1) W-annihilation

W湮灭
1.
Starting from the low energy effective Hamiltonian for W-annihilation, we derive the effective Lagrangian for weak annihilation bremsstrahlung processes at the quark level and then apply it to the radiative weak annihilation decays B→D~ _ (s) γ.
从W湮灭的低能有效哈米顿出发,在夸克层次对弱湮灭辐射跃迁过程导出了有效拉格朗日,然后用于计算弱辐射湮灭过程B→D(*s)γ,并且与其他模型预测进行了对比,结果表明这些衰变道可在近期的B工厂和LHC上被探测到。
2) annihilation
[英][ə,naiə'leiʃən] [美][ə,naɪə'leʃən]

湮灭
1.
Aphenomenological NN annihilation optential is studied within this framework.

在Glauber多重散射理论近似下,采用泡里关联的核波函数,使用一种唯象的湮灭势,对180MeV的在12C上的弹性散射微分截面,极化角分布和自旋旋转参数进行了计算。
2.
We investigate physics s properties of positronium and the way of positron - electron annihilation.
探讨正电子偶素的物理性质以及正电子—电子对的湮灭方式。
3.
The differential cross section in elastic scattering of 180 MeV antiproton by 12 C and 16 O is calculated by means of Glauber s multiple scattering theory with antisymmetric wave function A phenomenological N annihilation potential is studied in this framework The results indicate that this N annihilation potential model is in line with the experimental dat
在 Glauber多重散射理论近似下 ,采用反对称核波函数 ,使用一种唯象的 NN湮灭势 ,对 180 Me V的 p在 1 2 C和 1 6O上的弹性散射微分截面进行了计算。
3) disappear
[英][,dɪsə'pɪə(r)] [美]['dɪsə'pɪr]

湮灭
1.
Three out of the four ancient human civilizations have already disappeared in the long history except the civilization of China .
人类四大古老文明中三种已湮灭在历史长河中 ,惟有古中华文明延续至今。
4) electron annihilation

电子湮灭
1.
The results indicated that the dye sensitized TiO_2 extended its absorption range into the visible-light region and occured the phenomenon of the electron annihilation by organic dye sensitized TiO_2.
实验表明有机染料敏化的二氧化钛纳米晶在可见光区有非常强的光谱响应,具有荧光的染料发生电子湮灭现象。
5) collision
[英][kə'lɪʒn] [美][kə'lɪʒən]

碰撞湮灭
1.
Numerical experimental study of collision-annihilate of pair of spiral waves in cardiac excitable media;
心肌可激媒质中一对螺旋波的碰撞湮灭的数值实验研究
6) annihilation operator

湮灭算子
1.
In this paper , the algebras SU(2) and SU(1,1) and the quantum algebras SU q(2) and SU q(1,1) are respectively realized by using only one pair of boson creation and annihilation operators a + and a,and one pair of q-boson creation and annihilation operators a + q and a q.
只用一对玻色子的产生和湮灭算子a+、a实现了SU( 2 )和SU( 1,1)代数 ;只用一对q玻色子的产生和湮灭算子a+q 、aq 实现了SU2 ( 2 )和SU2 ( 1,1)代数 。
补充资料:磁通湮灭(fluxannihilation)
磁通湮灭(fluxannihilation)
处于外磁场H中的硬超导体,当磁场逐渐从Hc2减小到零时,由于钉扎作用,一部分正向涡旋线未退出样品,有磁滞现象。磁场由H=0再反方向逐渐增大到Hc1,反向涡旋线开始进入样品。相邻的正向和反向涡旋线间相互吸引,若两者或其中之一脱离钉扎吸引到一起就相互抵消,这二根磁通线消失,称磁通湮灭。这情况也出现在不同数量的正、反涡旋线间,在磁化曲线的Hc1附近就有异常,已为实验所证实。磁通湮灭时磁能以热的形式释放出来,使样品局部升温而导致钉扎效应降低,进一步也会导致磁通蠕动。
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参考词条