Three-step excitation of the 6p(3/2)ns, nd, ng autoionizing Rydberg levels via the 6p6f 1/2[5/2](2) level of lead

被引：1

作者：

Bhatti, SA ^{[1
]}

Nawaz, M ^{[1
]}

Farooqi, SM ^{[1
]}

Ahad, A ^{[1
]}

Butt, S ^{[1
]}

Ahmad, N ^{[1
]}

Baig, MA ^{[1
]}

机构：

[1] QUAID I AZAM UNIV,DEPT PHYS,ATOM & MOL PHYS LAB,ISLAMABAD 45320,PAKISTAN

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1997年 / 30卷 / 19期

关键词：

D O I：

10.1088/0953-4075/30/19/010

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

New spectra of lead consisting of the autoionizing Rydberg energy region excited via the 6p6f 1/2[5/2](2) level is presented. Fifty levels along with their FWHM widths are reported. Eleven levels of the 6p(3/2)ng (6 less than or equal to n less than or equal to 12) configuration have been reported for the first time. Besides two unassigned levels with effective quantum number 8.446 and 10.86, five new levels of the 6p(3/2)9d configuration have been observed. An unexplained phenomenon is observed where the 6pns 3/2[3/2](2) levels for n > 14 do not show up via the 6p6f (1/2)[5/2](2) route in contrast to the fact they are observed as strong resonances when excited via other similar routes, namely, 6p7p 3/2[5/2](2), 6p8f 1/2[5/2](2) and 6p7f (1/2)[(5/2)](2) levels.

引用

页码：4183 / 4191

页数：9

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