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Spin transfer in inclusive Lambda(0) production by transversely polarized protons at 200 GeV/c (Articolo in rivista)

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Spin transfer in inclusive Lambda(0) production by transversely polarized protons at 200 GeV/c (Articolo in rivista) (literal)

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

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A Bravar, DL Adams, N Akchurin, NI Belikov, BE Bonner, J Bystricky, MD Corcoran, JD Cossairt, J Cranshaw, AA Derevschikov, H En'yo, H Funahashi, Y Goto, OA Grachov, DP Grosnick, DA Hill, T Iijima, K Imai, Y Itow, K Iwatani, 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, GF Rappazzo, Anthony L Read, JB Roberts, L van Rossum, VL Rykov, N Saito, G Salvato, P Schiavon, J Skeens, VL Solovyanov, H Spinka, RW Stanek, R Takashima, F Takeutchi, N Tamura, DG Underwood, AN Vasiliev, JL White, S Yamashita, A Yokosawa, T Yoshida, AM Zanetti (1997)
Spin transfer in inclusive Lambda(0) production by transversely polarized protons at 200 GeV/c
in Physical review letters (Print); The American Physical Society, College Park, MD 20740-3844 (Stati Uniti d'America)
(literal)

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

A Bravar, DL Adams, N Akchurin, NI Belikov, BE Bonner, J Bystricky, MD Corcoran, JD Cossairt, J Cranshaw, AA Derevschikov, H En'yo, H Funahashi, Y Goto, OA Grachov, DP Grosnick, DA Hill, T Iijima, K Imai, Y Itow, K Iwatani, 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, GF Rappazzo, Anthony L Read, JB Roberts, L van Rossum, VL Rykov, N Saito, G Salvato, P Schiavon, J Skeens, VL Solovyanov, H Spinka, RW Stanek, R Takashima, F Takeutchi, N Tamura, DG Underwood, AN Vasiliev, JL White, S Yamashita, A Yokosawa, T Yoshida, AM Zanetti (literal)

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ARGONNE NATL LAB,ARGONNE,IL 60439 CENS,CEA,DAPNIA,SPP,F-91191 GIF SUR YVETTE,FRANCE FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510 HIROSHIMA UNIV,HIGASHIHIROSHIMA 724,JAPAN INST HIGH ENERGY PHYS,PROTVINO 142284,RUSSIA UNIV IOWA,DEPT PHYS & ASTRON,IOWA CITY,IA 52242 UNIV OCCUPAT & ENVIRONM HLTH,KITAKYUSHU,FUKUOKA 807,JAPAN KYOTO UNIV,DEPT PHYS,KYOTO 60601,JAPAN KYOTO UNIV,KYOTO 612,JAPAN KYOTO SANGYO UNIV,KYOTO 612,JAPAN PHYS PARTICULES LAB,F-74017 ANNECY LE VIEUX,FRANCE UNIV MESSINA,DIPARTIMENTO FIS,I-98100 MESSINA,ITALY IST NAZL FIS NUCL,I-98100 MESSINA,ITALY NORTHWESTERN UNIV,DEPT PHYS,EVANSTON,IL 60201 OKAYAMA UNIV,DEPT PHYS,OKAYAMA 800,JAPAN OSAKA CITY UNIV,OSAKA 558,JAPAN RICE UNIV,TW BONNER NUCL LAB,HOUSTON,TX 77251 UNIV TRIESTE,DIPARTIMENTO FIS,I-34100 TRIESTE,ITALY IST NAZL FIS NUCL,I-34100 TRIESTE,ITALY UNIV UDINE,I-33100 UDINE,ITALY IST NAZL FIS NUCL,I-33100 UDINE,ITALY (literal)

Titolo

Spin transfer in inclusive Lambda(0) production by transversely polarized protons at 200 GeV/c (literal)

Abstract

Surprisingly large polarizations in hyperon production by unpolarized protons have been known for a long time. The spin dynamics of the production process can be further investigated with polarized beams. Recently, a negative asymmetry A(N) was found in inclusive Lambda(0) production with a 200 GeV/c transversely polarized proton beam. The depolarization D-NN in p up arrow + p --> Lambda(0) + X has been measured with the same beam over a wide x(F) range and at moderate p(tau). D-NN reaches positive values of about 30% at high x(F) and p(T) similar to 1.0 Ge V/c. This result shows a sizable spin transfer from the incident polarized proton to the outgoing Lambda(0). (literal)

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