Vaizdas:PositronDiscovery.jpg

Page contents not supported in other languages.
Vaizdas iš Vikipedijos, laisvosios enciklopedijos.

Didesnės raiškos iliustracija ‎(2 408 × 2 374 taškų, rinkmenos dydis: 1,91 MiB, MIME tipas: image/jpeg)

Ši byla yra iš bendros Wikimedia Commons nemokamų resursų duomenų bazės, palaikomos Wikimedia Foundation organizacijos. Norėdami sužinoti licencijavimo smulkmenas, žiūrėkite paveikslėlio aprašymą
Paveikslėlio aprašymas
Paveikslėlio aprašymas
 Į paveikslėlio aprašymą
Šis failas yra patalpintas bendrojoje Vikimedijos saugykloje – Vikitekoje

Aprašymas

Aprašymas
English: Cloud chamber photograph of the first positron ever observed. The thick horizontal line is a lead plate. The positron entered the cloud chamber in the lower left, was slowed down by the lead plane, and curved to the upper left. The curvature of the path is caused by an applied magnetic field that acts perpendicular to the image plane. The higher energy of the entering positron resulted in lower curvature of its path.
Original caption: A 63 million volt positron (Hρ = 2.1×105 gauss-cm) passing through a 6 mm lead plate and emerging as a 23 million volt positron (Hρ = 7.5×104 gauss-cm). The length of this latter path is at least ten times greater than the possible length of a proton path of this curvature.
Data Photographed 1932 m. rugpjūčio 2 d.. Published 1933 m. kovo 15 d..
Šaltinis Anderson, Carl D. (1933). "The Positive Electron". Physical Review 43 (6): 491–494. DOI:10.1103/PhysRev.43.491.
Autorius Carl D. Anderson (1905–1991)
Leidimas
(Šios rinkmenos panaudojimas kitur)		 Obtained from American Physical Society, March 5, 2008. The copyright for the periodical containing this picture, if renewed, would have had to be renewed in 1960 or 1961. I checked the Catalog of copyright entries for Periodicals in 1960 and 1961, http://onlinebooks.library.upenn.edu/cce/, but The Physical Review is not listed there. Therefore, the copyright on the entire issue of The Physical Review, including this picture, has expired.

Licencija

Public domain
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

العربية ∙ Deutsch ∙ English ∙ español ∙ français ∙ galego ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ português ∙ português do Brasil ∙ русский ∙ sicilianu ∙ slovenščina ∙ українська ∙ 简体中文 ∙ 繁體中文 ∙ +/−

Flag of the United States
Flag of the United States

Captions

Add a one-line explanation of what this file represents
The first cloud chamber photograph of a positron's path

Items portrayed in this file

vaizduoja

materija

antimedžiaga

MIME type anglų

image/jpeg

pradžia

2 rugpjūčio 1932

Rinkmenos istorija

Paspauskite ant datos/laiko, kad pamatytumėte rinkmeną tokią, kokia ji buvo tuo metu.

Data/LaikasMiniatiūraMatmenysNaudotojasPaaiškinimas
dabartinis22:12, 6 gegužės 2013Versijos 22:12, 6 gegužės 2013 miniatiūra2 408 × 2 374 (1,91 MiB)QuibikCombined with a moire- and halftone-free but blurrier version that was also provided in the article. Much more accurate now.
21:10, 6 gegužės 2013Versijos 21:10, 6 gegužės 2013 miniatiūra2 500 × 2 500 (1,97 MiB)QuibikRe-extracted the image from the source article in greater resolution, removed halftone & moiré and adjusted levels.
19:54, 3 gegužės 2008Versijos 19:54, 3 gegužės 2008 miniatiūra848 × 755 (71 KiB)HPaul{{Information |Description=Cloud chamber photograph of the first positron ever observed |Source=Physical Review, Vol.43, p. 491 |Date=March 15, 1933 |Author=Carl D. Anderson |Permission=obtained from American Physical Society, March 5, 2008 |other_version

Paveikslėlis yra naudojamas šiuose puslapiuose:

Visuotinis rinkmenos naudojimas

Rodomas puslapis "https://lt.wikipedia.org/wiki/Vaizdas:PositronDiscovery.jpg"