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  1. Article ; Online: Measurements of scattering observables for the pd break-up reaction

    Stephan E. / Shende S.V. / Ramazani-Moghaddam-Arani A. / Moeini H. / Messchendorp J.G. / Mardanpour H. / Kozela A. / Kistryn St. / Kalantar-Nayestanaki N. / Joulaeizadeh L. / Gašparic I. / Biegun A. / Amir-Ahmadi H.R. / Eslami-Kalantari M. / Sworst R.

    EPJ Web of Conferences, Vol 3, p

    2010  Volume 05010

    Abstract: High-precision measurements of the scattering observables such as cross sections and analyzing powers for the proton-deuteron elastic and break-up reactions have been performed at KVI in the last two decades and elsewhere to investigate various aspects ... ...

    Abstract High-precision measurements of the scattering observables such as cross sections and analyzing powers for the proton-deuteron elastic and break-up reactions have been performed at KVI in the last two decades and elsewhere to investigate various aspects of the three-nucleon force (3NF) effects simultaneously. In 2006 an experiment was performed to study these effects in p+d break-up reaction at 135 MeV with the detection system, Big Instrument for Nuclear polarization Analysis, BINA. BINA covers almost the entire kinematical phase space of the break-up reaction. The results are interpreted with the help of state-of-the-art Faddeev calculations and are partly presented in this contribution.
    Keywords Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
    Language English
    Publishing date 2010-04-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Three-body break-up in deuteron-deuteron scattering at 65 MeV/nucleon

    Stephan E. / Shende S.V. / Moeini H. / Micherdzinska A.M. / Messchendorp J.G. / Mardanpour H. / Kozela A. / Kistryn St. / Kalantar-Nayestanaki N. / Joulaeizadeh L. / Gašparić I. / EslamiKalantari M. / Biegun A. / Bailey C.D. / Bacher A.D. / Amir-Ahmadi H.R. / Ramazani-Moghaddam-Arani A. / Stephenson E.J. / Sworst R.

    EPJ Web of Conferences, Vol 3, p

    2010  Volume 04012

    Abstract: We successfully identified several multibody final states in deuteron-deuteron scattering at 65 MeV/nucleon at KVI using a unique and advanced detection system called BINA. This facility enabled us to perform cross sections and polarization measurements ... ...

    Abstract We successfully identified several multibody final states in deuteron-deuteron scattering at 65 MeV/nucleon at KVI using a unique and advanced detection system called BINA. This facility enabled us to perform cross sections and polarization measurements with an improved statistical and systematic precision. The analysis procedure and a part of the results of the three-body break-up channel in the deuteron-deuteron scattering at 65 MeV/nucleon are presented.
    Keywords Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
    Language English
    Publishing date 2010-04-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article: Quasifree photoproduction of eta mesons off the neutron.

    Jaegle, I / Mertens, T / Anisovich, A V / Bacelar, J C S / Bantes, B / Bartholomy, O / Bayadilov, D / Beck, R / Beloglazov, Y A / Castelijns, R / Crede, V / Dutz, H / Ehmanns, A / Elsner, D / Essig, K / Ewald, R / Fabry, I / Fuchs, M / Funke, Ch /
    Gothe, R / Gregor, R / Gridnev, A B / Gutz, E / Höffgen, S / Hoffmeister, P / Horn, I / Junkersfeld, J / Kalinowsky, H / Kammer, S / Kleber, V / Klein, Frank / Klein, Friedrich / Klempt, E / Konrad, M / Kotulla, M / Krusche, B / Lang, M / Langheinrich, J / Löhner, H / Lopatin, I V / Lotz, J / Lugert, S / Menze, D / Messchendorp, J G / Metag, V / Morales, C / Nanova, M / Nikonov, V A / Novinski, D / Novotny, R / Ostrick, M / Pant, L M / van Pee, H / Pfeiffer, M / Radkov, A / Roy, A / Sarantsev, A V / Schadmand, S / Schmidt, C / Schmieden, H / Schoch, B / Shende, S V / Sokhoyan, V / Süle, A / Sumachev, V V / Szczepanek, T / Thoma, U / Trnka, D / Varma, R / Walther, D / Weinheimer, Ch / Wendel, Ch

    Physical review letters

    2008  Volume 100, Issue 25, Page(s) 252002

    Abstract: Quasifree photoproduction of eta mesons off nucleons bound in the deuteron has been measured with the CBELSA/TAPS detector for incident photon energies up to 2.5 GeV at the Bonn ELSA accelerator. The eta mesons have been detected in coincidence with ... ...

    Abstract Quasifree photoproduction of eta mesons off nucleons bound in the deuteron has been measured with the CBELSA/TAPS detector for incident photon energies up to 2.5 GeV at the Bonn ELSA accelerator. The eta mesons have been detected in coincidence with recoil protons and recoil neutrons, which allows a detailed comparison of the quasifree n(gamma,eta)n and p(gamma,eta)p reactions. The excitation function for eta production off the neutron shows a pronounced bumplike structure at W=1.68 GeV (E{gamma} approximately 1 GeV), which is absent for the proton.
    Language English
    Publishing date 2008-06-27
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.100.252002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Photoproduction of eta'-mesons off the deuteron

    Jaegle, I. / Mertens, T. / Fix, A. / Huang, F. / Nakayama, K. / Tiator, L. / Anisovich, A.V. / Bacelar, J.C.S. / Bantes, B. / Bartholomy, O. / Bayadilov, D.E. / Beck, R. / Beloglazov, Y.A. / Castelijns, R. / Crede, V. / Dutz, H. / Elsner, D. / Ewald, R. / Frommberger, F. /
    Funke, C. / Gregor, R. / Gridnev, A.B. / Gutz, E. / Hillert, W. / Höffgen, S. / Junkersfeld, J. / Kalinowsky, H. / Kammer, S. / Kleber, V. / Klein, F. / Klempt, E. / Kotulla, M. / Krusche, B. / Lang, M. / Löhner, H. / Lopatin, I.V. / Lugert, S. / Menze, D. / Messchendorp, J.G. / Metag, V. / Nikonov, V.A. / Nanova, M. / Novinski, D.V. / Novotny, R. / Ostrick, M. / Pant, L.M. / Pee, H. van / Pfeiffer, M. / Roy, A. / Sarantsev, A.V. / Schadmand, S. / Schmidt, C. / Schmieden, H. / Schoch, B. / Shende, S.V. / Sokhoyan, V. / Süle, A. / Sumachev, V.V. / Szczepanek, T. / Trnka, D. / Thoma, U. / Varma, R. / Walther, D. / Wendel, C.

    2011  

    Abstract: Art. 11, 18 S. ... Quasi-free photoproduction of eta'-mesons off nucleons bound in the deuteron has been measured with the combined Crystal Barrel - TAPS detector. The experiment was done at a tagged photon beam of the ELSA electron accelerator in Bonn for ...

    Abstract Art. 11, 18 S.

    Quasi-free photoproduction of eta'-mesons off nucleons bound in the deuteron has been measured with the combined Crystal Barrel - TAPS detector. The experiment was done at a tagged photon beam of the ELSA electron accelerator in Bonn for incident photon energies from the production threshold up to 2.5 GeV. The eta'-mesons have been detected in coincidence with recoil protons and recoil neutrons. The quasi-free proton data are in good agreement with the results for free protons, indicating that nuclear effects have no significant impact. The coincidence with recoil neutrons provides the first data for the gamma-n -> n-eta' reaction. In addition, also first estimates for coherent eta'-production off the deuteron have been obtained. In agreement with model predictions, the total cross-section for this channel is found to be very small, at most at the level of a few nb. The data are compared to model calculations taking into account contributions from nucleon resonances and t-channel exchanges.

    47

    Nr.1
    Keywords 620 ; 539
    Subject code 551
    Language English
    Publishing country de
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Book ; Online: Photoproduction of $\eta '$-mesons off the deuteron

    Jaegle, I. / Mertens, T. / Fix, A. / Huang, F. / Nakayama, K. / Tiator, L. / Anisovich, A. V. / Bacelar, J. C. S. / Bantes, B. / Bartholomy, O. / Bayadilov, D. E. / Beck, R. / Beloglazov, Y. A. / Castelijns, R. / Crede, V. / Dutz, H. / Elsner, D. / Ewald, R. / Frommberger, F. /
    Funke, C. / Gregor, R. / Gridnev, A. B. / Gutz, E. / Hillert, W. / Hoeffgen, S. / Junkersfeld, J. / Kalinowsky, H. / Kammer, S. / Kleber, V. / Klein, Frank / Klein, Friedrich / Klempt, E. / Kotulla, M. / Krusche, B. / Lang, M. / Loehner, H. / Lopatin, I. V. / Lugert, S. / Menze, D. / Messchendorp, J. G. / Metag, V. / Nikonov, V. A. / Nanova, M. / Novinski, D. V. / Novotny, R. / Ostrick, M. / Pant, L. M. / van Pee, H. / Pfeiffer, M. / Roy, A. / Sarantsev, A. V. / Schadmand, S. / Schmidt, C. / Schmieden, H. / Schoch, B. / Shende, S. V. / Sokhoyan, V. / Suele, A. / Sumachev, V. V. / Szczepanek, T. / Thoma, U. / Trnka, D. / Varma, R. / Walther, D. / Wendel, C.

    2010  

    Abstract: Quasi-free photoproduction of $\eta '$ mesons off nucleons bound in the deuteron has been measured with the combined Crystal Barrel - TAPS detector. The experiment was done at a tagged photon beam of the ELSA electron accelerator in Bonn for incident ... ...

    Abstract Quasi-free photoproduction of $\eta '$ mesons off nucleons bound in the deuteron has been measured with the combined Crystal Barrel - TAPS detector. The experiment was done at a tagged photon beam of the ELSA electron accelerator in Bonn for incident photon energies from the production threshold up to 2.5 GeV. The $\eta '$-mesons have been detected in coincidence with recoil protons and recoil neutrons. The quasi-free proton data are in good agreement with the results for free protons, indicating that nuclear effects have no significant impact. The coincidence with recoil neutrons provides the first data for the $\gamma n \rightarrow n\eta '$ reaction. In addition, also first estimates for coherent $\eta '$-production off the deuteron have been obtained. In agreement with model predictions, the total cross section for this channel is found to be very small, at most at the level of a few nb. The data are compared to model calculations taking into account contributions from nucleon resonances and $t$-channel exchanges.

    Comment: Accepted for publication in Eur. Phys. J. A
    Keywords Nuclear Experiment
    Subject code 551
    Publishing date 2010-12-05
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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