Observation of reactor antineutrino disappearance using delayed neutron capture on hydrogen at RENO

Shin, ChangDong; Zohaib, Adil; Bak, G.; Choi, Jiwon; Jang, H. I.; Jang, J. S.; Jeon, S.; Joo, K. K.; Ju, K.; Jung, Dongmin; Kim, J. G.; Kim, J. Y.; Kim, S. B.; Kim, Woo Tae; Kwon, E.; Lee, D. H.; Lee, H. G.; Lee, Y. C.; Lim, I. T.; Moon, D. H.; Pac, M. Y.; Rott, C.; Seo, H.; Seo, Jae Sung; Seo, J. W.; Seo, S. H.; Yang, B. S.; Yang, Jie; Yoo, J.; Yu, I.

doi:10.1007/jhep04(2020)029

Cited by 19 publications

(13 citation statements)

References 29 publications

(47 reference statements)

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“…), where the world average value of |∆m 2 ee | = (2.562 × 10 −3 eV 2 ) is used. Even though the systematic uncertainty is higher than in the n-Gd results, the mean value matches well with that from other experiments within uncertainty [3].…”

Section: Pos(ichep2020)177supporting

confidence: 88%

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Recent Results from RENO

Shin¹

2021

Proceedings of 40th International Conference on High Energy Physics — PoS(ICHEP2020)

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The Reactor Experiment for Neutrino Oscillation (RENO) started data-taking from August 2011 and has successfully measured the smallest neutrino mixing angle θ 13 by observing the disappearance of reactor electron antineutrinos. Electron antineutrinos from the six reactors at Hanbit Nuclear Power Plant in Korea are detected and compared by the two identical near-and-far detectors. RENO has published precise values of θ 13 and its measurement of ∆m 2 ee based on energy dependent disappearance probability. In this paper, we present an updated measurement of θ 13 and ∆m 2 ee based on roughly 3000 days of data, an independently measured value of θ 13 based on 1500 days of data with neutron capture on hydrogen as a delayed signal, and a sterile neutrino search result.

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Section: Pos(ichep2020)177supporting

confidence: 88%

“…The value of θ 13 and |∆m 2 ee | were also measured by energy dependent analysis [2]. Currently, other analyzes are ongoing using data of 3000 days and published [3,4].…”

Section: Introductionmentioning

confidence: 99%

Recent Results from RENO

Shin¹

2021

Proceedings of 40th International Conference on High Energy Physics — PoS(ICHEP2020)

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“…The results with their relative uncertainties are reported in Table 2 and in Figure 1, where they are compared also with the values for the same oscillation parameters that can be recovered by the analysis of LBL accelerator (mainly T2K [54] for the mixing angle and also MINOS [55] and NOνA [56] for ∆m 2 ) and of atmospheric (SuperKamiokande) [57] experiments. [51,53] are reported together with the ones obtained with neutrons captured by hydrogen (labelled as nH) [58,59]. For Double Chooz the data reported refer to the analysis including the total neutron capture detector [52].…”

Section: Recent Results Of the Sbl Experimentsmentioning

confidence: 99%

Present and Future Contributions of Reactor Experiments to Mass Ordering and Neutrino Oscillation Studies

Antonelli¹,

Miramonti²,

Ranucci³

2020

Universe

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After a long a glorious history, marked by the first direct proofs of neutrino existence and of the mixing between the first and third neutrino generations, the reactor antineutrino experiments are still well alive and will continue to give important contributions to the development of elementary particle physics and astrophysics. In parallel to the SBL (short baseline) experiments, that will be dedicated mainly to the search for sterile neutrinos, a new kind of experiments will start playing an important role: reactor experiments with a “medium” value, around 50 km, of the baseline, somehow in the middle between the SBL and the LBL (long baselines), like KamLAND, which in the recent past gave essential contributions to the developments of neutrino physics. These new medium baseline reactor experiments can be very important, mainly for the study of neutrino mass ordering. The first example of this kind, the liquid scintillator JUNO experiment, characterized by a very high mass and an unprecedented energy resolution, will soon start data collecting in China. Its main aspects are discussed here, together with its potentialities for what concerns the mass ordering investigation and also the other issues that can be studied with this detector, spanning from the accurate oscillation parameter determination to the study of solar neutrinos, geoneutrinos, atmospheric neutrinos and neutrinos emitted by supernovas and to the search for signals of potential Lorentz invariance violation.

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“…The location and distance from the reactor core are similar to those of the NEOS experiment, which was installed at the reactor unit 5 in the same reactor complex [30]. In addition, this is also the same reactor complex used for the RENO experiment [54]. The active core size of the unit 6 is 3.1 m (diameter) and 3.8 m (height) in cylindrical shape and contains 177 low-enriched uranium fuel assemblies.…”

Section: A Experimental Site At the Hanbit Nuclear Power Complexmentioning

confidence: 99%

Exploring coherent elastic neutrino-nucleus scattering using reactor electron antineutrinos in the NEON experiment

Choi¹,

J.²,

Kim³

et al. 2022

Preprint

Self Cite

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Neutrino Elastic scattering Observation with NaI (NEON) is an experiment designed to detect neutrino-nucleus coherent scattering using reactor electron antineutrinos. NEON is based on an array of six NaI(Tl) crystals with a total mass of 13.3 kg, located at the tendon gallery that is 24 m away from a reactor core with a thermal power of 2.8 GW in the Hanbit nuclear power complex. The installation of the NEON detector was completed in December 2020, and since May 2021, the detector has been acquiring data at full reactor power. This paper describes the design of the NEON detector, including the shielding arrangement, configuration of the NaI(Tl) crystals, and associated operation systems. The initial performance and associated sensitivity of the experiment are presented.

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Observation of reactor antineutrino disappearance using delayed neutron capture on hydrogen at RENO

Cited by 19 publications

References 29 publications

Recent Results from RENO

Recent Results from RENO

Present and Future Contributions of Reactor Experiments to Mass Ordering and Neutrino Oscillation Studies

Exploring coherent elastic neutrino-nucleus scattering using reactor electron antineutrinos in the NEON experiment

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