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Recent news

Workshop Proton Beams at SIS100

Workshop „Physics Opportunities with Proton Beams at SIS100” was held in Wuppertal

Physicist of the week

Meike Küßner is DPG female physicist of calendar week 30 in 2023!

Endcap travel

Forward Endcap travels to Jülich

+++ Publication list +++
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PANDA meetings


25/06-26/06 2024 FEE/DAQ Workshop
04/11-06/11 2024 CM 24/3 at GSI
05/03-07/03 2025 WS at GSI
24/03/2025 16.00 CM 25-ZOOM1
13/05/2025 16.00 CM 25-ZOOM2
16/06-18/06 2025 CM 25/1

Upcoming events

PANDA Collaboration Meeting 25/1
16 June, 2025 - 18 June, 2025
RICH2025 - XII International Workshop on Ring Imaging Cherenkov Detectors
15 September, 2025 - 19 September, 2025
DRD1 Gaseous Detectors School 2025
17 September, 2025 - 24 September, 2025

 

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GSI logo


Old website


Exploring the 3D nucleon structure with CLAS at JLAB and PANDA at FAIR
Stefan Diehl
Stefan.Diehl@exp2.physik.uni-giessen.de
TA-DPG-2021-028.pdf (116.09 KB)
Talk
DPG (DPG)
DPG - SMuK 2021
Physics analysis
Tuesday, June 29, 2021 - 12:00
TA-DPG-2021-028: Exploring the 3D nucleon structure with CLAS at JLAB and PANDA…
Design optimizations and assembly status of the Electromagentic Target Calorimeter of the PANDA experiment
Markus Moritz
markus.moritz@exp2.physik.uni-giessen.de
TA-DPG-2020-009.pdf (85.81 KB)
Talk
DPG (DPG)
DPG Spring Meeting 2020 - Hadronic and Nuclear Physics **CANCELLED**
Detector hardware
Saturday, March 28, 2020 - 12:00
see uploaded abstract
TA-DPG-2020-009: Design optimizations and assembly status of the Electromagenti…
Perspectives for $\Xi$ Baryon Spectroscopy in $\bar{p}p$ Collisions with the PANDA Detector
A. Gillitzer
a.gillitzer@fz-juelich.de
TA-DPG-2019-030.pdf (5.96 MB)
-
Talk
DPG (DPG)
DPG Spring Meeting 2019 - Hadronic and Nuclear Physics
Physics analysis
Tuesday, March 12, 2019 - 12:00
Due to the lack of experimental data, our knowledge on the excitation spectrum of double-strange baryons is very poor, however very important for understanding QCD in the non-perturbative regime. While within SU(3) symmetry the Xi spectrum should have as many states as the N and Delta spectrum together, only few Xi* states are established, most of them without spin-parity assignment. Thanks to the pbar-p entrance channel and the large detector acceptance for both charged and neutral particles, the PANDA experiment is the ideal place for Xi spectroscopy. An important part of the PANDA physics program is therefore devoted to the study of the Xi spectrum. Results of feasibility studies of identifying Xi* states in the final states Xibar+ L K-, Xibar+ Xi- pi0, and Xibar+ Xi- pi+ pi- will be reported, and the perspective of studying further decay modes will be discussed.
TA-DPG-2019-030: Perspectives for $\Xi$ Baryon Spectroscopy in $\bar{p}p$ Colli…
Shedding light on exotic charmonium: Reconstruction of a hybrid candidate with PANDARoot by means of a genetic algorithm
Christian Will, Markus Moritz, Kai -Thomas Brinkmann
markus.moritz@exp2.physik.uni-giessen.de
TA-DPG-2019-015.pdf (4.66 MB)
Talk
DPG (DPG)
DPG Spring Meeting 2019 - Hadronic and Nuclear Physics
Physics analysis
Thursday, March 21, 2019 - 12:00
One of the most interesting fields in modern high energy physics is
the experimental study of quantum chromodynamics. The PANDA-
experiment at FAIR aims to explore this field by probing hadrons with
unprecedented precision and sensitivity. It will use proton-antiproton
collisions to reach center-of-mass energies of up to 5.5 GeV. Combined
with a high luminosity, this will make the detection of exotic resonances
with tiny cross sections feasible. In order to support the experiment
with simulations, the software framework PANDARoot was developed.
In this talk, the reconstruction of a hybrid candidate in the charmo-
nium sector with PANDARoot will be presented. The decay channel
involving the hybrid candidate ultimately decays into seven photons,
which makes it an excellent candidate to evaluate the performance of
the electromagnetic calorimeter. While seven photons already create
immense combinatorical background within the signal channel, there
exist at least four background channels with a very similar decay pat-
tern. Hence it is important to maximize the statistical significance of
the signal. For this, different optimization algorithms were evaluated,
where a genetic algorithm was found to be the most suitable one. Its
features and performance will be discussed. This project is supported
by BMBF and HIC for Fair.
TA-DPG-2019-015: Shedding light on exotic charmonium: Reconstruction of a hybri…
Prototype test for the PANDA Barrel DIRC
Roman Dzhygadlo, Ahmed Ali, Anastasios Belias, Andreas Gerhardt, Dorothe Lehmann, Klaus Peters, Georg Schepers, Carsten Schwarz, Jochen Schwiening
r.dzhigadlo
TA-DPG-2018-084.pdf (2.92 MB)
Talk
DPG (DPG)
DPG Spring Meeting 2019 - Hadronic and Nuclear Physics
Detector hardware
Wednesday, March 20, 2019 - 12:00
The Barrel DIRC (Detection of Internally Reflected Cherenkov light) detector will be an essential part of the hadronic PID system of the PANDA experiment at GSI, Darmstadt. Covering the polar angle range of 22-140 degrees, it will provide pion-kaon separation power of at least 3 standard deviations for a charge particle momenta between 0.5 GeV/c and 3.5 GeV/c.
The design of the Barrel DIRC features the narrow bar radiator made from synthetic fused silica, a complex multi-layer spherical lens focusing system, a prism-shaped fused silica expansion volume, and MCP-PMTs (MicroChannel-Plate PhotoMultiplier Tubes) to detect the location and arrival time of the Cherenkov photons. All components were tested and successfully validated with a sophisticated prototype in a mixed hadron particle beam at CERN during 2015-2017. Additional test was conducted at CERN in 2018 with a purpose to optimize the number of used MCP-PMTs. Result of the optimization with the analysis and a comparison to the Geant4 simulation will be presented.
TA-DPG-2018-084: Prototype test for the PANDA Barrel DIRC
Feasibility Studies for a FAIR Phase-0 Project at MAMI
Sahra Wolff
s.wolff
TA-DPG-2018-027.pdf (7.18 MB)
Talk
DPG (DPG)
DPG Spring Meeting 2018 - Hadronic and Nuclear Physics
Detector hardware
Detector software
Friday, March 2, 2018 - 12:00
Within the FAIR phase-0 project, the use of FAIR equipment at
other facilities before the completion of the civil construction is envis-
aged. The PANDA EMC is a good candidate for FAIR phase-0, due
to the advanced state of its development. In particular, the backward
endcap (BWEC) of the PANDA EMC, which is developed and built at
HIM in Mainz, could be ready by 2020, three years before its foreseen
installation. Therefore, possible experiments at the MAMI electron
beam facility making use of the BWEC are under consideration.
One candidate is the measurement of the π electromagnetic transition
form factor via the electroproduction on a nuclear Coulomb field. To
select this channel, the momentum distribution of the π needs to be
measured by detecting the decay γ particles in an EMC.
Since the relevant γ s are emitted at forward angles, where high par-
ticle fluxes are expected, the affordable luminosity is limited by the
maximum event rate of the detector. Therefore, the total event rate at
different scattering angles with various targets need to be determined.
Monte Carlo simulations are ongoing and a beam test with a prototype
calorimeter was scheduled for January 2018 in order to address these
questions. The status of these feasibility studies will be presented.
TA-DPG-2018-027: Feasibility Studies for a FAIR Phase-0 Project at MAMI
Beam and Vacuum Studies on the PANDA Cluster-Jet Target
Benjamin Hetz
b_hetz01@uni-muenster.de
TA-DPG-2018-026.pdf (3.01 MB)
TA-DPG-2018-026.pdf (137.05 KB)
Talk
DPG (DPG)
DPG Spring Meeting 2018 - Hadronic and Nuclear Physics
Detector hardware
Friday, March 2, 2018 - 12:00
TA-DPG-2018-026: Beam and Vacuum Studies on the PANDA Cluster-Jet Target
Studies on Laval Nozzles for the PANDA Cluster-Jet Target
Silke Grieser
TA-DPG-2018-025.pdf (14.63 MB)
TA-DPG-2018-025.pdf (118.52 KB)
Talk
DPG (DPG)
DPG Spring Meeting 2018 - Hadronic and Nuclear Physics
Detector hardware
Friday, March 2, 2018 - 12:00
TA-DPG-2018-025: Studies on Laval Nozzles for the PANDA Cluster-Jet Target
Barrel Time-of-Flight Detector for the PANDA Experiment - Hardware Performance Validation - Update
Sebastian Zimmermann
TA-DPG-2018-024.pdf (5.55 MB)
Talk
DPG (DPG)
DPG Spring Meeting 2018 - Hadronic and Nuclear Physics
Detector hardware
Monday, February 26, 2018 - 12:00
We describe the technical layout and the expected performance of the
Barrel Time-of-Flight detector (Barrel TOF) for the PANDA target
spectrometer, giving updates on recent developments. The Barrel TOF
detector has been designed to precisely measure the time at which a
charged particle transits the detector with a resolution superior to the
other sub-detectors. It will signal the topology of physics events, hence
setting cornerstones for event classification. The implementation of the
Barrel TOF is based on very fast organic scintillator tiles coupled to
Silicon Photomultipliers. In total 2000 scintillators and 16k SiPMs will
be used, covering 5 m2. The detector R&D is now in advanced stage
and the technical design report is being reviewed by FAIR council.
The emphasis of this talk will be put on the updated design and
performance of the PCB stripline transmission and fine scans of the
time resolution of the detector elements, continuing the updates for
the B-TOF detector.
TA-DPG-2018-024: Barrel Time-of-Flight Detector for the PANDA Experiment - Hard…
Construction and Assembly of the Electromagnetic Calorimeter for the PANDA target spectrometer
Markus Moritz
markus.moritz@exp2.physik.uni-giessen.de
TA-DPG-2018-020.pdf (4.51 MB)
Talk
DPG (DPG)
DPG Spring Meeting 2018 - Hadronic and Nuclear Physics
Detector hardware
Monday, February 26, 2018 - 12:00
The electromagnetic target calorimeter (EMC) \cite{EMC} of the future $\overline{P}ANDA$ detector has the challenging aim to detect high energy photons with excellent energy resolution from 15 GeV down to a few tens of MeV. To reach this goal, improved PbW0$_4$ scintillator crystals, cooled down to $-25^\circ C$ have been chosen. They provide a fast decay time for highest count rates, short radiation length for compactness, improved light yield for lowest thresholds and excellent radiation hardness. The target calorimeter itself is divided into into a barrel and two endcaps. The individual crystal will be read out with two precisely matched large area avalanche photo sensors (APD). In the very inner part of the forward encap vacuum phototetrodes will be used instead.

In this talk the construction and assembly status will be presented. This includes for example the assembly of detector subunits, mechanical support structure, the cooling system, optical monitoring system and front end electronics.

This project is supported by the BMBF.
TA-DPG-2018-020: Construction and Assembly of the Electromagnetic Calorimeter f…
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