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CERN Document Server Znaleziono 4 rekordów  Szukanie trwało 0.65 sekund. 
1.
Pion and Kaon Structure at the Electron-Ion Collider / Aguilar, Arlene C. (Campinas State U.) ; Ahmed, Zafir (Regina U.) ; Aidala, Christine (Michigan U.) ; Ali, Salina (Catholic U.) ; Andrieux, Vincent (Illinois U., Urbana (main) ; CERN) ; Arrington, John (Argonne (main)) ; Bashir, Adnan (IFM-UMSNH, Michoacan) ; Berdnikov, Vladimir (Catholic U.) ; Binosi, Daniele (ECT, Trento ; Fond. Bruno Kessler, Trento) ; Chang, Lei (Nankai U.) et al.
Understanding the origin and dynamics of hadron structure and in turn that of atomic nuclei is a central goal of nuclear physics. This challenge entails the questions of how does the roughly 1 GeV mass-scale that characterizes atomic nuclei appear; why does it have the observed value; and, enigmatically, why are the composite Nambu-Goldstone (NG) bosons in quantum chromodynamics (QCD) abnormally light in comparison? In this perspective, we provide an analysis of the mass budget of the pion and proton in QCD; discuss the special role of the kaon, which lies near the boundary between dominance of strong and Higgs mass-generation mechanisms; and explain the need for a coherent effort in QCD phenomenology and continuum calculations, in exa-scale computing as provided by lattice QCD, and in experiments to make progress in understanding the origins of hadron masses and the distribution of that mass within them. [...]
arXiv:1907.08218; NJU-INP 001/19.- 2019-10-31 - 16 p. - Published in : Eur. Phys. J. A 55 (2019) 190 Fulltext: PDF;
2.
Molecular components in $\mathbf{D_{s0}^{\ast}(2317)}$ and $\mathbf{D_{s1}(2460)}$ mesons / Ortega, Pablo G. (CERN) ; Segovia, Jorge (Munich, Tech. U.) ; Entem, David R. (Salamanca U.) ; Fernández, Francisco (Salamanca U.)
Different experiments have confirmed that the $D_{s0}^{\ast}(2317)$ and $D_{s1}(2460)$ mesons are very narrow states located, respectively, below the $DK$ and $D^{\ast}K$ thresholds. This is markedly in contrast with the expectations of naive quark models and heavy quark symmetry. [...]
arXiv:1609.01846.- 2016-11-29 - 4 p. - Published in : EPJ Web Conf. 130 (2016) 02009 Fulltext: epjconf_meson2016_02009 - PDF; arXiv:1609.01846 - PDF; External link: Preprint
In : 14th International Workshop on Meson Production, Properties and Interaction, Krakow, Poland, 2 - 7 Jun 2016, pp.02009
3.
Molecular components in P-wave charmed-strange mesons / Ortega, Pablo G. (CERN) ; Segovia, Jorge (Munich, Tech. U.) ; Entem, David R. (Salamanca U. ; Salamanca U., IUFFyM) ; Fernandez, Francisco (Salamanca U. ; Salamanca U., IUFFyM)
Results obtained by various experiments show that the $D_{s0}^{\ast}(2317)$ and $D_{s1}(2460)$ mesons are very narrow states located below the $DK$ and $D^{\ast}K$ thresholds, respectively. This is markedly in contrast with the expectations of naive quark models and heavy quark symmetry. [...]
arXiv:1603.07000.- 2016-10-26 - 11 p. - Published in : Phys. Rev. D 94 (2016) 074037 APS Open Access article: PDF; Fulltext: arXiv:1603.07000 - PDF; 10.1103_PhysRevD.94.074037 - PDF; External link: Preprint
4.
Bottomonium spectrum revisited / Segovia, Jorge (Munich, Tech. U. ; Salamanca U., IUFFyM) ; Ortega, Pablo G. (CERN) ; Entem, David R. (Salamanca U. ; Salamanca U., IUFFyM) ; Fernández, Francisco (Salamanca U. ; Salamanca U., IUFFyM)
We revisit the bottomonium spectrum motivated by the recently exciting experimental progress in the observation of new bottomonium states, both conventional and unconventional. Our framework is a nonrelativistic constituent quark model which has been applied to a wide range of hadronic observables from the light to the heavy quark sector and thus the model parameters are completely constrained. [...]
arXiv:1601.05093.- 2016-04-20 - 27 p. - Published in : Phys. Rev. D 93 (2016) 074027 Fulltext: arXiv:1601.05093 - PDF; 10.1103_PhysRevD.93.074027 - PDF; External link: Preprint

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