Interpretation of measurements of π0-meson photoproduction partial cross sections on a6Li nucleus with O+ level excitation

Abstract

The anomalously large measured values of the cross section of the reaction γ+⁶Li → Π⁰ +⁶Li^* (3.56 MeV), which were obtained in two different laboratories, 260-450 MeV γ-rays, are discussed. It is shown that the disagreement between theory and experiment is due to the background reaction γ +⁷Li → Π⁰ + n +⁶Li^* (3.56 MeV), which became possible as a result of the poor isotropic purity of the target. This background reaction is discussed with respect to obtaining data on Π⁰-meson photoproduction on neutrons.

Original language	English
Pages (from-to)	1025-1029
Number of pages	5
Journal	Soviet Physics Journal
Volume	34
Issue number	11
DOIs	https://doi.org/10.1007/BF00895484
Publication status	Published - Nov 1991

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Physics and Astronomy(all)

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title = "Interpretation of measurements of π0-meson photoproduction partial cross sections on a6Li nucleus with O+ level excitation",

abstract = "The anomalously large measured values of the cross section of the reaction γ+6Li → Π0 +6Li* (3.56 MeV), which were obtained in two different laboratories, 260-450 MeV γ-rays, are discussed. It is shown that the disagreement between theory and experiment is due to the background reaction γ +7Li → Π0 + n +6Li* (3.56 MeV), which became possible as a result of the poor isotropic purity of the target. This background reaction is discussed with respect to obtaining data on Π0-meson photoproduction on neutrons.",

author = "Tryasuchev, {V. A.} and Fiks, {A. I.}",

year = "1991",

month = nov,

doi = "10.1007/BF00895484",

language = "English",

volume = "34",

pages = "1025--1029",

journal = "Russian Physics Journal",

issn = "1064-8887",

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T1 - Interpretation of measurements of π0-meson photoproduction partial cross sections on a6Li nucleus with O+ level excitation

AU - Tryasuchev, V. A.

AU - Fiks, A. I.

PY - 1991/11

Y1 - 1991/11

N2 - The anomalously large measured values of the cross section of the reaction γ+6Li → Π0 +6Li* (3.56 MeV), which were obtained in two different laboratories, 260-450 MeV γ-rays, are discussed. It is shown that the disagreement between theory and experiment is due to the background reaction γ +7Li → Π0 + n +6Li* (3.56 MeV), which became possible as a result of the poor isotropic purity of the target. This background reaction is discussed with respect to obtaining data on Π0-meson photoproduction on neutrons.

AB - The anomalously large measured values of the cross section of the reaction γ+6Li → Π0 +6Li* (3.56 MeV), which were obtained in two different laboratories, 260-450 MeV γ-rays, are discussed. It is shown that the disagreement between theory and experiment is due to the background reaction γ +7Li → Π0 + n +6Li* (3.56 MeV), which became possible as a result of the poor isotropic purity of the target. This background reaction is discussed with respect to obtaining data on Π0-meson photoproduction on neutrons.

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SN - 1064-8887

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ER -

Interpretation of measurements of π⁰-meson photoproduction partial cross sections on a⁶Li nucleus with O⁺ level excitation

Abstract

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