# IV international conference on particle physics and astrophysics

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

## Measurement of the $t\bar{t}H$ production

23 Oct 2018, 09:00
20m
Alekseevskiy hall (Hotel Intourist Kolomenskoye 4*)

### Alekseevskiy hall

#### Hotel Intourist Kolomenskoye 4*

Kashyrskoye shosse, 39B, Moscow, Russia, 115409
Plenary/section talk Particle physics

### Speaker

Johannes Mellenthin (II. Physikalisches Institut, Georg-August-Universität Göttingen)

### Description

The top quark is the heaviest elementary particle in the Standard Model, and has an
expected Yukawa coupling of order unity. The value of this coupling is a key ingredient to unravel the nature of the observed Higgs boson. The only known process which has a direct sensitivity to this coupling is the production of a Higgs boson in association with a top quark-pair ($t\bar{t}H$). This talk will present an overview of the $\sqrt{s}$ = 13 TeV $t\bar{t}H$ ATLAS analyses leading to the observation of this process.

### Primary author

Johannes Mellenthin (II. Physikalisches Institut, Georg-August-Universität Göttingen)

### Presentation Materials

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