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Measurement of the π⁰ electromagnetic transition form factor Drees, Reena Meijer
Abstract
We present the result of a measurement of the π⁰ electromagnetic transition form factor in the time-like region of momentum transfer. From a data sample of roughly 100,000 π⁰ → e⁺ e⁻ γ decays, observed in the SINDRUM I magnetic spectrometer at the Paul Scherrer Institute (Switzerland), we measure a value of the form factor slope a = 0.02 ± 0.01 (stat) ± 0.02 (sys). This measurement is consistent with both the results of the recent measurement by CELLO (DESY) in the space-like region, and with the vector meson dominance prediction of a ≈ 0.03.
Item Metadata
| Title |
Measurement of the π⁰ electromagnetic transition form factor
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| Creator | |
| Publisher |
University of British Columbia
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| Date Issued |
1991
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| Description |
We present the result of a measurement of the π⁰ electromagnetic transition form factor in the time-like region of momentum transfer. From a data sample of roughly 100,000 π⁰ → e⁺ e⁻ γ decays, observed in the SINDRUM I magnetic spectrometer at the Paul Scherrer Institute (Switzerland), we measure a value of the form factor slope a = 0.02 ± 0.01 (stat) ± 0.02 (sys). This measurement is consistent with both the results of the recent measurement by CELLO (DESY) in the space-like region, and with the vector meson dominance prediction of a ≈ 0.03.
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| Genre | |
| Type | |
| Language |
eng
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| Date Available |
2011-01-24
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| Provider |
Vancouver : University of British Columbia Library
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| Rights |
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.
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| DOI |
10.14288/1.0084985
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| Degree | |
| Program | |
| Affiliation | |
| Degree Grantor |
University of British Columbia
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| Campus | |
| Scholarly Level |
Graduate
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| Aggregated Source Repository |
DSpace
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Rights
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.