Events Archive

Seminar

Institutsseminar

Studies of Crystallization in Supercooled Atomic Liquids

Dr. Robert Grisenti
Institut für Kernphysik, Goethe-Universität Frankfurt am Main

Abstract:

Freezing of a liquid is a ubiquitous change of state, but many aspects of this so familiar phase transition are still poorly understood. At the microscopic level, crystallization is classically viewed as a two-steps process. Thermal fluctuations in the supercooled liquid — that is, in the metastable state below its melting point — initially trigger the spontaneous formation of a critical nucleus of the new ordered phase, which subsequently grows to macroscopic dimensions. However, crystallization is by far more complex than represented by this classical description and many details of the process still lack an adequate microscopic understanding. Here, we combine x-ray scattering with microscopic liquid jets of the atomic elements argon and krypton as a powerful approach to the study of crystal nucleation and growth in supercooled liquids, ad- dressing the problems of very short time scale and the inherently stochastic nature of the crys- tallization process [1]. Our results highlight, for example, the importance of thermodynamic as- pects in describing the crystal growth kinetics in binary liquids [2] and provide stringent limits to the validity of classical nucleation theory in atomic liquids, while offering the long-sought per- spective of testing non-classical extensions of the theory [3]. Furthermore, in combination with computer simulations and state-of-the-art ML-based techniques for data analysis, we expect to be able to gain even deeper insights into many aspects of the crystallization process, providing new benchmarks for current theories of crystal nucleation and growth.

[1] Grisenti et al., Adv. Phys. X 3, 1418183 (2018)
[2] Schottelius et al., Nat. Mater. 19, 512 (2020)
[3] Möller et al., Phys. Rev. Lett., in review (2024)

08.02.2024 14:00
Seminarraum HI-Jena, Fröbelstieg 3

Annual Meeting of the ErUM-FSP APPA 2024

Please see the conference website for details, and mind the registration deadline of 7 January 2024.

18.01. – 19.01.2024
Online
Seminar

Institutsseminar

Ionization Induced Dynamics in Liquids Uncovered via Ultrafast Time-resolved X-ray Absorption Spectroscopy

Dr. Ludger Inhester
DESY, Hamburg

Abstract:

Our understanding of the immediate response of matter to ionization is crucial for many fields. Experimental developments in ultrafast x-ray spectroscopy and experimental setups with liquid jets provide novel insights into the creation of ions and radicals by ionization and how they further interact with a liquid environment. The species and their evolution are of immediate relevance for corrosion effects, space travel, and medical applications.

To interpret time-resolved ultrafast x-ray spectroscopy experiments, ab-initio modelling of the involved dynamics and the connected evolving spectroscopic features is often imperative. In my talk, I will present our research on tracking fundamental reaction processes via ultrafast x-ray absorption spectroscopy and ab-initio calculations.

My talk will cover the primary steps in radiolysis of water, where our techniques resolves the immediate creation of the OH radical and the hydronium cation [1]. Further insights into the solvation process of electrons in liquid water are presented [2]. Moreover, I will show how our investigations recently uncovered that the primary processes induced by ionization in an aqueous urea solutions is a proton transfer reaction between neighboring urea molecules [3, 4]. I will also give an outlook addressing more recent experiments approaching the attosecond regime revealing the involved dynamics of ionization cascades in liquid water [5].

[1] Loh, Z.-H., Doumy, G., Arnold, C. et al. Science 367 179 (2020)
[2] Sopena, A. M., Li, S. et al. in review
[3] Shakya, Y., Inhester, L. et al. Struct. Dyn. 8, 034102 (2021).
[4] Yin, Z., Chang, Y.-P. et al. Nature 619 749-754 (2023)
[5] Li, S., Lu L. et al. in preparation

30.11.2023 14:00
Seminarraum HI-Jena, Fröbelstieg 3
Halbjahrestreffen

HI Jena Semiannual Meeting

We kindly invite you to the Helmholtz Institute Jena semiannual palaver. The detailed agenda is available here.

Following the scientific talks, we'd be glad if you could join our informal get-together at the new building (Fraunhoferstr. 8), to mark another successful year for the institute.

28.11.2023 14:00 - 18:00
Jena, Rosensäle, Großer Sitzungssaal

Woche der Teilchenwelt

As a new member of “Netzwerk Teilchenwelt” the Helmholtz Institute Jena also participates in the week of particle physics „Woche der Teilchenwelt". From November 6th through 12th, throughout Germany a broad program for the interested public will be presented. Among other things, HI-Jena offers a hybrid lecture on “X-ray astrophysics in the laboratory”. The current calendar and latest news can be found on https://www.wochederteilchenwelt.de/events/.

HI-Jena will offer a hybrid lecture on “X-ray astrophysics in the laboratory” (Dr. Sonja Bernitt):
Many extremely hot objects exist in space, such as stellar atmospheres or the accretion disks around sharp holes. These emit X-rays, which are observed with the help of instruments on board satellite observatories. To learn new things about the observed objects from these observations, one needs precise knowledge of the physics on atomic and subatomic scales, which must be obtained through experiments in the laboratory. This involves the use of ion traps, storage rings, semiconductor detectors, X-ray sources, and many other experimental techniques.

This talk will be hosted on 10 November 2023 at 5:00 p.m. in the seminar room of the institute's building at Fraunhoferstr. 8.

You can also watch the talk as a live webinar at https://uni-jena-de.zoom-x.de/j/69223586243 (password roentgen). During registration, an email address will be required for technical reasons, and will not be validated, stored or otherwise used by us.

There will also be an information stand on the Jena site (Helmholtz Institute Jena) for interested members of the public:
Tue, 07.11. | 3-5 p.m.
Thu, 09.11. | 14-16 h
Fri, 10.11. | 3-5 p.m.

Foyer of the new institute building, Fraunhoferstr. 8, 07743 Jena

06.11. – 12.11.2023
New building of the HI Jena
Konferenz

MT Annual Meeting 2023

09.10. – 11.10.2023
KIT, Karlsruhe
Konferenz

MML Workshop 2023

27.09. – 29.09.2023
Main lecture hall, Max-Wien-Platz 1, Jena

Zehnte gemeinsame Lecture Week von RS-APS und HGS-HIRe

27.02. – 03.03.2023
PAF, August-Bebel-Str. 4, 07743 Jena
Halbjahrestreffen

HI Jena Semiannual Meeting

We kindly invite you to the Helmholtz Institute Jena semiannual palaver. The detailed agenda is available here.

The talks will also be broadcast online.

22.02.2023 14:00 - 18:00
Lecture hall 1, Abbeanum, Fröbelstieg 1, 07743 Jena

Institute’s Seminar

Towards Frequency Metrology of the Optical Hyperfine Structure of Highly Charged Ions Using Quantum Logic

Peter Micke
BASE Collaboration, CERN, Geneva

Highly charged ions (HCI) are extreme atoms with favorable properties for the study of fundamental physics and the search for new physics [1]. They feature a simple atomic structure due to a small number of bound electrons, strong electromagnetic fields to which the electrons are exposed, and a low sensitivity to external perturbing fields [2]. Recent developments such as Coulomb crystallization [3], the application of quantum logic [4], and algorithmic ground-state cooling [5] have made HCI accessible for use in the most accurate measurement devices: optical atomic clocks, which today reach fractional uncertainties of 10-18.

In this talk, I will briefly review how we overcame all previous obstacles to realize the first optical atomic clock based on an HCI. I will present our frequency ratio measurement of the ground-state fine-structure transition in Ar13+ at 441 nm against the electric-octupole transition in 171Yb+ at a fractional uncertainty of about 1x10-16, limited by statistics and improving the previous uncertainty level by eight orders of magnitude [6]. By comparing the transition frequencies of the two isotopes 40Ar13+ and 36Ar13+, we determined the isotope shift with a relative uncertainty of 5.7x10-11, an improvement of nine orders of magnitude that resolves the QED nuclear recoil contribution [6]. In the second part of my talk, I will discuss how the measurement concept can be extended to optical hyperfine-structure transitions which are available in heavy hydrogen-like or lithium-like HCI.

  1. M. S. Safronova et al., Rev. Mod. Phys. 90, 025008 (2018)
  2. M. G. Kozlov et al., Rev. Mod. Phys. 90, 045005 (2018)
  3. L. Schmöger et al., Science 347, 1233–1236 (2015)
  4. P. Micke et al., Nature 578, 60–65 (2020)
  5. S. A. King et al., Phys. Rev. X 11, 041049 (2021)
  6. S. A. King et al., Nature (in print)
02.11.2022 14:00
Seminar room HI-Jena, Fröbelstieg 3

Trapped Charged Particles Conference 2022 (TCP2022)

Further information can be found here. Registration closes on 15 August 2022.

25.09. – 30.09.2022
Collegium Glashütten, 61479 Glashütten OT Oberems

19th SPARC Topical Workshop

0

05.09. – 09.09.2022
Online

RS-APS Seminar

0

06.07.2022 11:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

11.02.2022 09:00 - 10:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

04.02.2022 09:00 - 10:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

28.01.2022 09:00 - 10:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

21.01.2022 09:00 - 10:00
Online

AP Seminar

Zoom link: 384 670 6358

19.01.2022 14:00 - 15:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

14.01.2022 09:00 - 10:00
Online

RS-APS Seminar

0

12.01.2022 13:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

07.01.2022 09:00 - 10:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

17.12.2021 09:00 - 10:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

10.12.2021 09:00 - 10:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

03.12.2021 09:00 - 10:00
Online

MML Workshop 2021

0

22.11. – 24.11.2021
Online

IOQ Seminar

Zoom link: 633 7753 5233

19.11.2021 09:00 - 10:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

12.11.2021 09:00 - 10:00
Online

IOQ Seminar

Zoom link: 633 7753 5233

05.11.2021 09:00 - 10:00
Online

ExHILP 2021

The forth Extremely High Intensity Laser Physics Conference (ExHILP 2021) – held as an online conference – is hosted by the Friedrich Schiller University of Jena and the Helmholtz Institut Jena and co-organized by the DFG research unit FOR 2783. The conference combines theory, experiment and simulations of laser-matter and laser-vacuum interactions at the highest intensities. This year’s version of  ExHILP is focusing on several core topics of Strong Field Quantum Electrodynamics and its application in neighboring fields. A focus will be on contemporary and future experiments with PW-class lasers addressing interactions in plasmas, the nonlinear response of the quantum vacuum, and laser interactions with ultra-relativistic particle and high energy photon beams.

Registration is open now on the conference website.

13.09. – 17.09.2021
Online

18th SPARC Topical Workshop

0

06.09. – 09.09.2021
Online

Doctoral students conference on optics DoKDoK 2021

Further information: www.dokdok.org

01.09. – 03.09.2021
Abbe Center of Photonics, Albert-Einstein-Straße 6

IOQ Seminar

Zoom link: 611 7962 8237

14.07.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

07.07.2021 10:00 - 11:00
Online

RS-APS Seminar

0

06.07.2021 14:00
Online

AP Seminar

0

30.06.2021 13:00 - 14:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

30.06.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

23.06.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

16.06.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

09.06.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

02.06.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

26.05.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

19.05.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

12.05.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

05.05.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

28.04.2021 10:00 - 11:00
Online

IOQ Seminar

Zoom link: 611 7962 8237

21.04.2021 10:00 - 11:00
Online

Thüringer Forschungspreis 2021

0

14.04.2021 15:00
Online

IOQ Seminar

Zoom link: 934 3202 3009

03.02.2021 09:00 - 10:00
Online

IOQ Seminar

Zoom link: 934 3202 3009

27.01.2021 09:00 - 10:00
Online

AP Seminar

Zoom link: 384 6706 358

Details can be found here.

20.01.2021 13:15 - 14:15
Online

IOQ Seminar

Zoom link: 934 3202 3009

20.01.2021 09:00 - 10:00
Online

RS-APS Seminar

0

09.12.2020 14:00
Online

Institute´s Seminar

0

02.12.2020 17:00
Online

RS-APS Seminar

0

11.11.2020 14:00
Online

RS-APS Seminar

0

04.11.2020 14:00
Online

German Mössbauer Workshop 2020

0

07.10. – 09.10.2020
Online

17th SPARC Topical Workshop

0

14.09. – 16.09.2020
Online

Institute´s Seminar

0

15.07.2020 17:00
Online

Institute´s Seminar

0

03.07.2020 10:00
Lecture hall 2, Abbeanum, Fröbelstieg 1

Institute´s Seminar

0

01.07.2020 17:00
Online

Institute´s Seminar

0

05.02.2020 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

11.12.2019 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

27.11.2019 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

19.06.2019 17:00
Seminar room HI-Jena, Fröbelstieg 3

COST-THOR Spring School on Science Communication

0

18.03. – 22.03.2019
Prague, Czech Republic

Institute´s Seminar

0

16.01.2019 14:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

12.12.2018 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

24.10.2018 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

18.09.2018 14:00
Seminar room HI-Jena, Fröbelstieg 3

EMMI Rapid Reaction Task Force Workshop

0

17.09. – 19.09.2018
Rosensäle, Fürstengraben 27, Jena

15th SPARC Topical Workshop

0

07.09. – 11.09.2018
Lisbon, Portugal

19th international Conference on Physics of Highly Charge Ions (HCI 2018)

The abstract submission for the 19th international Conference on Physics of Highly Charge Ions (HCI 2018), to be held in Caparica, Lisbon (Portugal), is open. The abstract submission should be done via the HCI 2018 website: http://hci2018.pt/ 
 
Abstracts can be submitted in the following topics:

  • Fundamental Aspects, Structure and Spectroscopy
  • Collisions with Electrons, Ions, Atoms and Molecules
  • Interaction with Clusters, Surfaces and Solids
  • Interactions with Photons and Plasmas
  • Strong Field and Ultrafast Processes
  • Production, Experimental Developments and Applications

The deadline for abstract submission is 15 April 2018.

03.09. – 07.09.2018
Caparica, Lisbon (Portugal)

Institute´s Seminar

0

24.08.2018 14:00
Seminar room HI-Jena, Fröbelstieg 3

26th International Conference on Atomic Physics, ICAP

0

22.07. – 27.07.2018
Barcelona, Spain

RS-APS Seminar

0

18.07.2018 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

11.07.2018 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

04.07.2018 14:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

20.06.2018 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

13.06.2018 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

06.06.2018 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

06.06.2018 14:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

01.03.2018 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

24.01.2018 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

10.01.2018 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

20.12.2017 14:00
Seminar room HI-Jena, Fröbelstieg 3

Seminar

0

14.12.2017 13:30 - 14:30
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

13.12.2017 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

29.11.2017 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

22.11.2017 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

15.11.2017 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

This thesis describes the development of a particle counter based on a Cerium activated yttrium aluminium perovskite (YAP:Ce) scintillator. The detector is designed for charge exchange experiments at the relocated ion storage ring CRYRING at the GSI Helmholtz Zentrum für Schwerionenforschung in Darmstadt. It will be used for charge exchange experiments. The suggested detector design was developed regarding the requirements set by the desired ultra high vacuum conditions of up to 10−12 mbar at CRYRING in combination with a high radiation hardness against ion irradiation. The design was kept as simple as possible offering an easy exchange of the scintillator (not limited to YAP:Ce) if necessary.

For an estimation of the detector lifetime the radiation hardness was systematically investigated for Hydrogen, Oxygen and Iodine irradiation in the energy regime of 1 – 10 MeV. The measurement took place at the JULIA tandem accelerator. For the measurement of detector degradation the light yield was used. Values determined for the critical fluence, defined as fluence at half the initial light yield, varied from 1 × 1015 cm−2 in the case of hydrogen down to 1.7 × 1012 cm−2 for iodine irradiation.

Prior to the hardness investigation, the used photomultiplier tube (PMT) was tested for anomalous behaviour like temporal or spatial dependence of the output signal. Taking the experimental uncertainties into account no such dependencies could be observed. It was concluded that the investigated PMT was well suited for the use in the experiment and later on the particle counter.

09.11.2017 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

01.11.2017 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

25.10.2017 14:00
Seminar room HI-Jena, Fröbelstieg 3

Doctoral students conference on optics DoKDoK 2017

0

18.09. – 22.09.2017
Suhl, Germany

Fifth Joint Lecture Week of RS-APS and HGS-HIRe

0

17.09. – 22.09.2017
Seminarhaus Lieb’Lommerke, 34508 Willingen

SPARC Topical Workshop 2017

0

11.09. – 14.09.2017
Caen, France

5th International FAIR School

The fifth edition of the International FAIR School will take place in Castiglione della Pescaia, Italy from September 03-10, 2017. The conference venue is the Riva del Sole

The scientific program of the International FAIR School covers all aspects of the FAIR project. The accelerators, the experiments, the theories and the computing frameworks behind. Devoting a day each on the four scientific pillars of FAIR (APPA, CBM, NUSTAR and PANDA) and two additional days for the accelerator itself and the High Performance Computing facilities gives the participants plenty of time to learn about the FAIR project. Furthermore the school is a great example of the multidisciplinary spirit of FAIR. In a series of expert lectures and group projects the different scientific parts will be elaborated. There will be plenty of time to get to know other international students working on FAIR related projects. The lectures are aimed at early PhD students/advanced master students.

Website: https://fias.uni-frankfurt.de/physics/conferences/fair-school-2017/

03.09. – 10.09.2017
Castiglione della Pescaia, Italy

24th Euroschool on Exotic Beams

0

28.08. – 01.09.2017
Cabourg, France

Institute´s Seminar

0

12.07.2017 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

14.06.2017 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

07.06.2017 14:00
Seminar room HI-Jena, Fröbelstieg 3

OMA School on Medical Accelerators

0

05.06. – 09.06.2017
Pavia, Italy

Institute´s Seminar

0

31.05.2017 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

24.05.2017 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

17.05.2017 17:00
Seminar room HI-Jena, Fröbelstieg 3

Semiannual Meeting of the HI Jena

0

23.03.2017 14:00 - 18:00
Lecture hall 2, Abbeanum, Fröbelstieg 1

RS-APS Seminar

0

25.01.2017 14:00
Seminar room HI-Jena, Fröbelstieg 3

APPA R&D Kick-Off Meeting

0

12.01. – 13.01.2017
GSI, Darmstadt

RS-APS Seminar

0

11.01.2017 14:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

07.12.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

30.11.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

23.11.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

16.11.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

02.11.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

26.10.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

Atomic Physics with (super) Heavy Atoms and Ions

0

26.10.2016 09:50 - 17:30
Center for Applied Research, Philosophenweg 7

Institute´s Seminar

0

19.10.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

20.09.2016 14:15
Seminar room HI-Jena, Fröbelstieg 3

International Student Summer Programme on X-Ray and Neutron Science

The ESRF/ILL International Student Summer Programme on X-Ray and Neutron Science is aimed at undergraduate students. It will consist in a 4-week experimental project embedded in a research group of ESRF or ILL, together with a series of introductory lectures on the principles and applications of X-ray and neutron science (magnetism, materials science, soft matter, structural biology, imaging, etc.).

For more informations, see: http://www.esrf.fr/home/events/conferences/2016/summerschool-2016.html

29.08. – 23.09.2016
Grenoble, France

Institute´s Seminar

0

08.07.2016 15:30 - 17:00
Seminar room HI-Jena, Fröbelstieg 3

Semiannual Meeting of the HI Jena

0

07.07.2016 14:00
Lecture hall 2, Abbeanum, Fröbelstieg 1

RS-APS Seminar

0

29.06.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

Physik in Hollywood

0

22.06.2016 17:15 - 18:30
Lecture hall 1, Abbeanum, Fröbelstieg 1

Institute´s Seminar

0

15.06.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

15.06.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

01.06.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

01.06.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

18.05.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

04.05.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

04.05.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

20.04.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

11.02.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

03.02.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

27.01.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

27.01.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

20.01.2016 17:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

20.01.2016 14:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

13.01.2016 14:00
Room 214, Helmholtzweg 4

RS-APS Seminar

0

16.12.2015 14:00
Seminar room HI-Jena, Fröbelstieg 3

Work & Laser Safety Instructions 2015

0

10.12.2015 10:00 - 11:00
Main lecture hall, Max-Wien-Platz 1, Jena

Semiannual Palaver Helmholtz Institute Jena

We would like to invite you to participate in the sessions of our upcoming semiannual palaver. A detailed agenda is available here.

The sessions are followed by a talk of Prof. Horst Stöcker within the “Physikalisches Kolloqium PAF” about “Cosmic Matter in the Laboratory”. After the lecture of Prof. Stöcker we would like to kindly invite you to join our annual “Christmas get-together” in the seminar room of the main building of the HI Jena.

07.12.2015 14:00 - 18:00
Lecture hall 1, Abbeanum, Fröbelstieg 1

Institutsseminar des IFK

0

27.11.2015 13:30 - 14:30
Haus 3 - Hörsaal 3 (Helmholtzweg 3)

Institute´s Seminar

0

25.11.2015 17:00
Seminar room HI-Jena, Fröbelstieg 3

Seminar

0

24.11.2015 16:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

18.11.2015 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

11.11.2015 17:00
Seminar room HI-Jena, Fröbelstieg 3

International Conference on Accelerator Optimization

The oPAC consortium is organizing a 3-day International Conference on Accelerator Optimization in Seville, Spain from 7th to 9th October 2015. The conference will be hosted by oPAC partner University of Seville/Centro Nacional de Aceleradores (CNA).

This International Conference will be an ideal place to present and discuss research advances in beam dynamics, accelerator diagnostics and advanced simulation tools. It will feature talks about the research outcomes from oPAC by fellows and research leaders from across the world. It will also present the opportunity for 15-minute long contributed talks and posters and to discuss future R&D activities in this multi-disciplinary field. Following a peer-review process selected proceedings will be published in a special edition of Physical Review STAB.

To register and/or submit your abstract please visit the conference website: https://indico.cern.ch/event/380975/

07.10. – 09.10.2015
Seville, Spain

Seminar

0

26.08.2015 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

17.07.2015 14:00
Seminar room HI-Jena, Fröbelstieg 3

Semiannual Meeting of the HI Jena

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16.07.2015 14:00 - 17:00
Lecture hall 2, Abbeanum, Fröbelstieg 1

Institute´s Seminar

0

08.07.2015 17:15
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

01.07.2015 17:15
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

24.06.2015 14:00
Seminar room HI-Jena, Fröbelstieg 3

Seminar

0

18.06.2015 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

17.06.2015 17:15
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

03.06.2015 17:15
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

27.05.2015 14:00
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

13.05.2015 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

06.05.2015 17:15
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

29.04.2015 13:30
Seminar room HI-Jena, Fröbelstieg 3

Kickoff meeting Matter and Technologies

Registration for the kickoff meeting Matter and Technologies is now open under

https://indico.desy.de/conferenceDisplay.py?ovw=True&confId=11168

where you will also find more details about the meeting, about accomodations etc.

The program is slowly taking shape. It will consist of a plenary part, where the accelerator and the detector topic are together and discuss highlights and plans, and parallel sessions, where details of the ARD and the DTS topic will be discussed.

24.02. – 26.02.2015
DESY Hamburg

Institute´s Seminar

0

11.02.2015 17:15
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

04.02.2015 17:15
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

21.01.2015 14:15
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

14.01.2015 17:15
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

This tutorial-talk presents an introduction to the interaction of light and matter on the attosecond timescale. My aim is to overview the theoretical description of ultra-short time-delays, and to relate these to the phase of extreme ultraviolet (XUV) light pulses and to the asymptotic phase-shifts of photoelectron wave packets. Special emphasis is laid on time-delay experiments, where attosecond XUV pulses are used to photoionize target atoms at well-defined times, followed by a probing process in real time by a phase-locked, infrared laser field. In this way, the laser field serves as a "clock" to monitor the ionization event, but the observable delays do not correspond directly to the delay associated with single-photon ionization. Instead, a significant part of the observed delay originates from a measurement induced process, which obscures the single-photon ionization dynamics. This phase-lag effect is traced back to a phase-shift of the above-threshold ionization transition matrix element, which we call the continuum--continuum phase.

It arises due to the laser-stimulated transitions between Coulomb continuum states. As we shall show here, these measurement-induced effects can be separated from the single-photon ionization process, using analytical expressions of universal character, so that eventually the attosecond time-delays in photoionization can be accessed. Finally, I will show results of atomic delay calculations performed using diagrammatic many-body perturbation theory.

03.12.2014 17:15
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

Owing to the recent advances in heavy-ion accelerator facilities and in detection techniques, new possibilities arise to study the electronic structure of simple atomic systems in strong Coulomb fields. Relativistic, quantum electrodynamics, and even nuclear effects, which are difficult to isolate in neutral atoms, often become enhanced in high-Z, few-electron ions. In order to improve understanding of these fundamental interactions, a number of studies have been recently carried out on the characteristic photon emission from heavy ions. In this contribution, we present a theoretical study on angular properties of radiation decay of heavy atomic systems. Special attention is given to the question of how the hyperfine interaction of the nuclear magnetic moment with those of electrons affects the angular properties of the K-alpha emission for isotopes with non-zero nuclear spin. A quite sizable contribution of the hyperfine interaction upon the K-alpha angular emission is found for isotopes with nuclear spin I = ½. Furthermore, lifetime-induced effects on angular distribution and correlation of x-ray emissions from two-step radiative cascades with more than one intermediate resonance are also investigated respectively. It is found that the angular properties of emitted x-ray photons are very sensitive to small energy splitting of the intermediate resonances, which can be used to determine small energy differences.

26.11.2014 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

19.11.2014 17:15
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

12.11.2014 14:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

05.11.2014 17:15
Seminar room HI-Jena, Fröbelstieg 3

RS-APS Seminar

0

29.10.2014 14:00 - 15:00
Seminar room HI-Jena, Fröbelstieg 3

Institute´s Seminar

0

22.10.2014 17:15 - 18:15
Seminar room HI-Jena, Fröbelstieg 3

11th Topical Workshop of the SPARC Collaboration

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16.10. – 17.10.2014
Conference center, Worms, Germany

International Conference on Science and Technology for FAIR in Europe 2014

This international conference will be a joint scientific and technical meeting of all FAIR communities

  • Atomic, Plasma and applied physics (APPA)
  • Compressed baryonic matter (CBM)
  • Nuclear physics (NUSTAR) and
  • Hadron physics (PANDA)

including fundamental physics, detector and accelerator technologies and data handling. Respectively the topics are the status, development and further prospects and the first day physics and instrumentation of all these pillars. (more info on FAIR see also http://fair-center.eu)

The scientific landscape has evolved in all fields of FAIR physics and it is high time to review and refine the scope of physics and to think about the steps beyond the startup of FAIR. This conference is a follow up of a meeting held at GSI in 2003, where the science case of the first generation of FAIR experiments was widely discussed.

It is co-organized by the Nuclear Physics Board of the EPS.

13.10. – 17.10.2014
Worms

9th International Conference on Nuclear Physics in Storage Rings (STORI´14)

The conference, which will be hosted by the GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany, is the 9th of its kind and follows the previous conferences held at Lund, St. Petersburg, Bernkastel-Kues, Bloomington, Uppsala, Jülich, Lanzhou and Frascati.

The purpose of the conference is to provide a forum for the international research community for the presentation and discussion of all aspects of nuclear physics at storage rings and related fields.
In this spirit the conference will cover the following topics:

  • Nuclear structure and astrophysics
  • In-ring nuclear reactions
  • Hadron spectroscopy and sub-nucleonic degrees of freedom
  • Antiproton-nucleus interactions
  • Stored radioactive beams
  • Fundamental symmetries and interactions
  • Elementary atomic processes explored with cooled few-electron ions
  • Nuclear properties by atomic physics techniques
  • Beam-cooling, manipulation and diagnostics
  • Targets and detectors
  • Ion traps and electrostatic rings
  • Future facilities

The scientific program will consist of invited talks, contributed talks and a poster session. Besides the experts in the field we encourage in particular young scientists to join the conference and to present their results.

The conference will be held at the “Schloss Rheinfels” Castle in Sankt Goar, Germany. Sankt Goar is a picturesque little town located on the Rhine river, about halfway between Köln and Mainz, close to the famous “Loreley”. It is located within the UNESCO cultural heritage site “Mittleres Rheintal”. The conference venue, Schloss Rheinfels, is situated above Sankt Goar, providing spectacular views of the valley of the Rhine river.

More information and registration: http://web-docs.gsi.de/~stori14/

29.09. – 03.10.2014
Sankt Goar, Germany

FAIRNESS2014 - 3rd International Workshop for young scientists with research interests focused on physics at FAIR

The workshop is designed to bring together excellent international young scientists with research interests focused on physics at FAIR. The topics of the workshop cover a wide range of aspects in both theoretical developments and current experimental status, concentrated around the four scientific pillars of FAIR.

We will have exciting and interdisciplinary discussions along these key topics:

  • Physics of hot and dense nuclear matter, QCD phase transitions and critical point
  • Nuclear structure, astrophysics and reactions
  • Hadron Spectroscopy, Hadrons in matter and Hypernuclei
  • Special emphasis is put on the experiments CBM, HADES, PANDA, NuSTAR, as well as NICA and the RHIC beam energy scan
  • New developments in atomic and plasma physics

The format of the meeting comprises of morning and afternoon sessions. The morning sessions will consist of one overview talk (35+10) and short presentations (25+5), the afternoon session will consist of short presentations only (25+5). Each session is enriched by active discussion sessions dedicated to the topics presented by the speakers. Informal interactive discussions will be carried out throughout the afternoon break, and after dinner.

Proceedings, that summarize the talks and discussion sessions with a special emphasis on interdisciplinary aspects between the different areas of
research at FAIR, will be published after the workshop. For more information we refer you to our web-page at:
https://indico.gsi.de/event/fairness2014

22.09. – 27.09.2014
Lloyd's Baia Hotel, Vietri sul Mare, Italy

New options for laser-driven short-wavelength photon sources

0

09.07.2014 14:00 - 15:00
Seminar room HI-Jena, Fröbelstieg 3

Seminar

0

25.06.2014 17:00
Seminar room HI-Jena, Fröbelstieg 3

IOQ-Seminar

0

13.06.2014 14:00
IOQ Conference Room, Max-Wien-Platz 1