Journalartikel

Jahr der Veröffentlichung: 2010

Zeitschrift: Journal of Physics B: Atomic, Molecular and Optical Physics

Bandnummer: 43

Heftnummer: 13

ISSN: 0953-4075

eISSN: 1361-6455

Open Access Status: Green

DOI Link: https://doi.org/10.1088/0953-4075/43/13/135602

Verlag: IOP Publishing

Abstract: 
Absolute cross sections for the K-shell photoionization of ground-state Li-like boron [B2+(1s(2)2s S-2)] ions were measured by employing the ion-photon merged-beams technique at the Advanced Light Source synchrotron radiation facility. The energy ranges 197.5-200.5 eV, and 201.9-202.1 eV of the [1s(2s2p)P-3]P-2(o) and [1s(2s2p)P-1] P-2(o) resonances, respectively, were investigated using resolving powers of up to 17 600. The energy range of the experiments was extended to about 238.2 eV yielding energies of the most prominent [1s(2l nl')] Po-2 resonances with an absolute accuracy of the order of 130 ppm. The natural linewidths of the [1s(2s2p)P-3] Po-2 and [1s(2s2p)P-1] P-2(o) resonances were measured to be 4.8 +/- 0.6meV and 29.7 +/- 2.5meV, respectively, which compare favourably with theoretical results of 4.40 meV and 30.53 meV determined using an intermediate-coupling R-matrix method.

Harvard-Zitierstil: Müller, A., Schippers, S., Phaneuf, R., Scully, S., Aguilar, A., Cisneros, C., et al. (2010) K-shell photoionization of ground-state Li-like boron ions [B2+]: experiment and theory, Journal of Physics B: Atomic, Molecular and Optical Physics, 43(13), Article 135602. https://doi.org/10.1088/0953-4075/43/13/135602

APA-Zitierstil: Müller, A., Schippers, S., Phaneuf, R., Scully, S., Aguilar, A., Cisneros, C., Gharaibeh, M., Schlachter, A., & McLaughlin, B. (2010). K-shell photoionization of ground-state Li-like boron ions [B2+]: experiment and theory. Journal of Physics B: Atomic, Molecular and Optical Physics. 43(13), Article 135602. https://doi.org/10.1088/0953-4075/43/13/135602