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transition probabilities
相关语句
  跃迁几率
     THE B(λkq) INTENSITY PARAMETERS AND 4f-4f TRANSITION PROBABILITIES OF Na_5Eu(MO_4)_4(M =Mo, W)
     Na_5Eu(MO_4)_4(M=Mo,W)的B(λkq)强度参数和跃迁几率
短句来源
     Radiative transition probabilities for Ca~(17+) and Mn~(22+)
     Ca~(17+)和Mn~(22+)的辐射跃迁几率
短句来源
     Radiative transition probabilities of Sc~(18+) and Ti~(19+)
     Sc~(18+)和Ti~(19+)的辐射跃迁几率
短句来源
     vg9/2-1 based on the analysis of the B(M1) and B(E2) transition probabilities.
     vg9/2-1的约化跃迁几率B(E2)和B(M1)研究A≈100核区可能的手征双重带.
     Energy levels and transition probabilities of the 3s~(21)S_0-3s3p~1P_1(Z=15~103) transitions for Mg like ions
     类镁离子3s~(21)S_0-3s3p~1P_1(Z=15~103)光谱跃迁的能级和跃迁几率的相对论多组态计算
短句来源
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  转移概率
     ε-REGENERATIVE PHENOMENA, p-α PAIRS AND MARKOV TRANSITION PROBABILITIES
     ε再生现象,p-a对与Markov转移概率
短句来源
     I analyze the relationships between transition probabilities and transition intensities by Markov and Semi-Markov models, and then discuss the estimation of transition intensities.
     通过Markov和Semi-Markov模型,分析了健康、疾病、死亡三状态间转移概率和转移强度之间的关系,并从实验的角度分析了对转移强度的估计方法。
短句来源
     A Strong Limit Theorem for the Harmonic Mean of the Random Transition Probabilities of Finite Nonhomogeneous Markov Chains
     有限非齐次马氏链随机转移概率调和平均的一个强极限定理
短句来源
     Character and Application of the State Transition Probabilities Matrix of a Group of Damage-dependent Targets
     相依目标群状态转移概率矩阵的特性及其应用
短句来源
     This paper shows the two theorems' proof is equivalent in the para-symmetry DMC capacity which the capacity of channel calculation put through transition probabilities were computed. The two theorems obtained correct result. But latter method of computation was simply and it has been convenient.
     本文针对准对称离散无记忆信道中,计算信道容量的两个定理给出等价证明,在准对称离散无记忆信道中,主要是通过给定转移概率p(yj/xi)一计算信道容量,这两个定理都能得到正确的结果,但是后一种计算方法简单,给这种信道容量计算带来方便.
短句来源
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  跃迁概率
     The transition probabilities for the intercombination lines of 2s 22p3s 3P 1—2s 22p 2 1D 2 and 2s 22p3s 1P 1—2s 22p 2 3P 0,1,2 in NII have been calculated by using a large scale multi configuration Dirac Fock method. In the calculation the most important effects of relativity, correlation, and relaxation are considered.
     用多组态Dirac Fock方法 ,并系统考虑相对论效应、电子关联、弛豫效应等重要贡献 ,计算了NII离子 2s2 2p3s3P1 — 2s2 2p2 1 D2 和 2s2 2p3s1 P1 — 2s2 2p2 3P0 ,1 ,2 自旋禁戒跃迁概率和振子强度 .
短句来源
     The absorption spectra were fitted by J-O theory, and the intensity parameters Ω_t=(2, 4, 6) were found to be 6.81×10 -20, 4.43×10 -20, and 2.58×10 -20 cm2, respectively, then the relative intensity of spectral lines of every energy level transition, radiative transition probabilities, radiative lifetimes, and fluorescence branching ratio were calculated.
     根据JuddOfelt理论对吸收光谱进行了拟合,求得Sm3+离子的晶场调节参数Ωt=(2,4,6)分别为6.81×10-20,4.43×10-20和2.58×10-20cm2,并进一步计算出各能级跃迁的谱线强度、自发辐射跃迁概率、辐射寿命和荧光分支比等光谱参数。
短句来源
     THEORETICAL ELECTRIC QUADRUPOLE ENERGY LEVELS AND TRANSITION PROBABILITIES FOR THE LOWEST ~1D METASTABLE STATE IN Be,Mg AND Ca
     Be,Mg和Ca原子电四极矩E2~1D—~1S跃迁的能级和跃迁概率
短句来源
     The energy spectra and E2 transition probabilities of three-boson nuclei 46Tiand 54 Cr are studied by using the configuration mixing wave function in sdgIBM1and the boson surface delta interaction.
     用玻色子组态混合波函数和玻色子表面δ相互作用研究了三玻色子核46Ti和54Cr的sdgIBMI的能谱和E2跃迁概率,理论计算结果令人满意,比sdIBMI能拟合出更多的能级和E2跃迁概率,而且它们的误差更小。
短句来源
     Transition probabilities have been calculated for transitions between the levels of 2p 2,2s2p 3,2p3s,2p3p and 2p3d configurations of NII. Large scale multiconfiguration Dirac Fock wave functions are applied to include the most important effects of relativity,correlation,and rearrangement of the electron density within the same (computational)model.
     用相对论多组态Dirac Fock方法 ,系统地计算了与闪电过程有关的NII离子 2p2 ,2s2p3 ,2p3s,2p3p ,2p3d组态能级之间的辐射跃迁概率 ,并由此推算出这些组态的 35个能级的寿命 .
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  “transition probabilities”译为未确定词的双语例句
     Study of Transition Probabilities in Transition In Li-Like Ions of Sc, Fe, Ni and Se
     Study of Transition Probabilities in Transition In Li-Like Ions of Sc,Fe,Ni and Se
短句来源
     A scheme of sdd′ interacting Bosons model is applied to calculate all 1 + states energy levels, B(M1) transition probabilities and B(M1) decay branching ratios of 1 + states in 168 Er.
     利用前期提出的sdd′玻色子相互作用模型的理论方案描述转动核168Er低能激发谱中的全部 1+ 态 ,计算168Er能谱中 1+ 态到基态的B(M1)跃迁值以及 1+ 态的B(M1)跃迁分支比 .
短句来源
     The forbidden transition probabilities have been calculated for the 2p3d -2p 2 and 2p3d-2p3p(ΔL=±2, ΔS=±1) spectra of N II by using a large-scale multiconfiguration Dirac-Fock (MCDF) method.
     用多组态Dirac Fock方法 ,系统考虑了相对论效应、电子关联、延迟效应等重要贡献 ,计算了NII离子 2p3d— 2p2 以及 2p3d— 2p3p (ΔL =± 2 ,ΔS =± 1)禁戒跃迁的几率 .
短句来源
     From the results and previously study for 4s24p3 canfigura-tion along As I sequence, calculations of transition probabilities are also reported for 4s24p3-4s4p4 transition in the ions.
     结合前人对4s~24p~3组态的研究结果,进一步计算了4s~24p~3—4s4p~4跃迁的谱线波长和振子强度。
短句来源
     Optical Transition Probabilities of Pr~(3+) in Noncrystalline ZBLAN
     ZBLAN-Pr非晶中Pr~(3+)离子光谱参量的测量与计算
短句来源
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  transition probabilities
Main characteristics of this process such as the transition probabilities, infinitesimal generator, and so on were established.
      
Their transition probabilities, martingale representations in forward and backward time, the stochastic measures they generate are studied.
      
Transition probabilities of the stochastic model are chosen in accordance with the rates of the developed point model.
      
A nonhomogeneous random walk on the grid ?1 with transition probabilities that differ from those of a certain homogeneous random walk only at a finite number of points is considered.
      
The transition probabilities of such a random walk from a pointx εG (whereG is the group in question) are described by a vectorp(x) ε ?|W| (whereW ?G is fixed and |W|>amp;lt;∞).
      
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In the present paper, the non-axially-symmetric rotational motion of the odd-A nucleus is treated under the adiabatic condition. The relationship between the non-axial and axial rotation is pointed out. The spectra of Mg25 and Al25 have been analysed in detail. The agreement with experiment is fair. The ground state magnetic moments and reduced E2 transition probabilities between some low-lying states are also calculated.

本文在绝热近似下,探讨了奇A核非轴对称轉动的一般规律及其与轴对称轉动的关系,并应用所得结果仔细分析了Mg~(25)和Al~(25)的能谱,到了较好的结果。基态磁矩的结果也很符合实验,我们也还计算了某些低能级之间的E2跃迁几率及分支比。

A new approximate method for treating nn and pp pairing force in nuclei is presented. In this method the difficulties connected with the application of BCS-Bogolubov method to nuclei such as the non-conservation of the number of particles, the apperance of spurious states, and non-orthogonality between wave functions of different excited states are avoided. But the method can be conviently adopted only when the number of particles n and the number of levels Ω considered are small (n ≤10, Ω≤10 ). Also the approximation...

A new approximate method for treating nn and pp pairing force in nuclei is presented. In this method the difficulties connected with the application of BCS-Bogolubov method to nuclei such as the non-conservation of the number of particles, the apperance of spurious states, and non-orthogonality between wave functions of different excited states are avoided. But the method can be conviently adopted only when the number of particles n and the number of levels Ω considered are small (n ≤10, Ω≤10 ). Also the approximation of this method is good onlv under such conditions. In this method the many-body nature of the excitation is displayed explicitly without introducing the conception of quasi-particles. The excitation of the system can be divided into two classes. The first class of excitation is a kind of single particle excitation embedded in a many-body system under the action of the pairing force. This would correspond to the excitation of a single quasi-particle a_v~+av0 or to two quasi-particle excitation of the type α_v~+β_(v')~+,α_v~+α_v'~+(v'±v) etc. in the BCS-Bogolubov method. The second class of excitation is a pair excitation in which the distribution of the conjugated pairs of particles among the levels is altered. This type of excitation would correspond to superposition of quasi-particle excitations of the type α_v~+β_v~+,α_v~+β_v~+α_μ~+β_μ~+, Also examined is the effect of pairing force on the β- and γ-transition probability in the new formalism. In general, β-transition is retarded by the pairing force while in γ-transition the effect of pairing force varies according to the nature of the relative excitation between the initial and final states. When the relative excitation is of the first class, the transition is retarded to various extent, depending on the nature of the γ-transition. If the relative excitation is of the second class, the transition is forbidden when the pairing force is not in action, and is allowed only for electric transition arising from the charge-current distribution when the pairing force is present. Finally this method is applied to investigate the effect of pairing force on the intrinsic spectra and β-transition in 72Hf178 as an example.

本文提出了一个处理原子核中nn及pp对力的近似方法。这个方法避免了通常将方法应用于原子核所引起的困难,例如粒子数不守恒,假态的出现以及不同激发态波函数不正交等。但这个方法只有在所需考虑的粒子数n及能级数Ω不太大时(n≤10,Ω≤10)才能较方便地被应用,近似程度才比较好。在这个方法中,毋须引入准粒子的概念,激发的多体性质被明显地表示出来。系统的激发可分为两大类型。第一类型激发是一种以多体系为背景的单粒子跃迁,相应于一个准粒子的跃迁α_ν~+α_ν,或两个准粒子的激发α_v~+β_v′~+,α_v~+α_v′~+(vv′)。第二类型激发是对激发,在这种激发中,各能级上共轭粒子对的填充几率改变了,相应于共轭的准粒子对的激发α_v~+β_v~+,α_v~+β_v~+α_μ~+β_μ~+,…. 本文还考察了对力在r及β跃迁中的影响。在β跃迁中,对力一般是使跃迁受阻。在r跃迁中,对力的效应随初末态间的相对激发类型不同而异,如相对激发属于第一类型,则跃迁受阻,受阻程度随跃迁的电磁性质不同而有所差别,如相对跃迁属于第二类型,则在无对力作用时跃迁是禁戒的,在对力作用下也只有由电荷电流所产生的电跃迁是允许的。 最后本文以Hf~...

本文提出了一个处理原子核中nn及pp对力的近似方法。这个方法避免了通常将方法应用于原子核所引起的困难,例如粒子数不守恒,假态的出现以及不同激发态波函数不正交等。但这个方法只有在所需考虑的粒子数n及能级数Ω不太大时(n≤10,Ω≤10)才能较方便地被应用,近似程度才比较好。在这个方法中,毋须引入准粒子的概念,激发的多体性质被明显地表示出来。系统的激发可分为两大类型。第一类型激发是一种以多体系为背景的单粒子跃迁,相应于一个准粒子的跃迁α_ν~+α_ν,或两个准粒子的激发α_v~+β_v′~+,α_v~+α_v′~+(vv′)。第二类型激发是对激发,在这种激发中,各能级上共轭粒子对的填充几率改变了,相应于共轭的准粒子对的激发α_v~+β_v~+,α_v~+β_v~+α_μ~+β_μ~+,…. 本文还考察了对力在r及β跃迁中的影响。在β跃迁中,对力一般是使跃迁受阻。在r跃迁中,对力的效应随初末态间的相对激发类型不同而异,如相对激发属于第一类型,则跃迁受阻,受阻程度随跃迁的电磁性质不同而有所差别,如相对跃迁属于第二类型,则在无对力作用时跃迁是禁戒的,在对力作用下也只有由电荷电流所产生的电跃迁是允许的。 最后本文以Hf~(178)为例,应用上述方法,初步分析了对力对偶偶核的内部激发能谱及β衰变的影响。

The even parity states of O16 are treated by taking into account the configuration of 2 hω excitation in the L-S coupling scheme and using the δ-interaction of the Wigner type. An approximate method is suggested and the 0+, 2+, 4+, states are solved. Rigorous solutions of the wave functions are obtained as well and compared with the approximate solutions. It is found that they are very close to each other. By using these approximate wave functions the monopole and E2 transition probabilities are calculated,...

The even parity states of O16 are treated by taking into account the configuration of 2 hω excitation in the L-S coupling scheme and using the δ-interaction of the Wigner type. An approximate method is suggested and the 0+, 2+, 4+, states are solved. Rigorous solutions of the wave functions are obtained as well and compared with the approximate solutions. It is found that they are very close to each other. By using these approximate wave functions the monopole and E2 transition probabilities are calculated, and the results are in nice agreement with experiment, but do not show agreement for the energy level spacings.

本文在L-S耦合近似下,并且限于讨论2ω激发的组态,用δ相互作用严格求解了0~+,2~+及4~+态。同时提出一种近似解的办法。即根据粒子的相干效应,可以近似地将双粒子双空穴的结构选为两个粒子相干和两个空穴相干的态。近似解的结果与严格解符合很好。在解释实验上,能量符合得不够好,但在解释O-0跃迁和E2跃迁上却相当成功。

 
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