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The observed polarisation of Lambda hyperons from the inclusive pA -> Lambda X reaction at high energies has previously been well described within the Lund string model through polarised ss quark pair production in the string breaking…

High Energy Physics - Phenomenology · Physics 2014-11-17 Stephan Pomp , Gunnar Ingelman , Tord Johansson , Staffan Ohlsson

The multinucleon transfer (MNT) process in low-energy heavy ion collisions can be utilized to produce unknown nuclei far beyond the stability line. However, the reaction products exhibit broad angular and energy distributions, which could…

Nuclear Theory · Physics 2024-07-09 Zehong Liao , Zepeng Gao , Yu Yang , Yueping Fang , Jun Su , Long Zhu

Momentum distribution of fragments produced in 12C+12C reaction at 28.7 MeV/nucleon is analyzed with antisymmetrized version of molecular dynamics (AMD). Calculations are made for several cases of stochastic collisions and the projectile…

Nuclear Theory · Physics 2008-11-26 A. Ono , H. Horiuchi , T. Maruyama , A. Ohnishi

The reactions gamma p -> K+ Lambda and gamma p -> K* Lambda are analyzed within perturbative QCD, allowing for diquarks as quasi-elementary constituents of baryons. The diquark-model parameters and the quark-diquark distribution amplitudes…

High Energy Physics - Phenomenology · Physics 2009-10-28 P. Kroll , M. Schuermann , K. Passek , W. Schweiger

Using a gauged flavor SU(3)-invariant hadronic Lagrangian, we calculate the cross sections for the strangeness-exchange reactions YY to N\Xi (Y=\Lambda, \Sigma) in the Born approximation. These cross sections are then used in the…

Nuclear Theory · Physics 2013-05-30 Feng Li , Lie-Wen Chen , Che Ming Ko , Su Houng Lee

We calculate the cross section for inclusive prompt photon production in $\gamma\gamma$ collisions, i.e. the reaction $e^+e^-\to \gamma \gamma \to \gamma X$, in next-to-leading order QCD. We show that at LEP2 energies this cross section is…

High Energy Physics - Phenomenology · Physics 2014-11-17 L. E. Gordon , J. K. Storrow

The fast-stage nucleon emission of proton-nucleus (pA) reactions from 300A MeV to 1.8A GeV has been investigated using the quantum molecular-dynamics model. It is found that the sideward angular spectrum of nucleon emission presents an…

Nuclear Theory · Physics 2011-07-04 G. Q. Zhang , Y. G. Ma , X. G. Cao , C. L Zhou

The angular distributions for elastic scattering and breakup of halo nuclei are analysed using a near-side/far-side decomposition within the framework of the dynamical eikonal approximation. This analysis is performed for 11Be impinging on…

Nuclear Theory · Physics 2015-06-11 M. S. Hussein , P. Capel , D. Baye

The theory of one-nucleon removal in the stripping reaction (inelastic breakup) on a light target is extended to cover two-dimensional momentum distributions of the reaction residues with the use of realistic profile functions for the…

Nuclear Theory · Physics 2009-11-10 C. A. Bertulani P. G. Hansen

The GlueX experiment at Jefferson Lab has observed $p\bar{p}$ and, for the first time, $\Lambda\bar{\Lambda}$ and $p\bar{\Lambda}$ photoproduction from a proton target at photon energies up to 11.6 GeV. The angular distributions are forward…

High Energy Physics - Experiment · Physics 2026-05-12 GlueX Collaboration , F. Afzal , M. Albrecht , M. Amaryan , S. Arrigo , V. Arroyave , A. Asaturyan , A. Austregesilo , Z. Baldwin , F. Barbosa , J. Barlow , E. Barriga , R. Barsotti , D. Barton , V. Baturin , V. V. Berdnikov , A. Berger , W. Boeglin , M. Boer , W. J. Briscoe , T. Britton , R. Brunner , S. Cao , C. Chen , E. Chudakov , G. Chung , P. L. Cole , O. Cortes , V. Crede , M. M. Dalton , D. Darulis , A. Deur , L. Dietrich , S. Dobbs , A. Dolgolenko , M. Dugger , R. Dzhygadlo , D. Ebersole , M. Edo , H. Egiyan , P. Eugenio , A. Fabrizi , C. Fanelli , S. Fang , M. Fritsch , S. Furletov , L. Gan , H. Gao , A. Gardner , A. Gasparian , D. I. Glazier , C. Gleason , B. Grube , J. Guo , J. Hernandez , K. Hernandez , N. Herrmann , N. D. Hoffman , D. Hornidge , G. M. Huber , P. Hurck , W. Imoehl , D. G. Ireland , M. M. Ito , I. Jaegle , N. S. Jarvis , T. Jeske , M. Jing , R. T. Jones , V. Kakoyan , G. Kalicy , X. Kang , V. Khachatryan , C. Kourkoumelis , A. LaDuke , I. Larin , D. Lawrence , D. I. Lersch , H. Li , B. Liu , K. Livingston , L. Lorenti , V. Lyubovitskij , H. Marukyan , V. Matveev , M. McCaughan , M. McCracken , C. A. Meyer , R. Miskimen , R. E. Mitchell , P. Moran , L. Ng , E. Nissen , S. Orešić , A. I. Ostrovidov , Z. Papandreou , L. Pentchev , K. J. Peters , L. Puthiya Veetil , S. Rakshit , J. Reinhold , A. Remington , J. Ritman , G. Rodriguez , K. Saldana , S. Schadmand , A. M. Schertz , K. Scheuer , A. Schmidt , R. A. Schumacher , J. Schwiening , M. Scott , N. Septian , P. Sharp , V. J. Shen , X. Shen , M. R. Shepherd , J. Sikes , H. Singh , A. Smith , E. S. Smith , A. Somov , S. Somov , J. R. Stevens , I. I. Strakovsky , B. Sumner , K. Suresh , V. V. Tarasov , S. Taylor , A. Teymurazyan , A. Thiel , M. Thomson , T. Viducic , T. Whitlatch , Y. Wunderlich , B. Yu , J. Zarling , Z. Zhang , X. Zhou , B. Zihlmann

The photoproduction process of neutral kaons on a liquid deuterium target is investigated near the threshold region, Egamma = 0.8-1.1 GeV. K0 events are reconstructed from positive and negative pions, and differential cross sections are…

In order to investigate the contribution of $\alpha$ production in the reaction cross sections, measurements of elastic scattering and inclusive $\alpha$ particle angular distributions have been carried out with the $^9$Be projectile on…

The production of Kshort and Lambda hadrons is studied in inelastic pp collisions at sqrt(s) = 0.9 and 7 TeV collected with the ATLAS detector at the LHC using a minimum-bias trigger. The observed distributions of transverse momentum,…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

The reactions $\gamma p \rightarrow K^{+}\Sigma^{\pm}\pi^{\mp}$ were studied with the SAPHIR detector using a tagged photon beam at the electron stretcher facility ELSA in Bonn. The decays $\Sigma^{-} \rightarrow n\pi^{-}$ and $\Sigma^{+}…

In recent experiments using the Stark-induced Adiabatic Raman Passage (SARP) technique, Zhou et al. measured the product's angular distribution for the collisions between He and aligned D2 molecules at cold collision energies. The…

We investigate the reaction mechanism of $K^0 \Lambda$ photoproduction off the neutron target, i.e., $\gamma n \to K^0 \Lambda$, in the range of $W\approx 1.6-2.2$ GeV. We employ an effective Lagrangian method at the tree-level Born…

High Energy Physics - Phenomenology · Physics 2020-01-08 Sang-Ho Kim , Hyun-Chul Kim

The photoproduction of $^{95\rm m}$Nb on ${^{\rm nat}\rm{Mo}}$ was studied using the electron beam of the LUE-40 linac RDC "Accelerator" NSC KIPT. Measurements were performed using activation and off-line $\gamma$-ray spectrometric…

The recent light-by-light scattering cross section measurement made by the ATLAS\ Collaboration is used to constrain nonlinear corrections to Maxwell electrodynamics parametrized by the Lagrangian $L=F+4\alpha F^{2}+4\beta G^{2}+4\delta…

High Energy Physics - Phenomenology · Physics 2019-06-26 P. Niau Akmansoy , L. G. Medeiros

The hypernucleus production reaction $\bar p + {}^AZ \to {}^A_\Lambda(Z-1) + \bar{\Lambda}$ in the beam momentum range 1.5-20 GeV/c is addressed theoretically as a coherent process. The calculations are based on a covariant $t$-channel…

Nuclear Theory · Physics 2017-03-14 A. B. Larionov , H. Lenske

The reaction $^{12}C(\nu_\mu,\mu^-) X$ has been measured near threshold using a $\pi ^+$ decay-in-flight $\nu_\mu$ beam from the Los Alamos Meson Physics Facility and a massive liquid scintillator neutrino detector (LSND). In the energy…

Nuclear Theory · Physics 2008-11-26 M. Albert
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