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Spin transfer in inclusive Lambda(0) production by transversely polarized protons at 200 GeV/c
- Source :
- Physical review letters, 78 (1997): 4003–4006. doi:10.1103/PhysRevLett.78.4003, info:cnr-pdr/source/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/titolo:Spin transfer in inclusive Lambda(0) production by transversely polarized protons at 200 GeV%2Fc/doi:10.1103%2FPhysRevLett.78.4003/rivista:Physical review letters (Print)/anno:1997/pagina_da:4003/pagina_a:4006/intervallo_pagine:4003–4006/volume:78
- Publication Year :
- 1997
- Publisher :
- American Physical Society., [Woodbury, N.Y., etc.], Stati Uniti d'America, 1997.
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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).
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Physical review letters, 78 (1997): 4003–4006. doi:10.1103/PhysRevLett.78.4003, info:cnr-pdr/source/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/titolo:Spin transfer in inclusive Lambda(0) production by transversely polarized protons at 200 GeV%2Fc/doi:10.1103%2FPhysRevLett.78.4003/rivista:Physical review letters (Print)/anno:1997/pagina_da:4003/pagina_a:4006/intervallo_pagine:4003–4006/volume:78
- Accession number :
- edsair.cnr...........25e1a0a9a4367509ffcf635b72ceff4e
- Full Text :
- https://doi.org/10.1103/PhysRevLett.78.4003