2017
DOI: 10.1140/epjc/s10052-017-4868-8
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The possible $$B\pi $$ B π molecular state and its radiative decay

Abstract: Recently, several exotic bosons have been confirmed as multi-quark states. However, there are violent disputes about their inner structures, namely if they are molecular states or tetraquarks, or even mixtures of the two structures. It would be interesting to search experimentally for non-strange four-quark states with open charm or bottom which are lighter than c or b . Reasonable arguments indicate that they are good candidates of pure molecular states Dπ or Bπ because pions are the lightest boson. Both Bπ a… Show more

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Cited by 4 publications
(4 citation statements)
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“…This technique was developed by Feynman, Bethe, and Salpeter et al [23][24][25]. It has been applied to theoretical studies concerning heavy baryons and molecular bound states [26][27][28][29][30][31]. In previous studies, the possible bound states of KK , DK , BK , and K − p have been investigated in the BS formalism in the ladder and instantaneous approximations [27][28][29][30].…”
Section: Introductionmentioning
confidence: 99%
“…This technique was developed by Feynman, Bethe, and Salpeter et al [23][24][25]. It has been applied to theoretical studies concerning heavy baryons and molecular bound states [26][27][28][29][30][31]. In previous studies, the possible bound states of KK , DK , BK , and K − p have been investigated in the BS formalism in the ladder and instantaneous approximations [27][28][29][30].…”
Section: Introductionmentioning
confidence: 99%
“…Before the observation of X(5568), there existed a few studies on open charm and bottom tetraquark states, which mainly concentrated on the tetraquark interpretation of D * s0 (2317) [29][30][31][32][33][34][35]. The evidence of X(5568) immediately attracted great interests and many extensive theoretical investigations under various interpretations, such as tetraquark [36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54], molecule [55][56][57][58][59][60][61][62][63][64], and kinematic effects [65][66][67]. Other related topics are also wildly discussed [68][69][70][71][72][73][74][75][76]…”
Section: Introductionmentioning
confidence: 99%
“…Before the observation of Xð5568Þ, there existed a few studies on open charm and bottom tetraquark states, which mainly concentrated on the tetraquark interpretation of D Ã s0 ð2317Þ [29][30][31][32][33][34][35]. The evidence of Xð5568Þ immediately attracted great interest and many extensive theoretical investigations under various interpretations, such as a tetraquark [36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55], molecules [56][57][58][59][60][61][62][63][64][65], and kinematic effects [66][67][68]. Other related topics were also widely discussed [69][70][71][72][73][74][75][76]…”
Section: Introductionmentioning
confidence: 99%