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ConferenceTalks
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Constraint2bpGamma
Constraint from 2\beta \gamma
ConstraintAlpha
Constraint from \alpha
ConstraintBtoTauNu
Constraint from B \rightarrow \tau \nu
ConstraintBtoVGCharged
Constraint from \mathcal{BR}(B \rightarrow \rho/\omega \gamma)/\mathcal{BR}(B\rightarrow K^* \gamma)
ConstraintCos2b
Constraint from \cos 2\beta There are two ways to access the value of %$\cos 2\beta$%, which allows one to remove the ambiguity between %$\beta$% and %$\pi \beta ...
ConstraintDeltaMd
Constraint from \Delta m_d In the Standard Model, %$B^0 \bar{B}^0$% oscillations occur through a second order process (a box diagram) with a loop containing W ...
ConstraintDeltaMs
Constraint from \Delta m_d /\Delta m_s The %$B^0_s \bar{B}^0_s$% oscillation frequency, which is related to the mass difference between the light and the heavy ...
ConstraintEpsK
Constraint from \varepsilon_K Indirect CP violation in the Kaon system is usually expressed in terms of %$ \varepsilon_K $% parameter which is the fraction of ...
ConstraintGamma
Constraint from \gamma
ConstraintKtoPiNuNu
Constraint from K \rightarrow \pi \nu \bar{\nu}
ConstraintSin2b
Constraint from \sin 2\beta The mixing induced CP asymmetry in the %$B^0 \rightarrow J/\psi K^0$% decay allows one to determine the sine of the angle %$2\beta ...
ConstraintVubVcb
Constraint from \left V_{ub} / V_{cb} \right B hadrons can decay through the %$b \rightarrow c$% and %$b \rightarrow u$% transitions. The relative ratio of ...
Constraints
Constraints used in the UT fit Before the B Factory era, the fit was done using the measurements of UT sides (through semileptonic decays and mixing processes of the ...
Contacts
Cristiano Alpigiani University of Washington cristiano.alpigiani (at) cern.ch Adrian Bevan Queen Mary University of London A.J.Bevan (at) qmul.ac.uk ...
DDbarMixing
%$\mathrm{UTfit\ page\ on\ }D^0 \bar{D}^0\mathrm{\ mixing}$%
EvolutionPlots
History of \sin 2\beta predictions EPS PDF PNG JPG GIF From left to right, they correspond to the following papers: dRLMPPPPS90 (de Rujula, Lusignoli ...
FakeWinter13
Fit results: Test Winter 2013 (pre Moriond13) %TWISTY{ mode="div" showlink="Standard Model Fit" hidelink="Standard Model Fit" showimgleft="" hideimgleft="" start ...
Feedback
Fill this form if you want to submit feedbacks and questions to the UTfit Collaboration Please note that your message will not be stored nor shown in this web site ...
Formalism
CKM formalism The Cabibbo Kobayashi Maskawa (CKM) matrix V_{CKM}=\left(\begin{array}{ccc} V_{ud} V_{us} V_{ub}\\ V_{cd} V_{cs} V_{cb}\\ V_{td} V_{ts} V ...
Forum
Under construction
GammaFromTrees
Gamma Combination from the UTfit group Fit results: Summer 2013 (post EPS) Fit results: Winter 2013 (post CKM 2012) Fit results: Summer 2012 (post ICHEP 2012) ...
GammaFromTreesMethods
The angle %$\gamma$% of the CKM triangle can be measured comparing %$V_{cb}$% and %$V_{ub}$% mediated transitions in %$B \rightarrow D^{()}K^{()}$% decays. The decays ...
GammaFromTreesPostCKM2012
Input parameters and combination results: Winter 2013 (post CKM 2012) We use the relevant post CKM 2012 HFAG averages as inputs. The results of combination:
GammaFromTreesPostEPS2013
Input parameters and combination results: Winter 2013 (post CKM12) We use the relevant post CKM 2012 HFAG averages as inputs. The results of combination:
GammaFromTreesPostEPS2017
Input parameters and combination results: Summer 2017 (post EPS 2017) The results of combination:
GammaFromTreesPostICHEP2012
Input parameters and combination results: Summer 2012 (post ICHEP12) We use the relevant post CKM 2012 HFAG averages as inputs. The results of combination:
GammaFromTreesPostMoriond2013
The results of combination:
GammaFromTreesPostMoriond2014
Input parameters and combination results: Summer 2014 (post Moriond 2014) We use the relevant post Moriond 2014 HFAG averages as inputs. The results of combination ...
GammaFromTreesPostMoriond2016
Input parameters and combination results: Summer 2016 (post Moriond 2016) The results of combination:
GammaFromTreesWinter18
Input parameters and combination results: Summer 2017 (post EPS 2017) The results of combination:
GammaFromTreesWinter2016
Input parameters and combination results: Winter 2016 (pre Moriond 2016) We use the relevant pre Moriond 2016 HFAG averages as inputs. The results of combination: ...
Inputs
Input values for parameters and constraints entering in the UT fit. Most of the experimental averages are taken from HFAG. For the CKM angles we use the pdf's obtained ...
Method
Description of the Bayesian method The method is explained in detail in M. Ciuchini et al., JHEP 0107 (2001) 013, hep ph/0012308. Given N parameters x_{i}(A,~B_{K ...
MyTest
Standard Model Fit results: Winter 2018
NeutralCharmMixing
Charm Mixing from the UTfit group Fit results: Summer 2013 (post EPS) %TWISTY{ mode="div" showlink="Method used: " hidelink="Method used" showimgleft="" hideimgleft ...
NeutralCharmMixingSummer13
The results of combination:
NewPhysicsResults
%TWISTY{ prefix="" mode="div" link="Current New Physics fit results" showimgleft="" hideimgleft="" suffix="" }% Under construction %TWISTY{ prefix="" mode="div" ...
News
21/09/2018: Fit results section updated with summer 2018 update. 16/09/2016: Fit results section updated with summer 2016 update presented at ICHEP'16. 01/07/2014 ...
Papers
Page under construction
PhiS
%$\beta_s$% Determination from the UTfit group We can obtain the values %$\beta_s$% using different sets of inputs: * all the information available ("Full fit ...
PlotTemplate
* for \, * EPS PDF PNG JPG GIF
References
Citations In citing our works, please refer to the UTfit web site, where the most updated results can be found, and, depending on the subject, to the most recent publication ...
Results
Fit results: Summer 2018 (preliminary) Fit results: Summer 2016 Fit results: Summer 2014 (pre ICHEP) Fit results: PDG 2014 Fit results: Summer 2013 (post EPS ...
ResultsCKM2018
Fit results: CKM 2018 (all measurements available by September 2018) Standard Model Fit New Physics Fit
ResultsCKM2018NP
New Physics Fit results: CKM 2018 Input used are the same as in Standard Model Fit . The fit presented here is meant to constrain the NP contributions to Delta ...
ResultsPDG2012
Fit results: PDG 2012 This fit is prepared with the inputs for the Particle Data Group 2012 Review.
ResultsPDG2014
Fit results: PDG 2014 This fit is prepared with the inputs for the Particle Data Group 2014 Review.
ResultsPDG2016
Fit results: PDG 2016 This fit is prepared with the inputs for the Particle Data Group 2016 Review.
ResultsPDG2016Update
Fit results: PDG 2016 This fit is prepared with the inputs for the Particle Data Group 2016 Review.
ResultsPDG2018
Fit results: PDG 2018 This fit is prepared with the inputs for the Particle Data Group 2018 Review.
ResultsSummer2010PreICHEP
Fit results: Summer 2010 (pre ICHEP) %TWISTY{ showlink="Standard Model Fit" hidelink="Standard Model Fit" showimgleft="" hideimgleft="" firststart="hide" }% %TWISTY ...
ResultsSummer2011PostLP
Fit results: Summer 2011 (post LP11) %TWISTY{ mode="div" showlink="Standard Model Fit" hidelink="Standard Model Fit" showimgleft="" hideimgleft="" firststart="hide ...
ResultsSummer2012PostMoriond
Fit results: Summer 2012 (post Moriond12) %TWISTY{ mode="div" showlink="Standard Model Fit" hidelink="Standard Model Fit" showimgleft="" hideimgleft="" start="hide ...
ResultsSummer2012PreCKM
Fit results: Summer 2012 (pre CKM12) %TWISTY{ mode="div" showlink="Standard Model Fit" hidelink="Standard Model Fit" showimgleft="" hideimgleft="" start="hide" } ...
ResultsSummer2012PreICHEP
Fit results: Summer 2012 (pre ICHEP12) %TWISTY{ mode="div" showlink="Standard Model Fit" hidelink="Standard Model Fit" showimgleft="" hideimgleft="" firststart="hide ...
ResultsSummer2013PostEPS
Fit results: Summer 2013 (post EPS13) %TWISTY{ mode="div" showlink="Some Input Combinations" hidelink="Some Input Combinations" showimgleft="" hideimgleft="" }% More ...
ResultsSummer2014PostMoriond
Fit results: Summer 2014 (all measurements available by ICHEP 2014) More information on \gamma Standard Model Fit Neutral Charm Mixing Fit New Physics Fit ...
ResultsSummer2014PostMoriondCharm
Neutral charm mixing results: Summer 2014
ResultsSummer2014PostMoriondNP
New Physics Fit results: Summer 2014 The fit presented here is meant to constrain the NP contributions to Delta; F =2 transitions by using the available experimental ...
ResultsSummer2014PostMoriondSM
Standard Model Fit results: Summer 2014
ResultsSummer2015PreEPSSMCopyInclExcl
Standard Model Fit results: Summer 2015 Inclusive Exclisive
ResultsSummer2016
Fit results: Summer 2016 (all measurements available by ICHEP 2016) More information on \gamma Standard Model Fit New Physics Fit
ResultsSummer2016NP
New Physics Fit results: Summer 2016 Input used are the same as in Standard Model Fit. The fit presented here is meant to constrain the NP contributions to Delta ...
ResultsSummer2016SM
Standard Model Fit results: Summer 2016
ResultsSummer2017
Fit results: Summer 2017 (all measurements available after EPS 2017) More information on \gamma Standard Model Fit New Physics Fit
ResultsSummer2018
Fit results: Summer 2018 (all measurements available by June 2018) Work in progress: please check again in the next days and we will have added more plots. Standard ...
ResultsSummer2018Charm
Neutral charm mixing results: Summer 2018
ResultsSummer2018NP
New Physics Fit results: Summer 2018 Input used are the same as in Standard Model Fit . The fit presented here is meant to constrain the NP contributions to Delta ...
ResultsSummer2018SM
Standard Model Fit results: Summer 2018
ResultsWinter2011PostLP
Fit results: Winter 2012 (post LP11) %TWISTY{ mode="div" showlink="Standard Model Fit" hidelink="Standard Model Fit" showimgleft="" hideimgleft="" start="hide" } ...
ResultsWinter2013PreMoriond
Fit results: Winter 2013 (pre Moriond13) %TWISTY{ mode="div" showlink="Standard Model Fit" hidelink="Standard Model Fit" showimgleft="" hideimgleft="" firststart ...
ResultsWinter2016
Fit results: Winter 2016 (all measurements available by Moriond 2016) More information on \gamma Standard Model Fit Tree Level Fit UUT Fit Neutral Charm Mixing ...
ResultsWinter2016Charm
Neutral Charm Mixing Results: Winter 2016
ResultsWinter2016NP
New Physics Fit results: Winter 2016 Input used are the same as in Standard Model Fit. The fit presented here is meant to constrain the NP contributions to Delta ...
ResultsWinter2016SM
Standard Model Fit results: Winter 2016
ResultsWinter2016Tree
Tree Level Fit results: Winter 2016 In principle, the presence of New Physics might affect the result of the UT analysis, changing the functional dependencies of ...
ResultsWinter2016UUT
Tree Level Fit results: Winter 2016 It is possible to generalize the full UTfit beyond the Standard Model to all those NP models characterized by Minimal Flavour ...
ResultsWinter2018
Fit results: Winter 2018 (all measurements available by November 2017) More information on \gamma Standard Model Fit New Physics Fit
ResultsWinter2018NP
New Physics Fit results: Winter 2018 Input used are the same as in Standard Model Fit. The fit presented here is meant to constrain the NP contributions to Delta ...
ResultsWinter2018SM
Standard Model Fit results: Winter 2018
StandardModelResults
%TWISTY{ prefix="" mode="div" link="Winter 2010" showimgleft="" hideimgleft="" suffix="" }% %TWISTY{ prefix=" " mode="div" link="Additional information on fit ...
Summer2018Tree
Tree Level Fit results: Summer 2018 In principle, the presence of New Physics might affect the result of the UT analysis, changing the functional dependencies of ...
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