Single-spin asymmetries in inclusive charged pion production by transversely polarized antiprotons

A. Bravar; D. L. Adams; N. Akchurin; N. I. Belikov; B. E. Bonner; J. Bystricky; M. D. Corcoran; J. D. Cossairt; J. Cranshaw; A. A. Derevschikov; H. En’yo; H. Funahashi; Y. Goto; O. A. Grachov; D. P. Grosnick; D. A. Hill; T. Iijima; K. Imai; Y. Itow; K. Iwatani; Yu V. Kharlov; K. Kuroda; M. Laghai; F. Lehar; A. de Lesquen; D. Lopiano; F. C. Luehring; T. Maki; S. Makino; A. Masaike; Yu A. Matulenko; A. P. Meschanin; A. Michalowicz; D. H. Miller; K. Miyake; T. Nagamine; F. Nessi-Tedaldi; M. Nessi; C. Nguyen; S. B. Nurushev; Y. Ohashi; Y. Onel; D. I. Patalakha; G. Pauletta; A. Penzo; G. F. Rappazzo; A. L. Read; J. B. Roberts; L. van Rossum; V. L. Rykov; N. Saito; G. Salvato; P. Schiavon; J. Skeens; V. L. Solovyanov; H. Spinka; R. W. Stanek; R. Takashima; F. Takeutchi; N. Tamura; D. G. Underwood; A. N. Vasiliev; J. L. White; S. Yamashita; A. Yokosawa; T. Yoshida; A. M. Zanetti

doi:10.1103/PhysRevLett.77.2626

Single-spin asymmetries in inclusive charged pion production by transversely polarized antiprotons

A. Bravar, D. L. Adams, N. Akchurin, N. I. Belikov, B. E. Bonner, J. Bystricky, M. D. Corcoran, J. D. Cossairt, J. Cranshaw, A. A. Derevschikov, H. En’yo, H. Funahashi, Y. Goto, O. A. Grachov, D. P. Grosnick, D. A. Hill, T. Iijima, K. Imai, Y. Itow, K. IwataniYu V. Kharlov, K. Kuroda, M. Laghai, F. Lehar, A. de Lesquen, D. Lopiano, F. C. Luehring, T. Maki, S. Makino, A. Masaike, Yu A. Matulenko, A. P. Meschanin, A. Michalowicz, D. H. Miller, K. Miyake, T. Nagamine, F. Nessi-Tedaldi, M. Nessi, C. Nguyen, S. B. Nurushev, Y. Ohashi, Y. Onel, D. I. Patalakha, G. Pauletta, A. Penzo, G. F. Rappazzo, A. L. Read, J. B. Roberts, L. van Rossum, V. L. Rykov, N. Saito, G. Salvato, P. Schiavon, J. Skeens, V. L. Solovyanov, H. Spinka, R. W. Stanek, R. Takashima, F. Takeutchi, N. Tamura, D. G. Underwood, A. N. Vasiliev, J. L. White, S. Yamashita, A. Yokosawa, T. Yoshida, A. M. Zanetti

Physics

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Abstract

The analyzing power A_N in inclusive π⁻ and π⁺ production has been measured with a 200 GeV/c transversely polarized antiproton beam over a wide x_F range (0.2 ≤ x_F ≤ 0.9) and at moderate p_T(0.2 ≤ p_T ≤ 1.5GeV/c). The asymmetry A_N increases with increasing x_F from zero to large positive values for π^−′S, and decreases from zero to large negative values for π^+′S. A threshold for the onset of the asymmetry is observed about p_T ∼ 0.5 GeV/C, below which A_N is essentially zero and above which A_N ncreases (decreases) with p_T for π^−′S (π^+′S) in the covered p_T range.

Original language	English
Pages (from-to)	2626-2629
Number of pages	4
Journal	Physical Review Letters
Volume	77
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.77.2626
State	Published - 1996

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10.1103/PhysRevLett.77.2626

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Bravar, A., Adams, D. L., Akchurin, N., Belikov, N. I., Bonner, B. E., Bystricky, J., Corcoran, M. D., Cossairt, J. D., Cranshaw, J., Derevschikov, A. A., En’yo, H., Funahashi, H., Goto, Y., Grachov, O. A., Grosnick, D. P., Hill, D. A., Iijima, T., Imai, K., Itow, Y., ... Zanetti, A. M. (1996). Single-spin asymmetries in inclusive charged pion production by transversely polarized antiprotons. Physical Review Letters, 77(13), 2626-2629. https://doi.org/10.1103/PhysRevLett.77.2626

@article{d43f214b65374a3ebcf0304f0f456aef,

title = "Single-spin asymmetries in inclusive charged pion production by transversely polarized antiprotons",

abstract = "The analyzing power AN in inclusive π− and π+ production has been measured with a 200 GeV/c transversely polarized antiproton beam over a wide xF range (0.2 ≤ xF ≤ 0.9) and at moderate pT(0.2 ≤ pT ≤ 1.5GeV/c). The asymmetry AN increases with increasing xF from zero to large positive values for π−′S, and decreases from zero to large negative values for π+′S. A threshold for the onset of the asymmetry is observed about pT ∼ 0.5 GeV/C, below which AN is essentially zero and above which AN ncreases (decreases) with pT for π−′S (π+′S) in the covered pT range.",

author = "A. Bravar and Adams, {D. L.} and N. Akchurin and Belikov, {N. I.} and Bonner, {B. E.} and J. Bystricky and Corcoran, {M. D.} and Cossairt, {J. D.} and J. Cranshaw and Derevschikov, {A. A.} and H. En{\textquoteright}yo and H. Funahashi and Y. Goto and Grachov, {O. A.} and Grosnick, {D. P.} and Hill, {D. A.} and T. Iijima and K. Imai and Y. Itow and K. Iwatani and Kharlov, {Yu V.} and K. Kuroda and M. Laghai and F. Lehar and {de Lesquen}, A. and D. Lopiano and Luehring, {F. C.} and T. Maki and S. Makino and A. Masaike and Matulenko, {Yu A.} and Meschanin, {A. P.} and A. Michalowicz and Miller, {D. H.} and K. Miyake and T. Nagamine and F. Nessi-Tedaldi and M. Nessi and C. Nguyen and Nurushev, {S. B.} and Y. Ohashi and Y. Onel and Patalakha, {D. I.} and G. Pauletta and A. Penzo and Rappazzo, {G. F.} and Read, {A. L.} and Roberts, {J. B.} and {van Rossum}, L. and Rykov, {V. L.} and N. Saito and G. Salvato and P. Schiavon and J. Skeens and Solovyanov, {V. L.} and H. Spinka and Stanek, {R. W.} and R. Takashima and F. Takeutchi and N. Tamura and Underwood, {D. G.} and Vasiliev, {A. N.} and White, {J. L.} and S. Yamashita and A. Yokosawa and T. Yoshida and Zanetti, {A. M.}",

year = "1996",

doi = "10.1103/PhysRevLett.77.2626",

language = "English",

volume = "77",

pages = "2626--2629",

journal = "Physical Review Letters",

issn = "0031-9007",

number = "13",

}

Bravar, A, Adams, DL, Akchurin, N, Belikov, NI, Bonner, BE, Bystricky, J, Corcoran, MD, Cossairt, JD, Cranshaw, J, Derevschikov, AA, En’yo, H, Funahashi, H, Goto, Y, Grachov, OA, Grosnick, DP, Hill, DA, Iijima, T, Imai, K, Itow, Y, Iwatani, K, Kharlov, YV, Kuroda, K, Laghai, M, Lehar, F, de Lesquen, A, Lopiano, D, Luehring, FC, Maki, T, Makino, S, Masaike, A, Matulenko, YA, Meschanin, AP, Michalowicz, A, Miller, DH, Miyake, K, Nagamine, T, Nessi-Tedaldi, F, Nessi, M, Nguyen, C, Nurushev, SB, Ohashi, Y, Onel, Y, Patalakha, DI, Pauletta, G, Penzo, A, Rappazzo, GF, Read, AL, Roberts, JB, van Rossum, L, Rykov, VL, Saito, N, Salvato, G, Schiavon, P, Skeens, J, Solovyanov, VL, Spinka, H, Stanek, RW, Takashima, R, Takeutchi, F, Tamura, N, Underwood, DG, Vasiliev, AN, White, JL, Yamashita, S, Yokosawa, A, Yoshida, T & Zanetti, AM 1996, 'Single-spin asymmetries in inclusive charged pion production by transversely polarized antiprotons', Physical Review Letters, vol. 77, no. 13, pp. 2626-2629. https://doi.org/10.1103/PhysRevLett.77.2626

TY - JOUR

T1 - Single-spin asymmetries in inclusive charged pion production by transversely polarized antiprotons

AU - Bravar, A.

AU - Adams, D. L.

AU - Akchurin, N.

AU - Belikov, N. I.

AU - Bonner, B. E.

AU - Bystricky, J.

AU - Corcoran, M. D.

AU - Cossairt, J. D.

AU - Cranshaw, J.

AU - Derevschikov, A. A.

AU - En’yo, H.

AU - Funahashi, H.

AU - Goto, Y.

AU - Grachov, O. A.

AU - Grosnick, D. P.

AU - Hill, D. A.

AU - Iijima, T.

AU - Imai, K.

AU - Itow, Y.

AU - Iwatani, K.

AU - Kharlov, Yu V.

AU - Kuroda, K.

AU - Laghai, M.

AU - Lehar, F.

AU - de Lesquen, A.

AU - Lopiano, D.

AU - Luehring, F. C.

AU - Maki, T.

AU - Makino, S.

AU - Masaike, A.

AU - Matulenko, Yu A.

AU - Meschanin, A. P.

AU - Michalowicz, A.

AU - Miller, D. H.

AU - Miyake, K.

AU - Nagamine, T.

AU - Nessi-Tedaldi, F.

AU - Nessi, M.

AU - Nguyen, C.

AU - Nurushev, S. B.

AU - Ohashi, Y.

AU - Onel, Y.

AU - Patalakha, D. I.

AU - Pauletta, G.

AU - Penzo, A.

AU - Rappazzo, G. F.

AU - Read, A. L.

AU - Roberts, J. B.

AU - van Rossum, L.

AU - Rykov, V. L.

AU - Saito, N.

AU - Salvato, G.

AU - Schiavon, P.

AU - Skeens, J.

AU - Solovyanov, V. L.

AU - Spinka, H.

AU - Stanek, R. W.

AU - Takashima, R.

AU - Takeutchi, F.

AU - Tamura, N.

AU - Underwood, D. G.

AU - Vasiliev, A. N.

AU - White, J. L.

AU - Yamashita, S.

AU - Yokosawa, A.

AU - Yoshida, T.

AU - Zanetti, A. M.

PY - 1996

Y1 - 1996

N2 - The analyzing power AN in inclusive π− and π+ production has been measured with a 200 GeV/c transversely polarized antiproton beam over a wide xF range (0.2 ≤ xF ≤ 0.9) and at moderate pT(0.2 ≤ pT ≤ 1.5GeV/c). The asymmetry AN increases with increasing xF from zero to large positive values for π−′S, and decreases from zero to large negative values for π+′S. A threshold for the onset of the asymmetry is observed about pT ∼ 0.5 GeV/C, below which AN is essentially zero and above which AN ncreases (decreases) with pT for π−′S (π+′S) in the covered pT range.

AB - The analyzing power AN in inclusive π− and π+ production has been measured with a 200 GeV/c transversely polarized antiproton beam over a wide xF range (0.2 ≤ xF ≤ 0.9) and at moderate pT(0.2 ≤ pT ≤ 1.5GeV/c). The asymmetry AN increases with increasing xF from zero to large positive values for π−′S, and decreases from zero to large negative values for π+′S. A threshold for the onset of the asymmetry is observed about pT ∼ 0.5 GeV/C, below which AN is essentially zero and above which AN ncreases (decreases) with pT for π−′S (π+′S) in the covered pT range.

UR - http://www.scopus.com/inward/record.url?scp=4243719012&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.77.2626

DO - 10.1103/PhysRevLett.77.2626

M3 - Article

AN - SCOPUS:4243719012

SN - 0031-9007

VL - 77

SP - 2626

EP - 2629

JO - Physical Review Letters

JF - Physical Review Letters

IS - 13

ER -

Single-spin asymmetries in inclusive charged pion production by transversely polarized antiprotons

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