Complementary TDCS for the photo-double ionization of He at 40 eV above the threshold in unequal energy-sharing conditions

P. Bolognesi; R. Camilloni; M. Coreno; G. Turri; J. Berakdar; A. S. Kheifets; L. Avaldi

doi:10.1088/0953-4075/34/15/321

Complementary TDCS for the photo-double ionization of He at 40 eV above the threshold in unequal energy-sharing conditions

P. Bolognesi^*, R. Camilloni, M. Coreno, G. Turri, J. Berakdar, A. S. Kheifets, L. Avaldi

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Photo-double ionization (PDI) of helium at 40 eV above the threshold has been studied for unequal energy sharing in the complementary kinematics obtained in two measurements by the interchange of the kinetic energies of two photoelectrons. Triple differential cross sections (TDCS) of Helium excess energy were measured at unequal energy sharing for the complementary cases. TDCS measurements show that the excess energy of 40 eV the motion of the two photoelectrons was more correlated than expected solely on the basis of the measurements and calculations of the less-differential cross sections. This showed the transition form the highly correlated motion, threshold region to a completely uncorrelated one.

Original language	English
Pages (from-to)	3193-3203
Number of pages	11
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	34
Issue number	15
DOIs	https://doi.org/10.1088/0953-4075/34/15/321
Publication status	Published - 14 Aug 2001

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title = "Complementary TDCS for the photo-double ionization of He at 40 eV above the threshold in unequal energy-sharing conditions",

abstract = "Photo-double ionization (PDI) of helium at 40 eV above the threshold has been studied for unequal energy sharing in the complementary kinematics obtained in two measurements by the interchange of the kinetic energies of two photoelectrons. Triple differential cross sections (TDCS) of Helium excess energy were measured at unequal energy sharing for the complementary cases. TDCS measurements show that the excess energy of 40 eV the motion of the two photoelectrons was more correlated than expected solely on the basis of the measurements and calculations of the less-differential cross sections. This showed the transition form the highly correlated motion, threshold region to a completely uncorrelated one.",

author = "P. Bolognesi and R. Camilloni and M. Coreno and G. Turri and J. Berakdar and Kheifets, {A. S.} and L. Avaldi",

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T1 - Complementary TDCS for the photo-double ionization of He at 40 eV above the threshold in unequal energy-sharing conditions

AU - Bolognesi, P.

AU - Camilloni, R.

AU - Coreno, M.

AU - Turri, G.

AU - Berakdar, J.

AU - Kheifets, A. S.

AU - Avaldi, L.

PY - 2001/8/14

Y1 - 2001/8/14

N2 - Photo-double ionization (PDI) of helium at 40 eV above the threshold has been studied for unequal energy sharing in the complementary kinematics obtained in two measurements by the interchange of the kinetic energies of two photoelectrons. Triple differential cross sections (TDCS) of Helium excess energy were measured at unequal energy sharing for the complementary cases. TDCS measurements show that the excess energy of 40 eV the motion of the two photoelectrons was more correlated than expected solely on the basis of the measurements and calculations of the less-differential cross sections. This showed the transition form the highly correlated motion, threshold region to a completely uncorrelated one.

AB - Photo-double ionization (PDI) of helium at 40 eV above the threshold has been studied for unequal energy sharing in the complementary kinematics obtained in two measurements by the interchange of the kinetic energies of two photoelectrons. Triple differential cross sections (TDCS) of Helium excess energy were measured at unequal energy sharing for the complementary cases. TDCS measurements show that the excess energy of 40 eV the motion of the two photoelectrons was more correlated than expected solely on the basis of the measurements and calculations of the less-differential cross sections. This showed the transition form the highly correlated motion, threshold region to a completely uncorrelated one.

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VL - 34

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JO - Journal of Physics B: Atomic, Molecular and Optical Physics

JF - Journal of Physics B: Atomic, Molecular and Optical Physics

IS - 15

ER -

Complementary TDCS for the photo-double ionization of He at 40 eV above the threshold in unequal energy-sharing conditions

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