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The reaction pp->pppi0pi0 has been investigated at a beam energy of 1.4 GeV using the WASA-at-COSY facility. The total cross section is found to be (324 +- 21_systematic +- 58_normalization) mub. In order to to study the production…

High Energy Physics - Experiment · Physics 2015-05-28 P. Adlarson , C. Adolph , W. Augustyniak , M. Bashkanov , T. Bednarski , F. S. Bergmann , M. Berłowski , H. Bhatt , K. --T. Brinkmann , M. Büscher , H. Calén , H. Clement , D. Coderre , E. Czerwiński , E. Doroshkevich , R. Engels , W. Erven , W. Eyrich , P. Fedorets , K. Föhl , K. Fransson , F. Goldenbaum , P. Goslawski , K. Grigoryevj , C. --O. Gullström , L. Heijkenskjöld , J. Heimlich , V. Hejny , F. Hinterberger , M. Hodana , B. Höistad , M. Jacewicz , M. Janusz , A. Jany , B. R. Jany , L. Jarczyk , T. Johansson , B. Kamys , G. Kemmerling , O. Khakimova , A. Khoukaz , S. Kistryn , J. Klaja , H. Kleines , B. Kłos , F. Kren , W. Krzemień , P. Kulessa , A. Kupść , K. Lalwani , B. Lorentz , H. Machner , A. Magiera , R. Maier , B. Mariański , P. Marciniewski , M. Mikirtychiants , H. --P. Morsch , P. Moskal , B. K. Nandi , S. Niedźwiecki , H. Ohm , A. Passfeld , C. Pauly , E. Perez del Rio , Y. Petukhov , N. Piskunov , P. Pluciński , P. Podkopał , A. Povtoreyko , D. Prasuhn , A. Pricking , K. Pysz , T. Rausmann , C. F. Redmer , J. Ritman , Z. Rudy , S. Sawant , S. Schadmand , A. Schmidt , T. Sefzick , V. Serdyuk , N. Shah , M. Siemaszko , T. Skorodko , M. Skurzok , J. Smyrski , V. Sopov , R. Stassen , J. Stepaniak , G. Sterzenbach , H. Stockhorst , A. Szczurek , A. Täschner , T. Tolba , A. Trzciński , R. Varma , P. Vlasov , G. J. Wagner , W. Weglorz , U. Wiedner , A. Winnemöller , M. Wolke , A. Wrońska , P. Wüstner , P. Wurm , X. Yuan , L. Yurev , J. Zabierowski , C. Zheng , M. J. Zieliński , W. Zipper , J. Złomańczuk , P. Zuprański

The cross sections of the high energy proton-proton scattering are studied in a holographic QCD model, focusing on the Regge regime. In our model setup, the involved nonperturbative partonic dynamics is described by the Pomeron exchange,…

High Energy Physics - Phenomenology · Physics 2022-06-24 Wei Xie , Akira Watanabe , Mei Huang

We investigate $\phi$-meson electroproduction off the proton target, i.e., $\gamma^* p \to \phi p$, by employing a tree-level effective Lagrangian approach in the kinematical ranges of $Q^2$ = (0$-$4) $\mathrm{GeV}^2$, $W$ = (2$-$5) GeV,…

High Energy Physics - Phenomenology · Physics 2020-06-25 Sang-Ho Kim , Seung-il Nam

We propose a new approach for the Higgs boson production by Double Pomeron Exchange (DPE) in the Deeply Virtual Compton Scattering, where a color dipole interacts diffractively with the proton by DPE. Applying it to Peripheral Collisions,…

High Energy Physics - Phenomenology · Physics 2009-10-15 M. B. Gay Ducati , G. G. Silveira

We report on double-differential inclusive cross-sections of the production of secondary protons, charged pions, and deuterons, in the interactions with a 5% nuclear interaction length thick stationary carbon target, of proton and pion…

We review our recent description of high energy forward hadronic cross sections and in particular of pion scattering data by means of Regge theory. We obtain a prediction for the total proton-proton cross section at LHC. In addition, and…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. R. Pelaez

The ALICE Collaboration measured dielectron production as a function of the invariant mass ($m_{\rm ee}$), the pair transverse momentum ($p_{\rm T,ee}$) and the pair distance of closest approach ($\rm DCA_{ee}$) in pp collisions at…

Nuclear Experiment · Physics 2019-04-17 Horst Sebastian Scheid

The (ed -> enp) process in the frame of the Bethe-Salpeter approach with a separable kernel of the Nucleon-Nucleon (NN) interaction was considered. This conception keeps the covariance of description of the process. Special attention was…

Nuclear Theory · Physics 2007-05-23 S. G. Bondarenko , V. V. Burov , A. A. Goy , E. P. Rogochaya

Within a transport model coupled with a microscopic coalescence model, the directed and elliptic flows of protons and deuterons as well as their scalling properties are studied in the centrality of 20-30% Au+Au collisions at $\sqrt{s_{\rm…

Nuclear Theory · Physics 2023-03-21 Huan Du , Gao-Feng Wei , Gao-Chan Yong

The production of D mesons in proton-proton collisions at the LHCb detector is studied. We consider the single production of D^0, D^+, D^star, and D_s^+ mesons and correlation spectra in the production of DbarD and DD pairs at the sqrt{S}=7…

High Energy Physics - Phenomenology · Physics 2017-11-27 Anton Karpishkov , Vladimir Saleev , Alexandera Shipilova

We study deeply virtual Compton scattering and deep exclusive meson electroproduction on a deuteron target. We model the Generalized Quark Distributions in the deuteron by using the impulse approximation for the lowest Fock-space state on…

High Energy Physics - Phenomenology · Physics 2014-11-17 F. Cano , B. Pire

The cross section for semi-inclusive deep inelastic charged current neutrino scattering on hydrogen and deuterium in which a slow proton is observed in coincidence with the muon is computed as a function of Bjorken x and light-cone momentum…

Nuclear Theory · Physics 2016-09-08 G. D. Bosveld , A. E. L. Dieperink , A. G. Tenner

We apply the phenomenological Reggeon field theory framework to investigate rapidity gap survival (RGS) probability for diffractive dijet production in proton-proton collisions. In particular, we study in some detail rapidity gap…

High Energy Physics - Phenomenology · Physics 2018-03-14 Sergey Ostapchenko , Marcus Bleicher

We present predictions for the formation of (anti)nuclear bound states in nucleus-nucleus reactions at RHIC energies. he phase space coalescence method is used in combination with RQMD-v2.4 transport calculations to demonstrate the…

Nuclear Theory · Physics 2019-08-17 B. Monreal , W. J. Llope , R. Mattiello , S. Y. Panitkin , H. Sorge , N. Xu

Starting from a realistic one--boson--exchange--model fitted to the amplitudes of elastic nucleon--nucleon scattering and the process $NN\rightarrow N\Delta$ we perform a fully relativistic and gauge invariant calculation for the dilepton…

Nuclear Theory · Physics 2009-10-28 M. Schäfer , H. C. Dönges , A. Engel , U. Mosel

The NA60 experiment at the CERN SPS has studied dimuon production in 158 AGeV In-In collisions. The strong pair excess above the known sources found in the mass region $0.2<M<2.5$ GeV has been previously interpreted as thermal radiation. In…

Nuclear Experiment · Physics 2019-08-14 Gianluca Usai

The d(e,e'p) cross section at a momentum transfer of 3.5 (GeV/c)^2 was measured over a kinematical range that made it possible to study this reaction for a set of fixed missing momenta as a function of the neutron recoil angle theta_nq and…

Nuclear Experiment · Physics 2012-06-20 W. U. Boeglin , Hall A Collaboration

We study open charm production at high energies in the framework of the quasi-multi-Regge-kinematics approach applying the quark-Reggeization hypothesis implemented with Reggeon-Reggeon-particle and Reggeon-particle-particle effective…

High Energy Physics - Phenomenology · Physics 2009-11-13 B. A. Kniehl , A. V. Shipilova , V. A. Saleev

The pp -> pp pi0 differential cross section has been measured with the ANKE spectrometer at COSY-Juelich for pion cms angles between 0 and 15.4 degrees at a proton beam energy of 0.8 GeV. The selection of diproton pairs with an excitation…

A detailed investigation of the reaction np -> pp\pi^{-} has been carried out using the data obtained with the continuous neutron beam produced by charge exchange scattering of protons off a deuterium target. A partial wave event-by-event…