Physics / Physics.gen-Ph

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Could Dense Quark Matter be a Source of Super High Energy Cosmic Rays?

Could Dense Quark Matter be a Source of Super High Energy Cosmic Rays?

1. ์ดˆ๊ณ ์—๋„ˆ์ง€ ์šฐ์ฃผ์„ ์˜ ์›์ฒœ ๋ฌธ์ œ ์ดˆ๊ณ ์—๋„ˆ์ง€ ์šฐ์ฃผ์„ ์€ ์šฐ์ฃผ์˜ ๋ฐœ์ƒ๊ณผ ์ง„ํ™”์— ๋Œ€ํ•œ ์ค‘์š”ํ•œ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•  ์ˆ˜ ์žˆ์ง€๋งŒ, ๊ทธ ์ถœ์ฒ˜๋Š” ์—ฌ์ „ํžˆ ๋ฏธ์Šคํ„ฐ๋ฆฌ๋กœ ๋‚จ์•„ ์žˆ์Šต๋‹ˆ๋‹ค. ์ง€์ƒ ์‹คํ—˜์‹ค์—์„œ๋Š” ์ด๋Ÿฌํ•œ ์—๋„ˆ์ง€ ๋ฒ”์œ„(10^17 18 eV ์ด์ƒ)์˜ ์ž…์ž ๋น”์„ ์žฌํ˜„ํ•˜๋Š” ๊ฒƒ์ด ๋ถˆ๊ฐ€๋Šฅํ•˜๊ธฐ ๋•Œ๋ฌธ์—, ์ดˆ๊ณ ์—๋„ˆ์ง€ ์šฐ์ฃผ์„ ์€ ์ด๋“ค ์ž…์ž์˜ ์ƒํ˜ธ์ž‘์šฉ์„ ์—ฐ๊ตฌํ•  ์ˆ˜ ์žˆ๋Š” ์œ ์ผํ•œ ์ž์›์ž…๋‹ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ํ˜„์žฌ๊นŒ์ง€ ์ œ์‹œ๋œ ๋ณ„ ์ƒ์„ฑ ๋ชจ๋ธ๋“ค์€ ์ด๋Ÿฌํ•œ ์—๋„ˆ์ง€ ๋ฒ”์œ„๋ฅผ ๊ฐ€์†ํ™”ํ•˜๋Š” ๋ฐ ํ•„์š”ํ•œ ๊ฐ•๋ ฅํ•œ ์ „์ž๊ธฐ์žฅ์ด ๋ถ€์กฑํ•˜๋‹ค๋Š” ์ด๋ก ์  ์˜ˆ์ธก์ด ์žˆ์Šต๋‹ˆ๋‹ค. 2. ๋ฐ€๋„ ๋†’์€ ์ฟผํฌ ๋ฌผ์งˆ์˜ ๊ฐ€๋Šฅ์„ฑ ๋…ผ๋ฌธ์—์„œ๋Š”

Physics Astrophysics
Astrophysical consequences of the OPERA superluminal neutrino

Astrophysical consequences of the OPERA superluminal neutrino

: OPERA ์‹คํ—˜์€ ์ค‘์„ฑ๋ฏธ์ž๊ฐ€ ๋น›๋ณด๋‹ค ๋” ๋น ๋ฅด๊ฒŒ ์ด๋™ํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒฐ๊ณผ๋ฅผ ๋ฐœํ‘œํ•˜๋ฉด์„œ ๊ณผํ•™๊ณ„์— ํฐ ์ถฉ๊ฒฉ์„ ์ฃผ์—ˆ๋‹ค. ์ด๋Š” ๋กœ๋ Œ์ธ  ๋Œ€์นญ์„ฑ ์œ„๋ฐ˜(LSV)์˜ ๊ฐ€๋Šฅ์„ฑ์„ ์‹œ์‚ฌํ•˜๋ฉฐ, ๊ธฐ์กด ๋ฌผ๋ฆฌํ•™ ์›์น™๊ณผ ์ƒ์ถฉ๋˜๋Š” ๊ฒฐ๊ณผ๋กœ ์ธํ•ด ๋งŽ์€ ๋…ผ๋ž€์ด ์ผ์–ด๋‚ฌ๋‹ค. 1. ์ค‘์„ฑ๋ฏธ์ž์˜ ์ดˆ๊ด‘์† ์‹ ํ˜ธ์™€ ์ฒœ์ฒด๋ฌผ๋ฆฌํ•™์  ์ œ์•ฝ OPERA ์‹คํ—˜์—์„œ ๊ด€์ฐฐ๋œ ์ค‘์„ฑ๋ฏธ์ž ์‹ ํ˜ธ๋Š” ๋น›์˜ ์†๋„๋ณด๋‹ค ์•ฝ๊ฐ„ ๋” ๋น ๋ฅด๊ฒŒ ์ด๋™ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ์ด๋Ÿฌํ•œ ๊ฒฐ๊ณผ๋Š” ์ง„๊ณต์—์„œ ์ค‘์„ฑ๋ฏธ์ž์˜ ๋น„ํŒ์†์ด ๋น›์˜ ์†๋ ฅ๋ณด๋‹ค ํฌ๋‹ค๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•œ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜, ์ด ๊ฒฐ๊ณผ๋Š” ์ฒœ์ฒด๋ฌผ๋ฆฌํ•™์  ๊ด€์ธก๊ณผ ์ƒ์ถฉ๋˜๋Š” ๋ฌธ์ œ๋ฅผ ์•ผ๊ธฐํ•œ๋‹ค. ํŠนํžˆ,

HEP-PH Astrophysics Physics
Primary Initiation of Submarine Canyons

Primary Initiation of Submarine Canyons

1. ์ด๋ก ์  ๋ฐฐ๊ฒฝ๊ณผ ๊ฐ€์„ค ์ €์ž์ธ J. Marvin Herndon๋Š” ๋ณธ ๋…ผ๋ฌธ์—์„œ ์ง€๊ตฌ์˜ ์ดˆ๊ธฐ ๊ธฐ์›์„ ๋ชฉ์„ฑ๊ณผ ์œ ์‚ฌํ•œ ๊ฐ€์Šคํ–‰์„ฑ์œผ๋กœ ์ œ์•ˆํ•œ๋‹ค. ์ด๋Ÿฌํ•œ ๊ฐ€์„ค์€ ํƒœ์–‘๊ณ„ ๋‚ด์™ธ์—์„œ ๊ด€์ฐฐ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ–‰์„ฑ ๊ตฌ์กฐ์™€ ์ผ์น˜ํ•˜๋ฉฐ, ํŠนํžˆ ์™ธ๊ณ„ ํ–‰์„ฑ ์ค‘ ์ผ๋ถ€๊ฐ€ ๋ณ„๊ณผ ๊ฐ™์€ ํฌ๊ธฐ์˜ ๊ฐ€์Šคํ–‰์„ฑ์„ ํฌํ•จํ•˜๊ณ  ์žˆ๋‹ค๋Š” ์ ์„ ๊ทผ๊ฑฐ๋กœ ํ•œ๋‹ค. Herndon์€ ์ด ์ดˆ๊ธฐ ์ƒํƒœ์—์„œ ์ง€๊ตฌ๋Š” ์•ฝ 300๊ฐœ์˜ ํ˜„์žฌ ์ง€๊ตฌ ์งˆ๋Ÿ‰์— ํ•ด๋‹นํ•˜๋Š” ์ˆ˜์†Œ์™€ ํ—ฌ๋ฅจ ๋“ฑ ํœ˜๋ฐœ์„ฑ ์›์†Œ๋ฅผ ํฌํ•จํ•œ ๊ฑฐ๋Œ€ํ•œ ๊ฐ€์Šค ํ–‰์„ฑ์ด์—ˆ๋‹ค๊ณ  ์ฃผ์žฅํ•œ๋‹ค. 2. ์ „์ง€๊ตฌ ํƒˆ๊ธฐ ์—ญํ•™ ์ „์ง€๊ตฌ ํƒˆ๊ธฐ ์—ญํ•™์€ ์ด ์ดˆ๊ธฐ ์ƒํƒœ์—์„œ ๋ฐœ์ƒํ•˜๋Š” ์ค‘์š”ํ•œ ์—ญํ•™์ 

Physics
Hydrogen Geysers: Explanation for Observed Evidence of Geologically Recent Volatile-Related Activity on Mercurys Surface

Hydrogen Geysers: Explanation for Observed Evidence of Geologically Recent Volatile-Related Activity on Mercurys Surface

: ์ด ๋…ผ๋ฌธ์€ ์ˆ˜์„ฑ์˜ ์ง€ํ˜• ํ˜•์„ฑ์— ๋Œ€ํ•œ ์ƒˆ๋กœ์šด ์ด๋ก ์„ ์ œ์‹œํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ๊ทธ ์ค‘์‹ฌ์—๋Š” ํœ˜๋ฐœ์„ฑ ํ™œ๋™๊ณผ ์ฒ ์˜ ์—ญํ• ์ด ์žˆ์Šต๋‹ˆ๋‹ค. ์ €์ž๋Š” ๊ธฐ์กด ๋ชจ๋ธ๋“ค๊ณผ๋Š” ๋‹ค๋ฅธ ๊ด€์ ์„ ํ†ตํ•ด ์ˆ˜์„ฑ์˜ ํ•ต์— ์—„์ฒญ๋‚œ ์–‘์˜ ์ˆ˜์†Œ๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ๋‹ค๋Š” ๊ฐ€์„ค์„ ๋‚ด์„ธ์šฐ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. 1. ํœ˜๋ฐœ์„ฑ ํ™œ๋™์˜ ์ค‘์š”์„ฑ ์ˆ˜์„ฑ ํ‘œ๋ฉด์—์„œ ๋ฐœ๊ฒฌ๋œ '๋น„์ •์ƒ์ ์ธ ์ง€ํ˜•'์€ ํœ˜๋ฐœ์„ฑ ํ™œ๋™์œผ๋กœ ์ธํ•ด ํ˜•์„ฑ๋˜์—ˆ๋‹ค๋Š” ์ฃผ์žฅ์ด ์ œ๊ธฐ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ์ง€ํ˜•์€ ์ˆ˜์„ฑ์˜ ๊ณ ์œ ํ•œ ํŠน์ง• ์ค‘ ํ•˜๋‚˜๋กœ, ๊ทธ ์›์ธ์„ ๊ทœ๋ช…ํ•˜๋Š” ๊ฒƒ์€ ํ–‰์„ฑ ๊ณผํ•™์— ์ค‘์š”ํ•œ ์˜๋ฏธ๋ฅผ ๊ฐ–์Šต๋‹ˆ๋‹ค. 2. ์ˆ˜์„ฑ ํ•ต ๋‚ด๋ถ€์˜ ํœ˜๋ฐœ์„ฑ ์š”์†Œ ์ €์ž๋Š” ์ดˆ๊ธฐ ํƒœ์–‘๊ณ„์—์„œ ๋ฐœ์ƒํ•œ

Physics

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