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Articles by Nitish Pal
Phase control of interfering stimulated Raman pathways in the XUV regime
Abstract Coherent control uses interference between quantum pathways to enhance or suppress transitions to a target quantum state. In stimulated Raman excitation, such control can be achieved through interference between two indistinguishable pathways connecting the same initial and final states, with the relative phase between the pathways modulating the population transfer to the final state.
Beating Tunnel Vision: Near-Surface Velocity-Map Imaging
1. Introduction Click to copy section linkSection link copied! Scattering of gas-phase molecules at a solid or liquid interface is important in many chemical processes; e.g., respiration, catalysis, combustion, and aerosol chemistry. Given the importance of such processes, gaining a clear understanding of the chemical dynamics and mechanisms that occur is highly desirable.
Fragmentation dynamics of the doubly charged aniline: The source of kinetically excited CnH3+ ions
Fragmentation dynamics of the doubly charged aniline: The source of kinetically excited CnH3+ ions The goals of this work are the attempt to decipher if aniline dication can isomerize to picoline dication in a given astrochemical environment and if the dissociation of such dications could be a source of kinetically hot fragment ions, some of which could be of significance in the interstellar medium.
Frontispiece: Observation of the Low‐Frequency Spectrum of the Water Trimer as a Sensitive Test of the Water‐Trimer Potential and the Dipole‐Moment Surface
Frontispiece Prof. Martina Havenith Corresponding Author E-mail address: martina.havenith@rub.de http://orcid.org/0000-0001-8475-5037 Physical Chemistry II, Department of Chemistry and Biochemistry, Ruhr-Universität Bochum, Bochum, Germany Search for more papers by this author Abstract Water Clusters In their Research Article on page 11399, M. Havenith et al. report the first comprehensive spectrum of the water trimer in the frequency region from 70 to 620 cm−1.
Acid solvation versus dissociation at “stardust conditions”: Reaction sequence matters
Abstract Chemical reactions at ultralow temperatures are of fundamental importance to primordial molecular evolution as it occurs on icy mantles of dust nanoparticles or on ultracold water clusters in dense interstellar clouds. As we show, studying reactions in a stepwise manner in ultracold helium nanodroplets by mass-selective infrared (IR) spectroscopy provides an avenue to mimic these “stardust conditions” in the laboratory.
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