TY - JOUR
T1 - Velocity imaging spectrometer for negative fragment ions
T2 - Application to dynamics of O2 and N2O ion-pair dissociation
AU - Hikosaka, Yasumasa
AU - Shigemasa, Eiji
N1 - Funding Information:
The authors thank Pascal Lablanquie for the critical reading of this manuscript. We are also grateful to the staff of the UVSOR for their excellent support and stable operation of the storage ring. This work has been supported by Grant-in-Aid for Scientific Research from JSPS.
PY - 2005/7
Y1 - 2005/7
N2 - A velocity imaging spectrometer has been developed to observe negative ions from molecular ion-pair dissociation. The imaging spectrometer is equipped with a pair of permanent magnets. The resulting magnetic field prevents efficiently the electrons from reaching the detector, without seriously affecting negative ions' trajectories. The performance of the imaging spectrometer is demonstrated by the observations of photoelectrons from O2 and He, and O - from O2. Application to ion-pair dissociation of O 2 and N2O is presented, and it proves that the present imaging method provides useful information on the assignments of superexcited states and on the dynamics of ion-pair dissociation.
AB - A velocity imaging spectrometer has been developed to observe negative ions from molecular ion-pair dissociation. The imaging spectrometer is equipped with a pair of permanent magnets. The resulting magnetic field prevents efficiently the electrons from reaching the detector, without seriously affecting negative ions' trajectories. The performance of the imaging spectrometer is demonstrated by the observations of photoelectrons from O2 and He, and O - from O2. Application to ion-pair dissociation of O 2 and N2O is presented, and it proves that the present imaging method provides useful information on the assignments of superexcited states and on the dynamics of ion-pair dissociation.
KW - Ion-pair dissociation
KW - Negative fragment ion
KW - Superexcited state
KW - Velocity imaging spectrometer
UR - http://www.scopus.com/inward/record.url?scp=18444407490&partnerID=8YFLogxK
U2 - 10.1016/j.elspec.2005.02.001
DO - 10.1016/j.elspec.2005.02.001
M3 - 学術論文
AN - SCOPUS:18444407490
SN - 0368-2048
VL - 148
SP - 5
EP - 10
JO - Journal of Electron Spectroscopy and Related Phenomena
JF - Journal of Electron Spectroscopy and Related Phenomena
IS - 1
ER -