2014 Vol. 38, No. 3
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2014, 38(3): 033101. doi: 10.1088/1674-1137/38/3/033101
Abstract:
In this paper, we calculated the branching ratios and direct CP violation of the four B→Kπ decays with the inclusion of all currently known next-to-leading order (NLO) contributions by employing the perturbative QCD (pQCD) factorization approach. We ...
In this paper, we calculated the branching ratios and direct CP violation of the four B→Kπ decays with the inclusion of all currently known next-to-leading order (NLO) contributions by employing the perturbative QCD (pQCD) factorization approach. We ...
2014, 38(3): 033102. doi: 10.1088/1674-1137/38/3/033102
Abstract:
We solve the Duffin-Kemmer-Petiau (DKP) equation in the presence of Hartmann ring-shaped potential in (3+1)-dimensional space-time. We obtain the energy eigenvalues and eigenfunctions by the Nikiforov-Uvarov (NU) method.
We solve the Duffin-Kemmer-Petiau (DKP) equation in the presence of Hartmann ring-shaped potential in (3+1)-dimensional space-time. We obtain the energy eigenvalues and eigenfunctions by the Nikiforov-Uvarov (NU) method.
2014, 38(3): 033103. doi: 10.1088/1674-1137/38/3/033103
Abstract:
In this paper, we calculate the off-shell superpotential of two Calabi-Yau manifolds with three parameters by integrating the period of the subsystem. We also obtain the Ooguri-Vafa invariants with open mirror symmetry.
In this paper, we calculate the off-shell superpotential of two Calabi-Yau manifolds with three parameters by integrating the period of the subsystem. We also obtain the Ooguri-Vafa invariants with open mirror symmetry.
2014, 38(3): 034101. doi: 10.1088/1674-1137/38/3/034101
Abstract:
The nuclear potentials between protons and different target nuclei are calculated by using the single folding model with the density-dependent nucleon-nucleon interaction. The fusion barrier heights and positions for proton projectiles fusing with di...
The nuclear potentials between protons and different target nuclei are calculated by using the single folding model with the density-dependent nucleon-nucleon interaction. The fusion barrier heights and positions for proton projectiles fusing with di...
2014, 38(3): 034102. doi: 10.1088/1674-1137/38/3/034102
Abstract:
The differential cross sections of elastic and inelastic scattering of 3He ions on 13C and 14C have been studied at an energy of 37.9 MeV with a double folding model based on M3Y-Reid effective nucleon-nucleon interaction. The resulted parameters hav...
The differential cross sections of elastic and inelastic scattering of 3He ions on 13C and 14C have been studied at an energy of 37.9 MeV with a double folding model based on M3Y-Reid effective nucleon-nucleon interaction. The resulted parameters hav...
2014, 38(3): 036001. doi: 10.1088/1674-1137/38/3/036001
Abstract:
A VME-based experiment system for n-γ discrimination using the charge comparison method was established. A data acquisition program for controlling the programmable modules and processing data online via VME64X bus was developed through the use of La...
A VME-based experiment system for n-γ discrimination using the charge comparison method was established. A data acquisition program for controlling the programmable modules and processing data online via VME64X bus was developed through the use of La...
2014, 38(3): 036002. doi: 10.1088/1674-1137/38/3/036002
Abstract:
In the Large High Altitude Air Shower Observatory (LHAASO) project, the one kilometer square extensive air shower array (KM2A) is the the largest detector array in terms of effective area. It consists of 5635 electromagnetic particle detectors (EDs) ...
In the Large High Altitude Air Shower Observatory (LHAASO) project, the one kilometer square extensive air shower array (KM2A) is the the largest detector array in terms of effective area. It consists of 5635 electromagnetic particle detectors (EDs) ...
2014, 38(3): 036003. doi: 10.1088/1674-1137/38/3/036003
Abstract:
Detecting the X-ray emission of pulsars and obtaining the photons' time of arrival are the foundational steps in autonomous navigation via X-ray pulsar measurement. The precision of a pulse's time of arrival is mainly determined by the precision of p...
Detecting the X-ray emission of pulsars and obtaining the photons' time of arrival are the foundational steps in autonomous navigation via X-ray pulsar measurement. The precision of a pulse's time of arrival is mainly determined by the precision of p...
2014, 38(3): 036201. doi: 10.1088/1674-1137/38/3/036201
Abstract:
The recoil distance Doppler shift method has been widely used in the study of nuclear structure to determine the level lifetime and absolute transition probabilities. A capacitance servo control plunger based on this method has been successfully deve...
The recoil distance Doppler shift method has been widely used in the study of nuclear structure to determine the level lifetime and absolute transition probabilities. A capacitance servo control plunger based on this method has been successfully deve...
2014, 38(3): 036202. doi: 10.1088/1674-1137/38/3/036202
Abstract:
A novel algorithm for the discrimination of neutron and γ -ray events with wavelet transform modulus maximum (WTMM) in an organic scintillation has been investigated. Voltage pulses arising from a BC501A organic liquid scintillation detector in a mix...
A novel algorithm for the discrimination of neutron and γ -ray events with wavelet transform modulus maximum (WTMM) in an organic scintillation has been investigated. Voltage pulses arising from a BC501A organic liquid scintillation detector in a mix...
2014, 38(3): 037001. doi: 10.1088/1674-1137/38/3/037001
Abstract:
A novel kind of SC (superconducting) solenoid coil is designed to satisfy the homogeneity requirement of the magnetic field. In this paper, we first calculate the current density distribution of the solenoid coil section through the linear programmin...
A novel kind of SC (superconducting) solenoid coil is designed to satisfy the homogeneity requirement of the magnetic field. In this paper, we first calculate the current density distribution of the solenoid coil section through the linear programmin...
2014, 38(3): 037002. doi: 10.1088/1674-1137/38/3/037002
Abstract:
A superconducting solenoid prototype magnet for Accelerator Driven Subcritical System (ADS) Injection Ⅰ has been designed and fabricated, which has also been tested in a liquid Helium state inside a vertical Dewar in the Haerbin institute of Technolo...
A superconducting solenoid prototype magnet for Accelerator Driven Subcritical System (ADS) Injection Ⅰ has been designed and fabricated, which has also been tested in a liquid Helium state inside a vertical Dewar in the Haerbin institute of Technolo...
2014, 38(3): 037003. doi: 10.1088/1674-1137/38/3/037003
Abstract:
In the upgrade project of Hefei Light Source (HLSⅡ), a new digital longitudinal bunch-by-bunch feedback system will be developed to suppress the coupled bunch instabilities in the storage ring effectively. We design a new waveguide overloaded cavity ...
In the upgrade project of Hefei Light Source (HLSⅡ), a new digital longitudinal bunch-by-bunch feedback system will be developed to suppress the coupled bunch instabilities in the storage ring effectively. We design a new waveguide overloaded cavity ...
2014, 38(3): 037004. doi: 10.1088/1674-1137/38/3/037004
Abstract:
Since the beta function of the electron beam within the undulator has a great influence on the power gain of the free electron laser (FEL), optimization of the undulator lattice becomes important. In this paper, the transfer matrix of the planar undu...
Since the beta function of the electron beam within the undulator has a great influence on the power gain of the free electron laser (FEL), optimization of the undulator lattice becomes important. In this paper, the transfer matrix of the planar undu...
2014, 38(3): 037005. doi: 10.1088/1674-1137/38/3/037005
Abstract:
The ADS (accelerator driven subcritical system) project was proposed by the Chinese Academy of Sciences. The initial proton beams delivered from an electron cyclotron resonance ion source can be effectively accelerated by 162.5 MHz 4.2 m long room te...
The ADS (accelerator driven subcritical system) project was proposed by the Chinese Academy of Sciences. The initial proton beams delivered from an electron cyclotron resonance ion source can be effectively accelerated by 162.5 MHz 4.2 m long room te...
2014, 38(3): 038001. doi: 10.1088/1674-1137/38/3/038001
Abstract:
Thermal decomposition behaviors of TiH2 powder under a owing helium atmosphere and in a low vac- uum condition have been studied using an in situ EXAFS technique. By an EXAFS analysis containing the multiple scattering paths including H atoms, the ch...
Thermal decomposition behaviors of TiH2 powder under a owing helium atmosphere and in a low vac- uum condition have been studied using an in situ EXAFS technique. By an EXAFS analysis containing the multiple scattering paths including H atoms, the ch...
2014, 38(3): 038201. doi: 10.1088/1674-1137/38/3/038201
Abstract:
Radiation dose is an important performance indicator of a dedicated breast CT (DBCT). In this paper, the method of putting thermoluminescent dosimeters (TLD) into a breast shaped PMMA phantom to study the dose distribution in breasts was improved by ...
Radiation dose is an important performance indicator of a dedicated breast CT (DBCT). In this paper, the method of putting thermoluminescent dosimeters (TLD) into a breast shaped PMMA phantom to study the dose distribution in breasts was improved by ...
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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