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Charmed Meson

Status of charmed meson spectroscopy

Status of charmed meson spectroscopy

... (axial-vector) charmed mesons can be studied via the S -wave scattering between the ground state pseudoscalar (vector) charmed mesons and the light pseudoscalar mesons, and they appear as poles in the ...

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Probing the transversity spin structure of a nucleon in neutrino-production of a charmed meson

Probing the transversity spin structure of a nucleon in neutrino-production of a charmed meson

... heavy meson distribution amplitudes leads to a non-zero transverse ampli- tude for exclusive neutrino production of a D pseudoscalar charmed meson on an unpolar- ized ...

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Using Factorization to Estimate the Charmed Meson Decays

Using Factorization to Estimate the Charmed Meson Decays

... In this article, we would like to give some brief introduction to Operator Production Expansion and Factorization, and Section 3 gives some applications to deduce the deca[r] ...

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Single and double charmed meson production at the LHC

Single and double charmed meson production at the LHC

... It was argued recently that the cross section for c cc ¯ c ¯ production at the LHC may be very large due to mechanism of double-parton scattering (DPS) [7]. In the meanwhile the LHCb collaboration measured the cross ...

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Constraints on atmospheric charmed-meson production from IceCube

Constraints on atmospheric charmed-meson production from IceCube

... As it was pointed out in the Sect. 4, modern collider experiments, like experiments at RHIC and LHC, have limited coverage in the very large rapidity region. Consequently, the forward charmed particles are ...

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Charmed meson production at LHCb

Charmed meson production at LHCb

... where M refers to any of the studied mesons or meson pairs, Δa i are the widths of a bin i of the dependent variable a , N i ( M → f + c.c.) is the measured signal yield for decays of M to the final state f in bin ...

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Excited Charmed Baryons

Excited Charmed Baryons

... The spectroscopy of charmed baryons is beautiful and intricate. With three quarks there are nu- merous degrees of freedom, giving rise to many more states than in the charmed meson sector. At the ...

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Strange Charmed Baryons Spectroscopy

Strange Charmed Baryons Spectroscopy

... The spectroscopy of charmed baryons is beautiful and intricate. With three quarks there are numerous degrees of freedom, giving rise to many more states than in the charmed meson sector. At the same ...

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Angular analysis of the e+e- → D(*)D* process near the open-charm threshold using initial-state radiation

Angular analysis of the e+e- → D(*)D* process near the open-charm threshold using initial-state radiation

... the charmed meson reconstruction the accuracy of the cross section measurements is increased by a factor of 2 in comparison with the previous Belle study ...

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Recent developments in charmed baryon spectroscopy

Recent developments in charmed baryon spectroscopy

... of charmed baryons is beautiful and ...the charmed meson ...singly charmed states can be thought of in three broad regimes: the ground states, which are a vindication of the constituent quark ...

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A pseudoscalar glueball and charmed mesons in the extended linear sigma model

A pseudoscalar glueball and charmed mesons in the extended linear sigma model

... (1) have been computed, with the same results for light mesons as in the strange and non-strange sector [8], and with (open and hidden) charmed meson masses being in reasonably good agreement with ...

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The role of mesons in muon g − 2

The role of mesons in muon g − 2

... A general introduction I have presented recently in [4] (see also my recently actualized book [5]) and the present short note should be considered as a supplement with a focus an the role of meson physics in this ...

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Spectroscopy of Charmed and Bottom Hadrons using Lattice QCD

Spectroscopy of Charmed and Bottom Hadrons using Lattice QCD

... One would expect that these subtractions will effectively remove the heavy quark content and so will reduce the discretization errors. In Figures 5 we show subtracted energy levels for the charmed-bottom Ω baryons ...

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A study of the fully differential inclusive semileptonic B meson decay rate

A study of the fully differential inclusive semileptonic B meson decay rate

... inclusive charm momentum spectra have been tuned to approximately agree with data (see Figure 5.6), and the semileptonic branching fractions of the charmed hadrons are adjusted to sum up to the inclusive ...

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Vector mesons polarization versus color transparency

Vector mesons polarization versus color transparency

... theoretical point of view the possible difference between transverse and longitudinal cross sections is the result of different distribution of quarks in vector mesons depending on their polarizations. This effect takes ...

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Search for T-invariance violation in pd-scattering

Search for T-invariance violation in pd-scattering

... Here σ ( σ N ) is the Pauli matrix acting on the spin state of the proton (nucleon N = p , n ), τ ( τ N ) is the isospin matrix acting on the isospin state of the proton (nucleon), the momenta q and k are defined below ...

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In-medium properties of mesons

In-medium properties of mesons

... The light vector mesons ρ, ω and Φ are particularly suited for the mass distribution measurements since their life- times of 1.3 fm / c, 23 fm / c and 46 fm / c, respectively, are so short that they decay within the ...

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XYZ states as hadronic molecules

XYZ states as hadronic molecules

... tematic approach to ¯ QQ mesons based on the Hamiltonian (1) can be found in Ref. [8] and in many later works. Thus, the quark model provides a good description of the ¯ QQ spectra below the open-flavour thresholds, as ...

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Recent heavy-flavour results from ATLAS

Recent heavy-flavour results from ATLAS

... double ratio for ψ (2S) to J /ψ , as a function of centrality expressed as N Part , for prompt meson production (left) and. non-prompt meson production (right)[r] ...

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Excited spectroscopy of charmed mesons from lattice QCD

Excited spectroscopy of charmed mesons from lattice QCD

... The observed pattern of states in the supermultiplet, expected if a quark-antiquark pair in S-wave is coupled to a 1 +− excited gluonic field, and its appearance at an energy scale ∼ 1.2 GeV above the lightest ...

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