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High-xT single-spin asymmetry in pi0 and eta production at xF= 0 by 200 GeV polarized antiprotons and protons (Articolo in rivista)

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High-xT single-spin asymmetry in pi0 and eta production at xF= 0 by 200 GeV polarized antiprotons and protons (Articolo in rivista) (literal)

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DL Adams, N Akchurin, NI Belikov, J Bystricky, MD Corcoran, JD Cossairt, J Cranshaw, AA Derevschikov, H En'yo, H Funahashi, Y Goto, OA Grachov, DP Grosnick, DA Hill, K Imai, Y Itow, K Iwatani, KW Krueger, K Kuroda, M Laghai, F Lehar, A De Lesquen, D Lopiano, FC Luehring, T Maki, S Makino, A Masaike, Yu A Matulenko, AP Meschanin, A Michalowicz, Donald H Miller, K Miyake, T Nagamine, F Nessi-Tedaldi, M Nessi, C Nguyen, SB Nurushev, Y Ohashi, Y Onel, DI Patalakha, G Pauletta, A Penzo, Anthony L Read, JB Roberts, L Van Rossum, VL Rykov, Nobuhiko Saito, G Salvato, P Schiavon, J Skeens, VL Solovyanov, H Spinka, R Takashima, F Takeutchi, N Tamura, N Tanaka, DG Underwood, AN Vasiliev, A Villari, JL White, S Yamashita, A Yokosawa, T Yoshida, A Zanetti (1992)
High-xT single-spin asymmetry in pi0 and eta production at xF= 0 by 200 GeV polarized antiprotons and protons
in Physics letters. B (Print); Elsevier BV, Amsterdam (Paesi Bassi)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

DL Adams, N Akchurin, NI Belikov, J Bystricky, MD Corcoran, JD Cossairt, J Cranshaw, AA Derevschikov, H En'yo, H Funahashi, Y Goto, OA Grachov, DP Grosnick, DA Hill, K Imai, Y Itow, K Iwatani, KW Krueger, K Kuroda, M Laghai, F Lehar, A De Lesquen, D Lopiano, FC Luehring, T Maki, S Makino, A Masaike, Yu A Matulenko, AP Meschanin, A Michalowicz, Donald H Miller, K Miyake, T Nagamine, F Nessi-Tedaldi, M Nessi, C Nguyen, SB Nurushev, Y Ohashi, Y Onel, DI Patalakha, G Pauletta, A Penzo, Anthony L Read, JB Roberts, L Van Rossum, VL Rykov, Nobuhiko Saito, G Salvato, P Schiavon, J Skeens, VL Solovyanov, H Spinka, R Takashima, F Takeutchi, N Tamura, N Tanaka, DG Underwood, AN Vasiliev, A Villari, JL White, S Yamashita, A Yokosawa, T Yoshida, A Zanetti (literal)

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T.W. Bonner Nuclear Laboratory, Rice University, Houston, TX 77251, USA Department of Physics, University of Iowa, Iowa City, IA 52242, USA Institute of High Energy Physics, SU-142 284 Serpukhov, USSR CEN-Saclay, F-91191 Gif-sur-Yvette, France Fermi National Accelerator Laboratory, Batavia, IL 60510, USA Department of Physics, Kyoto University, Kyoto 606, Japan Argonne National Laboratory, Argonne, IL 60439, USA Hiroshima University, Higashi-Hiroshima 724, Japan Northeastern State University, Talequah, OK 74464, USA Laboratoire de Physique des Particules, B.P. 909, F-74017 Annecy-le-Vieux, France Physics Department, Northweastern University, Evanston, IL 60201, USA University of Occupational and Environmental Health, Kita-Kyushu 807, Japan University of Udine, I-33100 Udine, Italy Dipartimento di Fisica, Università di Trieste, I-34100 Trieste, Italy Dipartimento di Fisica, Università di Messina, I-98100 Messina, Italy Kyoto University of Education, Kyoto 612, Japan Kyoto-Sangyo University, Kyoto 612, Japan Okayama University, Okayama 700, Japan Los Alamos National Laboratory, Los Alamos, NM 87545, USA Osaka City University, Osaka 558, Japan (literal)

Titolo

High-xT single-spin asymmetry in pi0 and eta production at xF= 0 by 200 GeV polarized antiprotons and protons (literal)

Abstract

A measurement of the single-spin asymmetry A(N) in P up + P --> pi-0 + X at 200 GeV with x(F) = O shows a transition in the production process from a \"low-x(T)\" regime with A(N) = 0, through an intermediate region of negative asymmetry, to a \"high-x(T)\" regime with A(N) > 0.3. This transition occurs at x(T) almost-equal-to 0.4 and is consistent with x(T)-scaling of A(N) in pion production using polarized beams or targets from square-root -s = 5.2 to 19.4 GeV. Results for A(N) in eta-production by polarized protons and in pi-0 production by polarized antiprotons are also presented. (literal)

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