Measurements of asymmetries of pion single charge exchange on polarized 3He at 200 MeV

Q. Zhao; G. Burleson; S. Blanchard; T. Chang; W. Gibbs; J. Haas; B. Park; M. Whitton; M. Espy; D. Dehnhard; B. Larson; J. O'Donnell; M. Palarczyk; W. Cummings; P. Delheij; O. Häusser; E. Pasyuk; M. Gostkin; J. Amann; R. Boudrie; C. Riedel; C. Morris; S. Pentillä; D. Swenson; D. Tupa; J. Comfort; C. Gaulard; K. Maeda; G. Glass; I. Supek

doi:10.1103/PhysRevC.60.024001

Measurements of asymmetries of pion single charge exchange on polarized ³He at 200 MeV

Q. Zhao, G. Burleson, S. Blanchard, T. Chang, W. Gibbs, J. Haas, B. Park, M. Whitton, M. Espy, D. Dehnhard, B. Larson, J. O'Donnell, M. Palarczyk, W. Cummings, P. Delheij, O. Häusser, E. Pasyuk, M. Gostkin, J. Amann, R. BoudrieC. Riedel, C. Morris, S. Pentillä, D. Swenson, D. Tupa, J. Comfort, C. Gaulard, K. Maeda, G. Glass, I. Supek

Physics

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Abstract

Asymmetries for the (π^-, π⁰) reaction on polarized ³He were measured using a 200-MeV pion beam at LAMPF. The π^0, s were detected with the neutral meson spectrometer in coincidence with the recoiling tritons. A recoil triton detector, consisting of scintillation-counter telescopes and a wire chamber, was used to measure the time-of-flight, energy loss, and direction of the tritons. The polarized gaseous ³He target, developed at TRIUMF, was modified to run with two diode lasers; the polarization reached 65%. The asymmetries between θlab =60° and 105° were found to be strongly angle dependent. The results are compared with theoretical calculations.

Original language	English (US)
Article number	024001
Pages (from-to)	240011-2400111
Number of pages	2160101
Journal	Physical Review C - Nuclear Physics
Volume	60
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.60.024001
State	Published - Aug 1999

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.60.024001

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Zhao, Q., Burleson, G., Blanchard, S., Chang, T., Gibbs, W., Haas, J., Park, B., Whitton, M., Espy, M., Dehnhard, D., Larson, B., O'Donnell, J., Palarczyk, M., Cummings, W., Delheij, P., Häusser, O., Pasyuk, E., Gostkin, M., Amann, J., ... Supek, I. (1999). Measurements of asymmetries of pion single charge exchange on polarized ³He at 200 MeV. Physical Review C - Nuclear Physics, 60(2), 240011-2400111. Article 024001. https://doi.org/10.1103/PhysRevC.60.024001

Zhao, Q, Burleson, G, Blanchard, S, Chang, T, Gibbs, W, Haas, J, Park, B, Whitton, M, Espy, M, Dehnhard, D, Larson, B, O'Donnell, J, Palarczyk, M, Cummings, W, Delheij, P, Häusser, O, Pasyuk, E, Gostkin, M, Amann, J, Boudrie, R, Riedel, C, Morris, C, Pentillä, S, Swenson, D, Tupa, D, Comfort, J, Gaulard, C, Maeda, K, Glass, G & Supek, I 1999, 'Measurements of asymmetries of pion single charge exchange on polarized ³He at 200 MeV', Physical Review C - Nuclear Physics, vol. 60, no. 2, 024001, pp. 240011-2400111. https://doi.org/10.1103/PhysRevC.60.024001

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title = "Measurements of asymmetries of pion single charge exchange on polarized 3He at 200 MeV",

abstract = "Asymmetries for the (π-, π0) reaction on polarized 3He were measured using a 200-MeV pion beam at LAMPF. The π0, s were detected with the neutral meson spectrometer in coincidence with the recoiling tritons. A recoil triton detector, consisting of scintillation-counter telescopes and a wire chamber, was used to measure the time-of-flight, energy loss, and direction of the tritons. The polarized gaseous 3He target, developed at TRIUMF, was modified to run with two diode lasers; the polarization reached 65%. The asymmetries between θlab =60° and 105° were found to be strongly angle dependent. The results are compared with theoretical calculations.",

author = "Q. Zhao and G. Burleson and S. Blanchard and T. Chang and W. Gibbs and J. Haas and B. Park and M. Whitton and M. Espy and D. Dehnhard and B. Larson and J. O'Donnell and M. Palarczyk and W. Cummings and P. Delheij and O. H{\"a}usser and E. Pasyuk and M. Gostkin and J. Amann and R. Boudrie and C. Riedel and C. Morris and S. Pentill{\"a} and D. Swenson and D. Tupa and J. Comfort and C. Gaulard and K. Maeda and G. Glass and I. Supek",

year = "1999",

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doi = "10.1103/PhysRevC.60.024001",

language = "English (US)",

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T1 - Measurements of asymmetries of pion single charge exchange on polarized 3He at 200 MeV

AU - Zhao, Q.

AU - Burleson, G.

AU - Blanchard, S.

AU - Chang, T.

AU - Gibbs, W.

AU - Haas, J.

AU - Park, B.

AU - Whitton, M.

AU - Espy, M.

AU - Dehnhard, D.

AU - Larson, B.

AU - O'Donnell, J.

AU - Palarczyk, M.

AU - Cummings, W.

AU - Delheij, P.

AU - Häusser, O.

AU - Pasyuk, E.

AU - Gostkin, M.

AU - Amann, J.

AU - Boudrie, R.

AU - Riedel, C.

AU - Morris, C.

AU - Pentillä, S.

AU - Swenson, D.

AU - Tupa, D.

AU - Comfort, J.

AU - Gaulard, C.

AU - Maeda, K.

AU - Glass, G.

AU - Supek, I.

PY - 1999/8

Y1 - 1999/8

N2 - Asymmetries for the (π-, π0) reaction on polarized 3He were measured using a 200-MeV pion beam at LAMPF. The π0, s were detected with the neutral meson spectrometer in coincidence with the recoiling tritons. A recoil triton detector, consisting of scintillation-counter telescopes and a wire chamber, was used to measure the time-of-flight, energy loss, and direction of the tritons. The polarized gaseous 3He target, developed at TRIUMF, was modified to run with two diode lasers; the polarization reached 65%. The asymmetries between θlab =60° and 105° were found to be strongly angle dependent. The results are compared with theoretical calculations.

AB - Asymmetries for the (π-, π0) reaction on polarized 3He were measured using a 200-MeV pion beam at LAMPF. The π0, s were detected with the neutral meson spectrometer in coincidence with the recoiling tritons. A recoil triton detector, consisting of scintillation-counter telescopes and a wire chamber, was used to measure the time-of-flight, energy loss, and direction of the tritons. The polarized gaseous 3He target, developed at TRIUMF, was modified to run with two diode lasers; the polarization reached 65%. The asymmetries between θlab =60° and 105° were found to be strongly angle dependent. The results are compared with theoretical calculations.

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Measurements of asymmetries of pion single charge exchange on polarized ³He at 200 MeV

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