An Upgraded Analysis of $\epsilon\prime/\epsilon$ at the Next-to-Leading Order (2009)
Ciuchini, M, Franco, E, Martinelli, G, Reina, L, Silvestrini, L
An upgraded analysis of $\ep$, $x_d$ and $\epp/\ep$, using the latest determinations of the relevant experimental and theoretical parameters, is presented. Using the recent determination of the top...
Status of the Unitarity Triangle Analysis (2009)
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
We present an update of the Unitarity Triangle (UT) analysis, within the Standard Model (SM) and beyond. Within the SM the main novelties are the inclusion in epsilon_K of the contributions of xi and...
An Improved Standard Model Prediction Of BR(B -> tau nu) And Its Implications For New Physics (2009)
Bona, UTfit Collaboration: M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The recently measured B -> tau nu branching ratio allows to test the Standard Model by probing virtual effects of new heavy particles, such as a charged Higgs boson. The accuracy of the test is...
Flavor Physics in the Quark Sector (2009)
Antonelli, M, Asner, D M, Bauer, D, Becher, T, Beneke, M, Bevan, A J, ...
In the past decade, one of the major challenges of particle physics has been to gain an in-depth understanding of the role of quark flavor.In this time frame, measurements and the theoretical...
Flavor Physics in the Quark Sector (2009)
Antonelli, M., Asner, D. M., Bauer, D., Becher, T., Beneke, M., Bevan, A. J., ...
In the past decade, one of the major challenges of particle physics has been to gain an in-depth understanding of the role of quark flavor.In this time frame, measurements and the theoretical...
New Physics from Flavour (2009)
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The UT{\it{fit}} Collaboration has produced several analyses in the context of flavour physics both within and beyond the Standard Model. In this paper we present updated results for the Standard...
Buchalla, G., Komatsubara, T. K., Muheim, F., Silvestrini, L., Artuso, M., Asner, D. M., ...
The present report documents the results of Working Group 2: B, D and K decays, of the workshop on Flavor in the Era of the LHC, held at CERN from November 2005 through March 2007. With the advent of...
Searching For New Physics With B to K pi Decays (2008)
Ciuchini, M., Franco, E., Martinelli, G., Pierini, M., Silvestrini, L.
We propose a method to quantify the Standard Model uncertainty in B to K pi decays using the experimental data, assuming that power counting provides a reasonable estimate of the subleading terms in...
Proceedings of SuperB Workshop VI: New Physics at the Super Flavor Factory (2008)
Hitlin, D. G., Cheng, C. H., Asner, D. M., Hurth, T., McElrath, B., Shindou, T., ...
The sixth SuperB Workshop was convened in response to questions posed by the INFN Review Committee, evaluating the SuperB project at the request of INFN. The working groups addressed the capability...
First Evidence of New Physics in b s Transitions (2008)
Bona, UTfit Collaboration: M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
We combine all the available experimental information on Bs mixing, including the very recent tagged analyses of Bs to J/Psi phi by the CDF and D0 collaborations. We find that the phase of the Bs...
Buchalla, G., Komatsubara, T. K., Muheim, F., Silvestrini, L., Artuso, M., Asner, D. M., ...
With the advent of the LHC, we will be able to probe New Physics (NP) up to energy scales almost one order of magnitude larger than it has been possible with present accelerator facilities. While...
M. Ciuchini, E. Franco, V. Lubicz, G. Martinelli, F. Parodi, P. Roudeau
and A. Stocchi (d) (a)
On the Physics Case of a Super Flavour Factory (2007)
Browder, T, Ciuchini, M, Gershon, T, Hazumi, M, Hurth, Tobias, Okada, Y, ...
We summarize the physics case of a high-luminosity e+e- flavour factory collecting an integrated luminosity of 50-75 ab^(-1). Many New Physics sensitive measurements involving B and D mesons and tau...
On the Physics Case of a Super Flavour Factory (2007)
Browder, T., Ciuchini, M., Gershon, T., Hazumi, M., Hurth, T., Okada, Y., ...
We summarize the physics case of a high-luminosity e+e- flavour factory collecting an integrated luminosity of 50-75 ab^(-1). Many New Physics sensitive measurements involving B and D mesons and tau...
Soft SUSY breaking grand unification: Leptons vs quarks on the flavor playground (2007)
Ciuchini, M, Masiero, A, Paradisi, P, Silvestrini, L, Vempati, SK, Vives, O
The authors systematically analyze the correlations between the various leptonic and hadronic flavor violating processes arising in SUSY Grand Unified Theories. Using the GUT-symmetric relations...
D-(D)over-bar mixing and new physics: General considerations and constraints on the MSSM (2007)
Ciuchini, M., Franco, E., Guadagnoli, D., Lubicz, V., Pierini, M., Porretti, Valentina, ...
5 pages, 3 figures.-- ISI Article Identifier: 000251016300011.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0703204
Model-independent constraints on Delta F=2 operators and the scale of New Physics (2007)
Bona, UTfit Collaboration: M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
We update the constraints on new-physics contributions to Delta F=2 processes from the generalized unitarity triangle analysis, including the most recent experimental developments. Based on these...
Improved Determination of the CKM Angle $\alpha$ from $B \to \pi\pi$ decays (2007)
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
Motivated by a recent paper that compares the results of the analysis of the CKM angle alpha in the frequentist and in the Bayesian approaches, we have reconsidered the information on the hadronic...
Investigating The Physics Case of Running a B-Factory at the Y(5S) Resonance (2007)
Baracchini, E., Bona, M., Ciuchini, M., Ferroni, F., Pierini, M., Piredda, G., ...
We discuss the physics case of a high luminosity B-Factory running at the Y(5S) resonance. We show that the coherence of the B meson pairs is preserved at this resonance, and that Bs can be well...
D-Dbar mixing and new physics: general considerations and constraints on the MSSM (2007)
Ciuchini, M., Franco, E., Guadagnoli, D., Lubicz, V., Pierini, M., Porretti, V., ...
Combining the recently available experimental evidence of D-Dbar mixing, we extract model-independent information on the mixing amplitude and on its CP-violating phase. Using this information, we...
B_s to K^(*)0 \bar K^(*)0 decays: the golden channels for new physics searches (2007)
Ciuchini, M., Pierini, M., Silvestrini, L.
We point out that time-dependent CP asymmetries in B_s to K^{*0} \bar K^{*0} decays probe the presence of new physics in b to s transitions with an unprecedented theoretical accuracy. We show that,...
Soft SUSY Breaking Grand Unification: Leptons vs Quarks on the Flavor Playground (2007)
Ciuchini, M., Masiero, A., Paradisi, P., Silvestrini, L., Vempati, S. K., Vives, O.
We systematically analyze the correlations between the various leptonic and hadronic flavor violating processes arising in SUSY Grand Unified Theories. Using the GUT-symmetric relations between the...
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The recent measurements of the B_s meson mixing amplitude by CDF and of the leptonic branching fraction BR(B to tau nu) by Belle call for an upgraded analysis of the Unitarity Triangle in the...
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
Starting from a (new physics independent) tree level determination of rhobar and etabar, we perform the Unitarity Triangle analysis in general extensions of the Standard Model with arbitrary new...
Improved Determination of the CKM Angle alpha from B to pi pi decays (2007)
Bona, UTfit Collaboration: M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
Motivated by a recent paper that compares the results of the analysis of the CKM angle alpha in the frequentist and in the Bayesian approaches, we have reconsidered the information on the hadronic...
Status of the Cabibbo-Kobayashi-Maskawa matrix and Unitarity Triangle fits (2007)
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The status of the Unitarity Triangle analysis realized by the UTfit Collaboration is presented. The most recent determinations of theoretical and experimental parameters are used in order to...
Soft SUSY breaking grand unification: Leptons vs quarks on the flavor playground (2007)
Ciuchini, M, Masiero, A, Paradisi, P, Silvestrini, L, Vempati, SK, Vives, O
The authors systematically analyze the correlations between the various leptonic and hadronic flavor violating processes arising in SUSY Grand Unified Theories. Using the GUT-symmetric relations...
Status of the Cabibbo-Kobayashi-Maskawa matrix and Unitarity Triangle fits (2007)
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The status of the Unitarity Triangle analysis realized by the UTfit Collaboration is presented. The most recent determinations of theoretical and experimental parameters are used in order to...
Status of the Cabibbo-Kobayashi-Maskawa matrix and Unitarity Triangle fits (2007)
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The status of the Unitarity Triangle analysis realized by the UTfit Collaboration is presented. The most recent determinations of theoretical and experimental parameters are used in order to...
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
Using the latest determinations of several theoretical and experimental parameters, we update the Unitarity Triangle analysis in the Standard Model. The basic experimental constraints come from the...
Constraints on New Physics from the Quark Mixing Unitarity Triangle (2006)
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The status of the unitary triangle beyond the standard model including the most recent results on Delta_ms on dilepton asymmetries and on width differences is presented. Even allowing for general new...
Quark Masses from Lattice QCD at the next-to-leading order (2006)
Allton, C R, Ciuchini, M, Crisafulli, M, Franco, E, Lubicz, V, Martinelli, G
$b \to s \gamma$ and $b \to sg (2006)
Ciuchini, M, Franco, E, Martinelli, G, Reina, L, Silvestrini, L
Ciuchini, M., Franco, E., Guadagnoli, D., Lubicz, V., Porretti, V., Silvestrini, L.
We compute the next-to-leading order strong interaction corrections to gluino-mediated Delta F=2 box diagrams in the Minimal Supersymmetric Standard Model. These corrections are given by two loop...
Bona, UTfit Collaboration: M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The recent measurements of the B_s meson mixing amplitude by CDF and of the leptonic branching fraction BR(B to tau nu) by Belle call for an upgraded analysis of the Unitarity Triangle in the...
Constraints on new physics from the quark mixing unitarity triangle (2006)
Bona, UTfit Collaboration: M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The status of the Unitarity Triangle beyond the Standard Model including the most recent results on Delta m_s, on dilepton asymmetries and on width differences is presented. Even allowing for general...
Upper bounds on SUSY contributions to b to s transitions from B_s - B_sbar mixing (2006)
We study the constraints on supersymmetric contributions to b to s transitions from the recent allowed range and measurement of Bs-Bsbar mixing obtained by the D0 and CDF collaborations at the...
SuperB: a linear high-luminosity B Factory (2006)
Albert, J., Bettarini, S., Biagini, M., Bonneaud, G., Cai, Y., Calderini, G., ...
This paper is based on the outcome of the activity that has taken place during the recent workshop on "SuperB in Italy" held in Frascati on November 11-12, 2005. The workshop was opened by a...
Hunting the CKM weak phase with time-integrated Dalitz analyses of Bs -> K pi pi decays (2006)
Ciuchini, M., Pierini, M., Silvestrini, L.
We present a new technique to extract information on the Unitarity Triangle from the study of Bs -> K pi pi Dalitz plot. Using isospin symmetry and the possibility to access the decay amplitudes from...
New Bounds On The CKM Matrix From B -> K pi pi Dalitz Plot Analyses (2006)
Ciuchini, M., Pierini, M., Silvestrini, L.
We present a new technique to extract information on the Unitarity Triangle from the study of B -> K pi pi Dalitz plots. Using the sensitivity of Dalitz analyses to the absolute values and the phases...
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The status of the Unitarity Triangle beyond the Standard Model including the most recent results on Delta m_s, on dilepton asymmetries and on width differences obtained at the B factories and at the...
Bona, M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
The status of the Unitarity Triangle beyond the Standard Model including the most recent results on Delta m_s, on dilepton asymmetries and on width differences obtained at the B factories and at the...
SuperB: a linear high-luminosity B Factory (2005)
Albert, J., Bettarini, S., Biagini, M., Bonneaud, G., Cai, Y., Calderini, G., ...
This paper is based on the outcome of the activity that has taken place during the recent workshop on "SuperB in Italy" held in Frascati on November 11-12, 2005. The workshop was opened by a...
Ciuchini, M., Franco, E., Guadagnoli, D., Lubicz, V., Porretti, V., Silvestrini, L.
We present the NLO corrections to the Wilson coefficients of the Delta F = 2 Hamiltonians in the strong interacting sector of the MSSM, responsible for neutral meson oscillations. Such corrections,...
Bona, UTfit Collaboration: M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
Starting from a (new physics independent) tree level determination of rhobar and etabar, we perform the Unitarity Triangle analysis in general extensions of the Standard Model with arbitrary new...
The Effect of Penguins in the B_d to J/psi K^0 CP asymmetry (2005)
Ciuchini, M., Pierini, M., Silvestrini, L.
Performing a fit to the available experimental data, we quantify the effect of long-distance contributions from penguin contractions in B^0 to J/psi K^0 decays. We estimate the deviation of the...
The Discovery Potential of a Super B Factory (2005)
Hewett, JoAnne. L., Hitlin, David G., Abe, T., Agashe, K., Albert, J., Ali, A., ...
The Proceedings of the 2003 SLAC Workshops on flavor physics with a high luminosity asymmetric e+e- collider. The sensitivity of flavor physics to physics beyond the Standard Model is addressed in...
Bona, UTfit Collaboration: M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
Using the latest determinations of several theoretical and experimental parameters, we update the Unitarity Triangle analysis in the Standard Model. The basic experimental constraints come from the...
SuperB: a linear high-luminosity B Factory (2005)
Albert, J., Bettarini, S., Biagini, M., Bonneaud, G., Cai, Y., Calderini, G., ...
This paper is based on the outcome of the activity that has taken place during the recent workshop on "SuperB in Italy" held in Frascati on November 11-12, 2005. The workshop was opened by a...
SuperB: a linear high-luminosity B Factory (2005)
Albert, J., Bettarini, S., Biagini, M., Bonneaud, G., Cai, Y., Calderini, G., ...
This paper is based on the outcome of the activity that has taken place during the recent workshop on "SuperB in Italy" held in Frascati on November 11-12, 2005. The workshop was opened by a...
CKM-Triangle analysis: Updates and Novelties for Summer 2004 (2004)
Bona, UTfit Collaboration: M., Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
Using the most recent determinations of several theoretical and experimental parameters, we update the Unitarity Triangle analysis in the Standard Model. The basic experimental constraints come from...
Two-body nonleptonic B decays in the Standard Model and beyond (2004)
Ciuchini, M., Franco, E., Martinelli, G., Masiero, A., Pierini, M., Silvestrini, L.
We briefly discuss the phenomenology of B to pi pi, B to K pi and B to phi K decays in the Standard Model and in Supersymmetry.
The CKM Matrix and the unitary triangle (2003)
Battaglia, M., Buras, A.J., Gambino, P., Stocchi, A., Abbaneo, D., Ali, A., ...
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...
Ciuchini, M., Franco, E., Lubicz, V., Mescia, F., Tarantino, C.
We compute the next-to-leading order QCD corrections to the off-diagonal elements of the decay-width matrix Gamma entering the neutral B-meson oscillations. From this calculation the width...
Worries and Hopes for SUSY in CKM Physics: The b to s Example (2003)
Ciuchini, M., Franco, E., Masiero, A., Silvestrini, L.
We discuss the twofold role of flavor and CP violation as a constraint in model building and as a signal of SUSY. Considering as an example b to s transitions, we analyze present bounds on SUSY...
Grand Unification of Quark and Lepton FCNCs (2003)
Ciuchini, M., Masiero, A., Silvestrini, L., Vempati, S. K., Vives, O.
In the context of Supersymmetric Grand Unified theories with soft breaking terms arising at the Planck scale, it is generally possible to link flavor changing neutral current and CP violating...
b to s transitions: where to look for SUSY (2003)
Ciuchini, M., Franco, E., Masiero, A., Silvestrini, L.
We present a systematic study of the CP conserving and violating SUSY contributions to b to s processes in a generic MSSM, considering gluino exchange contributions. Experimental information on B to...
Unitarity Triangle Analysis in the Standard Model and Sensitivity to New Physics (2003)
Ciuchini, M., Franco, E., Parodi, F., Lubicz, V., Silvestrini, L., Stocchi, A.
By using the most recent determinations of the several theoretical and experimental input parameters, we update the Unitarity Triangle analysis in the Standard Model and discuss the sensitivity to...
The CKM Matrix and the Unitarity Triangle (2003)
Battaglia, Marco, Yamanda, N, Willocq, S, Wilkinson, G, Wilden, L H, Weiser, C, ...
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...
The CKM Matrix and the Unitarity Triangle (2003)
Battaglia, M., Buras, A. J., Gambino, P., Stocchi, A., Abbaneo, D., Ali, A., ...
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...
CKM elements from tree-level B decays and lifetimes (2003)
Artuso, M., Battaglia, M., Bauer, C., Becirevic, D., Beneke, M., Bigi, I., ...
CKM elements from tree-level B decays and lifetimes (2003)
Artuso, M., Battaglia, M., Bauer, C., Becirevic, D., Beneke, M., Bigi, I., ...
b -> s Transitions: A New Frontier for Indirect SUSY Searches (2002)
Ciuchini, M., Franco, E., Masiero, A., Silvestrini, L.
The present unitarity triangle fit, whose essential input is represented by the s to d and b to d transition processes, fully agrees with the SM. However, most of the phenomena involving b to s...
Direct CP Violation in B->phi K_s and New Physics (2002)
In the presence of large New Physics contributions to loop-induced b->s transitions, sizable direct CP violation in B-> phi K decays is expected on general grounds. We compute explicitly CP-violating...
Ciuchini, M., Franco, E., Martinelli, G., Pierini, M., Silvestrini, L.
We briefly recall the main formulae for computing the B -> K pi branching ratios within the "charming penguin" approach, present an updated fit to the data, and explain why we believe that, in...
A new model-independent way of extracting |$V_{ub}/V_{cb}$| (2002)
Aglietti, U, Ciuchini, M, Gambino, Paolo
The ratio between the photon spectrum in B -> X_s gamma and the differential semileptonic rate wrt the hadronic variable M_X/E_X is a short-distance quantity calculable in perturbation theory and...
B_d-Bbar_d Mixing and the B_d -> J/psi K_s Asymmetry in General SUSY Models (2001)
Becirevic, D., Ciuchini, M., Franco, E., Gimenez, V., Martinelli, G., Masiero, A., ...
We present a next-to-leading order determination of the gluino-mediated SUSY contributions to B_d-Bbar_d mixing and to the CP asymmetry a_{J/psi K_s} in the framework of the mass-insertion...
Status of the CKM matrix (2001)
An updated determination of the parameters of the Cabibbo-Kobayashi-Maskawa matrix is presented.
Next-to-Leading Order QCD Corrections to Spectator Effects in Lifetimes of Beauty Hadrons (2001)
Ciuchini, M., Franco, E., Lubicz, V., Mescia, F.
Theoretical predictions of beauty hadron lifetimes, based on the heavy quark expansion up to and including order 1/mb^2, do not to reproduce the experimental measurements of the lifetime ratios...
Two Body B Decays, Factorization and LambdaQCD/mb Corrections (2001)
Ciuchini, M., Franco, E., Martinelli, G., Pierini, M., Silvestrini, L.
By using the recent experimental measurements of B -> pi pi and B -> K pi branching ratios, we find that the amplitudes computed at the leading order of the LambdaQCD/mb expansion disagree with the...
Charming Penguins Strike Back (2001)
Ciuchini, M., Franco, E., Martinelli, G., Pierini, M., Silvestrini, L.
By using the recent experimental measurements of B to pi pi and B to K pi branching ratios, we find that factorization is unable to reproduce the observed BRs even taking into account the...
Penguin Contractions and Factorization in B -> K pi Decays (2001)
Ciuchini, M., Franco, E., Martinelli, G., Pierini, M., Silvestrini, L.
We study Lambda_{QCD}/m_B corrections to factorization in B -> K pi decays. First, we analyze these decay channels within factorization, showing that, irrespectively of the value of gamma, it is not...
Ciuchini, M., D'Agostini, G., Franco, E., Lubicz, V., Martinelli, G., Parodi, F., ...
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...
Theoretical status of epsilon'/epsilon (2000)
We review the theory of epsilon'/epsilon and present an updated phenomenological analysis using hadronic matrix elements from lattice QCD. The present status of the computation of epsilon'/epsilon,...
Final State Interactions and epsilon'/epsilon: A Critical Look (2000)
Buras, A. J., Ciuchini, M., Franco, E., Isidori, G., Martinelli, G., Silvestrini, L.
We critically analyze recent attempts to include final state interaction (FSI) effects in the calculation of the CP violating ratio epsilon'/epsilon. In particular the approach of using the...
Computation of quark mass anomalous dimension at O(1/N_f^2) in quantum chromodynamics (1999)
Ciuchini, M., Derkachov, S. E., Gracey, J. A., Manashov, A. N.
We present the formalism to calculate d-dimensional critical exponents in QCD in the large N_f expansion where N_f is the number of quark flavours. It relies in part on demonstrating that at the...
Combined analysis of the unitarity triangle and CP violation in the Standard Model (1999)
Ciuchini, M., Franco, E., Giusti, L., Lubicz, V., Martinelli, G.
We perform a combined analysis of the unitarity triangle and of the CP violating parameter epsilon'/epsilon using the most recent determination of the relevant experimental data and, whenever...
Epsilon'/epsilon from Lattice QCD (1999)
Ciuchini, M., Franco, E., Giusti, L., Lubicz, V., Martinelli, G.
Lattice calculations of matrix elements relevant for kaon decays, and in particular for epsilon'/epsilon, are reviewed. The role of the strange quark mass is also discussed. A comparison with other...
Penguin amplitudes: charming contributions (1999)
Ciuchini, M., Franco, E., Martinelli, G., Silvestrini, L.
We briefly introduce the Wick-contraction parametrization of hadronic matrix elements and discuss some applications to B and K physics.
Quark mass anomalous dimension at O(1/N_f^2) in QCD (1999)
We compute the d-dimensional critical exponents corresponding to the wave function and mass renormalization of the quark in QCD in the Landau gauge at a new order, O(1/N_f^2), in the large N_f...
Heavy-heavy form factors and generalized factorization (1998)
Ciuchini, M., Contino, R., Franco, E., Martinelli, G.
We reanalyze B -> D pi and B -> K J/psi data to extract a set of parameters which give the relevant hadronic matrix elements in terms of factorized amplitudes. Various sources of theoretical...
Delta M_K and epsilon_K in SUSY at the Next-to-Leading order (1998)
Ciuchini, M., Conti, L., Donini, A., Franco, E., Gimenez, V., Giusti, L., ...
We perform a Next-to-Leading order analysis of Delta S=2 processes beyond the Standard Model. Combining the recently computed NLO anomalous dimensions and the B parameters of the most general Delta...
Next-to-Leading QCD Corrections to $B \to X_{s} \gamma $ in Supersymmetry (1998)
Ciuchini, M, Degrassi, G, Gambino, Paolo, Giudice, Gian Francesco
We compute the QCD next-to-leading order matching conditions of the (chromo)-magnetic operators relevant for B\to X_s \gamma in supersymmetric models with minimal flavour violation. The calculation...
Next-to-Leading QCD Corrections to B\to X_s \gamma in Supersymmetry (1998)
Ciuchini, M., Degrassi, G., Gambino, P., Giudice, G. F.
We compute the QCD next-to-leading order matching conditions of the (chromo)-magnetic operators relevant for B\to X_s \gamma in supersymmetric models with minimal flavour violation. The calculation...
Model independent determination of the light-cone wave functions for exclusive processes (1998)
Aglietti, U., Ciuchini, M., Corbo', G., Franco, E., Martinelli, G., Silvestrini, L.
We present a method to compute, by numerical simulations of lattice QCD, the light-cone wave functions which enter exclusive processes at large momentum transfer, such as electromagnetic elastic...
Aglietti, U., Ciuchini, M., Corbo', G., Franco, E., Martinelli, G., Silvestrini, L.
We present a method to compute, by numerical simulations of lattice QCD, the inclusive semileptonic differential decay rates of heavy hadrons and the structure functions which occur in deep inelastic...
Factorization, charming penguins, and all that (1998)
Ciuchini, M., Contino, R., Franco, E., Martinelli, G., Silvestrini, L.
We discuss few selected topics related to the calculation of hadronic amplitudes relevant for two-body non-leptonic B decays.
Next-to-Leading Order QCD Corrections to $\Delta F =2$ effective Hamiltonians (1997)
Ciuchini, M., Franco, E., Lubicz, V., Martinelli, G., Scimemi, I., Silvestrini, L.
The most general QCD next-to-leading anomalous-dimension matrix of all possible four-fermion, dimension-six $\Delta F=2$ operators is computed. The results of this calculation can be used in many...
Ciuchini, M, Degrassi, G, Gambino, Paolo, Giudice, Gian Francesco
We present the QCD corrections to the matching conditions of the Delta B =1 magnetic and chromo-magnetic operators in the Standard Model and in two-Higgs doublet models. We use an off-shell matching...
Next-to-Leading QCD Corrections to B -> X_s gamma: Standard Model and Two-Higgs Doublet Model (1997)
Ciuchini, M., Degrassi, G., Gambino, P., Giudice, G. F.
We present the QCD corrections to the matching conditions of the Delta B =1 magnetic and chromo-magnetic operators in the Standard Model and in two-Higgs doublet models. We use an off-shell matching...
Charming-penguin enhanced B decays (1997)
Ciuchini, M, Contino, Roberto, Franco, E, Martinelli, G, Silvestrini, L
Long-distance contributions of operators of the effective non-leptonic weak Hamiltonian containing charmed currents have been recently studied. Penguin-like contractions of these operators, denoted...
Charming-penguin enhanced B decays (1997)
Ciuchini, M., Contino, R., Franco, E., Martinelli, G., Silvestrini, L.
Long-distance contributions of operators of the effective non-leptonic weak Hamiltonian containing charmed currents have been recently studied. Penguin-like contractions of these operators, denoted...
CP Violating B Decays in the Standard Model and Supersymmetry (1997)
Ciuchini, M, Franco, E, Martinelli, G, Masiero, A, Silvestrini, L
We study the uncertainties of the Standard Model (SM) predictions for CP violating B decays and investigate where and how supersymmetric (SUSY) contributions may be disentangled. The first task is...
CP Violating B Decays in the Standard Model and Supersymmetry (1997)
Ciuchini, M., Franco, E., Martinelli, G., Masiero, A., Silvestrini, L.
We study the uncertainties of the Standard Model (SM) predictions for CP violating B decays and investigate where and how supersymmetric (SUSY) contributions may be disentangled. The first task is...
Charming Penguins in B decays (1997)
Ciuchini, M, Franco, E, Martinelli, G, Silvestrini, L
Full expressions of the $B^0_d \to \pi^+ \pi^-$ and $B^0_d \to \pi^0 \pi^0$ amplitudes, given in terms of matrix elements of operators of the effective weak Hamiltonian, are used to study the...
Charming Penguins in B decays (1997)
Ciuchini, M., Franco, E., Martinelli, G., Silvestrini, L.
Full expressions of the $B^0_d \to \pi^+ \pi^-$ and $B^0_d \to \pi^0 \pi^0$ amplitudes, given in terms of matrix elements of operators of the effective weak Hamiltonian, are used to study the...
$\epsilon'$/$\epsilon: three years later (1997)
Three years after the completion of the next-to-leading order calculation, the status of the theoretical estimates of $\epsilon'/\epsilon$ is reviewed. In spite of the theoretical progress, the...
Next-to-leading order renormalization of the $\Delta B=2$ operators in the static theory (1996)
Ciuchini, M, Franco, E, Giménez, V
The renormalization, at the next-to-leading order in $\alpha_s$, of the in the static theory, is computed taking into account previously missed contributions. These operators are relevant for the...
Next-to-leading order renormalization of the $\Delta B=2$ operators in the static theory (1996)
Ciuchini, M., Franco, E., Gimenez, V.
The renormalization, at the next-to-leading order in $\alpha_s$, of the $\Delta B=2$ operators at the lowest order in the heavy quark expansion, namely in the static theory, is computed taking into...
The chromomagnetic dipole operator and the B semileptonic branching ratio (1996)
Ciuchini, M, Gabrielli, E, Giudice, Gian Francesco
We consider the possibility of having a large branching ratio for the decay b\to s g coming from an enhanced Wilson coefficient of the chromomagnetic dipole operator. We show that values of BR(b\to s...
The Chromomagnetic Dipole Operator and the B Semileptonic Branching Ratio (1996)
Ciuchini, M., Gabrielli, E., Giudice, G. F.
We consider the possibility of having a large branching ratio for the decay $b\to s g$ coming from an enhanced Wilson coefficient of the chromomagnetic dipole operator. We show that values of...
Two-body non-leptonic decays on the lattice (1996)
Ciuchini, M, Franco, E, Martinelli, G, Silvestrini, L
We show that, under reasonable hypotheses, it is possible to study two-body non-leptonic weak decays in numerical simulations of lattice QCD. By assuming that final-state interactions are dominated...
Two-body non-leptonic decays on the lattice (1996)
Ciuchini, M., Franco, E., Martinelli, G., Silvestrini, L.
We show that, under reasonable hypotheses, it is possible to study two-body non-leptonic weak decays in numerical simulations of lattice QCD. By assuming that final-state interactions are dominated...
Estimates of $\varepsilon\varepsilon$' (1995)
Ciuchini, M, Franco, E, Martinelli, G, Reina, L
We review the latest calculations of the next-to-leading \DSone effective Hamiltonian, relevant for K\to \pi\pi transitions. Numerical results for the Wilson coefficients are given for different...
Estimates of $\epsilon\prime/\epsilon$ (1995)
Ciuchini, M., Franco, E., Martinelli, G., Reina, L.
We review the latest calculations of the next-to-leading $\DSone$ effective Hamiltonian, relevant for $K\to \pi\pi$ transitions. Numerical results for the Wilson coefficients are given for different...
An upgraded analysis of $\varepsilon$'/$\varepsilon$ at the next-to-leading order (1995)
Ciuchini, M, Franco, E, Martinelli, G, Reina, L, Silvestrini, L
An upgraded analysis of \ep, x_d and \epp/\ep, using the latest determinations of the relevant experimental and theoretical parameters is presented. Using the recent determination of the top quark...
An Upgraded Analysis of $\epsilon\prime/\epsilon$ at the Next-to-Leading Order (1995)
Ciuchini, M., Franco, E., Martinelli, G., Reina, L., Silvestrini, L.
An upgraded analysis of $\ep$, $x_d$ and $\epp/\ep$, using the latest determinations of the relevant experimental and theoretical parameters, is presented. Using the recent determination of the top...
$B \rightarrow X_s\,\gamma$ and $B \rightarrow K^*\,\gamma$ in the standard and 2H models (1994)
Theoretical predictions for the branching ratios of the $B \rightarrow X_s\,\gamma$ and $B \rightarrow K^*\,\gamma$ decays are calculated in the Standard Model and in the (type II) two-Higgs-doublet...
Next-to-leading prediction of $\epse$: an upgraded analysis (1994)
We present an updated theoretical prediction of $\epse$, using the next-to-leading $\DSone$ effective hamiltonian and lattice QCD matrix elements. The CP violating phase is costrained by using both...
Quark masses from lattice QCD at the next-to-leading order (1994)
Allton, C R, Ciuchini, M, Crisafulli, M, Franco, E, Lubicz, V, Martinelli, G
Using the results of several quenched lattice simulations, we predict the value of the strange and charm quark masses in the continuum at the next-to-leading order, m^{\overline{MS}}_s(\mu=2\,\,...
Quark Masses from Lattice QCD at the Next-to-Leading Order (1994)
Allton, C. R., Ciuchini, M., Crisafulli, M., Franco, E., Lubicz, V., Martinelli, G.
Using the results of several quenched lattice simulations, we predict the value of the strange and charm quark masses in the continuum at the next-to-leading order, $m^{\overline{MS}}_s(\mu=2\,\,...
b --> s$\gamma$ and b --> s g: a theoretical reappraisal (1994)
Ciuchini, M, Franco, E, Martinelli, G, Reina, L, Silvestrini, L
We present upgraded theoretical predictions for inclusive and exclusive radiative decays of {\it B} mesons. Our results include those next-to-leading order corrections that have already been...
$b \rightarrow s \gamma$ AND $b \rightarrow s g$: A THEORETICAL REAPPRAISAL (1994)
Ciuchini, M., Franco, E., Martinelli, G., Reina, L., Silvestrini, L.
We present upgraded theoretical predictions for inclusive and exclusive radiative decays of {\it B} mesons. Our results include those next-to-leading order corrections that have already been...
Ciuchini, M., Franco, E., Reina, L., Silvestrini, L.
We discuss in detail the calculation of the leading order QCD corrections to the Effective Hamiltonian which governs $b \rightarrow s\, \gamma$ and $b \rightarrow s \, g$ transitions in three...
Ciuchini, M., Franco, E., Martinelli, G., Reina, L., Silvestrini, L.
We present a calculation of the effective weak Hamiltonian which governs $b \rightarrow s\, \gamma$ and $b \rightarrow s \, g$ transitions in two different renormalization schemes (NDR and HV). In...
Ciuchini, M., Franco, E., Martinelli, G., Reina, L.
In this paper we present a calculation of the $\Delta S=1$ effective weak Hamiltonian including next-to-leading order QCD and QED corrections. At a scale $\mu$ of the order of few GeV, the Wilson...
$\epsilon^{\prime}/\epsilon$ at the next-to-leading order in QCD and QED (1992)
Ciuchini, M., Franco, E., Martinelli, G., Reina, L.
We present a new calculation of the CP violation parameter $\epsilon^{\prime}/ \epsilon$. The results reported in this paper have been obtained by using the $\Delta S=1$ effective Hamiltonian...
Abreu, P., Adam, W., Adye, T., Agasi, E., Alekseev, G.D., Algeri, A., ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Alekseev, G.D., Algeri, A., ...
THE CKM MATRIX AND THE UNITARITY TRIANGLE
Abbaneo,D., Ali,A., Amaral,P., Andreev,V., Artuso,M., Barberio,E., ...
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...
THE CKM MATRIX AND THE UNITARITY TRIANGLE
Abbaneo, D., Ali, A., Amaral, P., Andreev, V., Artuso, M., Barberio, E., ...
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...