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Linear alkylbenzene (LAB) is adopted to be the organic solvent for the Jiangmen Underground Neutrino Observatory (JUNO) liquid scintillator detectors due to the ultra-transparency. However the current Rayleigh scattering length calculation…

Instrumentation and Detectors · Physics 2015-12-09 Qian Liu , Xiang Zhou , Wenqian Huang , Yuning Zhang , Wenjie Wu , Wentai Luo , Miao Yu , Yangheng Zheng , Li Zhou , Jun Cao , Yifang Wang

Good optical transparency is a fundamental requirement of liquid scintillator (LS) detectors. Characterizing the transparency of a liquid scintillator to its own emitted light is a key parameter to determine the overall sensitivity of a…

Instrumentation and Detectors · Physics 2021-04-28 S. S. Gokhale , R. Rosero , R. Diaz Perez , C. Camilo Reyes , S. Hans , M. Yeh

We has set up a light scattering spectrometer to study the depolarization of light scattering in linear alkylbenzene. From the scattering spectra it can be unambiguously shown that the depolarized part of light scattering belongs to…

Chemical Physics · Physics 2016-01-20 Xiang Zhou , Qian Liu , Junbo Han , Zhenyu Zhang , Xuan Zhang , Yayun Ding , Yangheng Zheng , Li Zhou , Jun Cao , Yifang Wang

For liquid-scintillator neutrino detectors of kiloton scale, the transparency of the organic solvent is of central importance. The present paper reports on laboratory measurements of the optical scattering lengths of the organic solvents…

In present work an experiment has been designed to measure the Rayleigh ratio directly at $405$ nm and $432$ nm for linear alkylbenzene which is a common solvent used in liquid scintillator detectors of neutrino experiments. The…

Instrumentation and Detectors · Physics 2022-10-28 Miao Yu , Wenjie Wu , Na Peng , Taozhe Yu , Yayun Ding , Qian Liu , Feng Ren , Zhenyu Zhang , Xiang Zhou

The Jiangmen Underground Neutrino Observatory (JUNO), a 20 kton multi-purpose underground liquid scintillator detector designed to determine the neutrino mass hierarchy, and measure the neutrino oscillation parameters. The excellent energy…

Instrumentation and Detectors · Physics 2019-03-27 De-Wen Cao , Rui Zhang , You-Hang Liu , Chang-Wei Loh , Wei Wang , Zhi-Qiang Qian , Yu-Zhen Yang , Xing Peng , Yong-feng Zhang , Ai-Zhong Huang , Ming Qi

The Rayleigh scattering length has been calculated for rare-gas liquids in the ultraviolet for the frequencies at which they luminesce. The calculations are based on the measured dielectric constants in the gas phase, except in the case of…

High Energy Physics - Experiment · Physics 2009-11-07 G. M. Seidel , R. E. Lanou , W. Yao

Linear alkylbenzene (LAB) based liquid scintillator is adopted as the central detector for the Jiangmen Underground Neutrino Observatory (JUNO) liquid scintillator detectors. A quenching factor measurement instrument is designed based on…

Instrumentation and Detectors · Physics 2018-01-16 Wentai Luo , Qian Liu , Xiang Zhou , Xuefeng Ding , Yangheng Zheng , Yayun Ding , Li Zhou , Jun Cao , Yifang Wang

Linear alkyl benzene (LAB) will be used as the solvent of a liquid scintillator mixture for the JUNO antineutrino experiment in the near future. Its light absorption property should therefore be understood prior to its effective use in the…

The Jiangmen Underground Neutrino Observatory (JUNO) is a multipurpose neutrino experiment with a 20 kt liquid scintillator detector designed to determine the neutrino mass hierarchy, and measure the neutrino oscillation parameters. Linear…

Instrumentation and Detectors · Physics 2018-01-17 Hai-Bo Yang , De-Wen Cao , Chang-Wei Loh , Ai-Zhong Huang , Rui Zhang , Yu-Zhen Yang , Zhi-Qiang Qian , You-Hang Liu , Xue-Yuan Zhu , Bin Xu , Ming Qi

To separate scintillation and Cherenkov lights in water-based liquid scintillator detectors is a desired feature for future neutrino and proton decay researches. Linear alkyl benzene (LAB) is one important ingredient of a water-based liquid…

Instrumentation and Detectors · Physics 2016-06-14 Mohan Li , Ziyi Guo , Minfang Yeh , Zhe Wang , Shaomin Chen

Jiangmen Underground Neutrino Observatory (JUNO) is the next generation neutrino experiment which aims at neutrino mass hierarchy problem along with many other cutting-edge studies concerning neutrinos. Located 700m underground in Jiangmen…

Instrumentation and Detectors · Physics 2023-08-07 Guojun Yu , Jialiang Zhang , Shuo Li , Zifeng Xu , Lei Zhang , Aizhong Huang , Ming Qi

The timing and spectral characteristics of four highly efficient, slow fluors are presented for liquid scintillator solutions using linear alkylbenzene (LAB) as the primary solvent. The mixtures exhibit high light yields, but with rise…

Instrumentation and Detectors · Physics 2020-05-26 Steven D. Biller , Edward J. Leming , Josephine L. Paton

We investigate Rayleigh scattering in dissipative optical lattices. In particular, following recent proposals (S. Guibal {\it et al}, Phys. Rev. Lett. {\bf 78}, 4709 (1997); C. Jurczak {\it et al}, Phys. Rev. Lett. {\bf 77}, 1727 (1996)),…

We studied the temperature dependence of the light yield of the linear alkyl benzene (LAB)-based and mesitylene-based liquid scintillators. The light yield increases by 23% for both liquid scintillators when the temperature is lowered from…

Instrumentation and Detectors · Physics 2014-02-28 Xia DongMei , Yu BoXiang , Li XiaoBo , Sun XiLei , Ding YaYun , Zhou Li , Cao Jun , Hu Wei , Ye XingCheng , Chen HaiTao , Ding XueFeng , Du Bing

Detection of supernova relic neutrinos could provide key support for our current understanding of stellar and cosmological evolution, and precise measurements of these neutrinos could yield novel insights into the universe. In this paper,…

Instrumentation and Detectors · Physics 2017-04-10 Hanyu Wei , Zhe Wang , Shaomin Chen

It is shown that the scattering of laser radiation on cavitation ruptures in fluids is similar to the scattering by gas particles. When the characteristic dimensions of microscopic voids and bubbles are considerably smaller than the laser…

Optics · Physics 2016-03-03 M. N. Shneider , M. Pekker

The SNO+ liquid scintillator experiment is under construction in the SNOLAB facility in Canada. The success of this experiment relies upon accurate characterization of the liquid scintillator, linear alkylbenzene (LAB). In this paper,…

Instrumentation and Detectors · Physics 2011-06-16 H. M. O'Keeffe , E. O'Sullivan , M. C. Chen

The $\alpha$-particle light response of liquid scintillators based on linear alkylbenzene (LAB) has been measured with three different experimental approaches. In the first approach, $\alpha$-particles were produced in the scintillator via…

Large liquid argon detectors have become widely used in low rate experiments, including dark matter and neutrino research. However, the optical properties of liquid argon are not well understood at the large scales relevant for current and…

Instrumentation and Detectors · Physics 2017-08-15 Emily Grace , Alistair Butcher , Jocelyn Monroe , James A. Nikkel
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