analysis. We discuss a formalism to calculate and account for these correlations in collisions dominated by a single particle species (e.g. pions). We also discuss effects on two-particle correlations between non-identical particles, the understanding of which may be important in the study of femtoscopic space-time asymmetries.
dc.description17 pages, 15 figures; version 2 now shows explicitly that off-diagonal terms in covariance matrix vanish when using multivariate central limit theorem, in Section V; also, figures updated for clarity, references added, and discussion of binning effects moved to an appendix
dc.identifierhttps://arxiv.org/abs/0803.0022
dc.identifierhttp://arxiv.org/abs/0803.0022
dc.identifierPhys.Rev.C78:064903,2008
dc.identifierdoi:10.1103/PhysRevC.78.064903
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218565
dc.subjectNuclear Theory
dc.titleGlobal Conservation Laws and Femtoscopy of Small Systems
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