# IV international conference on particle physics and astrophysics

22-26 October 2018
Hotel Intourist Kolomenskoye 4*
Europe/Moscow timezone

## Femtoscopic scales of particle-emitting source in small and large systems

26 Oct 2018, 17:10
15m
Moskvorechye 1 hall (Hotel Intourist Kolomenskoye 4*)

### Moskvorechye 1 hall

#### Hotel Intourist Kolomenskoye 4*

Kashyrskoye shosse, 39B, Moscow, Russia, 115409
Plenary/section talk Nuclear physics: heavy ion

Varvara Semenova

### Description

The femtoscopy technique allows one to measure the spatial and temporal scales of the particle-emitting source produced at high energy collisions. In non-central ultra-relativistic heavy-ion collisions, emitting source may be tilted in the reaction plane. The orientation of freeze-out distributions is interesting because it provides complementary information about quark-gluon matter properties. In the experiment, the tilt can be extracted by measuring femtoscopic radii as a function of the pair angle with respect to the first-order event plane.

In this talk, we will present results of azimuthally sensitive femtoscopic analysis of Au+Au collisions at 200 GeV using UrQMD and vHLLE models. We will also present the transverse momentum and multiplicity dependence of identical pion and kaon femtoscopic radii from d+Au, $^{3}$He+Au collisions at 200 GeV obtained from the UrQMD model.

### Presentation Materials

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