Understanding processes induced by XUV excitation of Polycyclic Aromatic Hydrocarbons (PAHs) is at the heart of molecular astrophysics, which aims at understanding molecular evolution in... Show moreUnderstanding processes induced by XUV excitation of Polycyclic Aromatic Hydrocarbons (PAHs) is at the heart of molecular astrophysics, which aims at understanding molecular evolution in interstellar media. We used ultrashort XUV pulses to produce highly excited PAHs cations. The photo-induced dynamics is probed using a pump-probe XUV-IR spectroscopy. By studying PAH from small (naphthalene) to large (hexabenzocoronene) PAHs, we show that the dynamic is governed by the large density of states, in which many-body quantum effects are dominant. Show less
Kajda, K.; Marciniak, A.; Pawleta, M.; Dries, M.H. van den; Boom, K.H.J.; Guermandi, M.P.; ... ; Issa, M. 2017
This article presents the key results of a major survey carried out by the NEARCH project on the public perception of archaeology and heritage across Europe. The analysis focuses on three main... Show moreThis article presents the key results of a major survey carried out by the NEARCH project on the public perception of archaeology and heritage across Europe. The analysis focuses on three main points of significance for contemporary archaeological practice. The first is the image of archaeology and its definition in the perception of the general public. The second concerns the values that archaeology represents for the public. The third focuses on the social expectations placed on archaeologists and archaeology. The NEARCH survey clearly indicates that there is a significant public expectation by Europeans that archaeology should work comprehensively across a broad range of areas, and that cultural heritage management in general needs to engage more with different archaeological and heritage groups. Show less
