Low energy analyzing powers in pion-proton elastic scattering

R. Meier; M. Cröni; R. Bilger; B. Van Den Brandt; J. Breitschopf; H. Clement; J. R. Comfort; H. Denz; A. Erhardt; K. Föhl; E. Friedman; J. Gräter; P. Hautle; G. J. Hofman; J. A. Konter; S. Mango; J. Pätzold; M. M. Pavan; G. J. Wagner; F. Von Wrochem

doi:10.1016/j.physletb.2004.02.071

Low energy analyzing powers in pion-proton elastic scattering

R. Meier, M. Cröni, R. Bilger, B. Van Den Brandt, J. Breitschopf, H. Clement, J. R. Comfort, H. Denz, A. Erhardt, K. Föhl, E. Friedman, J. Gräter, P. Hautle, G. J. Hofman, J. A. Konter, S. Mango, J. Pätzold, M. M. Pavan, G. J. Wagner, F. Von Wrochem

Physics

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

Analyzing powers of pion-proton elastic scattering have been measured at PSI with the Low Energy Pion Spectrometer LEPS and a novel polarized scintillator target. Angular distributions between 40 and 120 deg (c.m.) were taken at 45.2, 51.2, 57.2, 68.5, 77.2, and 87.2 MeV incoming pion kinetic energy for π⁺p scattering, and at 67.3 and 87.2 MeV for π^-p scattering. These new measurements constitute a substantial extension of the polarization data base at low energies. Predictions from phase shift analyses are compared with the experimental results, and deviations are observed at low energies.

Original language	English (US)
Pages (from-to)	155-162
Number of pages	8
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	588
Issue number	3-4
DOIs	https://doi.org/10.1016/j.physletb.2004.02.071
State	Published - May 27 2004

Keywords

13.75.Gx
24.70.+s
25.80.Dj
Active polarized target
Pion-proton scattering
Sigma term

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.physletb.2004.02.071

Cite this

Meier, R., Cröni, M., Bilger, R., Van Den Brandt, B., Breitschopf, J., Clement, H., Comfort, J. R., Denz, H., Erhardt, A., Föhl, K., Friedman, E., Gräter, J., Hautle, P., Hofman, G. J., Konter, J. A., Mango, S., Pätzold, J., Pavan, M. M., Wagner, G. J., & Von Wrochem, F. (2004). Low energy analyzing powers in pion-proton elastic scattering. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 588(3-4), 155-162. https://doi.org/10.1016/j.physletb.2004.02.071

Meier, R, Cröni, M, Bilger, R, Van Den Brandt, B, Breitschopf, J, Clement, H, Comfort, JR, Denz, H, Erhardt, A, Föhl, K, Friedman, E, Gräter, J, Hautle, P, Hofman, GJ, Konter, JA, Mango, S, Pätzold, J, Pavan, MM, Wagner, GJ & Von Wrochem, F 2004, 'Low energy analyzing powers in pion-proton elastic scattering', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 588, no. 3-4, pp. 155-162. https://doi.org/10.1016/j.physletb.2004.02.071

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title = "Low energy analyzing powers in pion-proton elastic scattering",

abstract = "Analyzing powers of pion-proton elastic scattering have been measured at PSI with the Low Energy Pion Spectrometer LEPS and a novel polarized scintillator target. Angular distributions between 40 and 120 deg (c.m.) were taken at 45.2, 51.2, 57.2, 68.5, 77.2, and 87.2 MeV incoming pion kinetic energy for π+p scattering, and at 67.3 and 87.2 MeV for π-p scattering. These new measurements constitute a substantial extension of the polarization data base at low energies. Predictions from phase shift analyses are compared with the experimental results, and deviations are observed at low energies.",

keywords = "13.75.Gx, 24.70.+s, 25.80.Dj, Active polarized target, Pion-proton scattering, Sigma term",

author = "R. Meier and M. Cr{\"o}ni and R. Bilger and {Van Den Brandt}, B. and J. Breitschopf and H. Clement and Comfort, {J. R.} and H. Denz and A. Erhardt and K. F{\"o}hl and E. Friedman and J. Gr{\"a}ter and P. Hautle and Hofman, {G. J.} and Konter, {J. A.} and S. Mango and J. P{\"a}tzold and Pavan, {M. M.} and Wagner, {G. J.} and {Von Wrochem}, F.",

note = "Funding Information: This work was supported by the German minister of education and research (BMBF) under contract 06TU201 and the Deutsche Forschungsgemeinschaft (DFG: Europ. Graduiertenkolleg, Heisenberg-Programm).",

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doi = "10.1016/j.physletb.2004.02.071",

language = "English (US)",

volume = "588",

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T1 - Low energy analyzing powers in pion-proton elastic scattering

AU - Meier, R.

AU - Cröni, M.

AU - Bilger, R.

AU - Van Den Brandt, B.

AU - Breitschopf, J.

AU - Clement, H.

AU - Comfort, J. R.

AU - Denz, H.

AU - Erhardt, A.

AU - Föhl, K.

AU - Friedman, E.

AU - Gräter, J.

AU - Hautle, P.

AU - Hofman, G. J.

AU - Konter, J. A.

AU - Mango, S.

AU - Pätzold, J.

AU - Pavan, M. M.

AU - Wagner, G. J.

AU - Von Wrochem, F.

N1 - Funding Information: This work was supported by the German minister of education and research (BMBF) under contract 06TU201 and the Deutsche Forschungsgemeinschaft (DFG: Europ. Graduiertenkolleg, Heisenberg-Programm).

PY - 2004/5/27

Y1 - 2004/5/27

N2 - Analyzing powers of pion-proton elastic scattering have been measured at PSI with the Low Energy Pion Spectrometer LEPS and a novel polarized scintillator target. Angular distributions between 40 and 120 deg (c.m.) were taken at 45.2, 51.2, 57.2, 68.5, 77.2, and 87.2 MeV incoming pion kinetic energy for π+p scattering, and at 67.3 and 87.2 MeV for π-p scattering. These new measurements constitute a substantial extension of the polarization data base at low energies. Predictions from phase shift analyses are compared with the experimental results, and deviations are observed at low energies.

AB - Analyzing powers of pion-proton elastic scattering have been measured at PSI with the Low Energy Pion Spectrometer LEPS and a novel polarized scintillator target. Angular distributions between 40 and 120 deg (c.m.) were taken at 45.2, 51.2, 57.2, 68.5, 77.2, and 87.2 MeV incoming pion kinetic energy for π+p scattering, and at 67.3 and 87.2 MeV for π-p scattering. These new measurements constitute a substantial extension of the polarization data base at low energies. Predictions from phase shift analyses are compared with the experimental results, and deviations are observed at low energies.

KW - 13.75.Gx

KW - 24.70.+s

KW - 25.80.Dj

KW - Active polarized target

KW - Pion-proton scattering

KW - Sigma term

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

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Low energy analyzing powers in pion-proton elastic scattering

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Keywords

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