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Probing Chirality of Top-Higgs FCNC Couplings at Linear Colliders


Melic, Blazenka; Patra, Monalisa
Probing Chirality of Top-Higgs FCNC Couplings at Linear Colliders // 2017 European Physical Society Conference on High Energy Physics (EPS-HEP 2017) / Checchia, Paolo et al (ur.).
SISSA: Sissa Medialab, 2017. str. 316-321 doi:10.22323/1.314.0316 (pozvano predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Probing Chirality of Top-Higgs FCNC Couplings at Linear Colliders

Autori
Melic, Blazenka ; Patra, Monalisa

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Skup
2017 European Physical Society Conference on High Energy Physics (EPS-HEP 2017)

Mjesto i datum
Venecija, Italija, 5-12.07.2018

Vrsta sudjelovanja
Pozvano predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Linear collider, top physics, FCNC

Sažetak
We study the nature of the top-Higgs flavor changing neutral current (FCNC) couplings in the tt¯ production at polarized linear colliders. We show how the polarized linear colliders can be used to determine the chirality of the FCNC coupling by using the angular distributions of the top decay products and by examining relevant asymmetries along with the top spin polarizations and correlations. We obtain a limit on the couplings and find the 3σ upper bound on BR(t → qH) < 8.84×10−4 at √s = 500 GeV and L = 500 fb−1.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
EK-H2020-692194 (Fabrizio NESTI, EK - H2020-TWINN-2015)
HRZZ-IP-2013-11-5169 - Fizika Standardnog modela i njena proširenja (Blazenka Melic, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Autor s matičnim brojem:
Blaženka Melić, (181332)

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