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第10巻 (1989) >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10087/1965

Title: Accidental Preionization of the 7pπ ^1Π_u (V'=1, J=1) State Perturbed by the 5pπ D"^1Π_u (V'=2, J=1) State of H_2
Other Titles: H_2のD"準位による摂動を受けた7pπ準位の偶発的前期イオン化現象
Authors: Takezawa, Sanzo
Keywords: H_2
Preionization
Perturbation
5pπ D"
7pπ
Issue Date: 31-Mar-1990
Publisher: 群馬大学医療技術短期大学部
Citation: 群馬大学医療技術短期大学部紀要. 10, 111-120 (1990)
Abstract: The rotational lines of the 7pπ -X(1,0), 5pπ D"-X(2,0) and 4pσ B"-X(4,0) bands are reexamined; all these bands have been observed near its ionization threshhold at 803.7 A. The previously observed photoionization peak near the R(0) line of B"-X(4,0) band, 124 354.8cm^<-1> has been 2.7cm^<-1> less to be assigned as the Q(1) line of 7pπ -X(1,0); the J=1 level, 124 473.3cm^<-1>, is below the autoionizing level, 124 476.0cm^<-1> (H_2^+, v=0, J=1). This problem is interpreted without contradiction in terms of an accidental preionization, namely by interaction with the autoionized levels of D"(v=2). The accidental preionization analogzes to accidental predissociation. Also, it is noticed that the perturbation is preferable to assert the anormalous quantum defects of the Q (1) lines in 7pπ -X(1,0). The present caluculation under the assumption of the perturbation suggests the autoinization rate of the 7pπ state having the similar order to that of the 5pπ D" state.
URI: http://hdl.handle.net/10087/1965
ISSN: 0389-7540
Appears in Collections:第10巻 (1989)

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