pseudorapidity
英
美
- PSE n.工程辅助设备
- PSEA abbr.=PhysicalSecurityEquipmentAgency安全设备供应局;PennsylvaniaStateEducationAssociation宾夕法尼亚州教育协会
- pseadopneumonia [医]假肺炎
- psec n.微微秒
- PSECT n.程序段
Noun:
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A measure of the velocity of a particle relative to that of a beam of particles, approximated by a function of its angle