Data and knowledge management for integrated assessment, A SEAMLESS example (2008)
Andersen, E., Janssen, S., Athanasiadis, I., Rizzoli, A., Villa, F., Wien, J.J.F.
Janssen, S., Kuipers, G.M.M., Verboord, M.
This article charts key developments and cross-national variations in the coverage of foreign culture (i.e., classical and popular music, dance, film, literature, theater, television, and visual...
Double pion photoproduction off 40Ca (2007)
Bloch, F., Ahrens, J., Annand, J. R. M., Beck, R., Fog, L. S., Hornidge, D., ...
The photoproduction of pi0pi0 and pi0pi+/- pairs off 40Ca has been investigated with the TAPS detector using the Glasgow photon tagging spectrometer at the Mainz MAMI accelerator. Data have been...
Passive/active transistions in cyclic corrosion tests (2007)
Hassel, A. W., Bonk, S., Wicinski, M., Stratmann, M., Ogle, K., Philips-Falcey, N., ...
The in vitro effect of bis(tri-n) butyltin)oxide(TBTO) on gene expression in mouse thymocytes (2007)
The application of genomics-based technology in toxicological research may finally provide better tools for chemical safety testing since a wealth of information can be obtained about the mode of...
Online depth profiling of zinc coated sheet steel by laser-induced breakdown spectroscopy (2006)
Balzer, H., Hoehne, M., Hölters, S., Sturm, V., Noll, R., Leunis, E., ...
During the production of galvanised sheet steel, key monitoring parameters are the thickness and chemical composition of the zinc coating. For this purpose a new method was developed for the online...
Carver, G., Dobe, C., Jensen, T. B., Janssen, S., Bill, E., ...
Spectroscopic, magnetochemical, and crystallographic data are presented for CsFe(H2O)(6)PO4, a member of a little-known isomorphous series of salts that facilitates the study of hexa-aqua ions in a...
Orbital dynamics of the 4f shell in DyB2C2 (2005)
Staub, U, Mulders, AM, Zaharko, O, Janssen, S, Nakamura, T, Lovesey, SW
A generic template for FSSIM (2005)
Louhichi, K., Blanco, M., Flichman, G., Janssen, S., Hengsdijk, H.
Electromagnetic form factors of hyperons in a relativistic quark model (2004)
Van Cauteren, T., Corthals, T., Janssen, S., Ryckebusch, J., Merten, D., Metsch, B., ...
The relativistically covariant constituent quark model developed by the Bonn group is used to compute the EM form factors of strange baryons. We present form-factor results for the ground-state and...
Photoproduction of pi0-mesons from nuclei (2004)
Krusche, B., Lehr, J., Ahrens, J., Annand, J. R. M., Beck, R., Bloch, F., ...
Photoproduction of neutral pions from nuclei (carbon, calcium, niobium, lead) has been studied for incident photon energies from 200 MeV to 800 MeV with the TAPS detector using the Glasgow photon...
Electromagnetic form factors of hyperons in a relativistic quark model (2004)
Van Cauteren, T, Corthals, T, Janssen, S, Ryckebusch, J, Merten, D, Metsch, B, ...
In describing meson electroproduction processes on the nucleon with isobar models, the implementation of electromagnetic (EM) and strong form factors constitutes one of the major sources of...
A Genetic Algorithm Analysis of N* Resonances in $p(\gamma,K^{+})\Lambda$ Reactions (2003)
Ireland, D. G., Janssen, S., Ryckebusch, J.
The problem of extracting information on new and known $N^{*}$ resonances by fitting isobar models to photonuclear data is addressed. A new fitting strategy, incorporating a genetic algorithm, is...
Photoproduction of eta-mesic 3He (2003)
Pfeiffer, M., Ahrens, J., Annand, J. R. M., Beck, R., Caselotti, G., Cherepnya, S., ...
The photoproduction of eta-mesic 3He has been investigated using the TAPS calorimeter at the Mainz Microtron accelerator facility MAMI. The total inclusive cross section for the reaction...
Relativistic formulation of Glauber theory for A (e, e ' p) reactions (2003)
Ryckebusch, J, Debruyne, D, Lava, P, Janssen, S, Van Overmeire, B, Van Cauteren, T
At sufficiently large proton energies, Glauber multiple-scattering theory offers good opportunities for describing the final state interactions in electro-induced proton emission off nuclear targets....
Double $\pi^0$ Photoproduction off the Proton at Threshold (2003)
Kotulla, M., Ahrens, J., Annand, J. R. M., Beck, R., Hornidge, D., Janssen, S., ...
The reaction $\gamma p \to \pi^0 \pi^0 p$ has been measured using the TAPS BaF$_2$ calorimeter at the tagged photon facility of the Mainz Microtron accelerator. Chiral perturbation theory (ChPT)...
Electric and magnetic form factors of strange baryons (2003)
Van Cauteren, T., Merten, D., Corthals, T., Janssen, S., Metsch, B., ...
Predictions for the electromagnetic form factors of the Lambda$, Sigma and Xi hyperons are presented. The numerical calculations are performed within the framework of the fully relativistic...
Relativistic formulation of Glauber theory for A(e,e'p) reactions (2003)
Ryckebusch, J., Debruyne, D., Lava, P., Janssen, S., Van Overmeire, B., Van Cauteren, T.
At sufficiently large proton energies, Glauber multiple-scattering theory offers good opportunities for describing the final state interactions in electro-induced proton emission off nuclear targets....
Constraints on background contributions from K+Lambda electroproduction (2003)
Janssen, S, Ryckebusch, J, Van Cauteren, T
Results for response functions for kaon electroproduction on the proton are presented. A tree-level hadrodynamical model is adopted and it is shown that some of the electroproduction response...
Extraction of N* information from the limited p(gamma,K+)Lambda data set (2003)
Janssen, S., Ireland, D. G., Ryckebusch, J.
Nucleon resonance information is often obtained from fitting hadrodynamical model calculations to data, where model parameters such as resonance coupling constants are the free parameters in the...
Constraints on background contributions from K+ Lambda electroproduction (2003)
Janssen, S., Ryckebusch, J., Van Cauteren, T.
Results for response functions for kaon electroproduction on the proton are presented. A tree-level hadrodynamical model is adopted and it is shown that some of the electroproduction response...
Kotulla, M., Ahrens, J., Annand, J. R. M., Beck, R., Caselotti, G., Fog, L. S., ...
The reaction $\gamma p \to \pi^\circ \gamma^\prime p$ has been measured with the TAPS calorimeter at the Mainz Microtron accelerator facility MAMI for energies between $\sqrt{s}$ = 1221--1331 MeV....
Sigma photoproduction in the resonance region (2002)
Janssen, S, Ryckebusch, J, Debruyne, D, Van Cauteren, T
A study of gammap-->KSigma processes in an isobar model at tree level is reported. By comparing model calculations to the published SAPHIR data, we explore the possible role of different isospin...
In-medium modifications of the $\pi\pi$ interaction in photon-induced reactions (2002)
Messchendorp, J. G., Janssen, S., Kotulla, M., Ahrens, J., Annand, J. R. H., Beck, R., ...
Differential cross sections of the reactions $(\gamma,\pi^\circ\pi^\circ)$ and $(\gamma,\pi^\circ\pi^++\pi^\circ\pi^-)$ have been measured for several nuclei ($^1$H,$^{12}$C, and $^{\rm nat}$Pb) at...
Sigma photoproduction in the resonance region (2002)
Janssen, S., Ryckebusch, J., Debruyne, D., Van Cauteren, T.
A study of p(gamma,K)Sigma processes in an isobar model at tree level is reported. By comparing model calculations to the published SAPHIR data, we explore the possible role of different isospin...
Bridging two ways of describing final-state interactions in A(e,e ' p) reactions (2002)
Debruyne, D, Ryckebusch, J, Janssen, S, Van Cauteren, T
We outline a relativistic and unfactorized framework to treat the final-state interactions in quasielastic A (e, e' p) reactions for four-momentum transfers Q(2) greater than or similar to 0.3...
Kaon photoproduction: Background contributions, form factors, and missing resonances (2002)
Janssen, S, Ryckebusch, J, Debruyne, D, Van Cauteren, T
The photoproduction p(gamma,K-perpendicular to)A process is studied within a field-theoretic approach, It is shown that the background contributions constitute an important part of the reaction...
Bridging Two Ways of Describing Final-State Interactions in A(e,e'p) Reactions (2001)
Debruyne, D., Ryckebusch, J., Janssen, S., Van Cauteren, T.
We outline a relativistic and unfactorized framework to treat the final-state interactions in quasi-elastic A(e,e'p) reactions for four-momentum transfers Q$^{2} \gtrsim 0.3$ (GeV/c)$^{2}$. The...
Kaon photoproduction: background contributions, form factors and missing resonances (2001)
Janssen, S., Ryckebusch, J., Debruyne, D., Van Cauteren, T.
The photoproduction p(gamma, K+)Lambda process is studied within a field-theoretic approach. It is shown that the background contributions constitute an important part of the reaction dynamics. We...
The role of hyperon resonances in p(gamma,K+)Lambda processes (2001)
Janssen, S., Ryckebusch, J., Van Nespen, W., Debruyne, D., Van Cauteren, T.
We discuss the role of hyperon resonances in the u-channel when modeling p (gamma,K+)Lambda processes in an effective Lagrangian approach. Without the introduction of hyperon resonances, one is...
Onverwerkt Europa. Jaarboek voor Literatuurwetenschap I (2001)
Buelens, G., Graef, O. De, Heynders, O., Humbeeck, K., Janssen, S., Ruiter, F.
Mobility Management in GPRS Networks (2001)
Janssen, S., Remondo Bueno, D., Heemstra De Groot, S.M., Slingerland, A.M.R.
Relativistic eikonal approximation in high-energy A(e,e'p) reactions (2000)
Debruyne, D., Ryckebusch, J., Van Nespen, W., Janssen, S.
A fully relativistic model for the description of exclusive (e,e'p) reactions off nuclear targets at high energies and momentum transfers is outlined. It is based on the eikonal approximation for the...
ECNS'99 - Young Scientists Forum (2000)
Ceretti, M, Janssen, S, McMorrow, D, Radaelli, P, Steigenberger, U
Tensor correlations in nuclei and exlusive electron scattering (1999)
Ryckebusch, J., Janssen, S., Van Nespen, W., Debruyne, D.
The effect of tensor nucleon-nucleon correlations upon exclusive and semi-exclusive electronuclear reactions is studied. Differential cross sections for the semi-exclusive ^{16}O(e,e'p) and exclusive...
Nováková, I.R.O., Schuurmans, M.M.J., Janssen, S., Wollersheim, H.C.H., Verbruggen, H.W., Metz, M. De, ...
Molecular epidemiology of apparent outbreak of invasive aspergillosis in ahematology ward (1996)
Leenders, A., Belkum, A. Van, Janssen, S., Marie, S. De, Kluytmans, J., Wielenga, J., ...
During a 2-month period, five patients suffering from invasive infections caused by Aspergillus flavus or Aspergillus fumigatus were identified in the Hematology Department of the University Hospital...
Modulen installatietechniek onder de loep (1995)
Gordijn, J., Huisstede, S., Hulsbeek, M., Janssen, S., Meijerink, E.G., Nijhof, W.J., ...
Janssen, S., Schwahn, D., Mortensen, K., Springer, T.
The pressure dependence of the Flory - Huggins interaction parameter of two binary polymer blends was investigated by small angle neutron scattering (SANS). We studied the polymer blends deutero -...
Janssen, S., Schwahn, D., Mortensen, K., Springer, T.
The pressure dependence of the Flory - Huggins interaction parameter of two binary polymer blends was investigated by small angle neutron scattering (SANS). We studied the polymer blends deutero -...
Janssen, S., Schwahn, D., Mortensen, K., Springer, T.
The pressure dependence of the Flory - Huggins interaction parameter of two binary polymer blends was investigated by small angle neutron scattering (SANS). We studied the polymer blends deutero -...
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Extraction of N* information from the limited p(gamma, K+)Lambda data set
Janssen, S., Ireland, D.G., Ryckebusch, J.
Nucleon resonance information is often obtained from fitting hadrodynamical model calculations to data, where model parameters such as resonance coupling constants are the free parameters in the...
Double pi0 photoproduction off the proton at threshold
Kotulla, M., Ahrens, J., Annand, J.R.M., Beck, R., Hornidge, D., Janssen, S., ...
The reaction gammap → pi(0)pi(0)p has been measured using the TAPS BaF2 calorimeter at the tagged photon facility of the Mainz Microtron accelerator. Chiral perturbation theory (ChPT) predicts that...
In-medium modifications of the ππ interaction in photon-induced reactions
Messchendorp, J.G., Janssen, S., Kotulla, M., Ahrens, J., Annand, J.R.H., Beck, R., ...
Differential cross sections of the reactions (gamma,pi(0)pi(0)) and (gamma,pi(0)pi(+/-)) have been measured for several nuclei (H-1,C-12, and Pb-nat) at an incident-photon energy of E-gamma=400-460...
A genetic algorithm analysis of N* resonances in p(gamma,K+) Lambda reactions
Ireland, D.G., Janssen, S., Ryckebusch, J.
The problem of extracting information on new and known N* resonances by fitting isobar models to photonuclear data is addressed. A new fitting strategy, incorporating a genetic algorithm, is...
Janssen, S, Schäfer, G, Anemüller, S, Moll, R
The sdh operon of Sulfolobus acidocaldarius DSM 639 is composed of four genes coding for the 63.1-kDa flavoprotein (SdhA), the 36.5-kDa iron-sulfur protein (SdhB), and the 32.1-kDa SdhC and 14.1-kDa...
Molecular epidemiology of apparent outbreak of invasive aspergillosis in a hematology ward.
Leenders, A, Van Belkum, A, Janssen, S, De Marie, S, Kluytmans, J, Wielenga, J, ...
During a 2-month period, five patients suffering from invasive infections caused by Aspergillus flavus or Aspergillus fumigatus were identified in the Hematology Department of the University Hospital...
Janssen, S, Schäfer, G, Anemüller, S, Moll, R
The sdh operon of Sulfolobus acidocaldarius DSM 639 is composed of four genes coding for the 63.1-kDa flavoprotein (SdhA), the 36.5-kDa iron-sulfur protein (SdhB), and the 32.1-kDa SdhC and 14.1-kDa...
Molecular epidemiology of apparent outbreak of invasive aspergillosis in a hematology ward.
Leenders, A, Van Belkum, A, Janssen, S, De Marie, S, Kluytmans, J, Wielenga, J, ...
During a 2-month period, five patients suffering from invasive infections caused by Aspergillus flavus or Aspergillus fumigatus were identified in the Hematology Department of the University Hospital...
Extraction of N* information from the limited p(gamma, K+)Lambda data set
Janssen, S., Ireland, D.G., Ryckebusch, J.
Nucleon resonance information is often obtained from fitting hadrodynamical model calculations to data, where model parameters such as resonance coupling constants are the free parameters in the...
Double pi0 photoproduction off the proton at threshold
Kotulla, M., Ahrens, J., Annand, J.R.M., Beck, R., Hornidge, D., Janssen, S., ...
The reaction gammap → pi(0)pi(0)p has been measured using the TAPS BaF2 calorimeter at the tagged photon facility of the Mainz Microtron accelerator. Chiral perturbation theory (ChPT) predicts that...
In-medium modifications of the ππ interaction in photon-induced reactions
Messchendorp, J.G., Janssen, S., Kotulla, M., Ahrens, J., Annand, J.R.H., Beck, R., ...
Differential cross sections of the reactions (gamma,pi(0)pi(0)) and (gamma,pi(0)pi(+/-)) have been measured for several nuclei (H-1,C-12, and Pb-nat) at an incident-photon energy of E-gamma=400-460...
A genetic algorithm analysis of N* resonances in p(gamma,K+) Lambda reactions
Ireland, D.G., Janssen, S., Ryckebusch, J.
The problem of extracting information on new and known N* resonances by fitting isobar models to photonuclear data is addressed. A new fitting strategy, incorporating a genetic algorithm, is...