Publications (28)
Compton Scattering from the Deuteron above Pion-Production Threshold
B. Strandberg, J. R. M. Annand, W. Briscoe +26
The electromagnetic polarizabilities of the nucleon are fundamental nucleon-structure observables that characterize its response to external electromagnetic fields. The neutron pol…
Monolithic MHz-frame rate digital SiPM-IC with sub-100 ps precision and 70m pixel pitch
I. Diehl, K. Hansen, T. Vanat +4
This paper presents the design and characterization of a monolithic integrated circuit (IC) including digital silicon photomultipliers (dSiPMs) arranged in a 3232 pixel m…
Technical Design Report for PANDA Electromagnetic Calorimeter (EMC)
PANDA Collaboration, W. Erni, I. Keshelashvili +407
This document presents the technical layout and the envisaged performance of the Electromagnetic Calorimeter (EMC) for the PANDA target spectrometer. The EMC has been designed to m…
A Helium Gas-Scintillator Active Target for Photoreaction Measurements
R. Al Jebali, J. R. M. Annand, J. -O. Adler +20
A multi-cell He gas-scintillator active target, designed for the measurement of photoreaction cross sections, is described. The target has four main chambers, giving an overall thi…
Technical Design Report for the: PANDA Micro Vertex Detector
PANDA Collaboration, W. Erni, I. Keshelashvili +454
This document illustrates the technical layout and the expected performance of the Micro Vertex Detector (MVD) of the PANDA experiment. The MVD will detect charged particles as clo…
Electromagnetic Polarizabilities of Nucleons bound in Ca, O and He
S. Proff, C. Pöch, T. Glebe +12
Differential cross sections for elastic scattering of photons have been measured for Ca at energies of 58 and 74 MeV and for O and He at 61 MeV, in the angular ra…
Experimental access to Transition Distribution Amplitudes with the PANDA experiment at FAIR
PANDA Collaboration, B. P. Singh, W. Erni +532
Baryon-to-meson Transition Distribution Amplitudes (TDAs) encoding valuable new information on hadron structure appear as building blocks in the collinear factorized description fo…
Technical Design Report for the: PANDA Straw Tube Tracker
PANDA Collaboration, W. Erni, I. Keshelashvili +470
This document describes the technical layout and the expected performance of the Straw Tube Tracker (STT), the main tracking detector of the PANDA target spectrometer. The STT encl…
Excitations in the Halo Nucleus He-6 Following The Li-7(gamma,p)He-6 Reaction
M. J. Boland, M. A. Garbu tt, R. P. Rassool +10
A broad excited state was observed in 6-He with energy E_x = 5 +/- 1 MeV and width Gamma = 3 +/- 1 MeV, following the reaction Li-7(gamma,p)He-6. The state is consistent with a num…
Shape fluctuations and radiation from thermally excited electronic states of boron clusters
T. Höltzl, P. Ferrari, E. Janssens +1
The effect of thermal shape fluctuations on the recurrent fluorescence of boron cluster cations, B (), has been investigated numerically, with a special emphasis on B…
Decays of excited silver cluster anions Ag, to , in DESIREE
E. K. Anderson, M. KamiÅska, K. C. Chartkunchand +6
Spontaneous decays of small, hot silver cluster anions Ag, have been studied using one of the rings of the Double ElectroStatic Ion Ring ExpEriment (DESIREE). Observa…
Near-threshold photoproduction on the deuteron
B. Strandberg, K. G. Fissum, J. R. M. Annand +29
The first experimental investigation of the near-threshold cross section for incoherent photoproduction on the deuteron d -> pp is presented. The experimental te…
Technical Design Report for the PANDA Solenoid and Dipole Spectrometer Magnets
The PANDA Collaboration, W. Erni, I. Keshelashvili +407
This document is the Technical Design Report covering the two large spectrometer magnets of the PANDA detector set-up. It shows the conceptual design of the magnets and their antic…
New Measurement of Compton Scattering from the Deuteron and an Improved Extraction of the Neutron Electromagnetic Polarizabilities
L. S. Myers, J. R. M. Annand, J. Brudvik +15
The electromagnetic polarizabilities of the nucleon are fundamental properties that describe its response to external electric and magnetic fields. They can be extracted from Compt…
Reflections on future problems in cluster science
K. Hansen, V. V. Kresin, R. Alhyder +22
This article is a collection of contributions from speakers at the 2025 DEAMN [Dynamics of Electrons in Atomic and Molecular Nanoclusters] workshop at the Majorana Centre in Erice.…
Physics Performance Report for PANDA: Strong Interaction Studies with Antiprotons
PANDA Collaboration, W. Erni, I. Keshelashvili +411
To study fundamental questions of hadron and nuclear physics in interactions of antiprotons with nucleons and nuclei, the universal PANDA detector will be built. Gluonic excitation…
Test Results on the Silicon Pixel Detector for the TTF-FEL Beam Trajectory Monitor
S. Hillert, R. Ischebeck, U. C. Müller +11
Test measurements on the silicon pixel detector for the beam trajectory monitor at the free electron laser of the TESLA test facility are presented. To determine the electronic noi…
Test Beam Performance Measurements for the Phase I Upgrade of the CMS Pixel Detector
M. Dragicevic, M. Friedl, J. Hrubec +481
A new pixel detector for the CMS experiment was built in order to cope with the instantaneous luminosities anticipated for the Phase~I Upgrade of the LHC. The new CMS pixel detecto…
Conductance of single-atom platinum contacts: Voltage-dependence of the conductance histogram
S. K. Nielsen, Y. Noat, M. Brandbyge +6
The conductance of a single-atom contact is sensitive to the coupling of this contact atom to the atoms in the leads. Notably for the transition metals this gives rise to a conside…
Compton scattering from 12C using tagged photons in the energy range 65 - 115 MeV
L. S. Myers, K. Shoniyozov, M. F. Preston +26
Elastic scattering of photons from 12C has been investigated using quasi-monoenergetic tagged photons with energies in the range 65 - 115 MeV at laboratory angles of 60 deg, 120 de…
Spontaneous decay of small copper cluster anions Cu, on long time scales
K. Hansen, M. H. Stockett, M. Kaminska +8
We have measured the spontaneous neutral particle emission from copper cluster anions (Cu, ) stored at cryogenic temperatures in one of the electrostatic ion storage r…
First storage of ion beams in the Double Electrostatic Ion-Ring Experiment - DESIREE
H. T. Schmidt, R. D. Thomas, M. Gatchell +31
We report on the first storage of ion beams in the Double ElectroStatic Ion Ring ExpEriment; DESIREE, at Stockholm University. We have produced beams of atomic carbon anions and sm…
Pion emission in 2H, 12C, 27Al, gamma pi+ reactions at threshold
P. Golubev, V. Avdeichikov, K. G. Fissum +12
The first data from MAX-lab in Lund, Sweden on pion production in photonuclear reactions at threshold energies, is presented. The decrease of the total yield of pi+ in gamma + 12C,…
Tests of the Monte Carlo Simulation of the Photon-Tagger Focal-Plane Electronics at the MAX IV Laboratory
M. F. Preston, L. S. Myers, J. R. M. Annand +5
Rate-dependent effects in the electronics used to instrument the tagger focal plane at the MAX IV Laboratory were recently investigated using the novel approach of Monte Carlo simu…
Trapping in irradiated p-on-n silicon sensors at fluences anticipated at the HL-LHC outer tracker
W. Adam, T. Bergauer, M. Dragicevic +682
The degradation of signal in silicon sensors is studied under conditions expected at the CERN High-Luminosity LHC. 200 m thick n-type silicon sensors are irradiated with proton…
A measurement of the differential cross section for the two-body photodisintegration of 3He at theta_LAB = 90deg using tagged photons in the energy range 14 -- 31 MeV
M. Karlsson, J. -O. Adler, L. E. M. Andersson +22
The two-body photodisintegration of 3He has been investigated using tagged photons with energies from 14 -- 31 MeV at MAX-lab in Lund, Sweden. The two-body breakup channel was unam…
Compton Scattering from the Deuteron and Extracted Neutron Polarizabilities
M. Lundin, J. -O. Adler, M. Boland +19
Differential cross sections for Compton scattering from the deuteron were measured at MAX-lab for incident photon energies of 55 MeV and 66 MeV at nominal laboratory angles of $45^…
Spontaneous electron emission from hot silver dimer anions: Breakdown of the Born-Oppenheimer approximation
E. K. Anderson, A. F. Schmidt-May, P. K. Najeeb +8
We report the first experimental evidence of spontaneous electron emission from a homonuclear dimer anion through direct measurements of $\rm{Ag}_2^- \rightarrow \rm{Ag}_2 + \rm{e}…