1999 Vol. 23, No. 11
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Abstract:
Analysing the changes of cosmic ray counting rates obtained by the Hial-Rou EAS array in June of 1991, we find a very high energy GLE event after the X solar flare of 15 June 1991. The event started at 1100 UT of the day and lasted about 25 minutes. ...
Analysing the changes of cosmic ray counting rates obtained by the Hial-Rou EAS array in June of 1991, we find a very high energy GLE event after the X solar flare of 15 June 1991. The event started at 1100 UT of the day and lasted about 25 minutes. ...
Abstract:
230Pa was produced with the reaction 232TH (p, 3n)230Pa in the irradiation powder targets of ThO2 with 35 MeV Proton beam. Sources of 230Pa -230U were prepared by radiochemical method. Using solid-state track registration detectors, two events of 230...
230Pa was produced with the reaction 232TH (p, 3n)230Pa in the irradiation powder targets of ThO2 with 35 MeV Proton beam. Sources of 230Pa -230U were prepared by radiochemical method. Using solid-state track registration detectors, two events of 230...
Abstract:
Unreported heavy neutron-rich nuclide 238Th has been produced via a multinucleon transfer reaction by 60MeVIu 180 ions bombardment of natural uranium.Thorium was radiochemically separated from the mixture of uranium and reaction products. 238Pa as a ...
Abstract:
An upgrade has been Performed on the barrel shower counter at Beijing spectrometer to improve the Performance of this detector. For Bhabha events, the energy resolution is better than 21% √E
An upgrade has been Performed on the barrel shower counter at Beijing spectrometer to improve the Performance of this detector. For Bhabha events, the energy resolution is better than 21% √E
Abstract:
Assuming the gauge interactions and gravitation to be trifled in the chiral extension of the standard model, our calculations prove that the generation number of quarks and leptons surely is 3. It is also given that the energy scale of unification is...
Assuming the gauge interactions and gravitation to be trifled in the chiral extension of the standard model, our calculations prove that the generation number of quarks and leptons surely is 3. It is also given that the energy scale of unification is...
Abstract:
We consider a gauge model based on SU(3)L×U(1)X symmetry. In the model each lepton family contains a new neutral fermion (N-Particle). We calculate the lifetime of the N-particle and estimate the value of its mass. We show that the N-particle can act...
We consider a gauge model based on SU(3)L×U(1)X symmetry. In the model each lepton family contains a new neutral fermion (N-Particle). We calculate the lifetime of the N-particle and estimate the value of its mass. We show that the N-particle can act...
Abstract:
We calculate the one-loop Z0-penguin contributions to the rare K-decays,K+→π+νν,KL→π0νν and KL→μ+μ－, from the unit-charged pesudo-Goldstone bosons π1 and π8 in the framework of the Multiscale Walking Technicolor Model. We find that: (a) the π1 and π8...
We calculate the one-loop Z0-penguin contributions to the rare K-decays,K+→π+νν,KL→π0νν and KL→μ+μ－, from the unit-charged pesudo-Goldstone bosons π1 and π8 in the framework of the Multiscale Walking Technicolor Model. We find that: (a) the π1 and π8...
Abstract:
This article solved energy eigenvalues and eigenfunction of Ring-shaped oscillator by using supersymmetry and shape invariance method. The present energy spectrum formulas are consistent with the exact solutions obtained with the Feynman path integra...
This article solved energy eigenvalues and eigenfunction of Ring-shaped oscillator by using supersymmetry and shape invariance method. The present energy spectrum formulas are consistent with the exact solutions obtained with the Feynman path integra...
Abstract:
First order correction of thermodynamic potential of QCD at finite temperature are calculated by real-time formulation of Green fuction. The pressure correction of quark-gluon Plasma and the critical temperature correction of deconfinement of hadron ...
First order correction of thermodynamic potential of QCD at finite temperature are calculated by real-time formulation of Green fuction. The pressure correction of quark-gluon Plasma and the critical temperature correction of deconfinement of hadron ...
Abstract:
On the high energy collisions dynamics distribution of multiparticle production in phace space exist influence unflat distribution. In this paper it is studied carefully for this influence. We have introduce the correction factors, obtained criterion...
On the high energy collisions dynamics distribution of multiparticle production in phace space exist influence unflat distribution. In this paper it is studied carefully for this influence. We have introduce the correction factors, obtained criterion...
Abstract:
The effect of the choice of the background on the pion source parameters in two-Pion interferometry analyses in relativistic heavy-ion collisions is studied with the two-Pion interferometry at small relative momentum. The analytic relations between t...
The effect of the choice of the background on the pion source parameters in two-Pion interferometry analyses in relativistic heavy-ion collisions is studied with the two-Pion interferometry at small relative momentum. The analytic relations between t...
Abstract:
Using axially-symmetric and triaxial superdeformed models [660 1/2] band in 165Lu is investigated. The observed transition energies can be reproduced quite well in both models. However, the signature staggering index, triaxiality factor and the ratio...
Using axially-symmetric and triaxial superdeformed models [660 1/2] band in 165Lu is investigated. The observed transition energies can be reproduced quite well in both models. However, the signature staggering index, triaxiality factor and the ratio...
Abstract:
The temporal variation characteristics of nonstationary wave functions are investigated, which enables us to carry out the study of quantum chaotic dynamics with the same starting point as in corresponding classical case, especially to realize the se...
The temporal variation characteristics of nonstationary wave functions are investigated, which enables us to carry out the study of quantum chaotic dynamics with the same starting point as in corresponding classical case, especially to realize the se...
Abstract:
As an extension of radioactive ion beam physics, the research on isospin dependent properties of hot nuclei has increasingly attracted considerable interest. The isospin effect on the decay of hot nuclei in reactions 35MeV/u 40Ar+112Sn/124Sn has been...
As an extension of radioactive ion beam physics, the research on isospin dependent properties of hot nuclei has increasingly attracted considerable interest. The isospin effect on the decay of hot nuclei in reactions 35MeV/u 40Ar+112Sn/124Sn has been...
Abstract:
The conventional way for the bosonnization of fermions has been based on the Jordon and Wigner scheme. In this paper, we show that this scheme is not correct for k=k′. Therefore the bosonnization of fermions cannot be complete.
The conventional way for the bosonnization of fermions has been based on the Jordon and Wigner scheme. In this paper, we show that this scheme is not correct for k=k′. Therefore the bosonnization of fermions cannot be complete.
Abstract:
A compact 2.45GHz electron cyclotron resonance ion source (ECRIS) for high beam current of single charge state has been nuilt at Institute of Modern Physics. A mixed ion (H1+H2+H3) beam current of 90mA is delivered from a single aperture of φ6mm with...
A compact 2.45GHz electron cyclotron resonance ion source (ECRIS) for high beam current of single charge state has been nuilt at Institute of Modern Physics. A mixed ion (H1+H2+H3) beam current of 90mA is delivered from a single aperture of φ6mm with...
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