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Prompt $K_{S}^{0}$ production in $pp$ collisions at $\sqrt{s}$ = 0.9 TeV

The production of K_short mesons in pp collisions at a centre-of-mass energy of 0.9 TeV is studied with the LHCb detector at the Large Hadron Collider. The luminosity of the analysed sample is determined using a novel technique, involving measurements of the beam currents, sizes and positions, and i...

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Detalles Bibliográficos
Autores principales: Aaij, R, Abellan Beteta, C, Adeva, B, Adinolfi, M, Adrover, C, Affolder, A, Agari, M, Ajaltouni, Z, Albrecht, J, Alessio, F, Alexander, M, Alfonsi, M, Alvarez Cartelle, P, Alves Jr, A.A, Amato, S, Amhis, Y, Amoraal, J, Anderson, J, Antunes Nobrega, R, Appleby, R, Aquines Gutierrez, O, Arefyev, A, Arrabito, L, Artuso, M, Aslanides, E, Auriemma, G, Bachmann, S, Bagaturia, Y, Bailey, D.S, Balagura, V, Baldini, W, Barber, G, Barham, C, Barlow, R.J, Barsuk, S, Basiladze, S, Bates, A, Bauer, C, Bauer, Th, Bay, A, Bediaga, I, Bellunato, T, Belous, K, Belyaev, I, Benayoun, M, Bencivenni, G, Bernet, R, Bernhard, R.P, Bettler, M-O, van Beuzekom, M, Bibby, J.H, Bifani, S, Bizzeti, A, Bjrnstad, P.M, Blake, T, Blanc, F, Blanks, C, Blouw, J, Blusk, S, Bobrov, A, Bocci, V, Bochin, B, Bonaccorsi, E, Bondar, A, Bondar, N, Bonivento, W, Borghi, S, Borgia, A, Bos, E, Bowcock, T.J.V, Bozzi, C, Brambach, T, van den Brand, J, Brarda, L, Bressieux, J, Brisbane, S, Britsch, M, Brook, N.H, Brown, H, Brusa, S, Buchler-Germann, A, Bursche, A, Buytaert, J, Cadeddu, S, Caicedo Carvajal, J.M, Callot, O, Calvi, M, Calvo Gomez, M, Camboni, A, Cameron, W, Camilleri, L, Campana, P, Carbone, A, Carboni, G, Cardinale, R, Cardini, A, Carroll, J, Carson, L, Carvalho Akiba, K, Casse, G, Cattaneo, M, Chadaj, B, Charles, M, Charpentier, Ph, Cheng, J, Chiapolini, N, Chlopik, A, Christiansen, J, Ciambrone, P, Cid Vidal, X, Clark, P.J, Clarke, P.E.L, Clemencic, M, Cliff, H.V, Closier, J, Coca, C, Coco, V, Cogan, J, Collins, P, Comerma-Montells, A, Constantin, F, Conti, G, Contu, A, Cooke, P, Coombes, M, Corajod, B, Corti, G, Cowan, G.A, Currie, R, DAlmagne, B, DAmbrosio, C, DAntone, I, Da Silva, W, Dane, E, David, P, De Bonis, I, De Capua, S, De Cian, M, De Lorenzi, F, De Miranda, J.M, De Paula, L, De Simone, P, Decamp, D, Decreuse, G, Degaudenzi, H, Deissenroth, M, Del Buono, L, Densham, C.J, Deplano, C, Deschamps, O, Dettori, F, Dickens, J, Dijkstra, H, Dima, M, Donleavy, S, Dornan, P, Dossett, D, Dovbnya, A, Dumps, R, Dupertuis, F, Dwyer, L, Dzhelyadin, R, Eames, C, Easo, S, Egede, U, Egorychev, V, Eidelman, S, van Eijk, D, Eisele, F, Eisenhardt, S, Eklund, L, d'Enterria, D, Esperante Pereira, D, Est`eve, L, Fanchini, E, Farber, C, Fardell, G, Farinelli, C, Farry, S, Fave, V, Felici, G, Fernandez Albor, V, Ferro-Luzzi, M, Filippov, S, Fitzpatrick, C, Flegel, W, Fontanelli, F, Forti, C, Forty, R, Fournier, C, Franek, B, Frank, M, Frei, C, Frosini, M, Fungueirino Pazos, J.L, Furcas, S, Gallas Torreira, A, Galli, D, Gandelman, M, Gandini, P, Gao, Y, Garnier, J-C, Garrido, L, Gascon, D, Gaspar, C, Gaspar De Valenzuela Cue, A, Gassner, J, Gauvin, N, Gavillet, P, Gersabeck, M, Gershon, T, Ghez, Ph, Gibson, V, Gilitsky, Yu, Gligorov, V.V, Gobel, C, Golubkov, D, Golutvin, A, Gomes, A, Gong, G, Gong, H, Gordon, H, Grabalosa Gandara, M, Gracco, V, Graciani Diaz, R, Granado Cardoso, L.A, Grauges, E, Graziani, G, Grecu, A, Gregson, S, Guerrer, G, Gui, B, Gushchin, E, Guz, Yu, Guzik, Z, Gys, T, Haefeli, G, Haines, S.C, Hampson, T, Hansmann-Menzemer, S, Harji, R, Harnew, N, Harrison, P.F, He, J, Hennessy, K, Henrard, P, Hernando Morata, J.A, van Herwijnen, E, Hicheur, A, Hicks, E, Hilke, H.J, Hofmann, W, Holubyev, K, Hopchev, P, Hulsbergen, W, Hunt, P, Huse, T, Huston, R.S, Hutchcroft, D, Iacoangeli, F, Iakovenko, V, Iglesias Escudero, C, Ilgner, C, Imong, J, Jacobsson, R, Jahjah Hussein, M, Jamet, O, Jans, E, Jansen, F, Jaton, P, Jean-Marie, B, John, M, Johnson, D, Jones, C.R, Jost, B, Kapusta, F, Karbach, T.M, Kashchuk, A, Katvars, S, Keaveney, J, Kerzel, U, Ketel, T, Keune, A, Khalil, S, Khanji, B, Kim, Y.M, Knecht, M, Koblitz, S, Konoplyannikov, A, Koppenburg, P, Korolev, M, Kozlinskiy, A, Kravchuk, L, Kristic, R, Krocker, G, Krokovny, P, Kruse, F, Kruzelecki, K, Kucharczyk, M, Kudryashov, I, Kukulak, S, Kumar, R, Kvaratskheliya, T, La Thi, V.N, Lacarrere, D, Lai, A, Lambert, R.W, Lanfranchi, G, Langenbruch, C, Latham, T, Le Gac, R, Lees, J-P, Lef`evre, 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Zeng, M, Zhang, L, Zhang, Y, Zhelezov, A, Zverev, E
Lenguaje:eng
Publicado: 2010
Materias:
Acceso en línea:https://dx.doi.org/10.1016/j.physletb.2010.08.055
http://cds.cern.ch/record/1285983
Descripción
Sumario:The production of K_short mesons in pp collisions at a centre-of-mass energy of 0.9 TeV is studied with the LHCb detector at the Large Hadron Collider. The luminosity of the analysed sample is determined using a novel technique, involving measurements of the beam currents, sizes and positions, and is found to be 6.8 +/- 1.0 microbarn^-1. The differential prompt K_short production cross-section is measured as a function of the K_short transverse momentum and rapidity in the region 0 < pT < 1.6 GeV/c and 2.5 < y < 4.0. The data are found to be in reasonable agreement with previous measurements and generator expectations.