Exploring Lifetime Effects in Femtoscopy
D.A. Brown, R. Soltz, J. Newby, A. Kisiel
TL;DR
This paper examines how resonance lifetimes and emission durations influence femtoscopy measurements at RHIC, revealing that non-Gaussian effects are significant and affect Gaussian fit parameters.
Contribution
It demonstrates the impact of non-Gaussian components on femtoscopy source imaging and the sensitivity of R_out to these effects under realistic experimental conditions.
Findings
Non-Gaussian components align with published source images.
Gaussian fit R_out is sensitive to non-Gaussian effects.
Realistic acceptance cuts influence femtoscopy parameter extraction.
Abstract
We investigate the role of lifetime effects from resonances and emission duration tails in femtoscopy at RHIC in two Blast-Wave models. We find the non-Gaussian components compare well with published source imaged data, but the value of R_out obtained from Gaussian fits is not insensitive to the non-Gaussian contributions when realistic acceptance cuts are applied to models.
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Taxonomy
TopicsColorectal Cancer Screening and Detection