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3541“…Both models are then applied to compute pion production cross sections for nucleons incident on Pb, Cu and Al, and pion absorption cross sections in nuclear matter. …”
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3542“…We propose a class of axion models with generation-dependent Peccei-Quinn charges for the known fermions that allow one to suppress the axion couplings to nucleons and electrons. Astrophysical limits are thus relaxed, allowing for axion masses up to O(0.1) eV. …”
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3543por Bressan, Andrea“…Azimuthal asymmetries measured in unpolarized semi-inclusive deep inelastic scattering bring important information on the inner structure of the nucleons, and can be used both to estimate the average quark transverse momentum k_T and to access the so-far unmeasured Boer-Mulders functions. …”
Publicado 2009
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3544por Wozniak, Krzysztof“…The analysis of $p$+Pb collisions at $\sqrt{s_{_{\rm NN}}}=5.02$ TeV provides an opportunity to study the interactions between nucleons in a much smaller volume, but unlike the $pp$ collisions, affected by nuclear effects. …”
Publicado 2015
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3545por Alt, C, Anticic, T, Baatar, B, Barna, D, Bartke, Jerzy, Betev, L, Bialkowska, H, Billmeier, A, Blume, C, Boimska, B, Botje, M, Bracinik, J, Bramm, R, Brun, R, Buncic, P, Cerny, V, Christakoglou, P, Chvala, O, Cramer, J G, Csató, P, Darmenov, N, Dimitrov, A, Dinkelaker, P, Eckardt, V, Farantatos, G, Flierl, D, Fodor, Z, Foka, P Y, Freund, P, Friese, V, Gál, J, Gazdzicki, M, Georgopoulos, G, Gladysz-Dziadus, E, Grebieszkow, K, Hegyi, S, Höhne, C, Kadija, K, Karev, A, Kliemant, M, Kniege, S, Kolesnikov, V I, Kollegger, T, Kornas, E, Korus, R, Kowalski, M, Kraus, I, Kreps, M, Van Leeuwen, M, Lévai, Peter, Litov, L, Lungwitz, B, Makariev, M, Malakhov, A I, Markert, C, Mateev, M, Mayes, B W, Melkumov, G L, Meurer, C, Mischke, A, Mitrovski, M, Molnár, J, Mrówczynski, S, Pálla, G, Panagiotou, A D, Panayotov, D, Petridis, A, Pikna, M, Pinsky, L, Pühlhofer, F, Reid, J G, Renfordt, R E, Richard, A, Roland, C, Roland, G, Rybczynski, M, Rybicki, A, Sandoval, A, Sann, H, Schmitz, N, Seyboth, P, Siklér, F, Sitár, B, Skrzypczak, E, Stefanek, G, Stock, R, Ströbele, H, Susa, T, Szentpétery, I, Sziklai, J, Trainor, T A, Trubnikov, V, Varga, D, Vassiliou, Maria, Veres, G I, Vesztergombi, G, Vranic, D, Wetzler, A, Wlodarczyk, Z, Yoo, I K, Zaranek, J, Zimányi, J“…Its fast rise and the saturation observed at about 60 participating nucleons can be understood as onset of the formation of coherent partonic subsystems of increasing size.…”
Publicado 2004
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3546“…In this work we propose a generalization to baryons and test our method on two-point correlation functions of left-handed nucleons, computed with quenched Neuberger fermions on a lattice with extension L=1.5 fm. …”
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3547“…The nuclear structure and models of the nucleus are also considered.Comprised of four chapters, this volume begins with a review of the characteristics of nucleons and other particles that play a role in nuclear interaction processes in order to gain furt…”
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3548por Bilenky, Samoil Mikhelevich“…Topics presented include methods for calculating the matrix elements (by perturbation theory) and the basic rules for constructing Feynman diagrams; techniques for calculating cross sections and polarizations; processes in which both leptons and hadrons take part; and the electromagnetic and weak form factors of nucleons. Experimental physicists and graduate students of physics will…”
Publicado 1974
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3549por Zabinski, B“…Analysis methods, centrality determination and the particle production dependence on the number of nucleons participating in the collisions are presented.…”
Publicado 2014
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3550por Bruna, Elena“…One of them is the strong interaction, described by the theory of Quantum ChromoDynamics (QCD), responsible for the confinement of quarks inside nucleons. The only way to free experimentally quarks from their confined state is to put the nuclear matter under extreme conditions of high temperature and/or energy density with relativistic collisions of heavy ions. …”
Publicado 2014
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3551por Duan, Weisong“…The photo-produced $J/\psi$ yields in peripheral PbPb collisions is measured as a function of rapidity, transverse momentum, and the number of participating nucleons, <$N_{\mathrm{part}}$>. The results of the analyses are compared to theoretical predictions.…”
Publicado 2022
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3552“…It leads to strict saturation of the particle (pseudo-)rapidity density, normalised to the number of participant nucleons, as that number increases. A comparison with recent WA98 data is presented.…”
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3553por Mohanty, Bedangadas“…These include study of pseudo-rapidity distributions of photons, scaling of photon multiplicity with number of participating nucleons, centrality dependence of mean transverse momentum of photons, event-by-event fluctuations in photon multiplicity and localised charged-neutral fluctuations. …”
Publicado 2002
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3554por Lüscher, Martin“…One of the fundamental questions in this context is how precisely the world of mesons and nucleons is related to the properties of the theory at high energies, where quarks and gluons are the important degrees of freedom. …”
Publicado 2002
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3555por Antinori, Federico, Badal, Barbera, R, Bloodworth, Ian J, Botje, M, Caliandro, R, Campbell, M, Cantatore, E, Carena, W, Carrer, N, De Haas, A P, Di Bari, D, Di Liberto, S, Divià, R, Elia, D, Evans, D, Fanebust, K, Fedorisin, J, Feofilov, G A, Fini, R A, Ftácnik, J, Ghidini, B, Grella, G, Gulino, M, Helstrup, H, Holme, A K, Jacholkowski, A, Jones, G T, Jovanovic, P, Jusko, A, Kamermans, R, Kinson, J B, Klempt, W, Knudson, K, Kocper, B, Kolojvari, A A, Králik, I, Kuijer, P, Lenti, V, Lietava, R, Løvhøiden, G, Lupták, M, Manzari, V, Mazzoni, M A, Martinská, G, Meddi, F, Michalon, A, Michalon-Mentzer, M E, Morando, M, Muigg, D, Nappi, E, Navach, F, Norman, P I, Palmeri, A, Pappalardo, G S, Pastircák, B, Pisút, J, Pisútová, N, Posa, F, Quercigh, Emanuele, Riggi, F, Röhrich, D, Romano, G, Safarík, K, Sándor, L, Schillings, E, Sené, M, Sené, R, Segato, G F, Snoeys, W, Staroba, P, Thompson, M, Tomasicchio, G, Torrieri, G D, Tulina, T A, Tveter, T S, Urbán, J, Valiev, F F, Van den Brink, A, Van de Ven, P, Van de Vyvre, P, van Eijndhoven, N, Vannucci, Luigi, Vascotto, Alessandro, Villalobos Baillie, O, Vinogradov, I, Virgili, T, Votruba, M F, Vrláková, J, Závada, P“…The main aim of NA57 is to investigate the behaviour of the enhancement of the production of particles with strangeness |s|=1,2,3 in nucleus-nucleus collisions at the variation of the energy and of the centrality of the collision defined, e.g. as the number of participant nucleons. We shall recall the main features of the experimental set-up, and we shall illustrate the collected data samples and the status of their analysis.…”
Publicado 2001
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3556por Manninen, J“…By analyzing hadronic multiplicities within the statistical hadronization approach, the chemical equilibration of p-p, C-C, Si-Si and Pb-Pb systems is studied as a function of the number of participating nucleons in the system. Additionally, Two Component statistical hadronization model is applied to the data and is found to be able to explain the observed strangeness hadronic phase space under-saturation.…”
Publicado 2004
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3557“…A search has been made for direct single electrons and positrons in the interactions of 1.6 GeV/c antiprotons with nucleons. At the 90% confidence level the rate of production was found to be e/sup -// pi /sub charged/<5.5*10/sup -5/ and e/sup +// pi /sub charged/<4.8*10/sup -5/. …”
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3558por Alt, C, Anticic, T, Baatar, B, Barna, D, Bartke, J, Betev, L, Bialkowska, H, Billmeier, A, Blume, C, Boimska, B, Botje, M, Bracinik, J, Bramm, R, Brun, R, Buncic, P, Cerny, V, Christakoglou, P, Chvala, O, Cramer, J G, Csató, P, Darmenov, N, Dimitrov, A, Dinkelaker, P, Eckardt, V, Farantatos, G, Flierl, D, Fodor, Z, Foka, P, Freund, P, Friese, V, Gál, J, Gazdzicki, M, Georgopoulos, G, Gladysz-Dziadus, E, Grebieszkow, K, Hegyi, S, Höhne, C, Kadija, K, Karev, A, Kliemant, M, Kniege, S, Kolesnikov, V I, Kollegger, T, Kornas, E, Korus, R, Kowalski, M, Kraus, I, Kreps, M, Van Leeuwen, M, Lévai, Peter, Litov, L, Lungwitz, B, Makariev, M, Malakhov, A I, Markert, C, Mateev, M, Mayes, B W, Melkumov, G L, Meurer, C, Mischke, A, Mitrovski, M, Molnár, J, Mrówczynski, S, Pálla, G, Panagiotou, A D, Panayotov, D, Petridis, A, Pikna, M, Pinsky, L, Pühlhofer, F, Reid, J G, Renfordt, R, Richard, A, Roland, C, Roland, G, Rybczynski, M, Rybicki, A, Sandoval, A, Sann, H, Schmitz, N, Seyboth, P, Siklér, F, Sitár, B, Skrzypczak, E, Stefanek, G, Stock, R, Ströbele, H, Susa, T, Szentpétery, I, Sziklai, J, Trainor, T A, Trubnikov, V, Varga, D, Vassiliou, M, Veres, G I, Vesztergombi, G, Vranic, D, Wetzler, A, Wlodarczyk, Z, Yoo, I K, Zaranek, J, Zimányi, J“…Its fast rise and the saturation observed at about 60 participating nucleons can be understood as the onset of the formation of coherent systems of increasing size. copy 2005 The American Physical Society.…”
Publicado 2005
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3559por Mitrofanov, Evgenii“…The EMC effect or a modification of parton distributions in bound nucleons as compared to free ones, has been extensively studied during the last 30 years but its full understanding is still lacking. …”
Publicado 2018
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3560“…Starting with an effective theory describing the interactions of fermionic and scalar dark matter with quarks, gluons and photons via higher dimension operators that would arise from dimension-five and dimension-six operators above electroweak scale, we perform a nonperturbative matching onto a heavy baryon chiral perturbation theory that describes dark matter interactions with light mesons and nucleons. This is then used to obtain the coefficients of the nuclear response functions using a chiral effective theory description of nuclear forces. …”
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