B meson anomaly
WebMar 18, 2024 · Based on the vector-meson-dominance model and QCD Van der Waals representation, we find that the percentage of trace anomaly in the proton mass ranges from $16\%$ to $24\%$, which is of similar order of magnitude as the 23$\%$ given by Lattice QCD. We also provide the approximate magnitudes of the systematic … WebFeb 1, 2024 · Motivated by flavor non-universality and anomalies in semi-leptonic B-meson decays, we present a general and systematic discussion about how to construct anomaly-free U(1)′ gauge theories based on an extended standard model with only three right-handed neutrinos.If all standard model fermions are vector-like under this new gauge …
B meson anomaly
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WebDark matter and B-meson anomalies in a flavor dependent gauge symmetry Parada T.P. Hutauruk, 1,* Takaaki Nomura, 2,† Hiroshi Okada, 1,‡ and Yuta Orikasa 3,§ 1 Asia Pacific Center for ... WebParticular short-lived particles called B-mesons, created when the LHC smashes protons together, seem to be decaying in unexpected ways, Simone Bifani at the University of …
WebAug 2024 - Apr 20249 months. Atlanta, Georgia, United States. - Presented product vision, short- and long-term goals while producing an efficient roadmap for product delivery. - … WebAmong them, the B-meson decay anomaly is a very challenging topic due to some indications of new physics have been suggested in the B physics. For example, the angular observable P ′
WebJan 21, 2024 · What the LHCb team observes is fascinating, as they are able to observe the different ways that B mesons can decay to three pions. For example, the B meson can initially decay into an intermediate state … WebDec 11, 2024 · A combined explanation of the. -meson decay anomalies with a single vector leptoquark. J. Kriewald, C. Hati, J. Orloff, A. M. Teixeira. Motivated by the recent experimental progress on the and anomalies in -decays, we consider an extension of the Standard Model by a single vector leptoquark field. We study how one can achieve the …
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WebOct 8, 2024 · We assume that the quark-flavor coefficients matrix of the semileptonic operators addressing the neutral-current B-meson anomalies has rank-one, i.e. it can be described by a single vector in quark-flavor space.By correlating the observed anomalies to other flavor and high-p T observables, we constrain its possible directions and we show … elliotts boots and shoes hixsonWebJul 2, 2024 · In 2016, the Large Hadron Collider Beauty (LHCb) Collaboration at CERN reported an anomaly in their data—another result that conflicts with the standard model (see News Feature: The Era of … ford c max alternatorWebIt can happen that a B meson decays into a pseudo-scalar or vector particle and two light leptons. This type of decay is rare—on the order of one in ten million events. B meson … ford c max bumperWebWhen collisions of protons produced massive particles called B mesons, these quickly decayed. The most frequent decay pattern produced another type of meson, called a … elliotts boots campbell stationWebJul 6, 2024 · Abstract. We entertain the option of scalar leptoquarks to explain the anomalies in the semileptonic decays of B mesons and the discrepancies in the lepton (g−2)l ’s including the recent results at Fermilab E989. The RK(*) and RD(*) anomalies can be accommodated by the specific couplings for triplet and singlet leptoquarks, respectively ... elliotts boots dalton gaWebApr 19, 2024 · In the latest study, researchers looked at two separate groups of data from LHCb on B-meson decays, and in each case found an anomaly with a statistical significance below 2.5 sigma (a measure of ... elliotts boots cleveland tn hoursWebKaposiform lymphatic anomaly (KLA): A rare condition that causes abnormal lymphatic vessels to damage surrounding tissue, bones and organs. For children with vascular … ford c max bordcomputer