A gamma ray, also known as gamma radiation (symbol γ), is a penetrating form of electromagnetic radiation arising from high energy interactions like the radioactive decay of atomic nuclei or astronomical events like solar flares. It consists of the shortest wavelength electromagnetic waves, typically shorter than those of X-rays.

γ射线 (Gamma ray) ，又称γ粒子流，是原子核能级跃迁退激时释放出的射线，是波长短于0.1埃的电磁波（1埃=10-10m），能量高于124keV，频率超过30EHz（3×1019Hz）。

The essential distinction between X-rays and y-rays is that :- 1 y-rays have smaller wavelength than X-rays Y-rays emanate from nucleus while X-rays emanate from outer part of the atom y-rays have greater ionizing power than X- rays Y-rays has more penetrating power than X- rays.

2025年3月19日 · A gamma ray is electromagnetic radiation of the shortest wavelength and highest energy. Gamma-ray radiation has wavelengths generally smaller than a few tenths of an angstrom (10 meter), and gamma-ray photons have energies greater than …

2020年3月19日 · There are four major types of radiation: alpha, beta, neutrons, and electromagnetic waves such as gamma rays. They differ in mass, energy and how deeply they penetrate people and objects. The first is an alpha particle. These particles consist of two protons and two neutrons and are the heaviest type of radiation particle.

y is applied at the lowest energy points. I do not feel that this is a manifestation of the cosmic ray energy spectrum; rather I feel that it is a feature of high energy collisions that the proportion of energy transformed into y-rays in a collisi

1996年6月1日 · The continuum y-ray spectra display a broad energy distribution without outstanding y-lines. In order to extract useful information a careful unfolding (deconvolution) into a true full energy y-ray spectrum has to be performed.

• They have the highest penetrating power out of all the three types of radiations. Their penetrating power is about 100 times more than that of p rays. Thus, they can penetrate through lead sheets as thick as 150 mm. • Gamma (y) rays have very little effect on the photographic plate or zinc sulphide screen. Source Previous chapter

伽瑪射線 （或 γ射線）是 原子 衰變 裂解時放出的 射線 之一。 此種 電磁波 波長 在0.01 奈米 以下，穿透力很強 [1]，又攜帶高 能量，容易造成生物體 細胞 內的 脫氧核糖核酸 （DNA）斷裂進而引起 基因突变，因此也可以作醫療之用。 [2] 1900年由法國科學家 保罗·维拉尔 發現，他將含 鐳 的 氯化鋇 通過 陰極射線，從照片記錄上看到 輻射 穿過0.2毫米的 鉛 箔，拉塞福稱這一貫穿力非常強的輻射為γ射線，是繼 α射線 、 β射線 後發現的第三種原子核射線。 [3] 1913年，γ射線被證實 …

伽馬射線立體定向放射治療，又稱為 伽馬刀，屬於使用多顆 鈷-60 來同時照射病人，而病人需要戴上特定的定位器，用於對特定 腫瘤 （大部份為頭部腫瘤）患者的治療。 [5] ^ 劉文光. 多彩的物理世界. 崧博出版事業有限公司. 9 January 2018: 121– [2019-04-11]. ISBN 978-986-492-986-3. （原始內容 存檔 於2019-05-01）. ^ 千華數位文化; 陳名; [國民營事業招考]. 108年普通化學實力養成. 千華數位文化. 5 April 2019: 427– [2019-04-11]. ISBN 978-986-487-662-4. （原始內容 存檔 …