meson spectroscopy
Meson Spectroscopy in the Light Quark Sector
... by meson spectroscopy. Meson, being made by a quark and an anti- quark, is the simplest quark bound system and therefore the ideal benchmark to study the interaction between quarks and understand ...
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The light meson spectroscopy program
... Radiative decays of J/ mesons have historically been considered a good place to search for glueballs because the cc pair must decay via annihilation so the intermediate state must have gluons in it. BESIII has been ...
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The Meson Spectroscopy Program at the Jefferson Laboratory
... for meson spectroscopy searches: just to remind the most important, high-energy meson (mainly pion) and proton beams, exploiting the peripheral and central production mechanisms, antinucleon ...
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Light meson spectroscopy at BESIII
... Light meson spectroscopy plays a crucial role in examining and understanding the QCD theory in non- pertubative energy .../ψ meson, being the lowest lying 1 −− c¯ c states, provide an ideal ...
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Implication of chiral symmetry on charm meson spectroscopy
... hadronic molecules, respectively; heavy-quark spin symmetry predicts that the binding ener- gies are independent of the heavy meson spin up to an uncertainty of about 10%. Moreover, there are two resonances in the ...
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Meson spectroscopy, resonances and scattering on the lattice
... pled to both πη and K K ¯ – the first strongly-coupled meson-meson scattering system extracted in a lattice QCD calculation. The corresponding pole appears on a single unphysical Riemann sheet, un- like a ...
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Meson spectroscopy at COMPASS
... Abstract. The goal of the COMPASS experiment at CERN is to study the structure and dynamics of hadrons. The two-stage spectrometer used by the experiment has large acceptance and covers a wide kinematic range for charged ...
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Isoscalar meson spectroscopy from lattice QCD
... Our aim here is to extract an isoscalar meson mass spectrum and study the hidden-flavor composition of the states using lattice QCD computations. This is a challeng- ing undertaking for several reasons. It ...
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Heavy quark meson spectroscopy: Experimental results and perspectives
... On the other hand a number of new states have recently been found at the B -factories (and confirmed by other e + e − machines and at the Fermilab Tevatron) whose nature is not yet understood. These states, which are ...
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COMPASS: meson spectroscopy and low-energy meson dynamics
... Abstract. Within the broad physics programme of the COMPASS collabora- tion at CERN SPS, soft reactions of high-energy hadron beams on different nuclear targets are investigated. Aiming at a better understanding of the ...
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Excited D and Ds meson spectroscopy from lattice QCD
... strong overlap with operators proportional to the field strength tensor we interpret these states as the lightest supermultiplet of hybrid mesons and highlight them in red in Fig. 3. The pattern of states observed in the ...
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Scalar glueball and meson spectroscopy in unquenched lattice QCD with improved staggered quarks
... We present results of an exploratory study of singlet scalar states in unquenched QCD using both glueball and meson operators. Results for non-singlet non-strange scalar mesons are also presented. We use Asqtad ...
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Exotic Hybrid Meson Spectroscopy with the GlueX detector at JLab
... isovector(grey) meson spectrum using m π ∼ ...hybrid meson states are indicated by the blue frames with the exotics grouped on the right hand side of the ...
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Status of charmed meson spectroscopy
... charmed meson spectrum on lattice is di ffi cult as their masses are close to the strongly-coupled S -wave D (∗) K thresholds, and thus it is not easy to get the correct masses without taking the D (∗) K into ...
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Precision Meson Spectroscopy at COMPASS
... for meson spec- troscopy was studied in a short pilot run in 2004, where a 190 GeV /c π − beam was shot onto a fixed lead ...hadron spectroscopy physics ...
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Meson spectroscopy at VES and COMPASS
... They appear when di ff erent values of L and spin j of the ππ isobar are used for the.. same J PC M ε..[r] ...
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In-medium Properties of Hadrons
... Abstract. An overview is given over recent results on in-medium properties of hadrons, obtained inexperiments withphoton, proton and deuteron beams at ANKE,CBELSA/TAPS, Crystal Ball, HADES, and BigRIPS. These experiments ...
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In-medium properties of mesons
... the meson might drop in a nuclear medium - as theoretically predicted - which lowers the production threshold and increases the phase space for meson pro- duction below the free threshold ...
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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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Aspects of Meson Condensation
... Abstract. In this work pion and kaon condensation in the framework of chiral per- turbation theory is studied. I consider a system at vanishing temperature with nonzero isospin chemical potential and strangeness chemical ...
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