Publications of Thomas Sefzick


Diploma Thesis



PhD Thesis



Papers


  1. 'A System for Simulation of Scintillator Light Signals'
    T.Sefzick, K.Kilian, W.Oelert, G.Wienands
    Nucl.Inst.and Meth. A 288 (1990) 571

  2. 'A three layer circular scintillator hodoscope'
    M.Dahmen et al.
    Nucl.Inst.and Meth. A 348 (1994) 97

  3. 'Study of the Reaction pbar p -> Lambdabar Lambda below 6 MeV Excess Energy'
    P.D.Barnes et al.
    Phys.Lett. B 331 (1994) 203-210

  4. 'Observation of Phi Phi production in the reaction pbar p -> 4 K+- at 1.4 GeV/c incident pbar momentum'
    L.Bertolotto et al.
    Phys.Lett. B 345 (1995) 325-334

  5. 'Weak strangeness production in nucleon-nucleon scattering'
    J.Haidenbauer, K.Holinde, K.Kilian, T.Sefzick
    Phys.Rev. C 52 (1995) 3496-3498

  6. 'Production of antihydrogen'
    G.Baur et al.
    Phys.Lett. B 368 (1996) 251-258

  7. 'Erstmaliger Nachweis von Antiwasserstoff'
    K.Sachs, T.Sefzick, W.Oelert, G.Baur
    Spektrum der Wissenschaft 3/1996, 24-28

  8. 'COSY-11, an internal experimental facility for threshold measurements'
    S.Brauksiepe et al.
    Nucl.Inst.and Meth. A 376 (1996) 397-410

  9. 'Detector setup for a storage ring with an internal target'
    H.Calén et al.
    Nucl.Inst.and Meth. A 379 (1996) 57-75

  10. 'Observables in high-statistics measurements of the reaction pbar p -> Lambdabar Lambda'
    P.D.Barnes et al.
    Phys.Rev. C 54 (1996) 1877-1868

  11. 'Measurement of the pbar p -> Lambdabar Lambda and pbar p -> Sigmabar0 Lambda + c.c. reactions at 1.726 and 1.771 GeV/c'
    P.D.Barnes et al.
    Phys.Rev. C 54 (1996) 2831-2842

  12. 'Lambda-Hyperon Production via the p p -> p K+ Lambda Reaction 2 MeV above Threshold'
    J.Balewski et al.
    Phys.Lett. B 388 (1996) 859-865

  13. 'Measurement of the reactions pbar p -> Sigmabar+ Sigma+ and pbar p -> Sigmabar- Sigma- close to threshold'
    P.D.Barnes et al.
    Phys.Lett. B 402 (1997) 227-236

  14. 'Observation of antihydrogen production in flight at CERN'
    G.Baur et al.
    Nucl.Inst.and Meth. A 391 (1997) 201-204

  15. 'Search for narrow pbar p resonances in the reaction pbar p -> pbar p pi+ pi-'
    A.Buzzo et al.
    Z.Phys. C 76 (1997) 475-478 (Password)

  16. 'Measurement of the Quasifree p+n->d+eta Reaction near Threshold'
    H.Calén et al.
    Phys.Rev.Lett. 79 (1997) 2642-2645

  17. 'Total Cross Section of the Reaction p p -> p K+ Lambda Close to Threshold'
    J.Balewski et al.
    Phys.Lett. B 420 (1998) 211-216 (download)

  18. 'Theshold Structure of the Quasifree p+n->d+eta Reaction'
    H.Calén et al.
    Phys.Rev.Lett. 80 (1998) 2069-2072

  19. 'Close to Threshold eta' Production in Proton-Proton Scattering'
    P.Moskal et al.
    Phys.Rev.Lett. 80 (1998) 3202-3205

  20. 'Low-Energy Lambda-p Scattering Parameters from the pp->pK+Lambda Reaction'
    J.Balewski et al.
    Eur.Phys.Jou. A 2 (1998) 1, 99-104 (Password)

  21. 'Measurement of the quasifree pn->pn eta reaction'
    H.Calén et al.
    Phys.Rev. C 58 (1998) 2667-2670

  22. 'Comparison of Lambda and Sigma0 Production at Threshold in Proton-Proton Collisions'
    S.Sewerin et al.
    Phys.Rev.Lett. 83 (1999) 682-685

  23. 'Higher partial waves in pp->pp eta near threshold'
    H.Calén et al.
    Phys.Lett. B 458 (1999) 190-196

  24. 'Near-Threshold eta Meson Production in Proton-Proton Collisions'
    J.Smyrski et al.
    Phys.Lett. B 474 (2000) 182-187

  25. 'Energy Dependence of the Near-Threshold Total Cross-Section for the pp->pp eta' Reaction'
    P.Moskal et al.
    Phys.Lett. B 474 (2000) 416-422

  26. 'S-wave eta'-proton FSI; phenomenological analysis of near-threshold production of pi0, eta, and eta' mesons in proton-proton collisions'
    P.Moskal et al.
    Phys.Lett. B 482 (2000) 356-362

  27. 'First positron cooling of antiprotons'
    G.Gabrielse et al.
    Phys.Lett. B 507 (2001) 1-6

  28. 'Monitoring of the accelerator beam distributions for internal target facilities'
    P.Moskal et al.
    Nucl.Inst.& Meth. A 466 (2001) 448-455

  29. 'Near Threshold K+K- Meson-Pair Production in Proton-Proton Collisions'
    C.Quentmeier et al.
    Phys.Lett. B 515 (2001) 276-282

  30. 'On the close to threshold meson production in neutron-neutron collisions'
    P.Moskal et al.
    Phys.Lett. B 517 (2001) 295-298


Preprints


  1. 'Hyperon-antihyperon production at LEAR'
    P.D.Barnes et al.
    Preprint, CERN, Geneva, Switzerland, CERN-PPE-90-146 (1990)

  2. 'Observation of Phi Phi production in the reaction pbar p -> 4 K± at 1.4 GeV/c incident pbar momentum'
    L.Bertolotto et al.
    Preprint, CERN, Geneva, Switzerland, CERN-PPE-94-221 (1994)

  3. 'COSY-11 - an Internal Experimental Facility for Threshold Measurements'
    S.Brauksiepe et al.
    Preprint, IKP I, Forschungszentrum Jülich, Germany, KFA-IKP(I)-1995-1

  4. 'Weak Strangeness Production in Nucleon-Nucleon Scattering'
    J.Haidenbauer et al.
    Preprint, Department of Physics and Mathematical Physics, University of Adelaide, Austalia, ADP-95-17/T178

  5. 'Detector Setup for a Cooler Storage Ring with an Internal Target' (figures)
    H.Calén et al.
    Preprint, The Svedberg Laboratory, Uppsåla University, Sweden, TSL/ISV-95-0117

  6. 'The p p -> p p eta reaction near the kinematical threshold'
    H.Calén et al.
    Preprint, The Svedberg Laboratory, Uppsåla University, Sweden, TSL/ISV-95-0124

  7. 'Production of Antihydrogen'
    G.Baur et al.
    Preprint, IKP, Forschungszentrum Jülich, KFA-IKP(I)-1996-1

  8. 'Lambda-Hyperon Production via the p p -> p K+ Lambda Reaction 2 MeV above Threshold'
    J.Balewski et al.
    Preprint, IKP I, Forschungszentrum Jülich, Germany, KFA-IKP(I)-1996-3

  9. 'Meson Production in Light Ion Collisions at CELSIUS'
    T.Johansson et al.
    Preprint, The Svedberg Laboratory, Uppsåla University, Sweden, TSL/ISV-96-0155

  10. 'Measurement of the quasi-free p+n->d+eta reaction near threshold' (figures)
    H.Calén et al.
    Preprint, The Svedberg Laboratory, Uppsåla University, Sweden, TSL/ISV-96-0156

  11. 'Observables in high-statistics measurments of the reaction pbar p -> Lambdabar Lambda'
    P.D.Barnes et al.
    Preprint, CERN, Geneva, Switzerland, CERN-PPE-96-058 (1996)

  12. 'Production of antihydrogen'
    G.Baur et al.
    Preprint, CERN, Geneva, Switzerland, CERN-OPEN-96-001 (1996)

  13. 'Threshold Structure of the Quasi-Free p + n -> d + eta Reaction'
    H.Calén et al.
    Preprint, The Svedberg Laboratory, Uppsåla University, Sweden, TSL/ISV-97-0181

  14. 'Eta Meson Production in Light Ion Collisions at CELSIUS'
    T. Johansson et al.
    Preprint, The Svedberg Laboratory, Uppsåla University, Sweden, TSL/ISV-97-0184

  15. 'A measurement of the pbar p -> Lambdabar Lambda and pbar p -> Sigmabar0 Lambda + c.c. reactions at 1.726 and 1.771 GeV/c'
    P.D.Barnes et al.
    Published Reprint, CERN, Geneva, Switzerland, P-97-07-051 (1996)

  16. 'Total Cross Section of the Reaction p p -> p K+ Lambda Close to Threshold'
    J.Balewski et al.
    Preprint, IKP I, Forschungszentrum Jülich, Germany, KFA-IKP(I)-1997-1

  17. 'Close to Threshold eta' Production in Proton-Proton Scattering'
    P.Moskal et al.
    Preprint, IKP I, Forschungszentrum Jülich, Germany, KFA-IKP(I)-1997-2

  18. 'Low-Energy Lambda-p Scattering Parameters from the pp->pK+Lambda Reaction'
    J.Balewski et al.
    Preprint, IKP I, Forschungszentrum Jülich, Germany, KFA-IKP(I)-1998-2

  19. 'Comparison of Lambda and Sigma0 Threshold Production in Proton-Proton Collisions'
    S.Sewerin et al.
    Preprint, IKP I, Forschungszentrum Jülich, Germany, KFA-IKP(I)-1998-3

  20. 'Higher Partial Waves in p+p->p+p+eta near Threshold'
    H.Calen et al.
    Preprint, The Svedberg Laboratory, Uppsåla University, Sweden, TSL/ISV-98-0198


Published Talks and Conference Contributions


  1. 'Search for antihydrogen at LEAR'
    Proc. of the International Conference on Physics with GeV-Particle Beams,
    Forschungszentrum Jülich, Jülich, Germany, August 1994,
    eds. H.Machner and K.Sistemich,
    World Scientific, Singapore, 1995, p.543-546


Published Talks and Conference Contributions by Collaboration Partners


  1. 'Hyperon-antihyperon production at LEAR'
    P.D.Barnes et al.
    Proc. of the 1st Biennial Conference on Low-energy Antiproton Physics (LEAP 90),
    Stockholm, Sweden, 2-6 July 1990,
    eds. P.Carlson, A.Kerek, S.Szilagyi,
    'Low energy antiproton physics', World Scientific, Singapore, 1991, p.192-204

  2. 'Investigation of the reaction pbar p -> Lambdabar Lambda close to threshold at LEAR'
    P.D.Barnes et al.
    Proc. of the 9th International Symposium on High-energy Spin Physics,
    Bonn, FR Germany, 6-15 September 1990,
    eds. K-H.Althoff, W.Meyer,
    'High energy spin physics', Springer, Berlin, 1991, p.536-541

  3. 'Feasibility of CP-invariance test in Ybar Y production'
    P.D.Barnes et al.
    Proc. of the 9th International Symposium on High-energy Spin Physics,
    Bonn, FR Germany, 6-15 September 1990,
    eds. K-H.Althoff, W.Meyer,
    'High energy spin physics', Springer, Berlin, 1991, p.597-599

  4. 'From pbar p -> Lambdabar Lambda to pbar p -> Sigmabar+- Sigma+- with PS185 at LEAR'
    P.D.Barnes et al.
    Proc. of the 2nd Biennial Conference on Low-energy Antiproton Physics (LEAP 92),
    Courmayeur, Italy, 14-19 September 1992,
    eds. C.Guaraldo, F.Iazzi, A.Zenoni,
    Nucl.Phys. A 558 (1993) 277c-286c

  5. 'Studies of eta and eta' Measurements with the Time Of Flight Spectrometer at COSY'
    E.Roderburg et al.
    Act.Phys.Pol. B 24 (1993) 1629

  6. 'Production of Antihyperon-Hyperon Pairs at LEAR'
    P.D.Barnes et al.
    Proc. of the 14th European Conference on Few-Body Problems in Physics,
    Amsterdam, The Netherlands, 23-27 August 1993,
    eds. B.L.G.Bakker, R.van Dantzig,
    Few-Body Systems, Suppl.7 (1994) 22

  7. 'Study of threshold production of pbar p -> Ybar Y at PS 185'
    W.Eyrich et al.
    Proc. of the 3rd Biennial Conference on Low-energy Antiproton Physics (LEAP 94),
    Bled, Slovenia, 12-17 September 1994,
    eds. G.Kernel, P.Krizan, M.Mikuz,
    World Scientific, Singapore, 1995, p.309-318

  8. 'Exclusive Phi Phi production in pbar p annihilation at PS202'
    R.T.Jones et al.
    Proc. of the 3rd Biennial Conference on Low-energy Antiproton Physics (LEAP 94),
    Bled, Slovenia, 12-17 September 1994,
    eds. G.Kernel, P.Krizan, M.Mikuz,
    World Scientific, Singapore, 1995, p.326-335

  9. 'Search for f4(2230)/Sigma(2230) in pbar p annihilations at PS202'
    S.Passaggio et al.
    Proc. of the 3rd Biennial Conference on Low-energy Antiproton Physics (LEAP 94),
    Bled, Slovenia, 12-17 September 1994,
    eds. G.Kernel, P.Krizan, M.Mikuz,
    World Scientific, Singapore, 1995, p.336-345

  10. 'Search for antihydrogen at LEAR'
    G.Baur et al.
    Proc. of the 3rd Biennial Conference on Low-energy Antiproton Physics (LEAP 94),
    Bled, Slovenia, 12-17 September 1994,
    eds. G.Kernel, P.Krizan, M.Mikuz,
    World Scientific, Singapore, 1995, p.579-582

  11. 'Threshold measurements at the experiment COSY-11'
    D.Grzonka et al.
    Proc. of the International Conference on Physics with GeV-Particle Beams,
    Forschungszentrum Jülich, Jülich, Germany, August 1994,
    eds. H.Machner and K.Sistemich,
    World Scientific, Singapore, 1995, p.560 ff.

  12. 'Phi Phi associated production in pbar p annihilation from Jetset'
    L.Bertolotto et al.
    Proc. of the 3rd International Conference on Nucleon-Antinucleon Physics (NAN 95),
    Moscow, Russia, 11-16 September 1995,
    eds. Y.Kalashnikova, L.Kondratyuk, A.Kudryavtsev, N.Smorodinskaya,
    Phys.At.Nucl. 59 (1996) 1444-1449

  13. 'Antihyperon-hyperon production in the threshold region at LEAR'
    P.D.Barnes et al.
    Proc. of the 3rd International Conference on Nucleon-Antinucleon Physics (NAN 95),
    Moscow, Russia, 11-16 September 1995,
    eds. Y.Kalashnikova, L.Kondratyuk, A.Kudryavtsev, N.Smorodinskaya,
    Phys.At.Nucl. 59 (1996) 1460-1466

  14. 'Search for antihydrogen at LEAR'
    G.Baur et al.
    Proc. of the 3rd International Conference on Nucleon-Antinucleon Physics (NAN 95),
    Moscow, Russia, 11-16 September 1995,
    eds. Y.Kalashnikova, L.Kondratyuk, A.Kudryavtsev, N.Smorodinskaya,
    Phys.At.Nucl. 59 (1996) 1509-1513

  15. 'An investigation of the pbar p -> Lambdabar Lambda and pbar p -> Sigma0bar Lambda + c.c. reactions near threshold'
    P.D.Barnes et al.
    Proc. of the 7th International Conference on the Structure of Baryons (Baryons 95),
    Santa Fe, CA, USA, 3-7 October 1995,
    eds. B.F.Gibson, P.D.Barnes, J.B.McClelland, W.Weise,
    World Scientific, Singapore, 1996, p.381 ff.

  16. 'Meson production in p+p interaction at threshold'
    J.T.Balewski et al.
    Meson'96 Workshop, Kraków, 10-14 May 1996
    Act.Phys.Pol. B 27 (1996) 2911-2924

  17. 'Observation of antihydrogen production in flight at CERN'
    G.Baur et al.
    Proc. of the International Workshop on Antimatter Gravity and Antihydrogen Spectroscopy,
    Sepino (CB) Molise, Italy, 19-25 May 1996,
    eds. M.Holzscheiter,
    Hyperfine Interactions 109 (1997) 191-203

  18. 'Antihyperon-hyperon production in pbar p annihilations near the reaction threshold'
    P.D.Barnes et al.
    Proc. of the Fourth Biennial Conference on Low Energy Antiproton Physics (LEAP 96),
    Dinkelsbühl, Germany, 27-31 August 1996,
    eds. H.Koch, M.Kunze, K.Peter,
    Nucl.Phys B (Proc.Suppl.) 56A (1997) 46-51

  19. 'Phi Phi Excitation function at LEAR'
    L.Bertolotto et al.
    Proc. of the Fourth Biennial Conference on Low Energy Antiproton Physics (LEAP 96),
    Dinkelsbühl, Germany, 27-31 August 1996,
    eds. H.Koch, M.Kunze, K.Peter,
    Nucl.Phys B (Proc.Suppl.) 56A (1997) 256-261

  20. 'Proton-antiproton annihilation into neutral strange mesons'
    L.Bertolotto et al.
    Proc. of the Fourth Biennial Conference on Low Energy Antiproton Physics (LEAP 96),
    Dinkelsbühl, Germany, 27-31 August 1996,
    eds. H.Koch, M.Kunze, K.Peter,
    Nucl.Phys B (Proc.Suppl.) 56A (1997) 291-295

  21. 'Production of Anti-Hydrogen at CERN'
    W.Oelert et al.
    Proc. of the Fourth Biennial Conference on Low Energy Antiproton Physics (LEAP 96),
    Dinkelsbühl, Germany, 27-31 August 1996,
    eds. H.Koch, M.Kunze, K.Peter,
    Nucl.Phys B (Proc.Suppl.) 56A (1997) 319-325

  22. 'Production of antihydrogen in relativistic collisions'
    G.Baur et al.
    Proc. of the 11th International Advanced ICFA Beam Dynamic Workshop on Beam Cooling and Instability Damping,
    Moscow - Nizhny Novgorod, June 18-26, 1996,
    Nucl.Inst.and Meth. A 391 (1997) 201-204

  23. 'Meson production in light ion collisions at CELSIUS'
    T.Johansson et al.
    Proc. of the 3rd International Conference on Nuclear Physics at Storage Rings (STORI 96),
    Bernkastel-Kues, Germany, Sept 30 - Oct 4, 1996,
    Nucl.Phys. A 626 (1997) 29c-40c

  24. 'Threshold Measurements at the Internal Experimental Facility COSY-11'
    J.Balewski et al.
    Proc. of the 3rd International Conference on Nuclear Physics at Storage Rings (STORI 96),
    Bernkastel-Kues, Germany, Sept 30 - Oct 4, 1996,
    Nucl.Phys. A 626 (1997) 85c-92c

  25. 'The CELSIUS/WASA Facility'
    R.Bilger et al.
    Proc. of the NATO Advanced Research Workshop Krzyze, Poland, Sept 2 -4, 1999,
    Act.Phys.Pol. B 31 (2000) 77-80

  26. 'Near Threshold Hyperon-Production at COSY-11 in the Reactions pp->pK+Lambda and pp->pK+Sigma0'
    S.Sewerin et al.
    15th Particles and Nuclei International Conference (PANIC 99), Uppsala, Sweden, June 10-16, 1999
    Nucl.Phys. A 663-664 (2000) 473-476

  27. 'Hyperon polarisation in the reaction pbar ^C12->Lambdabar Lambda X'
    S.Pomp et al.
    15th Particles and Nuclei International Conference (PANIC 99), Uppsala, Sweden, June 10-16, 1999
    Nucl.Phys. A 663-664 (2000) 489-492

  28. 'Near Threshold Production of eta, eta' and Charged Kaon Pairs in Proton-Proton Collisions'
    A.Khoukaz et al.
    15th Particles and Nuclei International Conference (PANIC 99), Uppsala, Sweden, June 10-16, 1999
    Nucl.Phys. A 663-664 (2000) 565-568

  29. 'The WASA detector at CELSIUS'
    R.Bilger et al.
    15th Particles and Nuclei International Conference (PANIC 99), Uppsala, Sweden, June 10-16, 1999
    Nucl.Phys. A 663-664 (2000) 1073-1076

  30. 'Heavy meson production at COSY-11'
    P.Moskal et al.
    4th International Conference on Physics at Storage Rings (STORI 99), Bloomington, Indiana, USA, September 12-16, 1999
    AIP Conference Proceedings 512, Melville, NY, 2000, ISBN 1-56396-928-9, p.65-80

  31. 'Hyperon and Charged Kaon Pair Production Close to Threshold'
    M.Wolke et al.
    4th International Conference on Physics at Storage Rings (STORI 99), Bloomington, Indiana, USA, September 12-16, 1999
    AIP Conference Proceedings 512, Melville, NY, 2000, ISBN 1-56396-928-9, p.143-156

  32. 'Proton-proton Collisions at Production Thresholds'
    P.Moskal et al.
    Meson'2000 Workshop, Kraków, Poland, May 19-23, 2000
    Act.Phys.Pol. B 31 (2000) 2277-2284

  33. 'Influence of the stochastically cooled beam on the experimental conditions at internal target facilities'
    P.Moskal et al.
    255th International WE-Heraeus Seminar on "Beam Cooling and Related Topics" (ECOOL 2001), Bad Honnef, Germany, May 13-18, 2001
    to be published in "Schriften des Forschungszentrums Jülich, Reihe: Matter and Materials"

  34. 'Recent results from the COSY-11 experiment on near-threshold meson production in pp and pd collisions'
    J.Smyrski et al.
    International Nuclear Physics Conference (INPC 2001), Berkeley, USA, July 30 - August 3, 2001
    to be published


Unpublished Talks and Conference Contributions


  1. 'Simulation of Szintillator-Signals and the Single-Electron-Response of Photomultiplier-Tubes'
    Verhandlungen DPG (VI), 23, 182 (1988) H-9.1; Berlin 1988

  2. 'Eine Szintillationsanordnung für einen schnellen Triggerdetektor'
    Verhandlungen DPG (VI), 24, 132 (1989) KH 7.4; Bonn 1989

  3. 'Time-Resolution Measurements of a Twisted Scintillator Hodoscope'
    Verhandlungen DPG (VI), 25, 1580 (1990) C7.6, Strasbourg 1990

  4. 'Auswertung von Vielteilchenereignissen mit dem PS185-Zerfallsspektrometer'
    Verhandlungen DPG (VI), 26, 513 (1991) E4.2; Darmstadt 1991

  5. 'Missing Mass Technique for Lambdabar Lambda Production'
    Verhandlungen DPG (VI), 27, 203 (1992) C7.2; Salzburg 1992

  6. 'Der Dreiteilchenkanal Lambdabar Lambda pi0 in der pbar p-Wechselwirkung'
    Verhandlungen DPG (VI), 28, 580 (1993) HKF2.6; Mainz 1993

  7. 'Search for the Production of Antihydrogen in Flight at LEAR/CERN'
    Verhandlungen DPG (VI), 31, 1034 (1996) HK69.4; Stuttgart 1996


Proposals, Letters of Intent, Memorandums


  1. Proposal COSY 11
    'Threshold Meson Production at the Internal COSY-Beam in the Range of Scalar Mesons Involving Strangeness'
    IKP, KFA Jülich, Germany, 1988

  2. Proposal PS185-2
    'High precision measurement of pbar p -> Lambdabar Lambda cross sections in the mass region around 2232 MeV/c²'
    CERN/SPSLC/92-6/P266 (Jan.1992)

  3. Memorandum / Report
    'CP Violation in Hyperon Decays: The case pbar p -> Lambdabar Lambda -> pbar pi+ p pi-'
    CERN/SPSLC/92-19/M41 (Mar.1992)

  4. Letter of Intent PS185-3
    'Spin Transfer in pbar p -> Lambdabar Lambda'
    CERN/SPSLC/92-53 (Sept.1992)

  5. Proposal COSY 33
    'Weak Production of Lambda-Particles at COSY'
    IKP, Forschungszentrum Jülich, Germany (1994)

  6. Proposal PS210
    'Antihydrogen Production in pbar Z-Interaction'
    CERN/SPSLC/94-29/P283 (Oct.1994)

  7. Proposal PS185-3
    'A Measurement of Depolarization and Spin Transfer in pbar p -> Lambdabar Lambda'
    CERN/SPSLC/95-13/P287 (Mar.1995)

  8. Proposal COMPASS
    'A proposal for a COmmon Muon and Proton Apparatus for Structure and Spectroscopy'
    CERN-SPSLC-96-14 (Mar.1996)

  9. Proposal ATRAP
    'Production and Study of Cold Antihydrogen'
    CERN-SPSC-97-8/P306 (Mar.1997)

  10. Letter of Intent
    'Near Threshold Baryon Anti-Baryon Production in p p Collisions'
    CERN-SPSC-97-11 (May 1997)


Reports and Notes


  1. 'Scintillation-detectors for JETSET'
    T.Sefzick et al.
    Annual Report 1987, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-442, Apr.1988, p.131

  2. 'A System for Simulation of Scintillator Light Signals'
    T.Sefzick et al.
    Annual Report 1987, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-442, Apr.1988, p.134

  3. 'Hodoscope Target for Hyperon-Scattering'
    A.Empl et al.
    Annual Report 1987, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-442, Apr.1988, p.135

  4. 'Subthreshold meson production in single nucleon reaction'
    O.Steinkamp et al.
    Annual Report 1988, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-499, Apr.1989, p.63

  5. 'Active target for hyperon-scattering'
    A.Empl et al.
    Annual Report 1988, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-499, Apr.1989, p.154

  6. 'Tests of the scintillation trigger detectors of JETSET (PS202)'
    T.Anderl et al.
    Annual Report 1988, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-499, Apr.1989, p.155

  7. 'Studies of light collection in a "quirl" radiator'
    A.Empl et al.
    Annual Report 1988, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-499, Apr.1989, p.157

  8. 'Monte Carlo Studies for the pbar p -> Phi Phi -> K+ K- K+ K- Reaction at JETSET'
    T.Anderl et al.
    Annual Report 1988, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-499, Apr.1989, p.160

  9. 'The Reaction pbar p -> Lambdabar Lambda at 1.695 GeV/c'
    P.D.Barnes et al.
    Annual Report 1989, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-562, Apr.1990, p.76

  10. 'Hyperon and Antihyperon Production at LEAR'
    P.D.Barnes et al.
    Annual Report 1989, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-562, Apr.1990, p.78

  11. 'Numerical Computation of Electrostatic Fields'
    G.Decker et al.
    Annual Report 1989, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-562, Apr.1990, p.202

  12. 'A Closed Loop Gas System with an Integrated Proportional Counter as an Online Monitor'
    G.Decker et al.
    Annual Report 1989, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-562, Apr.1990, p.203

  13. 'Time Measurements of the Jülich Trigger Scintillator for the JETSET Experiment (PS202) at CERN'
    A.Empl et al.
    Annual Report 1989, IKP, Kernforschungsanlage Jülich, Germany, Jül-Spez-562, Apr.1990, p.213

  14. 'Monte Carlo Studies on the Cross-Section Measurements of p p -> p p eta and p p -> p p eta' '
    P.Jahn et al.
    Annual Report 1990, IKP, Forschungszentrum Jülich, Germany, Jül-2462, Mar.1991, p.39

  15. 'The Reaction pbar p -> Lambdabar Lambda close to Threshold at LEAR'
    P.D.Barnes et al.
    Annual Report 1990, IKP, Forschungszentrum Jülich, Germany, Jül-2462, Mar.1991, p.45

  16. 'Investigations on Missing Mass Calculations in the PS185 Data Analysis Program'
    T.Sefzick et al.
    Annual Report 1990, IKP, Forschungszentrum Jülich, Germany, Jül-2462, Mar.1991, p.48

  17. 'The Experiment PS202 (JETSET) at CERNs LEAR'
    K.Kilian et al.
    Annual Report 1990, IKP, Forschungszentrum Jülich, Germany, Jül-2462, Mar.1991, p.49

  18. 'The Time-of-Flight Spectrometer at COSY'
    S.Brand et al.
    Annual Report 1990, IKP, Forschungszentrum Jülich, Germany, Jül-2462, Mar.1991, p.206

  19. 'Monte Carlo Simulation of the COSY Time-of-Flight Detector (TOF)'
    S.Brand et al.
    Annual Report 1990, IKP, Forschungszentrum Jülich, Germany, Jül-2462, Mar.1991, p.208

  20. 'Technical Development of the TOF-Detector'
    S.Brand et al.
    Annual Report 1990, IKP, Forschungszentrum Jülich, Germany, Jül-2462, Mar.1991, p.210

  21. 'Performance of the Three Layer Circular Hodoscope'
    G.Decker et al.
    Annual Report 1990, IKP, Forschungszentrum Jülich, Germany, Jül-2462, Mar.1991, p.212

  22. 'The Spatial Resolution of the Asymmetric Induction Drift Chamber'
    R.Bröders et al.
    Annual Report 1990, IKP, Forschungszentrum Jülich, Germany, Jül-2462, Mar.1991, p.215

  23. 'The Induction Drift Chamber (IDC) at High Rate'
    R.Bröders et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.8

  24. 'The Use of Induction Drift Chamber Signals as a Fast Trigger'
    R.Bröders et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.10

  25. 'Construction of a Vertex Detector Consisting of Independent Induction Drift Chambers (IDC)'
    R.Bröders et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.12

  26. 'Online Program for Data Acquisition with a Flash-ADC System'
    C.Lippert et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.14

  27. 'Current Controlled Delay Unit for Coincidences in the Scintillator Hodoscope'
    J.Majewski et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.16

  28. 'Spin Correlations in Lambdabar Lambda-Production'
    K.Kilian et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.52

  29. 'Feasibility of CP-Invariance in Lambdabar Lambda Hyperon Decay'
    K.Kilian et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.53

  30. 'Missing Mass Criteria in the PS185 Data Analysis Program'
    T.Sefzick et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.54

  31. 'Performance of the Circular Scintillator Hodoscope in PS202'
    D.Maeckelburg et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.61

  32. 'Heavy Hyperon-Antihyperon Production'
    K.Kilian et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.64

  33. 'The JETSET Trigger System for the Circular Scintillator Hodoscope'
    O.Steinkamp et al.
    Annual Report 1991, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Mar.1992, p.58

  34. 'Status of the Time-of-Flight-Spectrometer'
    H.Brand et al.
    Annual Report 1992, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Feb.1993, p.3

  35. 'Achievements in COSY-11 preparation'
    J.Balewski et al.
    Annual Report 1992, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Feb.1993, p.8

  36. 'Spin abservables from PS185 and proposal to measure spintransfer in pbar p -> Lambdabar Lambda'
    P.D.Barnes et al.
    Annual Report 1992, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Feb.1993, p.49

  37. 'Lambdabar Lambda-Interaction in pbar p -> Lambdabar Lambda pi0'
    T.Sefzick et al.
    Annual Report 1992, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Feb.1993, p.51

  38. 'Status of the Meson Production Experiment PROMICE/WASA in Uppsåla'
    K.Kilian et al.
    Annual Report 1992, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Feb.1993, p.58

  39. 'Calibration of Drift Chambers in the Experiment PS185'
    R.Bröders et al.
    Annual Report 1992, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Feb.1993, p.275

  40. 'Test of the COSY-11 Trigger Detector'
    R.Bröders et al.
    Annual Report 1992, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Feb.1993, p.278

  41. 'Construction of a large area scintillation detector with a matrix arrangement of photomultipliers'
    A.Budzanowski et al.
    Annual Report 1992, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Feb.1993, p.279

  42. 'Response of special scintillator segments'
    R.Bröders et al.
    Annual Report 1992, IKP, Forschungszentrum Jülich, Germany, Jül-2590, Feb.1993, p.280

  43. 'Status of the Preparation for the COSY-11 Installation'
    J.Balewski et al.
    Annual Report 1993, IKP, Forschungszentrum Jülich, Germany, Jül-2879, Feb.1994, p.64

  44. 'Progress in Drift Chamber Evaluation in the Experiment PS185'
    R.Bröders et al.
    Annual Report 1993, IKP, Forschungszentrum Jülich, Germany, Jül-2879, Feb.1994, p.68

  45. 'The PS185 Threshold Irregularity - A Detailed View'
    P.D.Barnes et al.
    Annual Report 1993, IKP, Forschungszentrum Jülich, Germany, Jül-2879, Feb.1994, p.69

  46. 'Search for Antihydrogen at LEAR'
    T.Sefzick et al.
    Annual Report 1993, IKP, Forschungszentrum Jülich, Germany, Jül-2879, Febr.1994, p.75

  47. 'Status of the Meson Production Experiment PROMICE/WASA'
    M.Waters et al.
    Annual Report 1993, IKP, Forschungszentrum Jülich, Germany, Jül-2879, Feb.1994, p.77

  48. 'Light Outout of Twisted Scintillator Segments'
    D.Grzonka et al.
    Annual Report 1993, IKP, Forschungszentrum Jülich, Germany, Jül-2879, Feb.1994, p.246

  49. 'Weak Strangeness Production at COSY'
    T.Sefzick et al.
    Annual Report 1994, IKP, Forschungszentrum Jülich, Germany, Jül-3035, Febr.1995, p.19

  50. 'Status of the COSY-11 Installation'
    J.Balewski et al.
    Annual Report 1994, IKP, Forschungszentrum Jülich, Germany, Jül-3035, Febr.1995, p.40

  51. 'Further Progress in Offline-Analysis of PS185'
    R.Bröders et al.
    Annual Report 1994, IKP, Forschungszentrum Jülich, Germany, Jül-3035, Febr.1995, p.86

  52. 'Measurement of the reaction pbar p -> Lambdabar Lambda near threshold'
    D.Afzali et al.
    Annual Report 1994, IKP, Forschungszentrum Jülich, Germany, Jül-3035, Febr.1995, p.87

  53. 'Continued Search for Anti-Hydrogen at LEAR/CERN'
    G.Baur et al.
    Annual Report 1994, IKP, Forschungszentrum Jülich, Germany, Jül-3035, Febr.1995, p.94

  54. 'Meson Production Experiment PROMICE at CELSIUS'
    K.Kilian et al.
    Annual Report 1994, IKP, Forschungszentrum Jülich, Germany, Jül-3035, Febr.1995, p.97

  55. 'Threshold experiments of the COSY type at higher energies'
    D.Filges et al.
    Annual Report 1995, IKP, Forschungszentrum Jülich, Germany, Jül-3200, Feb.1996, p.106

  56. 'Production of Antihydrogen'
    G.Baur et al.
    Annual Report 1995, IKP, Forschungszentrum Jülich, Germany, Jül-3200, Feb.1996, p.109

  57. 'Measurement of strangeness production in the reaction pbar p -> Hyperonbar Hyperon'
    D.Afzali et al.
    Annual Report 1995, IKP, Forschungszentrum Jülich, Germany, Jül-3200, Feb.1996, p.116

  58. 'Measurement of spintransfer and depolarization in the reaction pbar p -> Lambdabar Lambda'
    B.Bassalleck et al.
    Annual Report 1995, IKP, Forschungszentrum Jülich, Germany, Jül-3200, Feb.1996, p.118

  59. 'Approach towards the Non-associated Strangeness Production in the p p -> p K+ n Reaction at COSY-11'
    J.T.Balewski et al.
    Annual Report 1996, IKP, Forschungszentrum Jülich, Germany, Jül-3365, Mar.1997, p.33

  60. 'Near Threshold Baryon/Anti-Baryon Production in pp Collisions'
    L.C.Bland et al.
    Annual Report 1996, IKP, Forschungszentrum Jülich, Germany, Jül-3365, Mar.1997, p.86

  61. 'Measurement of spintransfer and depolarization in the reaction pbar p -> Lambdabar Lambda'
    B.Bassalleck et al.
    Annual Report 1996, IKP, Forschungszentrum Jülich, Germany, Jül-3365, Mar.1997, p.98

  62. 'Spin observables in Lambdabar Lambda and Lambdabar Sigma0 + cc. production at LEAR'
    D.Afzali et al.
    Annual Report 1996, IKP, Forschungszentrum Jülich, Germany, Jül-3365, Mar.1997, p.100

  63. 'Preparations for the Production and Study of Cold Antihydrogen'
    D.Grzonka et al.
    Annual Report 1997, IKP, Forschungszentrum Jülich, Germany, Jül-3505, Feb.1998, p.82

  64. 'Study of the Reaction pbar p -> Phi Phi in the Range of 1.1 GeV/c to 2.0 GeV/c'
    R.Geyer et al.
    Annual Report 1997, IKP, Forschungszentrum Jülich, Germany, Jül-3505, Feb.1998, p.83

  65. 'Two Step Mechanism for Meson Production'
    A.Hassan et al.
    Annual Report 1998, IKP, Forschungszentrum Jülich, Germany, Jül-3640, Feb.1999, p.8

  66. 'Preparations for the ATRAP Experiment: Production and Sprectroscopy of trapped Anti-Hydrogen'
    J.Bojowald et al.
    Annual Report 1998, IKP, Forschungszentrum Jülich, Germany, Jül-3640, Feb.1999, p.54

  67. 'The possibility of detecting Anti-Hydrogen in the Phase-One Apparatus of ATRAP'
    D.Grzonka et al.
    Annual Report 1998, IKP, Forschungszentrum Jülich, Germany, Jül-3640, Feb.1999, p.55

  68. 'A Data Acquisition System for Small Experiments'
    T.Sefzick et al.
    Annual Report 1998, IKP, Forschungszentrum Jülich, Germany, Jül-3640, Feb.1999, p.201


Status: 15-August-2001
URL: <http://ikpe1101.ikp.kfa-juelich.de/users/sefzick/Sefzick_publ.html>