Results 11 to 20 of about 69,473 (137)
More on heavy tetraquarks in lattice QCD at almost physical pion mass
We report on our progress in studying exotic, heavy tetraquark states, qq′ Q̅Q̅′. Using publicly available dynamical nf = 2 + 1 Wilson-Clover gauge configurations, generated by the PACS-CS collaboration, with pion masses ≃ 164, 299 and 415 MeV, we extend
Francis Anthony +3 more
doaj +2 more sources
We provide a systematic renormalization group formalism for the mass effects in the relation of the pole mass m Q pole and short-distance masses such as the M S ¯ $$ \overline{\mathrm{MS}} $$ mass m ¯ Q $$ {\overline{m}}_Q $$ of a heavy quark Q, coming ...
André H. Hoang +2 more
doaj +3 more sources
Search for Scalar Bottom Quark Pair Production with the ATLAS Detector in pp Collisions at √s = 7 TeV [PDF]
The results of a search for pair production of the scalar partners of bottom quarks in 2.05 fb^(-1) of pp collisions at √s=7 TeV using the ATLAS experiment are reported.
Aad, G. +4 more
core +1 more source
Improved theory predictions and global analysis of exclusive b → sμ + μ − processes
We provide improved Standard Model theory predictions for the exclusive rare semimuonic processes B → K (*) μ + μ − and B s → ϕμ + μ − . Our results are based on a novel parametrization of the non-local form factors, which manifestly respects a recently ...
Nico Gubernari +3 more
doaj +1 more source
Top, Bottom Quarks and Higgs Bosons [PDF]
In this talk, I will discuss possible new physics effects that modify the interaction of Higgs boson(s) with top and bottom quarks, and discuss how to detect such effects in current and future high energy colliders.Comment: LaTeX, 16 pages including 5 ...
F. Wegner +4 more
core +3 more sources
Complete analysis on QED corrections to B q → τ + τ −
Motivated by a dynamical enhancement of the electromagnetic corrections by a power of ΛQCD/m b in B d,s → μ + μ − at next-to-leading order (NLO), we extend the QED factorization effects on the leptonic B meson decays with light muon leptons to tauonic ...
Yong-Kang Huang +3 more
doaj +1 more source
Deciphering Universal Extra Dimension from the top quark signals at the CERN LHC [PDF]
Models based on Universal Extra Dimensions predict Kaluza-Klein (KK) excitations of all Standard Model (SM) particles. We examine the pair production of KK excitations of top- and bottom-quarks at the Large Hadron Collider.
A Datta +48 more
core +3 more sources
Resolving charged hadrons in QED — gauge invariant interpolating operators
Standard interpolating operators for charged mesons, e.g. J B = b ¯ $$ \overline{b} $$ iγ 5 u for B − , are not gauge invariant in QED and therefore problematic for perturbative methods.
Saad Nabeebaccus, Roman Zwicky
doaj +1 more source
The physics potential of measuring B s 0 $$ {B}_{(s)}^0 $$ → π 0 π 0 and B s 0 $$ {B}_{(s)}^0 $$ → ηη decays via four-photon final states at Tera-Z phase of CEPC or FCC-ee is investigated in this paper.
Yuexin Wang +6 more
doaj +1 more source
The Experiment Road to the Heavier Quarks and Other Heavy Objects [PDF]
After a brief history of heavy quarks, I will discuss charm, bottom, and top quarks in turn. For each one, I discuss its first observation, and then what we have learned about production, hadronization, and decays - and what these have taught us about ...
Appel, Jeffrey A.
core +3 more sources

