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Title: Nonsequential two-photon absorption from the K shell in solid zirconium

Here, we report the observation of nonsequential two-photon absorption from the K shell of solid Zr (atomic number Z=40) using intense x-ray pulses from the Spring-8 Angstrom Compact Free-Electron Laser (SACLA). We determine the generalized nonlinear two-photon absorption cross section at the two-photon threshold in the range of 3.9–57 ×10 –60 cm 4s bounded by the estimated uncertainty in the absolute intensity. The lower limit is consistent with the prediction of 3.1 ×10 –60 cm 4s from the nonresonant Z –6 scaling for hydrogenic ions in the nonrelativistic, dipole limit.
Authors:
 [1] ;  [2] ;  [1] ;  [1] ;  [3] ;  [1] ;  [4] ;  [3] ;  [5]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Univ. of Nebraska - Lincoln, Lincoln, NE (United States)
  3. RIKEN SPring-8 Center, Hyogo (Japan)
  4. Bar IIan Univ., Ramat Gan (Israel)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
Publication Date:
Grant/Contract Number:
AC02-76SF00515
Type:
Accepted Manuscript
Journal Name:
Physical Review A
Additional Journal Information:
Journal Volume: 94; Journal Issue: 4; Journal ID: ISSN 2469-9926
Publisher:
American Physical Society (APS)
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS
OSTI Identifier:
1360176
Alternate Identifier(s):
OSTI ID: 1329504

Ghimire, Shambhu, Fuchs, Matthias, Hastings, Jerry, Herrmann, Sven C., Inubushi, Yuichi, Pines, Jack, Shwartz, Sharon, Yabashi, Makina, and Reis, David A.. Nonsequential two-photon absorption from the K shell in solid zirconium. United States: N. p., Web. doi:10.1103/PhysRevA.94.043418.
Ghimire, Shambhu, Fuchs, Matthias, Hastings, Jerry, Herrmann, Sven C., Inubushi, Yuichi, Pines, Jack, Shwartz, Sharon, Yabashi, Makina, & Reis, David A.. Nonsequential two-photon absorption from the K shell in solid zirconium. United States. doi:10.1103/PhysRevA.94.043418.
Ghimire, Shambhu, Fuchs, Matthias, Hastings, Jerry, Herrmann, Sven C., Inubushi, Yuichi, Pines, Jack, Shwartz, Sharon, Yabashi, Makina, and Reis, David A.. 2016. "Nonsequential two-photon absorption from the K shell in solid zirconium". United States. doi:10.1103/PhysRevA.94.043418. https://www.osti.gov/servlets/purl/1360176.
@article{osti_1360176,
title = {Nonsequential two-photon absorption from the K shell in solid zirconium},
author = {Ghimire, Shambhu and Fuchs, Matthias and Hastings, Jerry and Herrmann, Sven C. and Inubushi, Yuichi and Pines, Jack and Shwartz, Sharon and Yabashi, Makina and Reis, David A.},
abstractNote = {Here, we report the observation of nonsequential two-photon absorption from the K shell of solid Zr (atomic number Z=40) using intense x-ray pulses from the Spring-8 Angstrom Compact Free-Electron Laser (SACLA). We determine the generalized nonlinear two-photon absorption cross section at the two-photon threshold in the range of 3.9–57 ×10–60 cm4s bounded by the estimated uncertainty in the absolute intensity. The lower limit is consistent with the prediction of 3.1 ×10–60 cm4s from the nonresonant Z–6 scaling for hydrogenic ions in the nonrelativistic, dipole limit.},
doi = {10.1103/PhysRevA.94.043418},
journal = {Physical Review A},
number = 4,
volume = 94,
place = {United States},
year = {2016},
month = {10}
}