Publications associées à Émission gamma induite

Electromagnetic processes of nuclear excitation: from direct photoabsorption to free electron and muon capture

In the vast expanse of the Universe and on our planet, nuclei exist in a state of excitement. These excited nuclear states (isomers) can persist for varying periods, from fractions of a second to billions of years and beyond, before decaying to their groun ...

EPFL2023

Dynamical Control of Nuclear Isomer Depletion via Electron Vortex Beams

Fabrizio Carbone, Simone Gargiulo

Some nuclear isomers are known to store a large amount of energy over long periods of time, with a very high energy-to-mass ratio. Here, we describe a protocol to achieve the external control of the isomeric nuclear decay by using electron vortex beams who ...

AMER PHYSICAL SOC2022

Identifying Mixtures of Isomeric Human Milk Oligosaccharides by the Decomposition of IR Spectral Fingerprints

Thomas Rizzo, Ahmed Ben Faleh, Stephan Warnke, Ali H Abikhodr, Vasyl Yatsyna

The analysis of glycans presents a significant challenge that arises from their isomeric heterogeneity. While high-resolution ion mobility spectrometry (IMS) has shown the ability to resolve subtly different glycan isomers, their unambiguous assignment rem ...

2021

Amplitude analysis for the measurement of the photon polarisation in B rightarrow K pi pi gamma decays

Violaine Bellée

This work proposes a method to measure the photon polarisation in

B^+ \rightarrow K^+ \pi^- \pi^+ \gamma

decays and prepares the necessary elements for this measurement using the data sets collected by the LHCb experiment at CERN in

2011

,

2012

, $2016 ...

EPFL2020

Design and Simulation of Gamma Spectrometry Experiments in the CROCUS Reactor

Andreas Pautz, Vincent Pierre Lamirand, Mathieu Hursin, Oskari Ville Pakari, Fanny Vitullo

Gamma rays in nuclear reactors, arising either from fission or decay processes, significantly contribute to the heating and dose of the reactor components. Zero power research reactors offer the possibility to measure gamma rays in a purely neutronic envir ...

E D P SCIENCES2020

Searches for the Anomalous Photon Polarisation in Radiative B Decays at LHCb

Zhirui Xu

This thesis is exploring the measurements of the photon polarisation in radiative

B

decays at LHCb, which are mediated through

b\to s\gamma

transitions. To ensure optimal physics performance, procedures to align the LHCb detector and to monitor the ali ...

EPFL2016

Determination of the molecular structure of the short-lived light-induced high-spin state in the spin-crossover compound [Fe(6-mepy)(3)tren](PF6)(2)

Philip Pattison, Pradip Chakraborty, Antoine Tissot

In the spin-crossover compound Fe(6-mepy)(3)tren(2), (6-mepy)(3)tren=tris{4-[(6-methyl)-2-pyridyl]-3-aza-butenyl}amine, the high-spin state can be populated as a metastable state below the thermal transition temperature via irradiation into the meta ...

Amer Physical Soc2013

Extreme Tuning of Redox and Optical Properties of Cationic Cyclometalated Iridium(III) Isocyanide Complexes

Michael Graetzel, Mohammad Khaja Nazeeruddin, Rosario Scopelliti

We report seven heteroleptic cationic iridium(III) complexes with cyclometalating N-arylazoles and alkyl/aryl isocyanides, ((CN)-N-boolean AND)(2)Ir(CNR)(2), and characterize two of them by crystal structure analysis. The complexes are air- and m ...

American Chemical Society2013

Electron Cyclotron Heating and Suprathermal Electron Dynamics in the TCV Tokamak

Silvano Gnesin

This thesis is concerned with the physics of suprathermal electrons in thermonuclear, magnetically confined plasmas. Under a variety of conditions, in laboratory as well as space plasmas, the electron velocity distribution function is not in thermodynamic ...

EPFL2011

Biochemistry of Microbial Degradation of Hexachlorocyclohexane and Prospects for Bioremediation

Christof Holliger, Vishakha Raina

Lindane, the gamma-isomer of hexachlorocyclohexane (HCH), is a potent insecticide. Purified lindane or unpurified mixtures of this and alpha-, beta-, and gamma- isomers of HCH were widely used as commercial insecticides in the last half of the 20th century ...

2010

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Electromagnetic processes of nuclear excitation: from direct photoabsorption to free electron and muon capture

Dynamical Control of Nuclear Isomer Depletion via Electron Vortex Beams

Identifying Mixtures of Isomeric Human Milk Oligosaccharides by the Decomposition of IR Spectral Fingerprints

Amplitude analysis for the measurement of the photon polarisation in B rightarrow K pi pi gamma decays

Design and Simulation of Gamma Spectrometry Experiments in the CROCUS Reactor

Searches for the Anomalous Photon Polarisation in Radiative B Decays at LHCb

Determination of the molecular structure of the short-lived light-induced high-spin state in the spin-crossover compound [Fe(6-mepy)(3)tren](PF6)(2)

Extreme Tuning of Redox and Optical Properties of Cationic Cyclometalated Iridium(III) Isocyanide Complexes

Electron Cyclotron Heating and Suprathermal Electron Dynamics in the TCV Tokamak

Biochemistry of Microbial Degradation of Hexachlorocyclohexane and Prospects for Bioremediation

Dynamical Control of Nuclear Isomer Depletion via Electron Vortex Beams

Electromagnetic processes of nuclear excitation: from direct photoabsorption to free electron and muon capture

Design and Simulation of Gamma Spectrometry Experiments in the CROCUS Reactor

Determination of the molecular structure of the short-lived light-induced high-spin state in the spin-crossover compound [Fe(6-mepy)(3)tren](PF6)(2)

Biochemistry of Microbial Degradation of Hexachlorocyclohexane and Prospects for Bioremediation

Amplitude analysis for the measurement of the photon polarisation in B rightarrow K pi pi gamma decays

Extreme Tuning of Redox and Optical Properties of Cationic Cyclometalated Iridium(III) Isocyanide Complexes

Identifying Mixtures of Isomeric Human Milk Oligosaccharides by the Decomposition of IR Spectral Fingerprints

Searches for the Anomalous Photon Polarisation in Radiative B Decays at LHCb

Electron Cyclotron Heating and Suprathermal Electron Dynamics in the TCV Tokamak