Large analyzing power in inclusive π ± production at high X F with a 22-GeV / c polarized proton beam

K. Krueger, C. Allgower, T. Kasprzyk, H. Spinka, D. Underwood, A. Yokosawa, G. Bunce, H. Huang, Y. Makdisi, T. Roser, M. Syphers, N. I. Belikov, A. A. Derevschikov, Yu A. Matulenko, L. V. Nogach, S. B. Nurushev, A. I. Pavlinov, A. N. Vasiliev, M. Bai, S. Y. Lee & 20 others Y. Goto, N. Hayashi, T. Ichihara, M. Okamura, N. Saito, H. En'yo, K. Imai, Y. Kondo, Y. Nakada, M. Nakamura, H. D. Sato, H. Okamura, H. Sakai, Tomotsugu Wakasa, V. Baturine, A. Ogawa, V. Ghazikhanian, G. Igo, S. Trentalange, C. Whitten

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Abstract

The analyzing power, AN, in inclusive charged-pion production has been measured using a ∼ 22-GeV/c transversely-polarized proton beam on a carbon target. A large AN was found for xF > 0.5 and for 0.6 <PT 1.2 GeV/c, with similar magnitudes and opposite sign for π+ and π-. This mirror behavior and the magnitudes are similar to π± production from 200-GeV/c polarized protons on a hydrogen target. The analyzing power for inclusive proton production has also been measured and is consistent with zero.

Original languageEnglish
Pages (from-to)412-416
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume459
Issue number1-3
DOIs
Publication statusPublished - Jan 1 1999

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proton beams
protons
pions
mirrors
carbon
hydrogen

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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Large analyzing power in inclusive π ± production at high X F with a 22-GeV / c polarized proton beam. / Krueger, K.; Allgower, C.; Kasprzyk, T.; Spinka, H.; Underwood, D.; Yokosawa, A.; Bunce, G.; Huang, H.; Makdisi, Y.; Roser, T.; Syphers, M.; Belikov, N. I.; Derevschikov, A. A.; Matulenko, Yu A.; Nogach, L. V.; Nurushev, S. B.; Pavlinov, A. I.; Vasiliev, A. N.; Bai, M.; Lee, S. Y.; Goto, Y.; Hayashi, N.; Ichihara, T.; Okamura, M.; Saito, N.; En'yo, H.; Imai, K.; Kondo, Y.; Nakada, Y.; Nakamura, M.; Sato, H. D.; Okamura, H.; Sakai, H.; Wakasa, Tomotsugu; Baturine, V.; Ogawa, A.; Ghazikhanian, V.; Igo, G.; Trentalange, S.; Whitten, C.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 459, No. 1-3, 01.01.1999, p. 412-416.

Research output: Contribution to journalArticle

Krueger, K, Allgower, C, Kasprzyk, T, Spinka, H, Underwood, D, Yokosawa, A, Bunce, G, Huang, H, Makdisi, Y, Roser, T, Syphers, M, Belikov, NI, Derevschikov, AA, Matulenko, YA, Nogach, LV, Nurushev, SB, Pavlinov, AI, Vasiliev, AN, Bai, M, Lee, SY, Goto, Y, Hayashi, N, Ichihara, T, Okamura, M, Saito, N, En'yo, H, Imai, K, Kondo, Y, Nakada, Y, Nakamura, M, Sato, HD, Okamura, H, Sakai, H, Wakasa, T, Baturine, V, Ogawa, A, Ghazikhanian, V, Igo, G, Trentalange, S & Whitten, C 1999, 'Large analyzing power in inclusive π ± production at high X F with a 22-GeV / c polarized proton beam', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 459, no. 1-3, pp. 412-416. https://doi.org/10.1016/S0370-2693(99)00677-2
Krueger, K. ; Allgower, C. ; Kasprzyk, T. ; Spinka, H. ; Underwood, D. ; Yokosawa, A. ; Bunce, G. ; Huang, H. ; Makdisi, Y. ; Roser, T. ; Syphers, M. ; Belikov, N. I. ; Derevschikov, A. A. ; Matulenko, Yu A. ; Nogach, L. V. ; Nurushev, S. B. ; Pavlinov, A. I. ; Vasiliev, A. N. ; Bai, M. ; Lee, S. Y. ; Goto, Y. ; Hayashi, N. ; Ichihara, T. ; Okamura, M. ; Saito, N. ; En'yo, H. ; Imai, K. ; Kondo, Y. ; Nakada, Y. ; Nakamura, M. ; Sato, H. D. ; Okamura, H. ; Sakai, H. ; Wakasa, Tomotsugu ; Baturine, V. ; Ogawa, A. ; Ghazikhanian, V. ; Igo, G. ; Trentalange, S. ; Whitten, C. / Large analyzing power in inclusive π ± production at high X F with a 22-GeV / c polarized proton beam. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1999 ; Vol. 459, No. 1-3. pp. 412-416.
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AU - Krueger, K.

AU - Allgower, C.

AU - Kasprzyk, T.

AU - Spinka, H.

AU - Underwood, D.

AU - Yokosawa, A.

AU - Bunce, G.

AU - Huang, H.

AU - Makdisi, Y.

AU - Roser, T.

AU - Syphers, M.

AU - Belikov, N. I.

AU - Derevschikov, A. A.

AU - Matulenko, Yu A.

AU - Nogach, L. V.

AU - Nurushev, S. B.

AU - Pavlinov, A. I.

AU - Vasiliev, A. N.

AU - Bai, M.

AU - Lee, S. Y.

AU - Goto, Y.

AU - Hayashi, N.

AU - Ichihara, T.

AU - Okamura, M.

AU - Saito, N.

AU - En'yo, H.

AU - Imai, K.

AU - Kondo, Y.

AU - Nakada, Y.

AU - Nakamura, M.

AU - Sato, H. D.

AU - Okamura, H.

AU - Sakai, H.

AU - Wakasa, Tomotsugu

AU - Baturine, V.

AU - Ogawa, A.

AU - Ghazikhanian, V.

AU - Igo, G.

AU - Trentalange, S.

AU - Whitten, C.

PY - 1999/1/1

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N2 - The analyzing power, AN, in inclusive charged-pion production has been measured using a ∼ 22-GeV/c transversely-polarized proton beam on a carbon target. A large AN was found for xF > 0.5 and for 0.6 <PT 1.2 GeV/c, with similar magnitudes and opposite sign for π+ and π-. This mirror behavior and the magnitudes are similar to π± production from 200-GeV/c polarized protons on a hydrogen target. The analyzing power for inclusive proton production has also been measured and is consistent with zero.

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