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Related papers: n-p Short-Range Correlations from (p,2p + n) Measu…

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The hard proton knock-out by the proton from the deuteron at relativistic energies is considered with a focus on the color transparency (CT) effect which influences the initial and final state interactions. The calculations are performed in…

Nuclear Theory · Physics 2023-01-31 A. B. Larionov

Based on the recent experimental observations of the dominance of tensor interaction in the ~250-600~MeV/c momentum range of nucleons in nuclei, the existence of two new properties for high-momentum distribution of nucleons in asymmetric…

Nuclear Theory · Physics 2014-03-19 Misak M. Sargsian

The azimuthal ($\Delta\varphi$) correlation distributions between heavy-flavor decay electrons and associated charged particles are measured in pp and p$-$Pb collisions at $\sqrt{s_{\rm{NN}}} = 5.02$ TeV. Results are reported for electrons…

Nuclear Experiment · Physics 2023-10-04 ALICE Collaboration

The polarization of the secondary protons in inelastic (p,p') reaction on the 40Ca and 12C nuclei at the initial proton energy 1 GeV was measured in the wide range of the scattered proton momenta at a laboratory angle 21 degree. The cross…

Measurements of multiplicity and transverse momentum fluctuations of charged particles were performed in inelastic p+p interactions at 20, 31, 40, 80 and 158 GeV/c beam momentum. Results for the scaled variance of the multiplicity…

High Energy Physics - Experiment · Physics 2016-12-01 SHINE Collaboration , A. Aduszkiewicz , Y. Ali , E. Andronov , T. Anticic , N. Antoniou , B. Baatar , F. Bay , A. Blondel , J. Blumer , M. Bogomilov , A. Bravar , J. Brzychczyk , S. A. Bunyatov , O. Busygina , P. Christakoglou , M. Cirkovic , T. Czopowicz , N. Davis , S. Debieux , H. Dembinski , M. Deveaux , F. Diakonos , S. Di Luise , W. Dominik , J. Dumarchez , K. Dynowski , R. Engel , A. Ereditato , G. A. Feofilov , Z. Fodor , A. Garibov , M. Gazdzicki , M. Golubeva , K. Grebieszkow , A. Grzeszczuk , F. Guber , A. Haesler , T. Hasegawa , A. Herve , M. Hierholzer , S. Igolkin , A. Ivashkin , K. Kadija , A. Kapoyannis , E. Kaptur , J. Kisiel , T. Kobayashi , V. I. Kolesnikov , D. Kolev , V. P. Kondratiev , A. Korzenev , K. Kowalik , S. Kowalski , M. Koziel , A. Krasnoperov , M. Kuich , A. Kurepin , D. Larsen , A. Laszlo , M. Lewicki , V. V. Lyubushkin , M. Mackowiak-Pawlowska , B. Maksiak , A. I. Malakhov , D. Manic , A. Marcinek , K. Marton , H. -J. Mathes , T. Matulewicz , V. Matveev , G. L. Melkumov , S. Morozov , S. Mrowczynski , T. Nakadaira , M. Naskret , M. Nirkko , K. Nishikawa , A. D. Panagiotou , M. Pavin , O. Petukhov , C. Pistillo , R. Planeta , B. A. Popov , M. Posiadala , S. Pulawski , J. Puzovic , W. Rauch , M. Ravonel , A. Redij , R. Renfordt , E. Richter-Was , A. Robert , D. Rohrich , E. Rondio , M. Roth , A. Rubbia , A. Rustamov , M. Rybczynski , A. Sadovsky , K. Sakashita , R. Sarnecki , K. Schmidt , T. Sekiguchi , A. Seryakov , P. Seyboth , D. Sgalaberna , M. Shibata , M. Slodkowski , P. Staszel , G. Stefanek , J. Stepaniak , H. Strobele , T. Susa , M. Szuba , M. Tada , A. Tefelska , D. Tefelski , V. Tereshchenko , R. Tsenov , L. Turko , R. Ulrich , M. Unger , M. Vassiliou , D. Veberic , V. V. Vechernin , G. Vesztergombi , L. Vinogradov , A. Wilczek , Z. Wlodarczyk , A. Wojtaszek-Szwarc , O. Wyszynski , L. Zambelli

Nucleon-nucleon momentum correlation function have been presented for nuclear reactions with neutron-rich or proton-rich projectiles using a nuclear transport theory, namely Isospin-Dependent Quantum Molecular Dynamics model. The…

Two-particle long-range azimuthal correlations are measured in photonuclear collisions using 1.7 nb$^{-1}$ of 5.02 TeV Pb+Pb collision data collected by the ATLAS experiment at the LHC. Candidate events are selected using a dedicated…

Nuclear Experiment · Physics 2021-07-21 ATLAS Collaboration

The momentum distribution of the electron in the reaction p+He $\rightarrow$ H + He$^{2+}$ + $e$ is measured for projectile energies $E_p$=300 and 630 keV/u at very small scattering angles of hydrogen. We mainly present two dimensional…

We assess the combined effect of ground-state correlations, meson-exchange and isobar currents upon the cross sections for quasielastic (e,e'p) reactions from nuclei. Four-momenta in the range 0.1 \leq Q^2 \leq 1 GeV^2 are addressed. We…

Nuclear Theory · Physics 2016-09-08 Jan Ryckebusch

Short range correlated (SRC) nucleon-nucleon pairs in nuclei are typically studied using measurements of electron-induced hard nucleon-knockout reactions (e.g. $(e,e'p)$ and $(e,e'pN)$), where the kinematics of the knocked-out nucleons are…

The two-particle momentum correlation function of a K^-p pair from high-energy nuclear collisions is evaluated in the KbarN-piSigma-piLambda coupled-channels framework. The effects of all coupled channels together with the Coulomb potential…

Nuclear Theory · Physics 2020-04-13 Yuki Kamiya , Tetsuo Hyodo , Kenji Morita , Akira Ohnishi , Wolfram Weise

Measurements of two-particle angular correlations of inclusive charged particles as well as identified strange hadron in pp and pPb collisions are presented over a wide range in pseudorapidity and full azimuth. The data were collected using…

Nuclear Experiment · Physics 2017-09-13 Zhenyu Chen

We discover a surprising relation between the collective motion of nucleons within atomic nuclei, traditionally understood to be driven by long-range correlations, and short-range nucleon-nucleon interactions. Specifically, we find that…

The production of W$^\pm$ bosons is studied in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of $\sqrt{s_\mathrm{NN}} =$ 8.16 TeV. Measurements are performed in the W$^\pm$ $\to$ $\mu^\pm\nu_\mu$ channel using a…

High Energy Physics - Experiment · Physics 2019-12-24 CMS Collaboration

For central PbPb collisions at a center of mass energy of 17.3 GeV/nucleon we have made the first two-dimensional measurement of the pp correlation function. These data extend the range of previous studies of HBT radii by a factor of two in…

Nuclear Experiment · Physics 2007-05-23 I. G. Bearden , NA44 Collaboration

Studies of hadron production in proton-proton collisions, including charged particle transverse momentum, pseudo-rapidity and event-by-event multiplicity distributions at \sqrt{s} = 0.9, 2.36 and 7 TeV are shown. Measured spectra of…

High Energy Physics - Experiment · Physics 2019-08-13 Yuan Chao

Measurements of prompt $\psi$(2S) meson production cross sections in proton-lead (pPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of $\sqrt{s_{_\mathrm{NN}}} =$ 5.02 TeV are reported. The results are based…

High Energy Physics - Experiment · Physics 2019-02-14 CMS Collaboration

In a recent experimental study (Gomez del Campo et al, PRL 86, 43 (2001)) of the reaction 17F(p,2p)16O, two-proton events were measured from excitations near a 1-, E*=6.15 MeV state in 18Ne. We calculate by means of R-matrix theory the…

Nuclear Theory · Physics 2009-11-07 L. V. Grigorenko , R. C. Johnson , I. J. Thompson , M. V. Zhukov

The nuclear mass dependence of the number of short-range correlated (SRC) proton-proton (pp) and proton-neutron (pn) pairs in nuclei is a sensitive probe of the dynamics of short-range pairs in the ground state of atomic nuclei. This work…

Nuclear Theory · Physics 2015-08-19 C. Colle , O. Hen , W. Cosyn , I. Korover , E. Piasetzky , J. Ryckebusch , L. B. Weinstein

The momentum spectra of K+ produced at small angles in proton-proton and proton-deuteron collisions have been measured at four beam energies, 1.826, 1.920, 2.020, and 2.650 GeV, using the ANKE spectrometer at COSY-Juelich. After making…