...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Probing Scattering Resonances in (Ultra)Cold Inelastic NO-He Collisions
【24h】

Probing Scattering Resonances in (Ultra)Cold Inelastic NO-He Collisions

机译：在（超）冷非弹性NO-He碰撞中探测散射共振

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

We theoretically study inelastic collisions between NO radicals and He atoms at low collision energies, focusing on the occurrence of scattering resonances. We specifically investigate de-excitation of rotationally excited NO radicals (X (2)Pi(1/2), v = 0, j = 3/2, f) at collision energies ranging from 10(-3) to 20 cm(-1) and compute integral and differential cross sections using quantum mechanical close-coupling calculations. Although unconventional, we show that the measurement of rotational de-excitation cross sections brings several advantages to experiments that aim to study rotational energy transfer at temperatures approaching zero kelvin. We analyze the nature and partial wave composition of the quasi bound states associated with each individual resonance and compute the scattering wave functions. The differential cross sections contain the partial wave fingerprints of the scattering process and are found to change drastically as the collision energy is varied over the resonances. The prospects for measuring these differential cross sections in inelastic de-excitation collisions at low energies are discussed.
机译：我们从理论上研究低碰撞能量下NO自由基与He原子之间的非弹性碰撞，重点是散射共振的发生。我们专门研究了在10（-3）到20 cm（-）的碰撞能量下旋转激发的NO自由基（X（2）Pi（1/2），v = 0，j = 3/2，f）的去激励1）并使用量子机械紧密耦合计算来计算积分和微分截面。尽管非常规，但我们证明了旋转去激励横截面的测量为旨在研究在接近零开尔文的温度下的旋转能量传递的实验带来了一些优势。我们分析与每个共振相关的准束缚态的性质和部分波组成，并计算散射波函数。微分横截面包含散射过程的部分波指纹，并且发现随着碰撞能量随共振的变化而急剧变化。讨论了在低能量下非弹性去激励碰撞中测量这些微分截面的前景。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号