Rescattering effects on intensity interferometry
Joseph I. Kapusta,Yang Li +1 more
TL;DR: In this paper, a general formula for the correlation function of two identical particles with the inclusion of multiple elastic scatterings in the medium in which the two particles are produced is derived and applied to the special case where the scatterers are static, localized two-body potentials.
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Abstract: We derive a general formula for the correlation function of two identical particles with the inclusion of multiple elastic scatterings in the medium in which the two particles are produced. This formula involves the propagator of the particle in the medium. As an illustration of the effect we apply the formula to the special case where the scatterers are static, localized two-body potentials. In this illustration both R{sub side}{sup 2} and R{sub out}{sup 2} are increased by an amount proportional to the square of the spatial density of scatterers and to the differential cross section. Specific numbers are used to show the expected magnitude of the rescattering effect on kaon interferometry.
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Citations
Intensity Interferometry for a Chaotic Source with a Collective Flow and Multiple Scattering
TL;DR: In this paper, the effects of collective flow and multiple scattering on two-particle correlation measurements in Hanbury-Brown-Twiss intensity interferometry were studied, and it was shown that under a collective flow, the effective source distribution in a two particle correlation measurement depends on the initial source distribution.
19
Polishing the lens: I. Pionic final state interactions and HBT correlations: distorted wave emission-function (DWEF) formalism and examples
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Effects of source opacity and expansion on two-pion Bose-Einstein correlations
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TL;DR: In this article, the authors examined two-pion Bose-Einstein correlations for partially coherent particle-emitting sources within quantum statistical formalism, where the sources are treated as classical currents with chaotic and coherent components.
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Understanding the optical potential in Hanbury-Brown-Twiss interferometry
TL;DR: The validity of using a pion optical potential to incorporate the effects of final state interactions on Hanbury-Brown-Twiss interferometry has been investigated in this paper, where it is shown that if the optical potential is real, the standard formalism is modified as previously described in the literature.
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