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Author Hidalgo-Duque, C.; Nieves, J.; Pavon Valderrama, M.
Title Heavy quark spin symmetry and SU(3)-flavour partners of the X (3872) Type Journal Article
Year (down) 2013 Publication Nuclear Physics A Abbreviated Journal Nucl. Phys. A
Volume 914 Issue Pages 482-487
Keywords Heavy quark spin and flavour symmetries; Hidden charm molecules; XYZ states
Abstract In this work, an Effective Field Theory (EFT) incorporating light SU(3)-flavour and heavy quark spin symmetries is used to describe charmed meson-antimeson bound states. At Lowest Order (LO), this means that only contact range interactions among the heavy meson and antimeson fields are involved. Besides, the isospin violating decays of the X(3872) will be used to constrain the interaction between the D and a (D) over bar* mesons in the isovector channel. Finally, assuming that the X(3915) and Y(4140) resonances are D* (D) over bar* and D-s* (D) over bar (s)* molecular states, we can determine the four Low Energy Constants (LECs) of the EFT that appear at LO and, therefore, the full spectrum of molecular states with isospin I = 0, 1/2 and 1.
Address [Hidalgo-Duque, C.; Nieves, J.] Univ Valencia, Inst Fis Corpuscular IFIC, Inst Invest Paterna, Ctr Mixto CSIC, E-46071 Valencia, Spain, Email: carloshd@ific.uv.es
Corporate Author Thesis
Publisher Elsevier Science Bv Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0375-9474 ISBN Medium
Area Expedition Conference
Notes WOS:000324847700068 Approved no
Is ISI yes International Collaboration yes
Call Number IFIC @ pastor @ Serial 1600
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Author Hidalgo-Duque, C.; Nieves, J.; Ozpineci, A.; Zamiralov, V.
Title X(3872) and its partners in the heavy quark limit of QCD Type Journal Article
Year (down) 2013 Publication Physics Letters B Abbreviated Journal Phys. Lett. B
Volume 727 Issue 4-5 Pages 432-437
Keywords
Abstract In this Letter, we propose interpolating currents for the X(3872) resonance, and show that, in the heavy quark limit of QCD, the X(3872) state should have degenerate partners, independent of its internal structure. Magnitudes of possible I = 0 and I = 1 components of the X(3872) are also discussed.
Address [Hidalgo-Duque, C.; Nieves, J.; Ozpineci, A.] Ctr Mixto CSIC UV, Inst Invest Paterna, Inst Fis Corpuscular, Valencia 46071, Spain, Email: carloshd@ific.uv.es;
Corporate Author Thesis
Publisher Elsevier Science Bv Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0370-2693 ISBN Medium
Area Expedition Conference
Notes WOS:000328722500011 Approved no
Is ISI yes International Collaboration yes
Call Number IFIC @ pastor @ Serial 1665
Permanent link to this record