Publikationen

Articles in refereed journals

1. R. Ewald et al.,
   Anomaly in the KS Σ+ photoproduction cross section off the proton at the K∗ threshold
   Phys. Lett. B 713 (2012) 180, [arxiv]
2. A. Thiel et al.,
   Well-established nucleon reconances revisited by double-polarization measurements,
   Phys.Rev.Lett. 109 (2012) 102001,  [.pdf]
3. A.V. Anisovich, R. Beck, E. Klempt , V.A. Nikonov, A.V. Sarantsev, and U. Thoma,
   Properties of baryon resonances from a multichannel partial wave analysis,
   
   Eur.Phys.J. A48 (2012) 15 [arxiv]
4. A.V. Anisovich 1,2, R. Beck 1 , E. Klempt 1 , V.A. Nikonov 1,2, A.V. Sarantsev 1,2, and U. Thoma 1
   Pion- and photo-induced transition amplitudes to ΛK, ΣK, and N η,
   
   Eur.Phys.J. A48 (2012) 88 [arxiv]
5. A.V. Anisovich, E. Klempt, V.A. Nikonov, A.V. Sarantsev, H. Schmieden, U. Thoma
   Evidence for a negative-parity spin-doublet of nucleon resonances at 1.88 GeV
   
   Phys.Lett. B711 (2012) 162-166 [arxiv]
6. A.V. Anisovich, E. Klempt, V.A. Nikonov, A.V. Sarantsev, U. Thoma,
   Evidence for a spin-quartet of nucleon resonances at 2 GeV,
   
   Phys.Lett. B711 (2012) 167-172 [arxiv]
7. M. Nanova et al.,
   Transparency ratio in γA → η ′ A′ and the in-medium η ′ width
   
   Phys.Lett. B710 (2012) 600-606 [arxiv]
   
   

1. A.V. Anisovich, E. Klempt, V.A. Nikonov, A.V. Sarantsev and U. Thoma
   P-wave excited baryons from pion- and photo-induced hyperon production
   Eur. Phys. J. A47:27,2011. [arxiv]
2. V. Crede et al.,
   Photoproduction of Neutral Pions off Protons
   Phys.Rev. C84 (2011) 055203 [arxiv]
3. M. Nanova et al.,
   Photoproduction of omega mesons on nuclei near the production threshold
   Eur.Phys.J. A47 (2011) 16 [.pdf]
4. I. Jaegle et al.,
   Quasi-free photoproduction of eta-mesons off the deuteron
   Eur. Phys. J. A47: 89 (2011) [.pdf]
   
5. I. Jaegle et al.,
   Photoproduction of etaprime mesons off the deuteron
   Eur. Phys. J. A47 (2011) 11[.pdf]
6. A.V. Anisovich, E. Klempt, V.A. Nikonov, A.V. Sarantsev, and U. Thoma
   Nucleon resonances in the fourth resonance region,
   Eur. Phys. J. A 47, 153 (2011) [arxiv]

1. M. Nanova et al.,
   In-medium ω mass from the γ + Nb → π 0 γ + X reaction
   Phys. Rev. C 82, 035209 (2010) [.pdf]
2. E. Gutz et al.,
   Photoproduction of meson pairs: First measurement of the polarization observable I s
   Physics Letters B 687 (2010) 11–15 [.pdf]
3. E. Klempt, J-M. Richard,
   Baryon Spectroscopy,
   Rev. Mod. Phys. 82 (2010) 1095 [.pdf]
4. N. Sparks et al.,
   Measurement of the Beam Asymmetry Sigma in the Forward Direction for gamma p -> p pi0 Photoproduction.
   Phys. Rev. C 81:065210 (2010) [.pdf]
5. A.V.Anisovich et.al.,
   Photoproduction of pions and properties of baryon resonances from a Bonn-Gatchina partial wave analysis.
   Eur. Phys. J. A 44 203-220 (2010) [.pdf]
   
   

1. Volker Crede et al.,
   Photoproduction of η and η ′ Mesons off Protons,
   Phys. Rev. C 80, 055202 (2009) [.pdf]
2. Daniel Elsner et al.,
   Linearly polarised photon beams at ELSA
   Eur. Phys. J A39 (3) (2009) 373. [.pdf]
3. A.V.Anisovich et.al.,
   Photoproduction of eta mesons off neutrons from a deuteron target.
   Eur. Phys. J. A 41:13-24 (2009) [.pdf]
4. A.V. Sarantsev, A.V. Anisovich, V.A. Nikonov and H. Schmieden
   Polarization degrees of freedom in near-threshold photoproduction of ω mesons in the π 0γ decay channel
   Eur.Phys.J. A39 (2009) 61-70  [arxiv]

1. Frank Klein et al.,
   Beam asymmetries in near-threshold omega photoproduction off the proton
   Physical Review D Vol.78, No.11 (2008) [arxiv]
2. Igor Horn et al.,
   Evidence for a Parity Doublet Δ(1920) P33 and Δ(1940) D33 from γp → pπ 0η
   Phys. Rev. Let 101 (2008) [.pdf]
3. Igor Horn et al.,
   Study of the reaction γp → pπ 0η
   Eur. Phys. J. A 38 (2008) 173 [arxiv]
4. Thierry Mertens et al.,
   Photoproduction of η-mesons off nuclei for Eγ ≤ 2.2 GeV
   Eur. Phys. J A 38 (2008) 195 [.pdf]
5. R. Siudak et al.,
   A threshold Cherenkov detector for K+/pi+ separation using silica aerogel
   Nucl. Instr. Meth. A596 (2008) 311–316 [spires]
6. Martin Kotulla et al.,
   Modification of the ω-Meson Lifetime in Nuclear Matter
   Phys.Rev.Lett. 100, 192302 (2008) [.pdf]
7. Mariana Nanova et al.,
   K0 pi0 Sigma+ and K*0 Sigma+ photoproduction off the proton
   Eur. Phys. J A 35 (2008) 333 [arxiv]
8. R. Castelijns et al.,
   Nucleon resonance decay by the K0Sigma channel,
   Eur. Phys. J A 35 (2008) 39 [arxiv]
9. E. Gutz, V. Sokhoyan, H. van Pee et al.,
   Measurement of the beam asymmetry Sigma in pi0 eta production off the proton with the CBELSA/TAPS experiment,
   Eur. Phys. J. A 35 (2008) 291  [.pdf]
10. I. Jaegle, T. Mertens et al.,
    Quasi-free photoproduction of eta-mesons off the neutron,
    Phys. Rev. Lett. 100:252002 (2008) [.pdf]
11. V.A. Nikonov, A.V. Anisovich, E. Klempt, A.V. Sarantsev, U. Thoma
    Further evidence for N(1900)P13 from photoproduction of hyperons,
    Phys. Lett. B 662 (2008) 245 [arxiv]
12. A.V. Sarantsev, M. Fuchs, M. Kotulla, U. Thoma et al.,
    New results on the Roper resonance and the P11 partial wave,
    Phys. Lett. B 659 (2008) 94 [arxiv]
13. U. Thoma, M. Fuchs et al.,
    N* and Δ* decays into Nπ0π0,
    Phys. Lett. B 659 (2008) 87 [arxiv]
14. H. Forkel, E. Klempt,
    Diquark correlations in baryon spectroscopy and holographic QCD
    arXiv:0810.2959 [.pdf]
15. E. Klempt, M. Matveev, A.V. Sarantsev,
    Further study of D+s decays into π −π + π +,
    Eur. Phys. J. C 55, 39–50 (2008) [arxiv]
16. E. Klempt,
    Delta resonances, Quark models, chiral symmetry and AdS/QCD,
    
    Eur.Phys.J. A38 (2008) 187-194 [arxiv]
    
    

1. A. V. Anisovich et al.,
   Baryon-baryon and baryon-antibaryon interaction amplitudes in the spin-momentum operator expansion method,
   Eur. Phys. J. A 34 (2007) 129 [spires]
2. A. V. Anisovich et al.,
   Baryon resonances and polarization transfer in hyperon photoproduction,
   Eur. Phys. J. A 34 (2007) 243 [.pdf]
3. O. Bartholomy et al.,
   Photoproduction of eta-mesons off protons,
   Eur. Phys. J. A 33 (2007) 133 [spires]
4. D. Elsner et al.,
   Measurement of the beam asymmetry in η photoproduction off the proton
   Eur. Phys. J. A 33 (2007) 147 [.pdf]
5. J. Junkersfeld et al.,
   Photoproduction of π0 ω off protons for E γ ≤ 3 GeV,
   Eur. Phys. J. A 31 (2007) 365 [.pdf]
6. E. Klempt, A. Zaitsev,
   Glueballs, Hybrids, Multiquarks. Experimental facts versus QCD inspired concepts
   Phys. Rept. 454 1-202 (2007) [.pdf]
7. H. van Pee et al.,
   Photoproduction of π0-mesons off protons from the Δ(1232) region to E γ=3 GeV,
   Eur. Phys. J. A 31 (2007) 61 [.pdf]

1. A. V. Anisovich and A. V. Sarantsev,
   Partial decay widths of baryons in the spin-momentum operator expansion method,
   Eur. Phys. J. A 30 (2006) 427 [.pdf]
2. W. Hillert
   The Bonn Electron Stretcher Accelerator ELSA: Past and future,
   Eur. Phys. J. A 28 (2006) 139 [spires]
3. E. Klempt, A. V. Anisovich, V. A. Nikonov, A. V. Sarantsev and U. Thoma,
   Phase Motion Of Baryon Resonances,
   Eur. Phys. J. A 29 (2006) 307 [spires]
4. E. Klempt,
   Hadron Spectroscopy and Strong QCD,
   International Journal of Modern Physics A Vol. 21, No. 4 (2006) 739–746 [spires]

1. A. Anisovich, A. Sarantsev, O. Bartholomy, E. Klempt, V. A. Nikonov and U. Thoma
   Photoproduction of baryons decaying into N π and N η,
   Eur. Phys. J. A 25 (2005) 427 [.pdf]
2. A. Anisovich, E. Klempt, A.Sarantsev and U. Thoma
   Partial wave decomposition of pion and photoproduction amplitudes,
   Eur. Phys. J. A 24 (2005) 111. [.pdf]
3. O. Bartholomy et al.,
   Neutral-pion photoproduction off protons in the energy range 0.3 GeV <  E _γ < 3 GeV ,
   Phys. Rev. Lett. 94 (2005) 012003.   [.pdf]
4. V. Credé et al.,
   Photoproduction of η mesons off protons for 0.75 GeV < E _γ < 3 GeV ,
   Phys. Rev. Lett. 94 (2005) 012004.   [.pdf]
5. A. V. Sarantsev, V. A. Nikonov, A. V. Anisovich, E. Klempt and U. Thoma,
   Decays of baryon resonances into ΛK+, Σ0K+ and Σ+K0,
   Eur. Phys. J. A 25 (2005) 441 [.pdf]
6. G. Suft et al.,
   A scintillating fibre detector for the Crystal Barrel experiment at ELSA ,
   Nucl. Inst. Meth. A 538 (2005) 416.  [spires]
7. D. Trnka et al.,
   Observation of in-medium modifications of the ω meson ,
   Phys. Rev. Lett. 94 (2005) 192303.  [.pdf]
8. E. Klempt,
   Hadron Spectroscopy Without Constituent Glue,
   International Journal of Modern Physics A Vol. 20, Nos. 8 & 9 (2005) 1720–1727 [.pdf]
9. E. Klempt, Ch. Batty, J-M. Richard,
   The Anitnucleon–Nucleon Interaction at Low Energy: Annihilation Dynamics
   Phys. Rept. 413: 197-317 (2005) [.pdf]
   
   

1. C. Amsler et al.,
   Production and decay of η (958) and η(1440) in p pbar annihilation at rest,
   Eur. Phys. J. C 33, 23–30 (2004) [spires]

1. E. Klempt,
   Do parity doublets in the baryon spectrum reflect restoration of chiral symmetry?
   Eur. Phys. J. B 559 (2003) 155 [.pdf]
2. C. Amsler et al.,
   Annihilation at rest of antiprotons and protons into neutral particles,
   Nuclear Physics A 720 (2003) 357–367 [spires]
3. S. U. Chung, E. Klempt,
   Vector mesons in q qbar q qbar systems
   Phys. Lett. B 563: 83-86 (2003) [.pdf]

1. E. Klempt,
   Mass formula for baryon resonances,
   Phys. Rev. Lett. C 66, 058201 [.pdf]
2. E. Klempt, F. Bradamante, A. Martin, J.M. Richard,
   Antinucleon nucleon interaction at low energy: Scattering and protonium,
   Phys. Rept., 368 119 (2002) [.pdf]
3. E. Klempt,
   Baryon resonances and strong QCD,
   arXiv:nucl-ex/0203002v1 [.pdf]
4. C. Amsler et al.,
   Comment on ‘‘Protonium annihilation into pi0 pi0 at rest in a liquid hydrogen target’’,
   Physical Review D 66, 058101 2002 [spires]
5. S.U. Chung, E. Klempt, and J.G. Koerner
   SU(3) classification of p-wave ηπ and η π systems,
   Eur. Phys. J. A 15, 539–542 (2002) [.pdf]
   
   

1. E. Aker et al.,
   The Crystal Barrel spectrometer at LEAR,
   Nucl. Instr. Meth. A321 (1992) 69. [.pdf]
   

Conference proceedings

• A. Anisovich,
  Status of the Bonn-Gatchina partial wave analysis,
  AIP Conf.Proc.1257, 597-601 (2010) [.pdf]
• R. Ewald
  Photoproduction of Sigma+Ks0 with the CBELSA/TAPS-setup
  AIP Conf.Proc.1257, 566-570 (2010) [.pdf]
• E. Gutz,
  Measurement of the single polarization observables I^c and I^s in pi0eta photoproduction
  AIP Conf.Proc.1257, 581-585 (2010) [.pdf]
• E. Klempt
  Baryon Spectroscopy and the Origin of Mass
  AIP Conf.Proc.1257,3-10 (2010) [.pdf]
• B. Krusche
  Meson Photoproduction off the Deuteron and off 3He
  AIP Conf.Proc.1257, 149-156 (2010) [.pdf]
• M. Nanova
  In-medium modifications of the omega meson
  AIP Conf.Proc.1257, 705-709 (2010) [.pdf]
• N. Sparks
  Beam Asymmetries in pi0 Photoproduction on the Proton
  AIP Conf.Proc.1257, 591-596 (2010) [.pdf]
• A. Thiel
  Measurement of the double polarization observable G in pi0- and eta-photoproduction
  AIP Conf.Proc.1257, 602-606 (2010) [.pdf]
• U. Thoma
  Baryon spectroscopy: Recent results from the Crystal Barrel/TAPS experiment at ELSA
  AIP Conf.Proc.1257, 173-180 (2010) [.pdf]
• A. Wilson
  Helicity Beam Asymmetry I^circ in Two Neutral Pseudoscalar Photoproduction Reactions at the Crystal Barrel Experiment
  AIP Conf.Proc.1257, 607-611 (2010) [.pdf]
• I. Jaegle
  The Search for Missing Resonances: the Neutron Anomaly
  MENU2010 [.pdf]
  
  

• Ch. Wendel,
  Current Status of the CsI(Tl) Calorimeters,
  Journal of Physics: Conference Series 160 (2009) 012006 [.pdf]

1. M. Eberhardt,
   The 50 keV Source of Polarized Electrons at ELSA: Past and Future,
   AIP Conf. Proc. 915, 1031-1036 (2007) [.pdf]
2. E. Klempt,
   Exotic mesons: Status and future,
   12th International Conference on Hadron Spectroscopy (Hadron 07), Frascati, Italy, 8-13 Oct 2007 [.pdf]

1. B. Krusche
   Photoexcitation of Baryon Resonances on Nucleons an Nuclei ,
   QNP 06, Madrid, Spain, 5 - 10 Jun 2006  [.ps]

1. E. Klempt,
   Glueballs, hybrids, baryons and pentaquarks: Hadron05 summary on light-quark spectroscopy.
   11th International Conference on Hadron Spectroscopy (Hadron05), Rio de Janeiro, Brazil, 21-26 Aug 2005 [.pdf]
2. U. Thoma,
   Recent results from the Crystal Barrel experiment at ELSA ,
   NSTAR 05, Tallahasse, USA,  12 - 15 Oct 2005   [.pdf]
3. M. Fuchs,
   Photoproduction of neutral pion pairs off the proton with the Crystal Barrel detector at ELSA ,
   NSTAR 05, Tallahasse, USA,  12 - 15 Oct 2005   [.pdf]

1. O. Bartholomy [CB-ELSA Collaboration],
   Photoproduction of π ⁰ and η mesons off protons at CB-ELSA ,
   NSTAR 04, Grenoble, France, 24-27 Mar 2004,
   World Scientific, Proceedings of the Workshop on the Physics of Excited Nucleons, (2004) 293,
   Eds. J.-P. Bocquet, V. Kuznetsov, D. Rebreyend.  [.pdf]
2. E. Klempt [CB-ELSA Collaboration],
   The Glueball candidate eta(1440) as eta radial excitation,
   32nd International Conference on High-Energy Physics (ICHEP 04), Beijing, China, 16-22 Aug 2004. [.pdf]
3. E. Klempt [CB-ELSA Collaboration],
   Glueballs, Hybrids, Pentaquarks,
   HSQCD 2004, Hadron Structure and QCD: from LOW to HIGH energies, St. Petersburg, Repino, Russia, 18-22 May 2004 [.pdf]
4. M. Kotulla [CBELSA/TAPS Collaboration],
   η and η' photoproduction off the nucleon ,
   MESON 04, Krakow, Poland, 4-8 Jun 2004,
   World Scientific, Proceedings of the Workshop on Meson Production, Properties, and Interactions, (2005), Int. J. Mod. Phys. A 20 (2005) 690,
   Eds.  S. Kistryn, A. Magiera, H. Machner, C. Guaraldo.  [.pdf]
5. U. Thoma,
   2π-photoproduction ,
   MESON 04, Krakow, Poland, 4-8 Jun 2004,
   World Scientific, Proceedings of the Workshop on Meson Production, Properties, and Interactions, (2005), Int. J. Mod. Phys. A 20 (2005) 280,
   Eds.  S. Kistryn, A. Magiera, H. Machner, C. Guaraldo.   [.pdf]
6. U. Thoma,
   The search for missing baryon resonances ,
   EFB 19, Groningen, The Netherlands, 23-27 Aug 2004,  
   To appear in the proceedings of 19th European Few-Body Conference on Problems in Physics .  [.pdf]
7. U. Thoma,
   Physics at ELSA, achievements and future ,
   MENU04, Beijing, China,  29 Aug - 4 Sep 2004 ,  
   World Scientific, Proceedings of the 10th International Symposium on Meson-Nucleon Physics and the Structure of the Nucleon,  Int. J. Mod. Phys. A 20 (2005)1531,  
   Ed.  H.-C. Chiang.  [.pdf]

1. V. Credé [CB-ELSA Collaboration],
   Investigation of γp -> pπ ⁰η at ELSA in Bonn ,
   SENDAI 03,  Sendai, Japan, 16-18 Jun 2003,
   World Scientific, Proceedings of the  International Symposium on Electrophoto Production of Strangeness on Nucleons and Nuclei, (2004) 158,
   Eds.  K. Maeda, H. Tamura, S. N. Nakamura, O. Hashimoto . [.pdf]

2. O. Bartholomy [CB-ELSA Collaboration],
   Single π ⁰ and η photoproduction off the proton at CB-ELSA ,
   HADRON 03, Aschaffenburg, Germany,  31 Aug - 6 Sep 2003,
   AIP Conf. Proc. 717 (2004) 255,
   Eds. E. Klempt, H. Koch, H. Orth. [.pdf]

3. V. Credé [CB-ELSA Collaboration],
   Investigation of γp -> pπ ⁰η at ELSA in Bonn ,
   HADRON 03, Aschaffenburg, Germany,  31 Aug - 6 Sep 2003,
   AIP Conf. Proc. 717 (2004) 236,
   Eds. E. Klempt, H. Koch, H. Orth. [.pdf]

4. E. Klempt,
   Glueballs, Hybrids, Pentaquarks,
   18th Annual Hampton University Graduate Studies 2003 [.pdf]

1. V. Credé [CB-ELSA Collaboration],
   Photoproduction of γp -> pπ ⁰η at ELSA in Bonn ,
   NSTAR 02, Pittsburgh, Pennsylvania, 9-12 Oct 2002 ,
   World Scientific, Proceedings of the Workshop on the Physics of Excited Nucleons, (2002) 240,
   Eds.  S. A. Dytman and E. S. Swanson.   [.pdf]

1. U. Thoma [CB-ELSA Collaboration],
   Hadron physics at ELSA with the Crystal Barrel ,
   Hirschegg'01, Hirschegg, Austria,  14-20 Jan 2001,
   Hirschegg 2001, Structure of hadrons, 193.   [.pdf]
2. V. Credé [CB-ELSA Collaboration],
   Open questions in baryon spectroscopy ,
   HADRON 01, Protvino, Russia, 25 Aug - 1 Sep 2001,
   AIP Conf. Proc.  619 (2002) 277,
   Eds.  D. Amelin and A. M. Zaitsev.   [.pdf]
3. J. Junkersfeld [CB-ELSA Collaboration],
   Photoproduction of baryon resonances: First results of the Crystal Barrel experiment at ELSA ,
   6th TAPS Workshop, Krzyze, Poland, 9-13 Sep 2001,
   Acta Phys. Polon. B 33 (2002) 941,
   Ed. T. Matulewicz.   [.pdf]
4. E. Klempt [CB-ELSA Collaboration],
   HADRON 2001 summary: Experiment,
   Hadron 2001, Protvino, Russia, 25 Aug - 1 Sep 2001
   AIP Conf. Proc. 619: 463-481, 2002 [.pdf]
   
   

1. E. Klempt
   Meson Spectroscopy: Glueballs, Hybrids and QQbar Mesons,
   PSI Zuoz Summer School 2000 [.ps]

1. E. Klempt,
   Glueballs, Hybrids and the Standard Model: Hadron ’97 Summary (Experiment),
   HADRON97, Upton, NY, 25-30 Aug 1997 [.pdf]