2018 Vol. 42, No. 2
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2018, 42(2): 023001. doi: 10.1088/1674-1137/42/2/023001
Abstract:
The numbers of ψ(3686) events accumulated by the BESⅢ detector for the data taken during 2009 and 2012 are determined to be (107.0±0.8)×106 and (341.1±2.1)×106, respectively, by counting inclusive hadronic events, where the uncertainties are systemat...
The numbers of ψ(3686) events accumulated by the BESⅢ detector for the data taken during 2009 and 2012 are determined to be (107.0±0.8)×106 and (341.1±2.1)×106, respectively, by counting inclusive hadronic events, where the uncertainties are systemat...
2018, 42(2): 023002. doi: 10.1088/1674-1137/42/2/023002
Abstract:
We report results of a search for light weakly interacting massive particle (WIMP) dark matter from the CDEX-1 experiment at the China Jinping Underground Laboratory (CJPL). Constraints on WIMP-nucleon spin-independent (SI) and spin-dependent (SD) co...
We report results of a search for light weakly interacting massive particle (WIMP) dark matter from the CDEX-1 experiment at the China Jinping Underground Laboratory (CJPL). Constraints on WIMP-nucleon spin-independent (SI) and spin-dependent (SD) co...
2018, 42(2): 023101. doi: 10.1088/1674-1137/42/2/023101
Abstract:
Finite volume effects on the chiral crossover transition of strong interactions at finite temperature are studied by solving the quark gap equation within a cubic volume of finite size L. With the anti-periodic boundary condition, our calculation sho...
Finite volume effects on the chiral crossover transition of strong interactions at finite temperature are studied by solving the quark gap equation within a cubic volume of finite size L. With the anti-periodic boundary condition, our calculation sho...
2018, 42(2): 023102. doi: 10.1088/1674-1137/42/2/023102
Abstract:
We discuss a supersymmetric model with discrete flavor symmetry A4×Z3. The additional scalar fields which contribute masses of leptons in the Yukawa terms are introduced in this model. We analyze their scalar potential and find that they have various...
We discuss a supersymmetric model with discrete flavor symmetry A4×Z3. The additional scalar fields which contribute masses of leptons in the Yukawa terms are introduced in this model. We analyze their scalar potential and find that they have various...
2018, 42(2): 023103. doi: 10.1088/1674-1137/42/2/023103
Abstract:
We study the electroweak phase transition in three scalar extension models beyond the Standard Model. Assuming new scalars are decoupled at some heavy scale, we use the covariant derivative expansion method to derive all of the dimension-6 effective ...
We study the electroweak phase transition in three scalar extension models beyond the Standard Model. Assuming new scalars are decoupled at some heavy scale, we use the covariant derivative expansion method to derive all of the dimension-6 effective ...
2018, 42(2): 023104. doi: 10.1088/1674-1137/42/2/023104
Abstract:
Recently, experimental collaborations have reported O(10) upper limits on the signal strength of four-top production at the LHC. Surprisingly, we find that the constraining power of four-top production on the qqtt type of operators is already competi...
Recently, experimental collaborations have reported O(10) upper limits on the signal strength of four-top production at the LHC. Surprisingly, we find that the constraining power of four-top production on the qqtt type of operators is already competi...
2018, 42(2): 023105. doi: 10.1088/1674-1137/42/2/023105
Abstract:
We show how majoron models may be tested/limited in gravitational wave experiments. In particular, the majoron self-interaction potential may induce a first order phase transition, producing gravitational waves from bubble collisions. We dub such a n...
We show how majoron models may be tested/limited in gravitational wave experiments. In particular, the majoron self-interaction potential may induce a first order phase transition, producing gravitational waves from bubble collisions. We dub such a n...
2018, 42(2): 023106. doi: 10.1088/1674-1137/42/2/023106
Abstract:
We use a unitary coupled-channel model to study the D Λc-D Σc interactions. In our calculation, SU(3) flavor symmetry is applied to determine the coupling constants. Several resonant and bound states with different spin and parity are dynamically gen...
We use a unitary coupled-channel model to study the D Λc-D Σc interactions. In our calculation, SU(3) flavor symmetry is applied to determine the coupling constants. Several resonant and bound states with different spin and parity are dynamically gen...
2018, 42(2): 023107. doi: 10.1088/1674-1137/42/2/023107
Abstract:
Cold Dark Matter particles may interact with ordinary particles through a dark photon, which acquires a mass thanks to a spontaneous symmetry breaking mechanism. We discuss a dark photon model in which the scalar singlet associated to the spontaneous...
Cold Dark Matter particles may interact with ordinary particles through a dark photon, which acquires a mass thanks to a spontaneous symmetry breaking mechanism. We discuss a dark photon model in which the scalar singlet associated to the spontaneous...
2018, 42(2): 023108. doi: 10.1088/1674-1137/42/2/023108
Abstract:
It is shown that in the standard model of KS0 regeneration a system of non-coupled equations of motion is used instead of the coupled ones. A model alternative to the standard one is proposed. A calculation performed by means of the diagram technique...
It is shown that in the standard model of KS0 regeneration a system of non-coupled equations of motion is used instead of the coupled ones. A model alternative to the standard one is proposed. A calculation performed by means of the diagram technique...
2018, 42(2): 023109. doi: 10.1088/1674-1137/42/2/023109
Abstract:
The dilepton invariant mass spectra and integrated branching ratios of the single and double Dalitz decays P→l+l-γ and P→l+l-l+l- (P=π0, η, η'; l=e or μ) are predicted by means of a data-driven approach based on the use of rational approximants appli...
The dilepton invariant mass spectra and integrated branching ratios of the single and double Dalitz decays P→l+l-γ and P→l+l-l+l- (P=π0, η, η'; l=e or μ) are predicted by means of a data-driven approach based on the use of rational approximants appli...
2018, 42(2): 023110. doi: 10.1088/1674-1137/42/2/023110
Abstract:
We study the sign distribution of generalized magnetic susceptibilities in the temperature-external magnetic field plane using the three-dimensional three-state Potts model. We find that the sign of odd-order susceptibility is opposite in the symmetr...
We study the sign distribution of generalized magnetic susceptibilities in the temperature-external magnetic field plane using the three-dimensional three-state Potts model. We find that the sign of odd-order susceptibility is opposite in the symmetr...
2018, 42(2): 024001. doi: 10.1088/1674-1137/42/2/024001
Abstract:
We perform a systematic study of elliptic flow (v2) in Au+Au collisions at √sNN=5 GeV by using a microscopic transport model, JAM. The centrality, pseudorapidity, transverse momentum and beam energy dependence of v2 for charged as well as identified ...
We perform a systematic study of elliptic flow (v2) in Au+Au collisions at √sNN=5 GeV by using a microscopic transport model, JAM. The centrality, pseudorapidity, transverse momentum and beam energy dependence of v2 for charged as well as identified ...
2018, 42(2): 024101. doi: 10.1088/1674-1137/42/2/024101
Abstract:
The spin-dependent nature of the nuclear tensor force is studied in detail within the relativistic Hartree-Fock approach. The relativistic formalism for the tensor force is supplemented with an additional Lorentz-invariant tensor formalism in the σ-s...
The spin-dependent nature of the nuclear tensor force is studied in detail within the relativistic Hartree-Fock approach. The relativistic formalism for the tensor force is supplemented with an additional Lorentz-invariant tensor formalism in the σ-s...
2018, 42(2): 024102. doi: 10.1088/1674-1137/42/2/024102
Abstract:
A sensitive correlation between the ground-state properties of light kaonic nuclei and the symmetry energy at high densities is constructed under the framework of relativistic mean-field theory. Taking oxygen isotopes as an example, we see that a hig...
A sensitive correlation between the ground-state properties of light kaonic nuclei and the symmetry energy at high densities is constructed under the framework of relativistic mean-field theory. Taking oxygen isotopes as an example, we see that a hig...
2018, 42(2): 025101. doi: 10.1088/1674-1137/42/2/025101
Abstract:
Based on relativistic mean field (RMF) models, we study finite Λ-hypernuclei and massive neutron stars. The effective m N-m N interactions PK1 and TM1 are adopted, while the m N-Λ interactions are constrained by reproducing the binding energy of Λ-hy...
Based on relativistic mean field (RMF) models, we study finite Λ-hypernuclei and massive neutron stars. The effective m N-m N interactions PK1 and TM1 are adopted, while the m N-Λ interactions are constrained by reproducing the binding energy of Λ-hy...
2018, 42(2): 025102. doi: 10.1088/1674-1137/42/2/025102
Abstract:
Recently, many new dwarf spheroidal satellites (dSphs) have been discovered by the Dark Energy Survey (DES). These dSphs are ideal candidates for probing for gamma-ray emissions from dark matter (DM) annihilation. However, no significant signature ha...
Recently, many new dwarf spheroidal satellites (dSphs) have been discovered by the Dark Energy Survey (DES). These dSphs are ideal candidates for probing for gamma-ray emissions from dark matter (DM) annihilation. However, no significant signature ha...
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ISSN 1674-1137 CN 11-5641/O4
Original research articles, Ietters and reviews Covering theory and experiments in the fieids of
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- Cosmology
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