Results 21 to 30 of about 3,322 (216)

Experimental status of the CKM matrix [PDF]

open access: yesProgress in Particle and Nuclear Physics, 2016
The CKM matrix, VV, relates the quark mass and flavor bases. In the standard model, VV is unitary 3×3, and specified by four arbitrary parameters, including a phase allowing for CPCP violation.
Frank C Porter
exaly   +1 more source

Constraints on the parameters of the CKM matrix by End 1998

open access: yes, 1999
A review of the current status of the Cabibbo-Kobayashi-Maskawa matrix (CKM) is presented. This paper is an update of the results published in [1]. The experimental constraints imposed by the measurements of \epsilon_K, V_{ub}/V_{cb}, \Delta m_d and from
Parodi, F.   +5 more
core   +5 more sources

2000 CKM-triangle analysis. A critical review with updated experimental inputs and theoretical parameters [PDF]

open access: yesJournal of High Energy Physics, 2001
Within the Standard Model, a review of the current determination of the sides and angles of the CKM unitarity triangle is presented, using experimental constraints from the measurements of \ epsilon (K)\, \V-ub/V-cb\, Deltam(d) and from the limit on ...
Achille Stocchi   +23 more
core   +3 more sources

Correlation Between Dietary Index for Gut Microbiota With All-Cause and Cardiovascular Mortality in Cardiovascular-Kidney-Metabolic Syndrome Patients. [PDF]

open access: yesFood Sci Nutr
This study first demonstrates that in CKM syndrome patients, a higher dietary index for gut microbiota (DI‐GM) is associated with lower all‐cause and cardiovascular mortality. Each 1‐point increase in DI‐GM reduces all‐cause mortality risk by 10% and cardiovascular mortality by 12%.
Huang A, Hou L, Chen S, Lin B, Zhang Q.
europepmc   +2 more sources

Prospects for B s 0 $$ {B}_{(s)}^0 $$ → π 0 π 0 and B s 0 $$ {B}_{(s)}^0 $$ → ηη modes and corresponding CP asymmetries at Tera-Z

open access: yesJournal of High Energy Physics, 2022
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

First extraction of inclusive V cb from q 2 moments

open access: yesJournal of High Energy Physics, 2022
We present the first determination of V cb from inclusive B → X c ℓ v ¯ ℓ $$ B\to {X}_c \ell {\overline{v}}_{\ell} $$ using moments of the dilepton invariant mass, q 2.
Florian Bernlochner   +6 more
doaj   +1 more source

CKM Matrix Parameters from an Algebra

open access: yes, 2023
We report a theoretical derivation of the Cabibbo-Kobayashi-Maskawa (CKM) matrix parameters and the accompanying mixing angles. These results are arrived at from the exceptional Jordan algebra applied to quark states, and from expressing flavor eigenstates (i.e. left-chiral states) as superposition of mass eigenstates (i.e.
TEJINDER PAL SINGH, ADITYA ANKUR PATEL
openaire   +1 more source

Electroweak flavour unification

open access: yesJournal of High Energy Physics, 2022
We propose that the electroweak and flavour quantum numbers of the Standard Model (SM) could be unified at high energies in an SU(4) × Sp(6) L × Sp(6) R anomaly-free gauge model. All the SM fermions are packaged into two fundamental fields, Ψ L ∼ (4 , 6 ,
Joe Davighi, Joseph Tooby-Smith
doaj   +1 more source

CKM PARAMETERS AND RARE B DECAYS [PDF]

open access: yesLepton and Photon Interactions at High Energies, 2006
Measurements of the angles and sides of the unitarity triangle and of the rates of rare B meson decays are crucial for the precise determination of Standard Model parameters and are sensitive to the presence of new physics particles in the loop diagrams. In this paper the recent measurements performed in this area by BABAR and Belle will be presented.
openaire   +3 more sources

CKM elements from tree-level b decays and lifetimes

open access: yes, 2003
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B physics.
T. Mannel   +90 more
core   +2 more sources

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