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arXiv · 1309.5732

Measurability of phi, omega and rho mesons via di-electron decays in high-temperature states produced in heavy-ion collisions

Yoshihide Nakamiya·Kensuke Homma
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Abstract

We discuss measurability of phi, omega and rho mesons via di-electron decays in high-temperature states produced in heavy-ion collisions, equivalently at different pion multiplicities per heavy-ion collision dN_{pi^{0} + pi^{+-}}/dy = 1000 and 2700 intended for the most central Au+Au collisions at sqrt(s_{NN}) = 200 GeV (RHIC) and the most central Pb+Pb collisions at sqrt(s_{NN}) = 5.5 TeV (LHC), by evaluating the signal-to-background ratios and the statistical significance for the idealized detection system in the numerical simulation. The simulation study provides a guideline to be applicable to a concrete detector design by focusing on only the key experimental issues relevant to the measurement of di-electrons. The results suggest that there are realizable parameter ranges to measure light vector mesons via di-electrons with the reasonable significance level, even in the highest multiplicity case.

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Yoshihide Nakamiya, Kensuke Homma. 2013-09-24. Measurability of phi, omega and rho mesons via di-electron decays in high-temperature states produced in heavy-ion collisions. https://doi.org/10.1093/ptep%2Fptt088

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