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Related papers: Photoproduction of the Hypertriton

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Kaon photoproduction on He3, gamma + He3 --> K+ + Hypertriton, is studied in the framework of the impulse approximation. Realistic He3 wave functions obtained as solutions of Faddeev equations with the Reid soft-core potential are used…

Nuclear Theory · Physics 2009-10-30 T. Mart , L. Tiator , D. Drechsel , C. Bennhold

Differential cross sections of the photo- and electroproduction of the hypertriton have been calculated by utilizing modern nuclear wave functions and the elementary operator of KAON-MAID. It is found that a proper treatment of Fermi motion…

Nuclear Theory · Physics 2008-11-26 T. Mart , B. I. S. van der Ventel

Understanding the properties of hypernuclei helps to constrain the interaction between hyperon and nucleon, which is known to play an essential role in determining the properties of neutron stars. Experimental measurements have suggested…

A microscopic few-body description of near-threshold coherent photoproduction of the eta meson on tritium and 3He targets is given. The photoproduction cross-section is calculated using the Finite Rank Approximation (FRA) of the nuclear…

Nuclear Theory · Physics 2007-05-23 N. V. Shevchenko , V. B. Belyaev , S. A. Rakityansky , S. A. Sofianos , W. Sandhas

Faddeev calculations of hypertriton ($_\Lambda^3$H) separation energy are performed, incorporating $2\pi$-exchange $\Lambda $NN three-baryon force. Repulsive contributions of the three-baryon force in the order of 20 keV are found,…

Nuclear Theory · Physics 2024-09-16 H. Kamada , M. Kohno , K. Miyagawa

Light $s$-shell hypernuclei ($^{3,4}_{\Lambda}\text{H}$) and their ground-state properties are crucial benchmarks in hypernuclear physics. In particular, comparing the production cross sections of $^{3}_{\Lambda}\text{H}$ and…

A microscopic few-body description of near-threshold coherent photoproduction of the eta-meson on tritium and He3 targets is given. The photoproduction cross-section is calculated using the Finite Rank Approximation (FRA) of the nuclear…

Nuclear Theory · Physics 2009-11-07 N. V. Shevchenko , V. B. Belyaev , S. A. Rakityansky , S. A. Sofianos , W. Sandhas

We investigate the photoproduction of $\Lambda(1405)\equiv\Lambda^*$ hyperon resonance, i.e., $\gamma p\to K^+\Lambda^*$, employing the effective Lagrangian approach with the $t$-channel Regge trajectories at tree level. We extensively…

High Energy Physics - Phenomenology · Physics 2017-07-19 Sang-Ho Kim , Seung-il Nam , Daisuke Jido , Hyun-Chul Kim

We show that photoproduction cross sections recently measured by ZEUS and H-1 at HERA energies$^1$ are in agreement with our earlier prediction based on high-energy hadronic structure of the photon in the QCD minijet-type model$^2$. We…

High Energy Physics - Phenomenology · Physics 2007-05-23 L. Durand , K. Honjo , R. Gandhi , H. Pi , I. Sarcevic

Photoproduction of $\Lambda$(1520) with liquid hydrogen and deuterium targets was examined at photon energies below 2.4 GeV in the SPring-8 LEPS experiment. For the first time, the differential cross sections were measured at low energies…

Inclusive $K^0$ and $\Lambda$ photoproduction has been investigated at HERA with the H1 detector at an average photon-proton center of mass energy of 200 GeV in the transverse momentum range 0.5 <p_t <5 GeV. The production rates as a…

High Energy Physics - Experiment · Physics 2008-11-26 C. Adloff

Ion-ion collisions at relativistic energies have been shown recently to be a promising technique for the production of hypernuclei. In this article, we further investigate the production of light $\Lambda$ hypernuclei by use of a hybrid…

Nuclear Theory · Physics 2018-08-15 Y. L. Sun , A. S. Botvina , A. Obertelli , A. Corsi , M. Bleicher

Coherent photoproduction of \pi 0\eta\ on the deuteron, He3 and He4 nuclei is considered in the energy region from threshold to the lab photon energy 1.2 GeV. The transition amplitude is derived using impulse approximation. Effects of pion…

Nuclear Theory · Physics 2013-11-27 M. Egorov , A. Fix

We study the photoproduction process of dileptons in heavy ion collision at Relativistic Heavy Ion Collider (RHIC) and Large Hadron Collider (LHC) energys. The equivalent photon approximation, which equates the electromagnetic field of…

High Energy Physics - Phenomenology · Physics 2024-04-16 Gongming Yu , Xinyu Li , Xinghang Zhang , Zhongxia Zhao , Haitao Yang

Effective lambda-proton and lambda-neutron potentials, restored from theoretical scattering phases through Gel'fand-Levitan-Marchenko theory, are tested on a lambda hypertriton through three-body calculations. The lambda hypertriton is…

Nuclear Theory · Physics 2020-10-05 Emile Meoto , Mantile Lekala

The strong electromagnetic fields present in ultra-peripheral collisions of heavy-ions offer a possibility to study two-photon and photonuclear collisions complementary to similar studies with lepton beams but over an increased photon…

High Energy Physics - Phenomenology · Physics 2008-12-18 Joakim Nystrand

We present a theoretical investigation of $\Lambda(1520)$ attenuation in ${\gamma}A$ reactions near the threshold. It is performed in the framework of a collision model based on the nuclear spectral function. The model accounts for both…

Nuclear Theory · Physics 2011-12-02 E. Ya. Paryev

In a previous analysis of electroproduction of hypernuclei the cross sections were calculated in distorted-wave impulse approximation where the momentum of the initial proton in the nucleus was set to zero (the frozen-proton approximation).…

Nuclear Theory · Physics 2022-11-09 P. Bydžovský , D. Denisova , D. Skoupil , P. Veselý

We discuss coherent and incoherent $\phi$ meson photoproduction off the deuteron at low energy and small momentum transfer with the aim to check whether the recent experimental data need for their interpretation the inclusion of exotic…

Nuclear Theory · Physics 2008-11-26 A. I. Titov , B. Kämpfer

Photoproduction can be studied at hadron colliders by using the virtual photons associated with the hadron beams. The LHC will reach photonucleon energies 10 times higher than that available elsewhere. These reactions are already being…

Nuclear Experiment · Physics 2019-08-14 Spencer R. Klein
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