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This paper presents the first study of mesons with a quark and an antiquarkwith different and finite masses, in a simple confining and chiral invariantquark-antiquark interaction, leading to spontaneous chiral symmetry breakingand to constituent quarks. In the false chiral invariant vacuum, the chiralpartners are degenerate, and tachyons occur in the light-light spectrum. In thetrue vacuum, most of the standard non-relativistic quark model spectra shouldbe recovered except for the pion and other particular constraints. Thecalibration problem of chiral quark models is also addressed here. The detailedinspection of the different contributions to the D and Ds masses suggests thatthe challenging recently observed Ds*(2317) and Ds*(2460) mesons might not fitas global chirally rotated quark-antiquark Ds mesons.Comment: 8 pages, 2 tables, 4 figures, longer versio

physical review. d. particles, fields, gravitation, and cosmology/physical review. d, particles, fields, gravitation, and cosmology

Confining quark-model suggestion against<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>*</mml:mo></mml:msubsup><mml:mo stretchy="false">(</mml:mo><mml:mn>2317</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>*</mml:mo></mml:msubsup><mml:mo stretchy="false">(</mml:mo><mml:mn>…

Confining quark-model suggestion againstDs*(2317)andDs*(…

Confining quark-model suggestion againstDs(2317)andDs(…