Relativistic effects in two-photon decay of quarkonium are investigated with a relativistic phenomenological approach.
考虑到各种相对论效应,唯象地研究了0-+和0++夸克偶素的双光子衰变。
MECHANISMS OF NEUTRINOLESS DOUBLE BETA DECAY AND THE MASS OF HEAVY NEUTRINO*
无中微子双β衰变的机制和重中微子的质量(英文)
decay radioisotope
β衰变放射性同位素 β
beta-plus decay radioisotope
正β衰变放射性同位素
beta-minus decay radioisotope
负β衰变放射性同位素
Half-lives are characteristic properties of the various unstable atomic nuclei and the particular way in which they decay. Alpha decay and Beta decay are generally slower processes than gamma decay.
半衰期是各种不稳定原子核的特性,是它们衰变的特殊方式。α衰变和β衰变一般比γ衰变为慢。
Probability of Atom β~+ Decay s Break though Coulomb Potential Barrier;
原子β~+衰变对Coulomb势垒的穿透概率
New law of β~--decay lives of nuclei far from stable-line
远离稳定线附近β~-衰变寿命的新规律
The radioactive transformation giving rise to these electrons was known as beta decay.
产生这种电子的放射性变化，称为β衰变。
radiation of beta particles during radioactive decay.
在放射性衰变的过程中放出β粒子的辐射。
The shape of the electron spectrum in beta decay is not dominated by properties of the matrix element.
β衰变的电子谱的形状不取决于矩阵元的性质。
Influence of Super-Strong Magnetic Field on Eigen Energy Level in Low-lying Energy Transition of β Decay
超强磁场对β衰变低能跃迁特征能级的影响
Spirallike Mappings of Type β and Linear Invariante Family of Biholomorphic Mappings
双全纯的β型螺形映照与线性不变族
Two photons are created in the decay of the neutral pion.
双光子是在中性兀介子衰变中产生的。
Exclusive Decay of P-wave Bottomonium into Double J/Ψ
P波底夸克偶素遍举衰变到双J/Ψ
Exclusive Decays B→K~(*)l~+l~- and the Top-quark Two-Higgs Doublet Model
遍举衰变B→K~(*)l~+l~-与top夸克双Higgs模型
Radioactive series: Any of four sets of unstable heavy atomic nuclei that undergo a series of alpha decay and Beta decay until a stable nucleus is achieved.
放射性系:四组不稳定的重原子核,通过一系列α衰变和β衰变直至达到稳定的核为止。
Let us very briefly rehearse one or two facts about nuclear beta decay.
让我们非常简要地复述一下有关该β衰变的一两件事实。
"beta particle:a high-speed electron or positron, especially one emitted in radioactive decay."
β粒子:一种高速电子或质子,主要在放射衰变中释放出。