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Results 11 to 20 of about 16,984,232 (292)

Observation of new excited $${B} ^0_{s} $$ B s 0 states

European Physical Journal C: Particles and Fields, 2021
A structure is observed in the $${B} ^{\pm }{K} ^{\mp }$$ B ± K ∓ mass spectrum in a sample of proton–proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of
LHCb Collaboration +982 more
doaj +1 more source

Phase operators, phase states and vector phase states for SU(3) and SU(2,1) [PDF]

, 2011
This paper focuses on phase operators, phase states and vector phase states for the sl(3) Lie algebra. We introduce a one-parameter generalized oscillator algebra A(k,2) which provides a unified scheme for dealing with su(3) (for k < 0), su(2,1) (for k >
Berndt B. C. +6 more
core +3 more sources

Description of the newly observed $$\Xi _c^{0}$$ Ξ c 0 states as molecular states

European Physical Journal C: Particles and Fields, 2020
Very recently, three new structures $$\Xi _c(2923)^0$$ Ξ c ( 2923 ) 0 , $$\Xi _c(2938)^0$$ Ξ c ( 2938 ) 0 , and $$\Xi _c(2964)^0$$ Ξ c ( 2964 ) 0 at the invariant mass spectrum of $$\Lambda _c^{+}K^{-}$$ Λ c + K - observed by the LHCb Collaboration ...
HongQiang Zhu, NaNa Ma, Yin Huang
doaj +1 more source

, 2014
A five-body calculation of $^{12}$C+$n$+$n$+$p$+$p$ is performed to take a step towards solving an outstanding problem in nuclear theory: The simultaneous and accurate description of the ground and first excited 0$^+$ states of $^{16}$O. The interactions
W. Horiuchi, Y. Suzuki
semanticscholar +1 more source

Landau Levels as a Limiting Case of a Model with the Morse-Like Magnetic Field [PDF]

, 2014
We consider the quantum mechanics of an electron trapped on an infinite band along the $x$-axis in the presence of the Morse-like perpendicular magnetic field $\vec{B}=-B_{0}e^{-\frac{2\pi}{a_{0}}x}\hat{k}$ with $B_{0}>0$ as a constant strength and $a_{0}
Fakhri, H., Mojaveri, B., Nobary, M. A. Gomshi +2 more
core +1 more source

Lowest Open Channels, Bound States, and Narrow Resonances of Dipositronium [PDF]

, 2003
The constraints imposed by symmetry on the open channels of dipositronium has been studied, and the symmetry-adapted lowest open channel of each quantum state has been identified.
A. M. Frolov +13 more
core +2 more sources

Search for double-beta decay of $$\mathrm {^{130}Te}$$ 130 Te to the $$0^+$$ 0 + states of $$\mathrm {^{130}Xe}$$ 130 Xe with CUORE

European Physical Journal C: Particles and Fields, 2021
The CUORE experiment is a large bolometric array searching for the lepton number violating neutrino-less double beta decay ( $$0\nu \beta \beta $$ 0 ν β β ) in the isotope $$\mathrm {^{130}Te}$$ 130 Te .
D. Q. Adams +112 more
doaj +1 more source

The S- and P-wave fully charmed tetraquark states and their radial excitations

European Physical Journal C: Particles and Fields, 2023
Inspired by recent progresses in observations of the fully charmed tetraquark states by LHCb, CMS, and ATLAS collaborations, we perform a systematic study of the ground states and the first radial excitations of the S- and P-wave $$\textrm{cc}\bar ...
Guo-Liang Yu +4 more
doaj +1 more source

Study of 0(+) states with open charm in the unitarized heavy meson chiral approach [PDF]

, 2012
We calculate the scattering amplitudes of Goldstone bosons off the pseudoscalar D mesons in the unitarized heavy meson chiral approach. The low energy constants appearing in the O(p(2)) chiral Lagrangian are determined by fitting lattice simulations on S-
P. Wang, X. G. Wang
semanticscholar +1 more source

Search for the Charmed Baryonium and Dibaryon Structures via the QCD Sum Rules

Advances in High Energy Physics, 2022
In the present work, we construct eight six-quark currents to study the ΣcΣ¯c baryonium and ΣcΣc dibaryon states via the QCD sum rules. For either ΣcΣ¯c baryonium or ΣcΣc dibaryon states, we construct four currents with the JP=1−,1+,0+ and 0−. Except the
Xiu-Wu Wang, Zhi-Gang Wang
doaj +1 more source

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nuclear models
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