Meson Decays
Recent Results on Meson Decays from A2
... Light meson decays are used to investigate topics related to fundamental as- pects of particle ...of meson Dalitz decays give input to theoretical evaluations of the Hadronic Light-by-Light ...
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Light meson decays at BESIII
... light meson decays. The η and η decays are sensitive tools for investigations of π − π and η − π interactions, symmetry breaking, and serve as a test of chiral perturbation ...η decays were ...
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Annihilation-Type Semileptonic B-Meson Decays
... Heavy quark physics, in particular related to the bottom (or b) quark, has been an important aspect of the high energy physics research carried out in experiments at hadron colliders at CERN and Fermilab and at the ...
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B meson decays in leptons: powerful probes of new physics
... B meson properties and successfully confirmed the Standard Model (SM) predictions in the flavour ...B decays. Here we present some recent result from BaBar on B meson decays in channels with ...
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Detection of mirror-meson decays at CERN
... mirror-meson decays to photon pairs which are free from QCD background, their strength varies considerably according to the aforementioned prefactors depending on effective mirror-meson cou- plings ...
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Search for flavor changing neutral current D meson decays
... (FCNC) decays of beauty, charmed, and strange hadrons that could significantly alter the decay rate with respect to SM expec- ...FCNC decays in the SM. In B meson decays, the experi- mental ...
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Light meson decays from photon-induced reactions with CLAS
... light meson group was established in ...light meson decays using data obtained with the CLAS ...Since decays of hadrons are indepen- dent of production, all CLAS data can be used, however ...
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Light Meson Decays at BESIII
... light meson decays. The recent results on the light meson decays are reviewed in this ...η/η decays, including Dalitz plot analysis of η/η → πππ, observation of new decay modes (η → π + ...
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Rare CP-violated η and η′ meson decays and neutron EDM.
... Abstract. The data for the upper limit on the electric dipole moment of the neutron (nEDM) can be explained by using different mechanisms beyond the Standard Model (SM). The nEDM can be generated by a CP-violating ...
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The Effect of Vector Meson Decays on Dihadron Fragmentation Functions
... shown on the plots in Fig. 2. Here the plot in Fig. 2(a) depicts the results obtained when considering only the pions produced directly by the fragmenting u quark (primary pions), while Fig. 2(b) depicts the results when ...
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Studies of excited D mesons in B meson decays
... flavour decays from ...many decays have kinematically similar event topologies but different final state particles, so some backgrounds can only be rejected using PID ...
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Cusp effects in meson decays
... Let us very briefly discuss the first two modern ex- perimental approaches. Pionium is the electromagnetically bound state of a π + π − pair, with an ionization energy of about 1.86 keV and a ground state width of about ...
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Exotic meson decays and polarization asymmetry in hadron environment with chiral imbalance
... effective meson La- grangian motivated by QCD in the chiral medium the properties of light scalar and pseu- doscalar mesons are ...exotic decays of scalar mesons arise as a result of mixing of π and a 0 ...
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Rates, polarizations, and asymmetries in charmless vector-vector B meson decays
... B decays is negligible for the modes with a narrow resonance and is relatively small for other charmless B decay ...K decays. The remaining small background coming from B decays (about 6% of the ...
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Universal couplings in two body strong and electromagnetic meson decays
... Following the derivation of numerous interaction and decay rate formulae, the coupling constants for OZI allowed two-body strong decays of L =1 to L = 3 parent meson to ground state meso[r] ...
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Semileptonic B-meson decays to light pseudoscalar mesons on the HISQ ensembles
... combining with experimental results for the charged-current decays, which will help to address the tension between inclusive and exclusive determinations. Second, we will test for new physics by comparing with ...
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CP violation in D meson decays at Belle
... The dominant background for the signal mode comes from the decay of a π 0 meson to a pair of photons. Here one of the the photons from the π 0 meson is misreconstructed as the signal candidate. To reduce ...
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Using Factorization to Estimate the Charmed Meson Decays
... leptonic decays with short and long distance QCD are researched in some articles [3], not mentioned in our ...simplest decays, the two body decays like , ̅ cannot be calculated in QCD reliably at ...
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Recent Results on Meson Decays from A2
... based on a model-independent method using Canterbury approximants [73] (magenta long-dashed line with gray error band); basic calculation from JPAC [74] (blue dashed line in (c)) and inc[r] ...
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Studying η-Meson Decays with WASA-at-COSY
... The different η-decays are measured and reconstructed within the 4π wide angle shower apparatus (WASA) (see Fig. 1), which is located at the cooler synchrotron (COSY) at the Jülich Research Center in Germany. A ...
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