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Related papers: Tagging the p n -> d phi reaction by backward prot…

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Quasi-binary reaction of the deuteron breakup $p+d\to (pp)+n$ with the final proton-proton pair $(pp)$ in the $^1S_0$ state is analyzed at initial energies $0.5 - 2$ GeV in the kinematics of backward elastic pd-scattering $pd\to dp$. On the…

Nuclear Theory · Physics 2014-11-18 Yu. N. Uzikov

Mechanisms for the production of $^1S_0$ diproton pairs, ${pp}_s$, in the $pd\to {pp}_s n$ reaction are studied at proton beam energies 0.5 -- 2 GeV in kinematics similar to those of backward elastic $pd$ scattering. This reaction provides…

Nuclear Theory · Physics 2008-11-26 Yu. N. Uzikov , J. Haidenbauer , C. Wilkin

The cross section and analyzing power of the pol{p}p -> pn pi+ reaction near threshold are estimated in terms of data obtained from the pol{p}p -> d pi+ and pp -> pp pi0 reactions. A simple final state interaction theory is developed which…

Nuclear Theory · Physics 2008-11-26 G. Faeldt , C. Wilkin

The charge-exchange reaction pd -> npp at 1 GeV projectile proton energy is studied. This reaction is considered in a special kinematics, when the transfer momentum from the beam proton to fast outgoing neutron is close to zero. Our…

Nuclear Theory · Physics 2007-05-23 N. B. Ladygina , A. V. Shebeko

The deuteron break-up exclusive reaction $p+d \to N(180^{\circ}) + (NN)(0^{\circ})$ is considered in the framework of the one-nucleon-exchange mechanism at the incident proton kinetic energy 0.2--2 GeV and the relative energy of nucleons in…

Nuclear Theory · Physics 2007-05-23 A. V. Smirnov , Yu. N. Uzikov

The data from the first measurement, performed at ANKE/COSY, of the unpolarized cross section of the reaction $pd\to (pp)n$ in the kinematics of backward elastic $pd\to dp$ scattering at proton-beam energies between 0.6 and 1.9 GeV are…

Nuclear Theory · Physics 2016-09-08 Yu. N. Uzikov , V. I. Komarov , F. Rathmann , H. Seyfarth

We study the photoproduction of phi mesons in deuteron, paying attention to the modification of the cross section from bound protons to the free ones with the aim of comparing with recent results at LEPS. For this purpose we take into…

Nuclear Theory · Physics 2012-01-31 Takayasu Sekihara , Alberto Martinez Torres , Daisuke Jido , Eulogio Oset

We have done a theoretical study of the $\gamma d \to \pi^0 \eta d$ reaction starting with a realistic model for the $\gamma N \to \pi^0 \eta N$ reaction that reproduces cross sections and polarization observables at low energies and…

Nuclear Theory · Physics 2023-02-15 A. Martinez Torres , K. P. Khemchandani , E. Oset

The elastic proton-deuteron backward reaction is analyzed within a covariant approach based on the Bethe-Salpeter equation with realistic meson-exchange interaction. Lorentz boost and other relativistic effects in the cross section and spin…

Nuclear Theory · Physics 2008-11-26 L. P. Kaptari , B. Kaempfer S. M. Dorkin , S. S. Semikh

A telescope of three silicon detectors has been installed close to the internal target position of the ANKE spectrometer, which is situated inside the ultra-high vacuum of the COSY-Juelich light-ion storage ring. The detection and…

The pd <--> pi+ t process has been calculated in the energy region around the Delta-resonance with elementary production/absorption mechanisms involving one and two nucleons. The isobar degrees of freedom have been explicitly included in…

Nuclear Theory · Physics 2008-11-26 Luciano Canton , Wolfgang Schadow

The polarized d d -> alpha X reaction at beam energies close to the eta threshold shows very strong structure in the missing mass corresponding to the ABC enhancement. The deuteron tensor analysing power A_yy, and the slope of the vector…

The model of backward proton production in the exclusive reaction $pd \to ppn$ at proton beam momenta up to several GeV/c is constructed on the basis of Feynman diagrams for one- and two-step amplitudes. The latter include nucleon and…

Nuclear Theory · Physics 2025-09-29 A. B. Larionov

The appearance of some papers dealing with the $K^- d \to \pi \Sigma n$ reaction, with some discrepancies in the results and a proposal to measure the reaction at forward $n$ angles at J-PARC justifies to retake the theoretical study with…

Nuclear Theory · Physics 2013-10-22 Daisuke Jido , Eulogio Oset , Takayasu Sekihara

The feasibility of an investigation of the pn --> pn eta-prime reaction by means of the COSY-11 internal target facility is discussed. Appraisals are based on the assumption of the quasi-free reactions of beam protons, circulating in the…

Nuclear Experiment · Physics 2009-09-25 P. Moskal

We analyze near-threshold cross section data for the reaction pp->pp phi published by the DISTO collaboration and recent, still preliminary results presented by the ANKE Collaboration. We formulate a procedure to evaluate the OZI ratio at…

Nuclear Theory · Physics 2009-11-11 A. Sibirtsev , J. Haidenbauer , U. -G. Meißner

The proton analyzing power Ay0 and the deuteron tensor analyzing power T20 are evaluated for the pd <-> pi+ t process, in the energy region around and above the Delta resonance. These calculations extend a previous analysis of the…

Nuclear Theory · Physics 2008-11-26 L. Canton , G. Cattapan , G. Pisent , W. Schadow , J. P. Svenne

The charge-exchange reaction pd->npp at 1 GeV projectile proton energy is studied in the multiple-scattering expansion technique. This reaction is considered in a special kinematics, when the transfer momentum from the beam proton to fast…

Nuclear Theory · Physics 2009-11-10 N. B. Ladygina , A. V. Shebeko

Very recent data for the reaction gamma{d} --> eta{np} are analyzed within a model that includes contributions from the impulse approximation and next order corrections due to the np and eta{N} interactions in the final state. Comparison…

Nuclear Theory · Physics 2017-08-23 Ch. Elster , A. Sibirtsev , S. Schneider , J. Haidenbauer , S. Krewald , J. Speth

The measurement of the quasi-free production of the eta prime meson has been carried out at the COSY-11 detection setup using a proton beam and a deuteron cluster target. The energy dependence of the cross section is extracted using a fixed…

Nuclear Experiment · Physics 2009-04-24 J. Klaja , P. Moskal , J. Zdebik