6 Result(s)

Article

Hormonal Changes During Nutritional Intervention in Venezuelan Children with Severe Malnutrition 490

O Suarez, S Barbella, M Diaz, M Pepe, A Navas, C Callegari in Pediatric Research (1998)

Article

Collective Autoionization in Multiply-Excited Systems: A novel ionization process observed in Helium Nanodroplets

Free electron lasers (FELs) offer the unprecedented capability to study reaction dynamics and image the structure of complex systems. When multiple photons are absorbed in complex systems, a plasma-like state ...

A. C. LaForge, M. Drabbels, N. B. Brauer, M. Coreno, M. Devetta… in Scientific Reports (2014)

Article

Interatomic Coulombic decay cascades in multiply excited neon clusters

In high-intensity laser light, matter can be ionized by direct multiphoton absorption even at photon energies below the ionization threshold. However on tuning the laser to the lowest resonant transition, the ...

K. Nagaya, D. Iablonskyi, N. V. Golubev, K. Matsunami, H. Fukuzawa… in Nature Communications (2016)

Article

Acetylacetone photodynamics at a seeded free-electron laser

The first steps in photochemical processes, such as photosynthesis or animal vision, involve changes in electronic and geometric structure on extremely short time scales. Time-resolved photoelectron spectrosco...

R. J. Squibb, M. Sapunar, A. Ponzi, R. Richter, A. Kivimäki… in Nature Communications (2018)

Article

Symmetry breakdown of electron emission in extreme ultraviolet photoionization of argon

Short wavelength free-electron lasers (FELs), providing pulses of ultrahigh photon intensity, have revolutionized spectroscopy on ionic targets. Their exceptional photon flux enables multiple photon absorption...

M. Ilchen, G. Hartmann, E. V. Gryzlova, A. Achner, E. Allaria… in Nature Communications (2018)

Article

Ultrafast relaxation of photoexcited superfluid He nanodroplets

The relaxation of photoexcited nanosystems is a fundamental process of light–matter interaction. Depending on the couplings of the internal degrees of freedom, relaxation can be ultrafast, converting electroni...

M. Mudrich, A. C. LaForge, A. Ciavardini, P. O’Keeffe… in Nature Communications (2020)