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The isoscaling behavior is investigated using the isotopic/isobaric yields from the equilibrated thermal source which is prepared by the lattice gas model for lighter systems with A = 36. The isoscaling parameters $\alpha$ and -$\beta$ are…

Nuclear Theory · Physics 2009-11-10 Y. G. Ma , K. Wang , Y. B. Wei , G. L. Ma , X. Z. Cai , J. G. Chen , D. Q. Fang , W. Guo , W. Q. Shen , W. D. Tian , C. Zhong

Using a single-phase liquid argon detector with a signal yield of 4.85 photoelectrons per keV of electronic-equivalent recoil energy (keVee), we measure the scintillation time dependence of both electronic and nuclear recoils in liquid…

Nuclear Experiment · Physics 2014-11-18 W. H. Lippincott , K. J. Coakley , D. Gastler , A. Hime , E. Kearns , D. N. McKinsey , J. A. Nikkel , L. C. Stonehill

Since the 1970s it has been known that noble gases scintillate in the near infrared (NIR) region of the spectrum (0.7 $\mu$m < $\lambda$; < 1.5$\mu$m). More controversial has been the question of the NIR light yield for condensed noble…

Instrumentation and Detectors · Physics 2016-03-09 T. Alexander , C. O. Escobar , W. H. Lippincott , P. Rubinov

We report on the results of a high voltage test in liquid argon in order to measure its dielectric rigidity. Under stable conditions and below the boiling point, liquid argon was found to sustain a uniform electric field of 100 kV/cm,…

Instrumentation and Detectors · Physics 2014-01-14 F. Bay , C. Cantini , S. Murphy , F. Resnati , A. Rubbia , F. Sergiampietri , S. Wu

The response of liquid xenon to low-energy electronic recoils is relevant in the search for dark-matter candidates which interact predominantly with atomic electrons in the medium, such as axions or axion-like particles, as opposed to…

Instrumentation and Methods for Astrophysics · Physics 2013-06-21 Laura Baudis , Hrvoje Dujmovic , Christopher Geis , Andreas James , Alexander Kish , Aaron Manalaysay , Teresa Marrodan Undagoitia , Marc Schumann

The Xenon-Argon Technology (X-ArT) collaboration presents a study on the dynamics of pure and xenon-doped liquid argon (LAr) scintillation. Using two types of silicon photomultipliers sensitive to different wavelength ranges, we provide…

$^{83m}Kr$ and $^{22}Na$ have been used in calibrating a liquid argon (LAr) detector.$^{83m}Kr$ atoms are produced through the decay of $^{83}Rb$ and introduced into the LAr detector through the circulating purification system. The light…

Instrumentation and Detectors · Physics 2019-09-06 Weixing Xiong , Mengyun Guan , Changgen Yang , Peng Zhang , Jinchang Liu , Cong Guo , Yuting wei , Youyu Gan , Qin Zhao , Jiajun Li

The ArDM experiment, a 1 ton liquid argon TPC/Calorimeter, is designed for the detection of dark matter particles which can scatter off the spinless argon nuclei. These events producing a recoiling nucleus will be discerned by their light…

Instrumentation and Detectors · Physics 2008-12-09 C. Regenfus

First observation of liquid xenon scintillation due to alpha-particles and gamma-rays with a large area avalanche photodiode immersed in the liquid is reported. An energy resolution of 10% (FWHM) and a coincidence time resolution of less…

Instrumentation and Detectors · Physics 2015-06-26 V. N. Solovov , A. Hitachi , V. Chepel , M. I. Lopes , R. Ferreira Marques , A. J. P. L. Policarpo

The China Dark Matter Experiment (CDEX) is a low background experiment at China Jinping Underground Laboratory (CJPL) designed to directly detect dark matter with a high-purity Germanium (HPGe) detector. In the second phase CDEX-10 with a…

Instrumentation and Detectors · Physics 2016-12-09 Qing-Hao Chen , Qian Yue , Jian-Ping Cheng , Ke-Jun Kang , Yuan-Jing Li , Shin-Ted Lin , Chang-Jian Tang , Hao-Yang Xing , Xun-Zhen Yu , Ming Zeng

The largest direct dark matter search experiments to date employ dual-phase time projection chambers (TPCs) with liquid noble gas targets. These detect both the primary photons generated by particle interactions in the liquid target, as…

Instrumentation and Detectors · Physics 2024-09-19 Florian Tönnies , Adam Brown , Baris Kiyim , Fabian Kuger , Sebastian Lindemann , Patrick Meinhardt , Marc Schumann , Andrew Stevens

A novel liquid argon (LAr) purity monitor was developed with a sensitivity to electronegative impurities of the order of ppb (O$_2$ equivalent). Such a high purity is e.g. needed in a LAr drift chamber. The principle is to measure the…

Instrumentation and Detectors · Physics 2007-05-23 A. Badertscher , M. Laffranchi , A. Rubbia

We present an updated model of light and charge yields from nuclear recoils in liquid xenon with a simultaneously constrained parameter set. A global analysis is performed using measurements of electron and photon yields compiled from all…

Instrumentation and Methods for Astrophysics · Physics 2016-01-20 Brian Lenardo , Kareem Kazkaz , Aaron Manalaysay , Matthew Szydagis , Mani Tripathi

An energetic electron passing through liquid helium causes ionization along its track. The ionized electrons quickly recombine with the resulting positive ions, which leads to the production of prompt scintillation light. By applying…

Instrumentation and Detectors · Physics 2015-05-30 W. Guo , M. Dufault , S. B. Cahn , J. A. Nikkel , Y. Shin , D. N. McKinsey

A workshop was held at Fermilab on March 20-21, 2013 to discuss the development of liquid argon time projection chambers (LArTPC) in the United States. The workshop was organized under the auspices of the Coordinating Panel for Advanced…

Quantum Defect theory is a well established theoretical concept in modern spectroscopy. We show that this approach is useful in electron impact ionization problems where state of the art theoretical methods are presently restricted mostly…

Quantum Physics · Physics 2007-05-23 S. Mazevet , G. Nguyen Vien , J. Langlois , R. J. Tweed , O. Robaux , C. Tannous , K. Fakhreddine

Light detection systems in Liquid Argon Time Projection Chambers (LArTPCs) require the detection of the 128 nm light produced during argon scintillation. Most detectors use Tetraphenyl Butadiene (TPB) to shift the wavelength of the light…

Instrumentation and Detectors · Physics 2015-06-16 C. M. Ignarra

We present a comprehensive comparison of the physics sensitivities of a Liquid Argon Time Projection Chamber (LArTPC) and a Water-based Liquid Scintillator (WbLS) detector, considering their potential deployment as the fourth far detector…

High Energy Physics - Phenomenology · Physics 2025-07-18 Nishat Fiza , Suhyeon Kim , Emar Masaku , Mehedi Masud , Hokyeong Nam , Juseong Park , Yujin Park , Kim Siyeon

This tutorial is devoted to the understanding of the different components that are present in the neutron light output pulse height distribution of liquid scintillators in fusion relevant energy ranges. The basic mechanisms for the…

Instrumentation and Detectors · Physics 2018-10-16 M. Cecconello

We report on the preparation of and calibration measurements with a $^{83\mathrm{m}}$Kr source for the CENNS-10 liquid argon detector. $^{83\mathrm{m}}$Kr atoms generated in the decay of a $^{83}$Rb source were introduced into the detector…