Results 21 to 30 of about 1,843 (262)

Calibration of the light-flavour jet mistagging efficiency of the b-tagging algorithms with Z+jets events using 139  $$\textrm{fb}^{-1}$$ fb - 1 of ATLAS proton–proton collision data at $$\sqrt{s} = 13$$ s = 13  TeV

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
The identification of b-jets, referred to as b-tagging, is an important part of many physics analyses in the ATLAS experiment at the Large Hadron Collider and an accurate calibration of its performance is essential for high-quality physics results.
G. Aad   +2931 more
doaj   +1 more source

New Physics searches in heavy flavours in ATLAS

open access: yesEPJ Web of Conferences, 2013
Precision determinations of the flavour sector allow the search for indirect new physics signatures. At the forefront of these studies are the determinations of interference of new physics with known ΔF = 1 and ΔF = 2 processes.
Leontsinis Stefanos
doaj   +1 more source

Searching for BSM physics in Yukawa couplings and flavour symmetries

open access: yesJournal of High Energy Physics, 2022
In the framework of the Standard Model Effective Field Theory, we compare the lower bounds on the scale of new physics possibly contributing to the f f ¯ h $$ f\overline{f}h $$ effective couplings, obtained from the measurements of different observables,
J. Alonso-González   +3 more
doaj   +1 more source

B decay anomalies at LHCb

open access: yesEPJ Web of Conferences, 2018
The LHCb collaboration has provided a plethora of precise measurements of flavour observables in the last years. In the B meson sector some of these results show consistent deviations from Standard Model predictions with a clear tendency to specific New ...
Oyanguren Arantza
doaj   +1 more source

A connection between flavour anomaly, neutrino mass, and axion

open access: yesJournal of High Energy Physics, 2020
We propose a minimal model in which the flavour anomaly in the b → sμ + μ − transition is connected to the breaking of Peccei-Quinn (PQ) symmetry. The flavour anomaly is explained from new physics contribution by introducing one generation of heavy quark
Seungwon Baek
doaj   +1 more source

Flavourful SMEFT likelihood for Higgs and electroweak data

open access: yesJournal of High Energy Physics, 2020
We perform an updated fit to LHC Higgs data and LEP electroweak precision tests in the framework of the Standard Model Effective Field Theory (SMEFT). We assume a generic structure of the SMEFT operators without imposing any flavour symmetries.
Adam Falkowski, David Straub
doaj   +1 more source

Flavor physics without flavor symmetries

open access: yesPhysical Review D, 2018
Minor additions; Published ...
Buchmuller, Wilfried, Patel, Ketan M.
openaire   +4 more sources

The Belle II experiment: status and physics program

open access: yesEPJ Web of Conferences, 2018
The Belle II experiment at the SuperKEKB asymmetric-energy e+e- collider in Japan aims to search for new physics in the flavour transitions in the quark and lepton sectors.
Matvienko Dmitry
doaj   +1 more source

Heavy flavour physics at HERA [PDF]

open access: yesAIP Conference Proceedings, 1999
New results with increased statistics are presented for heavy flavour production at Q2<150 Gev2 and in the photoproduction limit Q2-->0. Cross sections for Dstar production, F2charm, the gluon density in the proton, and inelastic J/psi production are discussed and compared to theoretical calculations.
openaire   +2 more sources

Exploring Preferences for a Digital Single‐Session Intervention for Adolescent Siblings of Youth With Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Adolescent siblings of children with cancer are at elevated risk for psychosocial problems. Unfortunately, various barriers such as limited family time and resources, conflicting schedules, and psychosocial staffing constraints at cancer centers hinder sibling access to support.
Christina M. Amaro   +10 more
wiley   +1 more source

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