6533b7dcfe1ef96bd12720c6
RESEARCH PRODUCT
Basics of doubly heavy tetraquarks
Jean-marc RichardA. ValcarceJavier Vijandesubject
HistoryParticle physics[PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th]Nuclear TheoryBar (music)FOS: Physical sciencesspin: dependence01 natural sciencesInstabilityStability (probability)EducationNuclear Theory (nucl-th)High Energy Physics - Phenomenology (hep-ph)0103 physical scienceseffect: colorheavy quarkLimit (mathematics)010306 general physicsNuclear theoryPhysics010308 nuclear & particles physicsHigh Energy Physics::PhenomenologyState (functional analysis)stabilitytetraquarkmathematical methods: variationalComputer Science ApplicationsHigh Energy Physics - Phenomenologyfew-body problem[PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]TetraquarkHigh Energy Physics::Experimentdescription
We outline the most important results regarding the stability of doubly heavy tetraquarks $QQ\bar q\bar q$ with an adequate treatment of the four-body dynamics. We consider both color-mixing and spin-dependent effects. Our results are straightforwardly applied to the case of all-heavy tetraquarks $QQ\bar Q\bar Q$. We conclude that the stability is favored in the limit $M_Q/m_q \gg 1$ pointing to the stability of the $bb\bar u\bar d$ state and the instability of all-heavy tetraquarks.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2018-06-17 |