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Related papers: Molecular structure of the Bs0*(5725) and Bs1(5778…

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Properties of scalar mesons below 1.0 GeV have been studied by regarding them as hadronic molecular states. Using the effective Lagrangian approach, we have calculated their leptonic decays, strong decays and productions via the $\phi$…

High Energy Physics - Phenomenology · Physics 2009-06-29 Yong-Liang Ma

We investigate the mass spectrum and the decay properties of the $B_s$ mesons within the screened nonrelativistic quark model and the $^3P_0$ model. Our results suggest that the $B_{sJ}(6064)$ and $B_{sJ}(6114)$ states, as the first…

High Energy Physics - Phenomenology · Physics 2023-06-22 Wei Hao , Yu Lu , En Wang

Encouraged by a recent observation of the B_c^+ -> B_s^0 + pi^+ decay by the LHCb collaboration we present the meson dominance predictions for other weak decays of the B_c^+ into B_s^0 or B^0 in the form of branching ratios to the observed…

High Energy Physics - Phenomenology · Physics 2013-09-05 Peter Lichard

Heavy quark symmetry can help us identify the internal structure of hadrons and predict new particles. In this study, we examine the strong decay modes of the observed $\Lambda_b^0(6146)$ and $\Lambda_b^0(6152)$, assuming these two states…

High Energy Physics - Phenomenology · Physics 2024-06-18 Jing-wen Feng , Cai Cheng , Yin Huang

Bottomonium-like resonances Zb(10610) and Zb'(10650) are good candidates of hadronic molecules composed of BBbar* (or B*Bbar) and B*Bbar*, respectively. Considering Zb (Zb') as heavy meson molecules, we investigate the decays of Zb(')^+ ->…

High Energy Physics - Phenomenology · Physics 2014-04-23 Shunsuke Ohkoda , Shigehiro Yasui , Atsushi Hosaka

Stimulated by the exciting progress in experiments, we carry out a combined analysis of the masses, and strong and radiative decay properties of the $B$ and $B_s$-meson states up to the second orbital excitations. Based on our good…

High Energy Physics - Phenomenology · Physics 2021-06-16 Qi li , Ru-Hui Ni , Xian-Hui Zhong

Measurements of $\mathrm{B}^*_\mathrm{s2}(5840)^0$ and $\mathrm{B}_\mathrm{s1}(5830)^0$ mesons are performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of 19.6 fb$^{-1}$, collected with the CMS…

High Energy Physics - Experiment · Physics 2018-11-19 CMS Collaboration

Using the existing state of art of the QCD expressions of the two-point correlators into the Inverse Laplace sum rules (LSR) within stability criteria, we present a first analysis of the spectra and decay constants of B_c-like scalar…

High Energy Physics - Phenomenology · Physics 2023-08-08 Stephan Narison

Exclusive weak radiative B meson decays are studied using the covariant oscillator quark model. The branching ratios for the processes B0 to K*0 gamma and B to K* gamma have been estimated. These are in reasonable agreement with the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Rukmani Mohanta , Anjan K. Giri , Mohinder P. Khanna , Muneyuki Ishida , Shin Ishida

It is argued that radiative decays of scalars a0/f0(980) can serve as a decisive tool in establishing the nature of the latter. In particular, predictions for the widths of the radiative decays S->gamma V (S=a0/f0(980), V=omega/rho/gamma)…

High Energy Physics - Phenomenology · Physics 2007-11-21 A. V. Nefediev

The masses and decays of the scalar D_{s0}^*(2317) and axial-vector D_{s1}^*(2460) charmed strange mesons are calculated consistently in the hadrogenesis conjecture. These mesons decay either strongly into the isospin-violating pi^0 D_s and…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. F. M. Lutz , M. Soyeur

We reconsider two classical proposals for the determination of the angle gamma of the unitarity triangle: B^\pm => chi_{c0} \pi^\pm => \pi^+\pi^-\pi^\pm and B_s => rho^0 K_S => \pi^+ \pi^- K_S. We point out the relevance, in both cases, of…

High Energy Physics - Phenomenology · Physics 2010-11-23 A. Deandrea , R. Gatto , M. Ladisa , G. Nardulli , P. Santorelli

Using 22.7M BBbar events collected with the BABAR detector at SLAC, we present preliminary measurements of the branching fractions for charmless hadronic decays of B mesons into two-body, quasi two-body and three-body final states with…

High Energy Physics - Experiment · Physics 2007-05-23 Marcella Bona

We analyze the electromagnetic and strong decay properties of the light scalars a0(980) and f0(980) within a hadronic molecule interpretation. Both scalars are discussed within a covariant and gauge invariant model which also allows for…

High Energy Physics - Phenomenology · Physics 2008-12-18 Tanja Branz , Thomas Gutsche , Valery E. Lyubovitskij

In this article, we study the two body strong decays with the emission of light pseudo-scalar mesons $(\pi, \eta, K)$ for higher excited bottom states with in the framework of HQET. Inspired from the recent observation of bottom meson…

High Energy Physics - Phenomenology · Physics 2019-06-05 Pallavi Gupta , A. Upadhyay

We apply a phenomenological Lagrangian approach to the radiative decay Y(4260) -> X(3872) + gamma. The Y(4260) and X(3872) resonances are considered as composite states containing both molecular hadronic and charmonium components. Having a…

High Energy Physics - Phenomenology · Physics 2014-10-30 Yubing Dong , Amand Faessler , Thomas Gutsche , Valery E. Lyubovitskij

We review recent measurements of heavy B hadron states including masses and lifetimes of the Bc meson as well as excited B states (B**, Bs**). We discuss properties of the Bs meson such as lifetime, lifetime difference delta_Gamma/Gamma and…

High Energy Physics - Experiment · Physics 2011-01-27 Manfred Paulini

Masses and decay constants of scalar $D_0$ and $D_{s0}$ mesons in isospin asymmetric strange hadronic matter at finite temperature are evaluated using QCD sum rules and chiral SU(3) model. In-medium light quark condensates, $\left\langle…

High Energy Physics - Phenomenology · Physics 2018-08-29 Rahul Chhabra , Arvind Kumar

Branching fractions of B^0s decays into specific CP eigenstates are presented, and these and other results are combined in world averages to evaluate implications on the width difference between mass or CP eigenstates, \Delta\Gamma_s. New…

High Energy Physics - Experiment · Physics 2008-11-26 R. Van Kooten

The decay constants of the low lying S-wave $B_c$ mesons, i.e. $B_c(nS)$ and $B^*_c(nS)$ with $n\leq 3$, are calculated in the nonrelativistic quark model. The running coupling of the strong interaction is taken into account, and the…

High Energy Physics - Phenomenology · Physics 2023-01-04 Chao Sun , Ru-Hui Ni , Muyang Chen