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Consensus and confusion in cosmology

uploaded September 27, 2024

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Quantum Sensors for High Energy Physics

Aaron S. Chou, DESY Theory Workshop 2024
- 40:31 duration
- 26 views
- 0 likes
Line intensity mapping

Marc Kamionkowski, DESY Theory Workshop 2024
- 37:01 duration
- 15 views
- 0 likes
Stochastic gravitational wave backgrounds at LISA

Valerie Domcke, DESY Theory Workshop 2024
- 42:08 duration
- 19 views
- 0 likes
Collider physics & the relativistic 2-body problem

Rafael Porto, DESY Theory Workshop 2024
- 40:56 duration
- 15 views
- 0 likes
Consensus and confusion in cosmology

Prof. Dr. Marc Kamionkowski (Johns Hopkins University), Heinrich Hertz Lecture 2024. The past quarter century has been a period of rapid progress in our understanding of the origin and evolution of the Universe. We now have a simple mathematical model that can account for the gross features of our Universe as well as detailed...
- 01:13:21 duration
- 160 views
- 0 likes
Axion Theory

Prateek Agrawal, DESY Theory Workshop 2024
- 41:07 duration
- 20 views
- 0 likes
Axion Strings

Malte Buschmann, DESY Theory Workshop 2024
- 39:18 duration
- 12 views
- 0 likes
GW Waveforms for BH and new physics

Eugene Lim, DESY Theory Workshop 2024
- 41:22 duration
- 11 views
- 0 likes
Pulsar Timing Arrays on the verge of detection

Nataliya K. Porayko, Theorie Workshop 2024
- 43:08 duration
- 16 views
- 0 likes
New results in axion inflation

Marco Peloso, Theorie Workshop 2024
- 39:20 duration
- 17 views
- 0 likes
Searching for Primordial Gravitational Waves with the CMB

Raphael Flauger, Theorie Workshop 2024
- 37:03 duration
- 18 views
- 0 likes
Jim Penner-Hahn (University of Michigan) at FXE

September 2022
- 01:09 duration
- 64 views
- 0 likes
Oksana Plekan (FERMI at the Elettra Sincrotrone Trieste) at SQS

September 2022
- 01:25 duration
- 74 views
- 0 likes
Lisa Randolph (University of Siegen) at HED

September 2022
- 00:26 duration
- 51 views
- 0 likes
Eilidh McClain (University of Michigan) at FXE

September 2022
- 00:46 duration
- 28 views
- 0 likes
Filipe Maia (Uppsala University) at SPB/SFX

September 2022
- 00:31 duration
- 23 views
- 0 likes
Christian Gutt (University of Siegen) at MID

September 2022
- 00:19 duration
- 24 views
- 0 likes
Markus Gühr (University of Potsdam) at SQS

September 2022
- 01:25 duration
- 81 views
- 0 likes
Lingen Huang (Helmholtz-Zentrum Dresden-Rossendorf, HZDR) at HED

September 2022
- 01:03 duration
- 33 views
- 0 likes
Roseanne Sension (University of Michigan) at FXE

September 2022
- 00:38 duration
- 29 views
- 0 likes
Maddalena Bin (Stockholm University) at MID

September 2022
- 00:31 duration
- 36 views
- 0 likes
Patrick Adams (RMIT University Melbourne) at SPB/SFX

September 2022
- 00:34 duration
- 18 views
- 0 likes
Aniruddha Deb (University of Michigan) at FXE

September 2022
- 00:45 duration
- 26 views
- 0 likes
Caterina Vozzi (CNR Milan) at SQS

September 2022
- 01:03 duration
- 88 views
- 0 likes
Ryan Lamb (University of Michigan) at FXE

September 2022
- 00:41 duration
- 28 views
- 0 likes
Further insights into the experiment station HED by leading scientist Dr. Ulf Zastrau

Length 05:24 min.
- 05:24 duration
- 148 views
- 0 likes
European XFEL in a nutshell

The 3.4 km long European XFEL generates extremely intense X-ray flashes used by researchers from all over the world to map atomic details of viruses, film chemical reactions, and study processes in the interior of planets.
- 05:06 duration
- 15976 views
- 0 likes
European XFEL im Überblick

Der 3,4 Kilometer lange European XFEL erzeugt extrem intensive Röntgenlaserblitze, die Forschende aus der ganzen Welt nutzen, um atomare Details von Viren zu erkennen, chemische Reaktionen zu filmen und Vorgänge wie im Inneren von Planeten zu untersuchen.
- 05:19 duration
- 3076 views
- 0 likes
Spectroscopy and coherent scattering on catalysts for C-H bonds of saturated alkanes at the European XFEL

C-H bonds of saturated alkanes are inert and hence hard to break. Catalysis with 4d and 5d transition metal complexes in solution provides ways for C-H bond cleavage, whereas earth-abundant 3d metal catalysts have not been discovered to date. Raphael M. Jay from Uppsala University in Sweden and his team investigates how to make 3d metal complexes reactive for C-H activation. The...
- 02:41 duration
- 21 views
- 0 likes
Investigation of ultrafast electron solvation dynamics in aqueous systems at European XFEL

During ionisation, electrons are knocked out of an atom. What remains are "holes". Both the ejected electrons and the holes can trigger chemical reactions in an extremely short time. This is particularly true in aqueous systems. Using X-ray absorption spectroscopy (XAS), the scientists from Linda Young's team at Argonne National Laboratory, USA, are investigating the ultrafast dynamics of...
- 04:31 duration
- 330 views
- 0 likes
Time-dependent measurements of carbon nanoparticle inception at European XFEL

Nanoparticles containing carbon have extraordinary chemical and electronic properties. However, their formation from the gas phase is still poorly understood. The team led by Andrea Comandini from the Centre national de la recherche scientifique (CNRS) in Orléans, France, is investigating the formation of carbonaceous nanoparticles at different temperatures and pressures at the MID experiment...
- 05:33 duration
- 249 views
- 0 likes
Towards Quantum Vacuum Birefringence using an X-ray Dark-field Technique at European XFEL

According to quantum field theory, the vacuum is not really "empty". For example, it can interact with strong electromagnetic fields. This extremely weak effect should also be visible in the scattering of X-ray photons in the optical field of strong laser fields - and be about two orders of magnitude stronger. Physicists call this light-by-light scattering. As part of the HIBEF collaboration...
- 03:06 duration
- 363 views
- 0 likes
Lifetime determination of key astrophysical transitions in highly charged ions at European XFEL

Measuring the lifetime of excited states of highly charged neon ions using X-rays at the SQS (Small Quantum Systems) experiment station of the European XFEL in Schenefeld near Hamburg. Dr. Chintan Shah from the NASA Goddard Space Flight Centre, USA, uses the so-called pump-and-probe method in the soft X-ray regime. The novel two-color mode of the SASE3 undulator at the European XFEL...
- 05:17 duration
- 188 views
- 0 likes
Single-particle X-ray imaging of phycobilisome light harvesting antenna at high repetition rate

Cyanobacteria are also capable of photosynthesis. However, the chemical processes involved are very difficult to study in a near-natural environment. At the SPB/SFX experiment station of the European XFEL in Schenefeld near Hamburg, the team led by Patrick Konold from Uppsala University, Sweden, is trying to gain an unprecedented insight into the light-harvesting mechanism of...
- 04:01 duration
- 168 views
- 0 likes
Femtosecond-XES characterization of spin-states and structures of transient iron(III)-oxyl species

Compounds of iron with oxygen are relevant for many processes - from the transport of oxygen in the blood to the corrosion of iron. However, many aspects of iron-oxygen chemistry are not yet fully understood. It is generally believed that the magnetic orientations of the electrons involved - the so-called spin state - also play an important role, e.g. in catalytic processes. Using...
- 04:07 duration
- 307 views
- 0 likes
The hRIXS spectrometer at the SCS instrument explained by Dr. Benjamin van Kuiken

The SCS instrument (Spectroscopy and Coherent Scattering) enables scientists to unravel the electronic and structural properties of complex materials, molecules, and nanostructures. Examples of experiments carried out with the SCS instrument include investigating ultrafast magnetization processes on the nanoscale, the real-time observation of chemical reactions in liquids, and understanding...
- 05:07 duration
- 38 views
- 0 likes
Das FXE-Instrument von European XFEL

Mit der FXE-Experimentierstation am European XFEL lassen sich auf atomarer Ebene extrem schnelle chemische Prozesse untersuchen. Ultrakurze Röntgenlaserpulse ermöglichen es den Forschern, die schnellen Veränderungen von Molekülen im Verlauf von Reaktionen im Detail zu beobachten. Die Proben sind in einem Flüssigkeitsstrahl gelöst. Sie werden mit einem in der Animation rot dargestellten...
- 01:22 duration
- 43 views
- 0 likes
The FXE instrument at the European XFEL

The FXE instrument at the European XFEL is designed to analyse chemical processes that are otherwise too fast to observe. Short pulses of laser-like X-rays, which can pick up atomic details, give scientists deeper insight into the rapid changes in molecules during an ongoing reaction. Samples are dissolved in a liquid jet. The molecules are energised with an optical laser, shown in red, which...
- 01:22 duration
- 33 views
- 0 likes
Das MID-Instrument bei European XFEL

Am MID Instrument des European XFEL können Forschende die Struktur und Dynamik von Materialien mit molekularer bis atomarer Auflösung untersuchen. Hierfür fokussieren sie Röntgenpulse auf das zu untersuchende Material, von wo aus das Röntgenlicht in verschiedene Richtungen gestreut wird. Die Anordnung der Atome im Material führt zu einem charakteristischen Streumuster, das von einem...
- 02:03 duration
- 39 views
- 0 likes
The MID instrument at the European XFEL

At the MID instrument of European XFEL, researchers can investigate the structure and dynamics of materials with molecular to atomic resolution. To do this, they focus X-ray pulses on the material to be studied from where the X-rays are scattered in different directions. The arrangement of the atoms in the material leads to a characteristic scattering pattern, which is recorded by a detector....
- 02:03 duration
- 29 views
- 0 likes
Tunnelflug // Tunnel flight 2017

Tunnel flight through the X-Ray Laser Facility European XFEL Tunnelflug durch die Röntgenlaseranlage European XFEL
- 06:10 duration
- 876 views
- 0 likes
Virenforschung am European XFEL

In diesem primär an Oberstufenschüler:innen gerichteten Kurzfilm wird die Virenforschung am European XFEL thematisiert. Anhand der am European XFEL stattgefundenen Coronavirus-Forschung werden die verschiedenen Schritte bei der Erforschung von Viren erklärt und veranschaulicht.
- 09:07 duration
- 304 views
- 0 likes
Virus research at European XFEL

This short movie, which is primarily aimed at senior high school students, focuses on virus research at European XFEL. The various steps involved in researching viruses are explained and illustrated using the coronavirus research carried out at European XFEL.
- 09:07 duration
- 216 views
- 0 likes
Funktionsweise des SPB-Instruments mit Flüssigkeitsstrahlen

Erklärung der Funktionsweise und Datenerfassung des Instruments SPB mit Flüssigkeitsstrahlen, das zur Erforschung biologischer Proben und Prozesse am European XFEL eingesetzt wird.
- 00:59 duration
- 28 views
- 0 likes
Functionality of the SPB instrument with liquid jets

Explanation of the functionality and data acquisition of the SPB instrument with liquid jets, which is used for research into biological samples and processes at the European XFEL.
- 00:59 duration
- 40 views
- 0 likes
European XFEL Pump-Probe Lasers: The Making (long version)

This time-lapse video shows the 11-month installation of one of the pump-probe laser systems at European XFEL. Pump-probe lasers are highly specialised pulsed optical lasers. They use high repetition rates, high energy, and ultrashort infrared pulses to stimulate a sample. This pulse is followed by an X-ray laser pulse that captures an image of the sample. Many images are put together to make...
- 05:20 duration
- 240 views
- 0 likes
European XFEL Pump-Probe Lasers: The Making

This time-lapse video shows the 11-month installation of one of the pump-probe laser systems at European XFEL. Pump-probe lasers are highly specialised pulsed optical lasers. They use high repetition rates, high energy, and ultrashort infrared pulses to stimulate a sample. This pulse is followed by an X-ray laser pulse that captures an image of the sample. Many images are put together to make...
- 03:39 duration
- 40 views
- 0 likes
Detectors at European XFEL / Detektoren bei European XFEL

Detector scientist Dr. Monica Turcato explains the detectors at all six experiment stations at European XFEL (with German subtitles) Detektorwissenschaftlerin Dr. Monica Turcato erklärt die Detektoren an allen sechs Experimentierstationen des European XFEL (englische Sprache mit mit deutschen Untertiteln)
- 10:42 duration
- 884 views
- 0 likes
Research at the European XFEL on twisted bilayer MoS2 and gold nanoparticles on Titanium oxide

Kai Rossnagel from Kiel University and Deutsches Elektronen-Synchrotron DESY in Hamburg conducted quantum materials research at the new SXP instrument (Soft X-ray Port). The scientific focus of the experiment is on two model interface systems: twisted bilayer MoS₂ and gold nanoparticles on Titanium oxide (TiO₂). He and his team investigated the effect of destructive interference...
- 04:14 duration
- 38 views
- 0 likes
Research at the European XFEL: Small quantum systems research on core-hole state dynamics in oxygen

Jan-Erik B. I. Rubensson from Uppsala University in Sweden conducted the first extreme ultraviolet (XUV) spectrometer experiment at the Small Quantum Systems instrument (SQS) at the European XFEL. The new 1D imaging X-ray spectrometer was used to investigate how non-linear processes can influence the core-hole state dynamics observed in the resonant inelastic X-ray scattering (RIXS)...
- 07:42 duration
- 122 views
- 0 likes

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Welcome

Consensus and confusion in cosmology

All media

Quantum Sensors for High Energy Physics

Line intensity mapping

Stochastic gravitational wave backgrounds at LISA

Collider physics & the relativistic 2-body problem

Consensus and confusion in cosmology

Axion Theory

Axion Strings

GW Waveforms for BH and new physics

Pulsar Timing Arrays on the verge of detection

New results in axion inflation

Searching for Primordial Gravitational Waves with the CMB

Jim Penner-Hahn (University of Michigan) at FXE

Oksana Plekan (FERMI at the Elettra Sincrotrone Trieste) at SQS

Lisa Randolph (University of Siegen) at HED

Eilidh McClain (University of Michigan) at FXE

Filipe Maia (Uppsala University) at SPB/SFX

Christian Gutt (University of Siegen) at MID

Markus Gühr (University of Potsdam) at SQS

Lingen Huang (Helmholtz-Zentrum Dresden-Rossendorf, HZDR) at HED

Roseanne Sension (University of Michigan) at FXE

Maddalena Bin (Stockholm University) at MID

Patrick Adams (RMIT University Melbourne) at SPB/SFX

Aniruddha Deb (University of Michigan) at FXE

Caterina Vozzi (CNR Milan) at SQS

Ryan Lamb (University of Michigan) at FXE

Further insights into the experiment station HED by leading scientist Dr. Ulf Zastrau

European XFEL in a nutshell

European XFEL im Überblick

Spectroscopy and coherent scattering on catalysts for C-H bonds of saturated alkanes at the European XFEL

Investigation of ultrafast electron solvation dynamics in aqueous systems at European XFEL

Time-dependent measurements of carbon nanoparticle inception at European XFEL

Towards Quantum Vacuum Birefringence using an X-ray Dark-field Technique at European XFEL

Lifetime determination of key astrophysical transitions in highly charged ions at European XFEL

Single-particle X-ray imaging of phycobilisome light harvesting antenna at high repetition rate

Femtosecond-XES characterization of spin-states and structures of transient iron(III)-oxyl species

The hRIXS spectrometer at the SCS instrument explained by Dr. Benjamin van Kuiken

Das FXE-Instrument von European XFEL

The FXE instrument at the European XFEL

Das MID-Instrument bei European XFEL

The MID instrument at the European XFEL

Tunnelflug // Tunnel flight 2017

Virenforschung am European XFEL

Virus research at European XFEL

Funktionsweise des SPB-Instruments mit Flüssigkeitsstrahlen

Functionality of the SPB instrument with liquid jets

European XFEL Pump-Probe Lasers: The Making (long version)

European XFEL Pump-Probe Lasers: The Making

Detectors at European XFEL / Detektoren bei European XFEL

Research at the European XFEL on twisted bilayer MoS2 and gold nanoparticles on Titanium oxide

Research at the European XFEL: Small quantum systems research on core-hole state dynamics in oxygen

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