Publications by authors named "Daniel Keefer"

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Tracing Long-Lived Atomic Coherences Generated via Molecular Conical Intersections.
Patrick Rupprecht, Francesco Montorsi, Lei Xu, Nicolette G Puskar, Marco Garavelli, Daniel Keefer

Phys Rev Lett· December 2025

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Coherent Ultrafast Stimulated X-Ray Raman Spectroscopy of Dissipative Conical Intersections.
Florian Otterpohl, Daniel Keefer, Shaul Mukamel, Michael Thorwart

Phys Rev Lett· August 2024

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JCTC Early Career Board Selects.
Hugh G A Burton, Sijia S Dong, Soumen Ghosh, Bing Gu, Nicholas E Jackson, Daniel Keefer

J Chem Theory Comput· July 2024

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Water Solvent Reorganization upon Ultrafast Resonant Stimulated X-ray Raman Excitation of a Metalloporphyrin Dimer.
Mayank Dodia, Jérémy R Rouxel, Daeheum Cho, Yu Zhang, Daniel Keefer

J Chem Theory Comput· May 2024

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Ultrafast photochemistry and electron-diffraction spectra in n → (3s) Rydberg excited cyclobutanone resolved at the multireference perturbative level.
V K Jaiswal, F Montorsi, F Aleotti, F Segatta, Daniel Keefer

J Chem Phys· April 2024

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Attosecond Monitoring of Nonadiabatic Molecular Dynamics by Transient X-ray Transmission Spectroscopy.
Stefano M Cavaletto, Yeonsig Nam, Jérémy R Rouxel, Daniel Keefer, Haiwang Yong

J Chem Theory Comput· April 2023

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Ultrafast X-Ray Probes of Elementary Molecular Events.
Daniel Keefer, Stefano M Cavaletto, Jérémy R Rouxel, Marco Garavelli, Haiwang Yong

Annu Rev Phys Chem· April 2023

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Monitoring vibronic coherences and molecular aromaticity in photoexcited cyclooctatetraene with an X-ray probe: a simulation study.
Yeonsig Nam, Huajing Song, Victor M Freixas, Daniel Keefer, Sebastian Fernandez-Alberti

Chem Sci· March 2023

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Novel Ultrafast Molecular Imaging Based on the Combination of X-ray and Electron Diffraction.
Haiwang Yong, Daniel Keefer, Shaul Mukamel

J Phys Chem A· January 2023

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Time-Evolving Chirality Loss in Molecular Photodissociation Monitored by X-ray Circular Dichroism Spectroscopy.
Yeonsig Nam, Daeheum Cho, Bing Gu, Jérémy R Rouxel, Daniel Keefer

J Am Chem Soc· November 2022

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Sub-optical-cycle light-matter energy transfer in molecular vibrational spectroscopy.
Martin T Peschel, Maximilian Högner, Theresa Buberl, Daniel Keefer, Regina de Vivie-Riedle

Nat Commun· October 2022

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Direct Monitoring of Conical Intersection Passage via Electronic Coherences in Twisted X-Ray Diffraction.
Haiwang Yong, Jérémy R Rouxel, Daniel Keefer, Shaul Mukamel

Phys Rev Lett· September 2022

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Ultrafast coherent photoexcited dynamics in a trimeric dendrimer probed by X-ray stimulated-Raman signals.
Victor M Freixas, Daniel Keefer, Sergei Tretiak, Sebastian Fernandez-Alberti, Shaul Mukamel

Chem Sci· June 2022

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Imaging Purely Nuclear Quantum Dynamics in Molecules by Combined X-ray and Electron Diffraction.
Haiwang Yong, Daniel Keefer, Shaul Mukamel

J Am Chem Soc· May 2022

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Time-Resolved Optical Pump-Resonant X-ray Probe Spectroscopy of 4-Thiouracil: A Simulation Study.
Yeonsig Nam, Francesco Montorsi, Daniel Keefer, Stefano M Cavaletto, Jin Yong Lee

J Chem Theory Comput· May 2022

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Sensing ultrashort electronic coherent beating at conical intersections by single-electron pulses.
Shahaf Asban, Daniel Keefer, Vladimir Y Chernyak, Shaul Mukamel

Proc Natl Acad Sci U S A· May 2022

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Electronic coherences in nonadiabatic molecular photophysics revealed by time-resolved photoelectron spectroscopy.
Stefano M Cavaletto, Daniel Keefer, Shaul Mukamel

Proc Natl Acad Sci U S A· March 2022

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Coupled Electronic and Nuclear Motions during Azobenzene Photoisomerization Monitored by Ultrafast Electron Diffraction.
Jérémy R Rouxel, Daniel Keefer, Flavia Aleotti, Artur Nenov, Marco Garavelli

J Chem Theory Comput· February 2022

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Wave Packet Control and Simulation Protocol for Entangled Two-Photon Absorption of Molecules.
Bing Gu, Daniel Keefer, Shaul Mukamel

J Chem Theory Comput· January 2022

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Conical Intersection Passages of Molecules Probed by X-ray Diffraction and Stimulated Raman Spectroscopy.
Yeonsig Nam, Daniel Keefer, Artur Nenov, Irene Conti, Flavia Aleotti

J Phys Chem Lett· December 2021

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Photoisomerization transition state manipulation by entangled two-photon absorption.
Bing Gu, Daniel Keefer, Flavia Aleotti, Artur Nenov, Marco Garavelli

Proc Natl Acad Sci U S A· November 2021

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Diffractive Imaging of Conical Intersections Amplified by Resonant Infrared Fields.
Daniel Keefer, Jérémy R Rouxel, Flavia Aleotti, Francesco Segatta, Marco Garavelli

J Am Chem Soc· September 2021

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Nonadiabatic Molecular Dynamics Study of the Relaxation Pathways of Photoexcited Cyclooctatetraene.
Huajing Song, Yeonsig Nam, Daniel Keefer, Marco Garavelli, Shaul Mukamel

J Phys Chem Lett· June 2021

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Monitoring molecular vibronic coherences in a bichromophoric molecule by ultrafast X-ray spectroscopy.
Daniel Keefer, Victor M Freixas, Huajing Song, Sergei Tretiak, Sebastian Fernandez-Alberti

Chem Sci· February 2021

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Regio- and diastereoselective reactions of chiral secondary alkylcopper reagents with propargylic phosphates: preparation of chiral allenes.
Juri Skotnitzki, Alexander Kremsmair, Daniel Keefer, Franziska Schüppel, Brieuc Le Cacher de Bonneville

Chem Sci· May 2020

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