Magnetic Hyperfine Structure and Zeeman Effect of the J=1, K-1=1 Transition of H2CO

摘要: The hyperfine structure and the Zeeman effect in 1 10 →1 11 transition of H 2 CO has been studied with a high resolution beam maser spectrometer. frequency most intense F =2→ '=2 component was measured to be 4829.649±0.0005 MHz. Theory magnetic interaction presence external static field developed analyze experimental result. spin-rotation constants proton nuclei were determined as C x =-5.0±1.5 KHz, y =4.2±1.5 KHz z =-5.3±0.2 KHz. rotational g -factors also obtained G =-0.14±0.03, =-2.90±0.05 | - |<0.036.