Image:Charmed-dia-w.png
{{Non-free use rationale
|Article = Quark
|Description = The first event involving the {{Subatomic particle|Charmed Sigma+|link=yes}} baryon, and thus charm quark. Recorded at Brookhaven National Laboratory in 1974. Photo on the left, annotated on the right. See source for explanation.
|Source = https://web.archive.org/web/20050208130203/https://www.bnl.gov/bnlweb/history/charmed.asp
|Portion = Entire
|Low_resolution = No
|Purpose = To illustrate a significant historical event in the history of particle physics, and in the establishment of the quark model
|Replaceability = Could be replaced by a picture involving the discovery of the J/Psi meson. But I don't know if these pictures even exist.
|other_information =
}}
{{Non-free use rationale
|Article = Charmed Sigma baryon
|Description = The first event involving the {{Subatomic particle|Charmed Sigma+|link=yes}} baryon. Recorded at Brookhaven National Laboratory in 1974. Photo on the left, annotated on the right. See source for explanation.
|Source = https://web.archive.org/web/20050208130203/https://www.bnl.gov/bnlweb/history/charmed.asp
|Portion = Entire
|Low_resolution = No
|Purpose = To illustrate the discovery of the {{Subatomic particle|Charmed Sigma+|link=yes}} baryon
|Replaceability = No
|other_information =
}}
{{non-free fair use|image has rationale=yes}}