Search Results - "Buras, Andrzej J"

Standard Model predictions for rare K and B decays without new physics infection by Buras, Andrzej J.

“…The Standard Model (SM) does not contain by definition any new physics (NP) contributions to any observable but contains four CKM parameters which are not…”
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The exclusive vision of rare K and B decays and of the quark mixing in the standard model by Buras, Andrzej J., Venturini, Elena

“…The most common predictions for rare K and B decay branching ratios in the Standard Model in the literature are based on the CKM elements | V cb | and | V ub |…”
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Leptoquarks meet ε′/ε and rare Kaon processes by Bobeth, Christoph, Buras, Andrzej J.

“…A bstract We analyse for the first time the CP violating ratio ε ′ / ε in K → ππ decays in leptoquark (LQ) models. Assuming a mass gap to the electroweak (EW)…”
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SMEFT atlas of ∆F = 2 transitions by Aebischer, Jason, Bobeth, Christoph, Buras, Andrzej J., Kumar, Jacky

“…A bstract We present a model-independent anatomy of the ∆ F = 2 transitions K 0 − K ¯ 0 , B s,d − B ¯ s , d and D 0 − D ¯ 0 in the context of the Standard…”
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Patterns of flavour violation in models with vector-like quarks by Bobeth, Christoph, Buras, Andrzej J., Celis, Alejandro, Jung, Martin

“…A bstract We study the patterns of flavour violation in renormalisable extensions of the Standard Model (SM) that contain vector-like quarks (VLQs) in a single…”
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331 model predictions for rare B and K decays, and ∆F = 2 processes: an update by Buras, Andrzej J., De Fazio, Fulvia

“…A bstract Motivated by the improved results from the HPQCD lattice collaboration on the hadronic matrix elements entering ∆ M s , d in B s , d 0 − B ¯ s , d 0…”
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Global analysis of leptophilic Z′ bosons by Buras, Andrzej J., Crivellin, Andreas, Kirk, Fiona, Manzari, Claudio Andrea, Montull, Marc

“…A bstract New neutral heavy gauge bosons ( Z′ ) are predicted within many extensions of the Standard Model. While in case they couple to quarks the LHC bounds…”
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Yukawa enhancement of Z-mediated new physics in ∆S = 2 and ∆B = 2 processes by Bobeth, Christoph, Buras, Andrzej J., Celis, Alejandro, Jung, Martin

“…A bstract We discuss Yukawa-enhanced contributions from Z -mediated new physics to down-type quark Δ F = 2 processes in the framework of the standard model…”
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BSM master formula for ε′/ε in the WET basis at NLO in QCD by Aebischer, Jason, Bobeth, Christoph, Buras, Andrzej J., Kumar, Jacky

“…A bstract As an important step towards a complete next-to-leading (NLO) QCD analysis of the ratio ε′ / ε within the Standard Model Effective Field Theory…”
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BSM hadronic matrix elements for ε′/ε and K → ππ decays in the Dual QCD approach by Aebischer, Jason, Buras, Andrzej J., Gérard, Jean-Marc

“…A bstract We calculate for the first time all four-quark hadronic matrix elements of local operators possibly contributing to K → ππ decays and in particular…”
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The charm of 331 by Buras, Andrzej J., Colangelo, Pietro, De Fazio, Fulvia, Loparco, Francesco

“…A bstract We perform a detailed analysis of flavour changing neutral current processes in the charm sector in the context of 331 models. As pointed out…”
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Analytic inclusion of the scale dependence of the anomalous dimension matrix in Standard Model Effective Theory by Buras, Andrzej J., Jung, Martin

“…A bstract The renormalization group equations (RGEs) in Standard Model effective theory are usually either solved analytically, neglecting the scale dependence…”
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General non-leptonic ∆F = 1 WET at the NLO in QCD by Aebischer, Jason, Bobeth, Christoph, Buras, Andrzej J., Kumar, Jacky, Misiak, Mikołaj

“…A bstract We reconsider the complete set of four-quark operators in the Weak Effective Theory (WET) for non-leptonic ∆ F = 1 decays that govern s → d and b →…”
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K → ππ and K − π matrix elements of the chromomagnetic operators from Dual QCD by Buras, Andrzej J., Gérard, Jean-Marc

“…A bstract We perform for the first time a direct calculation of on-shell K → ππ hadronic matrix elements of chromomagnetic operators (CMO) in the Standard…”
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Quark-lepton connections in Z′ mediated FCNC processes: gauge anomaly cancellations at work by Aebischer, Jason, Buras, Andrzej J., Cerdà-Sevilla, Maria, De Fazio, Fulvia

“…A bstract We consider scenarios with a heavy Z ′ gauge boson with flavour non-universal quark and lepton couplings with the goal to illustrate how the…”
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The Dual QCD @ Work: 2018 by Buras, Andrzej J.

“…The Dual QCD (DQCD) framework, based on the ideas of ’t Hooft and Witten, and developed by Bill Bardeen, Jean-Marc Gérard and myself in the 1980s is not QCD, a…”
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Anatomy of prominent B and K decays and signatures of CP-violating new physics in the electroweak penguin sector by Buras, Andrzej J., Fleischer, Robert, Recksiegel, Stefan, Schwab, Felix

“…The recent observation of B d → π 0 π 0 at the B factories with a surprisingly large branching ratio represents a challenge for theory, and complements the…”
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On the superiority of the |Vcb|-γ plots over the unitarity triangle plots in the 2020s by Buras, Andrzej J.

“…The unitarity triangle (UT) plots played already for three decades an important role in the tests of the Standard Model (SM) and the determination of the CKM…”
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Quark flavour observables in the Littlest Higgs model with T-parity after LHC Run 1 by Blanke, Monika, Buras, Andrzej J., Recksiegel, Stefan

“…The Littlest Higgs model with T-parity (LHT) belongs to the simplest new physics scenarios with new sources of flavour and CP violation. The latter originate…”
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Another SMEFT story: Z′ facing new results on ε′/ε, ∆MK and K → πνν by Aebischer, Jason, Buras, Andrzej J., Kumar, Jacky

“…A bstract Recently the RBC-UKQCD lattice QCD collaboration presented new results for the hadronic matrix elements relevant for the ratio ε′/ε in the Standard…”
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