Pion elastic scattering from polarized C13 in the energy region of the P33 resonance

Yi Fen Yen; B. Brinkmöller; D. Dehnhard; M. A. Franey; S. M. Sterbenz; Yi Ju Yu; Brian Berman; G. R. Burleson; K. Cranston; A. Klein; G. S. Kyle; Ricardo Alarcon; T. Averett; J. R. Comfort; J. J. Görgen; Barry Ritchie; J. R. Tinsley; M. Barlett; G. W. Hoffmann; K. Johnson; C. F. Moore; M. Purcell; H. Ward; A. Williams; J. A. Faucett; S. J. Greene; J. J. Jarmer; J. A. McGill; C. L. Morris; S. I. Penttilä; N. Tanaka; H. T. Fortune; E. Insko; R. Ivie; J. M. O'Donnell; D. Smith; M. A. Khandaker; S. Chakravarti

doi:10.1103/PhysRevC.50.897

Pion elastic scattering from polarized C13 in the energy region of the P33 resonance

Yi Fen Yen, B. Brinkmöller, D. Dehnhard, M. A. Franey, S. M. Sterbenz, Yi Ju Yu, Brian Berman, G. R. Burleson, K. Cranston, A. Klein, G. S. Kyle, Ricardo Alarcon, T. Averett, J. R. Comfort, J. J. Görgen, Barry Ritchie, J. R. Tinsley, M. Barlett, G. W. Hoffmann, K. JohnsonC. F. Moore, M. Purcell, H. Ward, A. Williams, J. A. Faucett, S. J. Greene, J. J. Jarmer, J. A. McGill, C. L. Morris, S. I. Penttilä, N. Tanaka, H. T. Fortune, E. Insko, R. Ivie, J. M. O'Donnell, D. Smith, M. A. Khandaker, S. Chakravarti

Physics

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Abstract

Analyzing powers Ay were measured for + and - elastic scattering from polarized C13 at incident pion energies T near the P33 -nucleon resonance. At T=130 MeV, the values of Ay are significantly different from zero for - scattering. For + at T=130 MeV and for both - and + at all other energies, the Ay are mostly consistent with zero. Elastic differential cross sections were measured using an unpolarized C13 target. Both the analyzing-power and cross-section data were compared with predictions using a variety of nuclear structure and reaction models. The analyzing power was found to be strongly sensitive to the quadrupole spin-flip part of the transition. The data of this work complement measurements of the magnetic form factor by electron scattering. The pion Ay data are not reproduced by calculations using wave functions that fit the magnetic form factor at low momentum transfers.

Original language	English (US)
Pages (from-to)	897-908
Number of pages	12
Journal	Physical Review C
Volume	50
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.50.897
State	Published - 1994

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.50.897

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Yen, Y. F., Brinkmöller, B., Dehnhard, D., Franey, M. A., Sterbenz, S. M., Yu, Y. J., Berman, B., Burleson, G. R., Cranston, K., Klein, A., Kyle, G. S., Alarcon, R., Averett, T., Comfort, J. R., Görgen, J. J., Ritchie, B., Tinsley, J. R., Barlett, M., Hoffmann, G. W., ... Chakravarti, S. (1994). Pion elastic scattering from polarized C13 in the energy region of the P33 resonance. Physical Review C, 50(2), 897-908. https://doi.org/10.1103/PhysRevC.50.897

Yen, YF, Brinkmöller, B, Dehnhard, D, Franey, MA, Sterbenz, SM, Yu, YJ, Berman, B, Burleson, GR, Cranston, K, Klein, A, Kyle, GS, Alarcon, R, Averett, T, Comfort, JR, Görgen, JJ, Ritchie, B, Tinsley, JR, Barlett, M, Hoffmann, GW, Johnson, K, Moore, CF, Purcell, M, Ward, H, Williams, A, Faucett, JA, Greene, SJ, Jarmer, JJ, McGill, JA, Morris, CL, Penttilä, SI, Tanaka, N, Fortune, HT, Insko, E, Ivie, R, O'Donnell, JM, Smith, D, Khandaker, MA & Chakravarti, S 1994, 'Pion elastic scattering from polarized C13 in the energy region of the P33 resonance', Physical Review C, vol. 50, no. 2, pp. 897-908. https://doi.org/10.1103/PhysRevC.50.897

@article{ab7e7003cce94a0d8b9a0acdd14a6462,

title = "Pion elastic scattering from polarized C13 in the energy region of the P33 resonance",

abstract = "Analyzing powers Ay were measured for + and - elastic scattering from polarized C13 at incident pion energies T near the P33 -nucleon resonance. At T=130 MeV, the values of Ay are significantly different from zero for - scattering. For + at T=130 MeV and for both - and + at all other energies, the Ay are mostly consistent with zero. Elastic differential cross sections were measured using an unpolarized C13 target. Both the analyzing-power and cross-section data were compared with predictions using a variety of nuclear structure and reaction models. The analyzing power was found to be strongly sensitive to the quadrupole spin-flip part of the transition. The data of this work complement measurements of the magnetic form factor by electron scattering. The pion Ay data are not reproduced by calculations using wave functions that fit the magnetic form factor at low momentum transfers.",

author = "Yen, {Yi Fen} and B. Brinkm{\"o}ller and D. Dehnhard and Franey, {M. A.} and Sterbenz, {S. M.} and Yu, {Yi Ju} and Brian Berman and Burleson, {G. R.} and K. Cranston and A. Klein and Kyle, {G. S.} and Ricardo Alarcon and T. Averett and Comfort, {J. R.} and G{\"o}rgen, {J. J.} and Barry Ritchie and Tinsley, {J. R.} and M. Barlett and Hoffmann, {G. W.} and K. Johnson and Moore, {C. F.} and M. Purcell and H. Ward and A. Williams and Faucett, {J. A.} and Greene, {S. J.} and Jarmer, {J. J.} and McGill, {J. A.} and Morris, {C. L.} and Penttil{\"a}, {S. I.} and N. Tanaka and Fortune, {H. T.} and E. Insko and R. Ivie and O'Donnell, {J. M.} and D. Smith and Khandaker, {M. A.} and S. Chakravarti",

year = "1994",

doi = "10.1103/PhysRevC.50.897",

language = "English (US)",

volume = "50",

pages = "897--908",

journal = "Physical Review C",

issn = "0556-2813",

publisher = "American Physical Society",

number = "2",

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TY - JOUR

T1 - Pion elastic scattering from polarized C13 in the energy region of the P33 resonance

AU - Yen, Yi Fen

AU - Brinkmöller, B.

AU - Dehnhard, D.

AU - Franey, M. A.

AU - Sterbenz, S. M.

AU - Yu, Yi Ju

AU - Berman, Brian

AU - Burleson, G. R.

AU - Cranston, K.

AU - Klein, A.

AU - Kyle, G. S.

AU - Alarcon, Ricardo

AU - Averett, T.

AU - Comfort, J. R.

AU - Görgen, J. J.

AU - Ritchie, Barry

AU - Tinsley, J. R.

AU - Barlett, M.

AU - Hoffmann, G. W.

AU - Johnson, K.

AU - Moore, C. F.

AU - Purcell, M.

AU - Ward, H.

AU - Williams, A.

AU - Faucett, J. A.

AU - Greene, S. J.

AU - Jarmer, J. J.

AU - McGill, J. A.

AU - Morris, C. L.

AU - Penttilä, S. I.

AU - Tanaka, N.

AU - Fortune, H. T.

AU - Insko, E.

AU - Ivie, R.

AU - O'Donnell, J. M.

AU - Smith, D.

AU - Khandaker, M. A.

AU - Chakravarti, S.

PY - 1994

Y1 - 1994

N2 - Analyzing powers Ay were measured for + and - elastic scattering from polarized C13 at incident pion energies T near the P33 -nucleon resonance. At T=130 MeV, the values of Ay are significantly different from zero for - scattering. For + at T=130 MeV and for both - and + at all other energies, the Ay are mostly consistent with zero. Elastic differential cross sections were measured using an unpolarized C13 target. Both the analyzing-power and cross-section data were compared with predictions using a variety of nuclear structure and reaction models. The analyzing power was found to be strongly sensitive to the quadrupole spin-flip part of the transition. The data of this work complement measurements of the magnetic form factor by electron scattering. The pion Ay data are not reproduced by calculations using wave functions that fit the magnetic form factor at low momentum transfers.

AB - Analyzing powers Ay were measured for + and - elastic scattering from polarized C13 at incident pion energies T near the P33 -nucleon resonance. At T=130 MeV, the values of Ay are significantly different from zero for - scattering. For + at T=130 MeV and for both - and + at all other energies, the Ay are mostly consistent with zero. Elastic differential cross sections were measured using an unpolarized C13 target. Both the analyzing-power and cross-section data were compared with predictions using a variety of nuclear structure and reaction models. The analyzing power was found to be strongly sensitive to the quadrupole spin-flip part of the transition. The data of this work complement measurements of the magnetic form factor by electron scattering. The pion Ay data are not reproduced by calculations using wave functions that fit the magnetic form factor at low momentum transfers.

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U2 - 10.1103/PhysRevC.50.897

DO - 10.1103/PhysRevC.50.897

M3 - Article

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SN - 0556-2813

VL - 50

SP - 897

EP - 908

JO - Physical Review C

JF - Physical Review C

IS - 2

ER -

Pion elastic scattering from polarized C13 in the energy region of the P33 resonance

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