Experimental verification of quadrupole-dipole interference in spin-resolved photoionization

Khalil T, Schmidtke B, Drescher M, Müller N, Heinzmann U (2002)
PHYSICAL REVIEW LETTERS 89(5).

Journal Article | Published | English

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Abstract
We have measured the spin polarization of Xe (4p)(-1) photoelectrons after ionization with circularly polarized light at photon energies close to the ionization threshold where a resonant enhancement of quadrupole transitions has recently been predicted. At a reaction angle of 90degrees a nonvanishing longitudinal spin polarization component of about 4% clearly indicates a quadrupole contribution to the photoexcitation. This is the first experimental evidence for the influence of nondipole transitions on the photoionization process at excitation energies much below 1 keV in an observable other than the intensity angular distribution.
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Khalil T, Schmidtke B, Drescher M, Müller N, Heinzmann U. Experimental verification of quadrupole-dipole interference in spin-resolved photoionization. PHYSICAL REVIEW LETTERS. 2002;89(5).
Khalil, T., Schmidtke, B., Drescher, M., Müller, N., & Heinzmann, U. (2002). Experimental verification of quadrupole-dipole interference in spin-resolved photoionization. PHYSICAL REVIEW LETTERS, 89(5).
Khalil, T., Schmidtke, B., Drescher, M., Müller, N., and Heinzmann, U. (2002). Experimental verification of quadrupole-dipole interference in spin-resolved photoionization. PHYSICAL REVIEW LETTERS 89.
Khalil, T., et al., 2002. Experimental verification of quadrupole-dipole interference in spin-resolved photoionization. PHYSICAL REVIEW LETTERS, 89(5).
T. Khalil, et al., “Experimental verification of quadrupole-dipole interference in spin-resolved photoionization”, PHYSICAL REVIEW LETTERS, vol. 89, 2002.
Khalil, T., Schmidtke, B., Drescher, M., Müller, N., Heinzmann, U.: Experimental verification of quadrupole-dipole interference in spin-resolved photoionization. PHYSICAL REVIEW LETTERS. 89, (2002).
Khalil, T, Schmidtke, B, Drescher, Markus, Müller, Norbert, and Heinzmann, Ulrich. “Experimental verification of quadrupole-dipole interference in spin-resolved photoionization”. PHYSICAL REVIEW LETTERS 89.5 (2002).
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Data provided by Europe PubMed Central.

Nondipole effects in photo-double-ionization of He by a vuv photon.
Istomin AY, Manakov NL, Meremianin AV, Starace AF., Phys. Rev. Lett. 92(6), 2004
PMID: 14995236

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