According to the new K^*(892)⁰ and K^*(892)^－ masses reported by the BELLE experiment and the K^*(892)⁰ mass reported by the FOCUS experiment, mass splitting between neutral and charged K^*(892) becomes very small. This is significantly different from the...

In the framework of R-parity violating supersymmetry, we investigate the time dependent CP asymmetry S_φKS anomaly of B→φK_S decay. When the values of the weak phase φ in the R-parity violating coupling fall into certain parameter spaces (246°<φ<263°) ...

We examine the effects of an unparticle U as a possible source of missing energy in the p-wave decays of a B meson. The dependence of the differential branching ratio on the K₀*(K₁)－ meson's energy is discussed in the presence of scalar and vector un...

Self-affine multiplicity scaling is investigated in the framework of a two-dimensional factorial moment methodology using the concept of the Hurst exponent (H). Investigation of the experimental data of medium-energy knocked-out target protons in ⁸⁴K...

The γ-rays and protons from an E_d= 20 keV deuteron beam incident on a D—Ti target were measured. A branching ratio of the ²H(d,γ)⁴He reaction versus the ²H(d,p)³H reaction of Γ_γ/Γ_p = (1.06±0.34)×10^－7 has been obtained, and the astrophysical S factor ...

α decay half-lives of some new synthesized superheavy elements, possibly synthesized superheavy elements and decay products are calculated theoretically within the WKB approximation by using microscopic α-nucleus interaction potentials. These nuclear...

Based on a hydro-inspired azimuthally symmetric emission function, we analyze the HBT radius R_s and the single-particle transverse momentum spectra in Au+Au collisions measured by the STAR Collaboration at √s_NN=200 GeV. The results show that consiste...

The design principle for a multi-wire proportional chamber with a cathode strip and delay-line readout is described. A prototype chamber of a size of 10 cm×10 cm was made together with the readout electronics circuit. A very clean signal with very lo...

The experimental results of single event burnout induced by heavy ions and ²⁵²Cf fission fragments in power MOSFET devices have been investigated. It is concluded that the characteristics of single event burnout induced by ²⁵²Cf fission fragments is ...

Six-gap resistive plate chamber (MRPC) prototypes with semiconductive glass electrodes (bulk resistivity ~10¹⁰Ω﹒cm) were studied for suitability in time-of-flight (TOF) applications at high rates. These studies were performed using a continuous elect...

The neutron response function for a BC501A liquid scintillator (LS) has been measured using a series of monoenergetic neutrons produced by the p-T reaction. The proton energies were chosen such as to produce neutrons in the energy range of 1 to 20 Me...

The peak shapes of γ-rays at various energies must be known before unfolding the multiplet spectra obtained by using semiconductor or scintillation detectors. Traditional methods describe isolated peaks with multi-parameter fitting functions, and ass...

An RF system for the CSRe (cooling storage experimental ring) is designed and
manufactured domestically. The present paper mainly describes the RF system
design in five main sections: ferrite ring, RF cavity, RF generator, low level system and cavity c...

The national science project HIRFL-CSR has recently been officially accepted. As a cyclotron and synchrotron complex, it puts some particularly high demands on the control system. There are hundreds of pieces of equipment that need to be synchronized...

A new mode is designed with an emittance of 2.47 nm﹒rad at 3.0 GeV beam energy, lower than the nominal mode of the Shanghai Synchrotron Radiation Facility (SSRF) storage ring. Details of the linear optics design and the nonlinear optimization are pre...

A TTF-type coaxial higher order modes (HOM) coupler has been used in a TESLA 9 cell cavity. It is impossible to measure the stop band characteristics of the HOM coupler with the cavity. A measurement device for the coaxial transmission line type for ...