Feshbach resonances in D + HD(v = 1, j = 0) reaction at low collision energies,Journal of Computational Chemistry

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Feshbach resonances in D + HD(v = 1, j = 0) reaction at low collision energies
Journal of Computational Chemistry ( IF 3.4 ) Pub Date : 2021-10-06 , DOI: 10.1002/jcc.26763
Yuwen Bai ₁ , Bayaer Buren ₁ , Zijiang Yang ₁ , Boyi Zhou ₁ , Maodu Chen ₁

Affiliation

Feshbach resonances in D + HD(v = 1, j = 0) reaction are studied by using the time-independent quantum method. The integral cross section (ICS) results present three Feshbach resonance peaks, which are different from H + HD(v = 1, j = 0) reaction dominated by only one peak. These resonances are attributed to coupling with adiabatic effective potentials of D + HD(v = 1, j = 1) reaction, and the most obvious peak is contributed by J = 1 at 83.16 cm⁻¹ collision energy. For J = 0 and 2, the resonances are related with the same L partial wave and present a double-peak structure in total ICS. The characteristics of product angular distribution show that the resonance of J = 1 is long-lived, while the lifetimes are relatively shorter for the resonance of J = 0 and 2.

中文翻译：

低碰撞能量下 D + HD(v = 1, j = 0) 反应中的 Feshbach 共振

使用时间无关量子方法研究了D + HD( v = 1, j = 0) 反应中的Feshbach 共振。积分截面 (ICS) 结果呈现三个 Feshbach 共振峰，这与 H + HD( v = 1, j = 0) 反应不同，仅由一个峰主导。这些共振归因于与 D + HD( v = 1, j = 1) 反应的绝热有效电位耦合，最明显的峰值是由J = 1 在 83.16 cm ^-1碰撞能量处贡献的。对于J = 0 和 2，共振与相同的L 相关分波并在总 ICS 中呈现双峰结构。乘积角分布特征表明，J =1的谐振寿命较长，而J =0和2的谐振寿命相对较短。

更新日期：2021-11-15

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