Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Gkika, Violeta"'
Autor:
Ahn, Saebyeok, Kim, JinMyeong, Ivanov, Boris I., Kwon, Ohjoon, Byun, HeeSu, van Loo, Arjan F., Par, SeongTae, Jeong, Junu, Lee, Soohyung, Kim, Jinsu, Kutlu, Çağlar, Yi, Andrew K., Nakamura, Yasunobu, Oh, Seonjeong, Ahn, Danho, Bae, SungJae, Choi, Hyoungsoon, Choi, Jihoon, Chong, Yonuk, Chung, Woohyun, Gkika, Violeta, Kim, Jihn E., Kim, Younggeun, Ko, Byeong Rok, Miceli, Lino, Lee, Doyu, Lee, Jiwon, Lee, Ki Woong, Lee, MyeongJae, Matlashov, Andrei, Parashar, Pallavi, Seong, Taehyeon, Shin, Yun Chang, Uchaikin, Sergey V., Youn, SungWoo, Semertzidis, Yannis K.
We report an extensive high-sensitivity search for axion dark matter above 1\,GHz at the Center for Axion and Precision Physics Research (CAPP). The cavity resonant search, exploiting the coupling between axions and photons, explored the frequency (m
Externí odkaz:
http://arxiv.org/abs/2402.12892
Autor:
Ko, Minsu, Uchaikin, Sergey V., Ivanov, Boris I., Kim, JinMyeong, Oh, Seonjeong, Gkika, Violeta, Semertzidis, Yannis K.
The axion search experiments in the microwave frequency range require high sensitive detectors with intrinsic noise close to quantum noise limit. Josephson parametric amplifiers (JPAs) are the most valuable candidates for the role of the first stage
Externí odkaz:
http://arxiv.org/abs/2307.01480
Autor:
Ivanov, Boris I., Kim, Jinmyeong, Kutlu, Çağlar, van Loo, Arjan F., Nakamura, Yasunobu, Uchaikin, Sergey V., Oh, Seonjeong, Gkika, Violeta, Matlashov, Andrei, Chung, Woohyun, Semertzidis, Yannis K.
The axion search experiments based on haloscopes at the Center for Axion and Precision Physics Research (CAPP) of the Institute for Basic Science (IBS) in South Korea are performed in the frequency range from 1 GHz to 6 GHz. In order to perform the e
Externí odkaz:
http://arxiv.org/abs/2304.13367
Autor:
Uchaikin, Sergey V., Ivanov, Boris I., Kim, Jinmyeong, Kutlu, Çağlar, Van Loo, Arjan F., Nakamura, Yasunobu, OH, Seonjeong, Gkika, Violeta, Matlashov, Andrei, Chung, Woohyun, Semertzidis, Yannis K.
The axion is expected to solve the strong CP problem of quantum chromodynamics and is one of the leading candidates for dark matter. CAPP in South Korea has several axion search experiments based on cavity haloscopes in the frequency range of 1-6 GHz
Externí odkaz:
http://arxiv.org/abs/2304.07222
Autor:
Kim, Jinmyeong, Ivanov, Boris I., Kutlu, Çağlar, Park, Seongtae, Van Loo, Arjan F., Nakamura, Yasunobu, Uchaikin, Sergey V., Oh, Seonjeong, Gkika, Violeta, Matlashov, Andrei, Chung, Woohyun, Semertzidis, Yannis K.
The axion is a hypothetical particle, a promising candidate for dark matter, and a solution to the strong CP problem. Axion haloscope search experiments deal with a signal power comparable to noise uncertainty at millikelvin temperature. We use a flu
Externí odkaz:
http://arxiv.org/abs/2304.04378
Autor:
Yi, Andrew K., Ahn, Saebyeok, Kutlu, Çağlar, Kim, JinMyeong, Ko, Byeong Rok, Ivanov, Boris I., Byun, HeeSu, van Loo, Arjan F., Park, SeongTae, Jeong, Junu, Kwon, Ohjoon, Nakamura, Yasunobu, Uchaikin, Sergey V., Choi, Jihoon, Lee, Soohyung, Lee, MyeongJae, Shin, Yun Chang, Kim, Jinsu, Lee, Doyu, Ahn, Danho, Bae, SungJae, Lee, Jiwon, Kim, Younggeun, Gkika, Violeta, Lee, Ki Woong, Oh, Seonjeong, Seong, Taehyeon, Kim, DongMin, Chung, Woohyun, Matlashov, Andrei, Youn, SungWoo, Semertzidis, Yannis K.
Publikováno v:
Physical Review D 108, L021304 (2023)
We report the first search for the Sagittarius tidal stream of axion dark matter around 4.55 $\mu$eV using CAPP-12TB haloscope data acquired in March of 2022. Our result excluded the Sagittarius tidal stream of Dine-Fischler-Srednicki-Zhitnitskii and
Externí odkaz:
http://arxiv.org/abs/2302.01502
Autor:
Yi, Andrew K., Ahn, Saebyeok, Kutlu, Çağlar, Kim, JinMyeong, Ko, Byeong Rok, Ivanov, Boris I., Byun, HeeSu, van Loo, Arjan F., Park, SeongTae, Jeong, Junu, Kwon, Ohjoon, Nakamura, Yasunobu, Uchaikin, Sergey V., Choi, Jihoon, Lee, Soohyung, Lee, MyeongJae, Shin, Yun Chang, Kim, Jinsu, Lee, Doyu, Ahn, Danho, Bae, SungJae, Lee, Jiwon, Kim, Younggeun, Gkika, Violeta, Lee, Ki Woong, Oh, Seonjeong, Seong, Taehyeon, Kim, DongMin, Chung, Woohyun, Matlashov, Andrei, Youn, SungWoo, Semertzidis, Yannis K.
Publikováno v:
Physical Review Letters 130, 071002 (2023)
We report an axion dark matter search at Dine-Fischler-Srednicki-Zhitnitskii sensitivity with the CAPP-12TB haloscope, assuming axions contribute 100\% of the local dark matter density. The search excluded the axion--photon coupling $g_{a\gamma\gamma
Externí odkaz:
http://arxiv.org/abs/2210.10961
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