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Search Results: 1 - 10 of 539515 matches for " A. V. Kuchenkov "
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Track detector DEVIS for the double beta decay investigation
V. Artemiev,V. Belov,E. Brakhman,A. Karelin,V. Kirichenko,O. Kozodaeva,A. Kuchenkov,V. Lubimov,A. Mitin,T. Tsvetkova,O. Zeldovich
Physics , 2004,
Abstract: Detector DEVIS is TPC in the magnetic field. It is dedicated to the investigation of the double-beta decay of Xe. Setup sensitivity was estimated in the series of measurements with Xe with natural isotopes composition. Detector allows measuring two-neutrino double-beta decay of $^{136}$Xe with half-life less than $3 \cdot 10^{20}$ years.
Experimental study of ionization yield of liquid xenon for electron recoils in the energy range 2.8 - 80 keV
D. Yu. Akimov,V. V. Afanasyev,I. S. Alexandrov,V. A. Belov,A. I. Bolozdynya,A. A. Burenkov,Yu. V. Efremenko,D. A. Egorov,A. V. Etenko,M. A. Gulin,S. V. Ivakhin,V. A. Kaplin,A. K. Karelin,A. V. Khromov,M. A. Kirsanov,S. G. Klimanov,A. S. Kobyakin,A. M. Konovalov,A. G. Kovalenko,A. V. Kuchenkov,A. V. Kumpan,Yu. A. Melikyan,R. I. Nikolaev,D. G. Rudik,V. V. Sosnovtsev,V. N. Stekhanov
Physics , 2014, DOI: 10.1088/1748-0221/9/11/P11014
Abstract: We present the results of the first experimental study of ionization yield of electron recoils with energies below 100 keV produced in liquid xenon by the isotopes: 37Ar, 83mKr, 241Am, 129Xe, 131Xe. It is confirmed by a direct measurement with 37Ar isotope (2.82 keV) that the ionization yield is growing up with the energy decrease in the energy range below ~ 10 keV accordingly to the NEST predictions. Decay time of scintillation at 2.82 keV is measured to be 25 +/- 3 ns at the electric field of 3.75 kV/cm.
Perspectives to measure neutrino-nuclear neutral current coherent scattering with two-phase emission detector
RED Collaboration,D. Yu. Akimov,I. S. Alexandrov,V. I. Aleshin,V. A. Belov,A. I. Bolozdynya,A. A. Burenkov,A. S. Chepurnov,M. V. Danilov,A. V. Derbin,V. V. Dmitrenko,A. G. Dolgolenko,D. A. Egorov,Yu. V. Efremenko,A. V. Etenko,M. B. Gromov,M. A. Gulin,S. V. Ivakhin,V. A. Kantserov,V. A. Kaplin,A. K. Karelin,A. V. Khromov,M. A. Kirsanov,S. G. Klimanov,A. S. Kobyakin,A. M. Konovalov,A. G. Kovalenko,V. I. Kopeikin,T. D. Krakhmalova,A. V. Kuchenkov,A. V. Kumpan,E. A. Litvinovich,G. A Lukyanchenko,I. N. Machulin,V. P. Martemyanov,N. N. Nurakhov,D. G. Rudik,I. S. Saldikov,M. D. Skorokhatov,V. V. Sosnovtsev,V. N. Stekhanov,M. N. Strikhanov,S. V. Sukhotin,V. G. Tarasenkov,G. V. Tikhomirov,O. Ya. Zeldovich
Physics , 2012, DOI: 10.1088/1748-0221/8/10/P10023
Abstract: We propose to detect and to study neutrino neutral current coherent scattering off atomic nuclei with a two-phase emission detector using liquid xenon as a working medium. Expected signals and backgrounds are calculated for two possible experimental sites: Kalinin Nuclear Power Plant in the Russian Federation and Spallation Neutron Source at the Oak Ridge National Laboratory in the USA. Both sites have advantages as well as limitations. However the experiment looks feasible at either location. Preliminary design of the detector and supporting R&D program are discussed.
A simple radionuclide-driven single-ion source
M. Montero Díez,K. Twelker,W. Fairbank Jr.,G. Gratta,P. S. Barbeau,K. Barry,R. DeVoe,M. J. Dolinski,M. Green,F. LePort,A. R. Müller,R. Neilson,K. O'Sullivan,N. Ackerman,B. Aharmin,M. Auger,C. Benitez-Medina,M. Breidenbach,A. Burenkov,S. Cook,T. Daniels,K. Donato,J. Farine,G. Giroux,R. Gornea,K. Graham,C. Hagemann,C. Hall,K. Hall,D. Hallman,C. Hargrove,S. Herrin,A. Karelin,L. J. Kaufman,A. Kuchenkov,K. Kumar,J. Lacey,D. S. Leonard,D. Mackay,R. MacLellan,B. Mong,E. Niner,A. Odian,A. Piepke,A. Pocar,C. Y. Prescott,K. Pushkin,E. Rollin,P. C. Rowson,D. Sinclair,S. Slutsky,V. Stekhanov,J. -L. Vuilleumier,U. Wichoski,J. Wodin,L. Yang,Y. -R. Yen
Physics , 2010, DOI: 10.1063/1.3499505
Abstract: We describe a source capable of producing single barium ions through nuclear recoils in radioactive decay. The source is fabricated by electroplating 148Gd onto a silicon {\alpha}-particle detector and vapor depositing a layer of BaF2 over it. 144Sm recoils from the alpha decay of 148Gd are used to dislodge Ba+ ions from the BaF2 layer and emit them in the surrounding environment. The simultaneous detection of an {\alpha} particle in the substrate detector allows for tagging of the nuclear decay and of the Ba+ emission. The source is simple, durable, and can be manipulated and used in different environments. We discuss the fabrication process, which can be easily adapted to emit most other chemical species, and the performance of the source.
A xenon gas purity monitor for EXO
EXO Collaboration,A. Dobi,C. Hall,S. Herrin,A. Odian,C. Y. Prescott,P. C. Rowson,N. Ackerman,B. Aharmin,M. Auger,P. S. Barbeau,K. Barry,C. Benitez-Medina,M. Breidenbach,S. Cook,I. Counts,T. Daniels,R. DeVoe,M. J. Dolinski,K. Donato,W. Fairbank Jr.,J. Farine,G. Giroux,R. Gornea,K. Graham,G. Gratta,M. Green,C. Hagemann,K. Hall,D. Hallman,C. Hargrove,A. Karelin,L. J. Kaufman,A. Kuchenkov,K. Kumar,J. Lacey,D. S. Leonard,F. LePort,D. Mackay,R. MacLellan,B. Mong,M. Montero Diez,A. R. Muller,R. Neilson,E. Niner,K. O'Sullivan,A. Piepke,A. Pocar,K. Pushkin,E. Rollin,D. Sinclair,S. Slutsky,V. Stekhanov,K. Twelker,N. Voskanian,J. -L. Vuilleumier,U. Wichoski,J. Wodin,L. Yang,Y. -R. Yen
Physics , 2011, DOI: 10.1016/j.nima.2011.09.017
Abstract: We discuss the design, operation, and calibration of two versions of a xenon gas purity monitor (GPM) developed for the EXO double beta decay program. The devices are sensitive to concentrations of oxygen well below 1 ppb at an ambient gas pressure of one atmosphere or more. The theory of operation of the GPM is discussed along with the interactions of oxygen and other impurities with the GPM's tungsten filament. Lab tests and experiences in commissioning the EXO-200 double beta decay experiment are described. These devices can also be used on other noble gases.
Observation of Two-Neutrino Double-Beta Decay in Xe-136 with EXO-200
N. Ackerman,B. Aharmim,M. Auger,D. J. Auty,P. S. Barbeau,K. Barry,L. Bartoszek,E. Beauchamp,V. Belov,C. Benitez-Medina,M. Breidenbach,A. Burenkov,B. Cleveland,R. Conley,E. Conti,J. Cook,S. Cook,A. Coppens,I. Counts,W. Craddock,T. Daniels,M. V. Danilov,C. G. Davis,J. Davis,R. deVoe,Z. Djurcic,A. Dobi,A. G. Dolgolenko,M. J. Dolinski,K. Donato,W. Fairbank Jr.,J. Farine,P. Fierlinger,D. Franco,D. Freytag,G. Giroux,R. Gornea,K. Graham,G. Gratta,M. P. Green,C. Hagemann,C. Hall,K. Hall,G. Haller,C. Hargrove,R. Herbst,S. Herrin,J. Hodgson,M. Hughes,A. Johnson,A. Karelin,L. J. Kaufman,T. Koffas,A. Kuchenkov,A. Kumar,K. S. Kumar,D. S. Leonard,F. Leonard,F. LePort,D. Mackay,R. MacLellan,M. Marino,Y. Martin,B. Mong,M. Montero Diez,P. Morgan,A. R. Muller,R. Neilson,R. Nelson,A. Odian,K. O'Sullivan,C. Ouellet,A. Piepke,A. Pocar,C. Y. Prescott,K. Pushkin,A. Rivas,E. Rollin,P. C. Rowson,J. J. Russell,A. Sabourov,D. Sinclair,K. Skarpaas,S. Slutsky,V. Stekhanov,V. Strickland,M. Swift,D. Tosi,K. Twelker,P. Vogel,J. -L. Vuilleumier,J. -M. Vuilleumier,A. Waite,S. Waldman,T. Walton,K. Wamba,M. Weber,U. Wichoski,J. Wodin,J. D. Wright,L. Yang,Y. -R. Yen,O. Ya. Zeldovich
Statistics , 2011, DOI: 10.1103/PhysRevLett.107.212501
Abstract: We report the observation of two-neutrino double-beta decay in Xe-136 with T_1/2 = 2.11 +- 0.04 (stat.) +- 0.21 (sys.) x 10^21 yr. This second order process, predicted by the Standard Model, has been observed for several nuclei but not for Xe-136. The observed decay rate provides new input to matrix element calculations and to the search for the more interesting neutrino-less double-beta decay, the most sensitive probe for the existence of Majorana particles and the measurement of the neutrino mass scale.
An improved measurement of the 2νββ half-life of Xe-136 with EXO-200
J. B. Albert,M. Auger,D. J. Auty,P. S. Barbeau,E. Beauchamp,D. Beck,V. Belov,C. Benitez-Medina,J. Bonatt,M. Breidenbach,T. Brunner,A. Burenkov,G. F. Cao,C. Chambers,J. Chaves,B. Cleveland,S. Cook,T. Daniels,M. Danilov,S. J. Daugherty,C. G. Davis,J. Davis,S. Delaquis,R. DeVoe,A. Dobi,M. J. Dolinski,A. Dolgolenko,M. Dunford,W. Fairbank Jr.,J. Farine,W. Feldmeier,P. Fierlinger,D. Franco,D. Fudenberg,G. Giroux,R. Gornea,K. Graham,G. Gratta,C. Hall,K. Hall,C. Hargrove,S. Herrin,M. Hughes,X. S. Jiang,A. Johnson,T. N. Johnson,S. Johnston,A. Karelin,L. J. Kaufman,R. Killick,S. Kravitz,A. Kuchenkov,K. S. Kumar,D. S. Leonard,F. Leonard,C. Licciardi,R. MacLellan,M. G. Marino,B. Mong,M. Montero Díez,D. Moore,R. Nelson,A. Odian,I. Ostrovskiy,K. O'Sullivan,C. Ouellet,A. Piepke,A. Pocar,C. Y. Prescott,A. Rivas,P. C. Rowson,M. P. Rozo,J. J. Russell,A. Sabourov,D. Sinclair,K. Skarpaas,S. Slutsky,V. Stekhanov,V. Strickland,M. Tarka,T. Tolba,D. Tosi,K. Twelker,P. Vogel,J. -L. Vuilleumier,A. Waite,J. Walton,T. Walton,M. Weber,L. J. Wen,U. Wichoski,J. Wodin,J. D. Wright,L. Yang,Y. -R. Yen,O. Ya. Zeldovich,Y. B. Zhao
Statistics , 2013, DOI: 10.1103/PhysRevC.89.015502
Abstract: We report on an improved measurement of the 2\nu \beta \beta\ half-life of Xe-136 performed by EXO-200. The use of a large and homogeneous time projection chamber allows for the precise estimate of the fiducial mass used for the measurement, resulting in a small systematic uncertainty. We also discuss in detail the data analysis methods used for double-beta decay searches with EXO-200, while emphasizing those directly related to the present measurement. The Xe-136 2\nu \beta \beta\ half-life is found to be 2.165 +- 0.016 (stat) +- 0.059 (sys) x 10^21 years. This is the most precisely measured half-life of any 2\nu \beta \beta\ decay to date.
A magnetically-driven piston pump for ultra-clean applications
F. LePort,R. Neilson,P. S. Barbeau,K. Barry,L. Bartoszek,I. Counts,J. Davis,R. deVoe,M. J. Dolinski,G. Gratta,M. Green,M. Montero Díez,A. R. Müller,K. O'Sullivan,A. Rivas,K. Twelker,B. Aharmim,M. Auger,V. Belov,C. Benitez-Medina,M. Breidenbach,A. Burenkov,B. Cleveland,R. Conley,J. Cook,S. Cook,W. Craddock,T. Daniels,M. Dixit,A. Dobi,K. Donato,W. Fairbank Jr.,J. Farine,P. Fierlinger,D. Franco,G. Giroux,R. Gornea,K. Graham,C. Green,C. H?gemann,C. Hall,K. Hall,D. Hallman,C. Hargrove,S. Herrin,M. Hughes,J. Hodgson,F. Juget,L. J. Kaufman,A. Karelin,J. Ku,A. Kuchenkov,K. Kumar,D. S. Leonard,G. Lutter,D. Mackay,R. MacLellan,M. Marino,B. Mong,P. Morgan,A. Odian,A. Piepke,A. Pocar,C. Y. Prescott,K. Pushkin,E. Rollin,P. C. Rowson,B. Schmoll,D. Sinclair,K. Skarpaas,S. Slutsky,V. Stekhanov,V. Strickland,M. Swift,J. -L. Vuilleumier,J. -M. Vuilleumier,U. Wichoski,J. Wodin,L. Yang,Y. -R. Yen
Physics , 2011, DOI: 10.1063/1.3653391
Abstract: A magnetically driven piston pump for xenon gas recirculation is presented. The pump is designed to satisfy extreme purity and containment requirements, as is appropriate for the recirculation of isotopically enriched xenon through the purification system and large liquid xenon TPC of EXO-200. The pump, using sprung polymer gaskets, is capable of pumping more than 16 standard liters per minute (SLPM) of xenon gas with 750 torr differential pressure.
Investigation of radioactivity-induced backgrounds in EXO-200
J. B. Albert,D. J. Auty,P. S. Barbeau,D. Beck,V. Belov,C. Benitez-Medina,M. Breidenbach,T. Brunner,A. Burenkov,G. F. Cao,C. Chambers,B. Cleveland,M. Coon,A. Craycraft,T. Daniels,M. Danilov,S. J. Daugherty,C. G. Davis,J. Davis,S. Delaquis,A. Der Mesrobian-Kabakian,R. DeVoe,T. Didberidze,A. Dolgolenko,M. J. Dolinski,M. Dunford,W. Fairbank Jr.,J. Farine,W. Feldmeier,P. Fierlinger,D. Fudenberg,G. Giroux,R. Gornea,K. Graham,G. Gratta,C. Hall,S. Herrin,M. Hughes,M. J. Jewell,X. S. Jiang,A. Johnson,T. N. Johnson,S. Johnston,A. Karelin,L. J. Kaufman,R. Killick,T. Koffas,S. Kravitz,A. Kuchenkov,K. S. Kumar,D. S. Leonard,C. Licciardi,Y. H. Lin,J. Ling,R. MacLellan,M. G. Marino,B. Mong,D. Moore,R. Nelson,A. Odian,I. Ostrovskiy,A. Piepke,A. Pocar,C. Y. Prescott,A. Rivas,P. C. Rowson,J. J. Russell,A. Schubert,D. Sinclair,E. Smith,V. Stekhanov,M. Tarka,T. Tolba,R. Tsang,K. Twelker,J. -L. Vuilleumier,A. Waite,J. Walton,T. Walton,M. Weber,L. J. Wen,U. Wichoski,J. Wood,L. Yang,Y. -R. Yen,O. Ya. Zeldovich
Physics , 2015, DOI: 10.1103/PhysRevC.92.015503}
Abstract: The search for neutrinoless double-beta decay (0{\nu}{\beta}{\beta}) requires extremely low background and a good understanding of their sources and their influence on the rate in the region of parameter space relevant to the 0{\nu}{\beta}{\beta} signal. We report on studies of various {\beta}- and {\gamma}-backgrounds in the liquid- xenon-based EXO-200 0{\nu}{\beta}{\beta} experiment. With this work we try to better understand the location and strength of specific background sources and compare the conclusions to radioassay results taken before and during detector construction. Finally, we discuss the implications of these studies for EXO-200 as well as for the next-generation, tonne-scale nEXO detector.
Measurements of the ion fraction and mobility of alpha and beta decay products in liquid xenon using EXO-200
J. B. Albert,D. J. Auty,P. S. Barbeau,D. Beck,V. Belov,M. Breidenbach,T. Brunner,A. Burenkov,G. F. Cao,C. Chambers,B. Cleveland,M. Coon,A. Craycraft,T. Daniels,M. Danilov,S. J. Daugherty,C. G. Davis,J. Davis,S. Delaquis,A. Der Mesrobian-Kabakian,R. DeVoe,T. Didberidze,A. Dolgolenko,M. J. Dolinski,M. Dunford,W. Fairbank Jr.,J. Farine,W. Feldmeier,P. Fierlinger,D. Fudenberg,R. Gornea,K. Graham,G. Gratta,C. Hall,M. Hughes,M. J. Jewell,X. S. Jiang,A. Johnson,T. N. Johnson,S. Johnston,A. Karelin,L. J. Kaufman,R. Killick,T. Koffas,S. Kravitz,A. Kuchenkov,K. S. Kumar,D. S. Leonard,C. Licciardi,Y. H. Lin,J. Ling,R. MacLellan,M. G. Marino,B. Mong,D. Moore,R. Nelson,K. O'Sullivan,A. Odian,I. Ostrovskiy,A. Piepke,A. Pocar,C. Y. Prescott,A. Robinson,P. C. Rowson,J. J. Russell,A. Schubert,D. Sinclair,E. Smith,V. Stekhanov,M. Tarka,T. Tolba,R. Tsang,K. Twelker,J. -L. Vuilleumier,A. Waite,J. Walton,T. Walton,M. Weber,L. J. Wen,U. Wichoski,J. D. Wright,J. Wood,L. Yang,Y. -R. Yen,O. Ya. Zeldovich
Physics , 2015, DOI: 10.1103/PhysRevC.92.045504
Abstract: Alpha decays in the EXO-200 detector are used to measure the fraction of charged $^{218}\mathrm{Po}$ and $^{214}\mathrm{Bi}$ daughters created from alpha and beta decays, respectively. $^{222}\mathrm{Rn}$ alpha decays in liquid xenon (LXe) are found to produce $^{218}\mathrm{Po}^{+}$ ions $50.3 \pm 3.0\%$ of the time, while the remainder of the $^{218}\mathrm{Po}$ atoms are neutral. The fraction of $^{214}\mathrm{Bi}^{+}$ from $^{214}\mathrm{Pb}$ beta decays in LXe is found to be $76.4 \pm 5.7\%$, inferred from the relative rates of $^{218}\mathrm{Po}$ and $^{214}\mathrm{Po}$ alpha decays in the LXe. The average velocity of $^{218}\mathrm{Po}$ ions is observed to decrease for longer drift times. Initially the ions have a mobility of $0.390 \pm 0.006~\mathrm{cm}^2/(\mathrm{kV}~\mathrm{s})$, and at long drift times the mobility is $0.219 \pm 0.004~\mathrm{cm}^2/(\mathrm{kV}~\mathrm{s})$. Time constants associated with the change in mobility during drift of the $^{218}\mathrm{Po}^{+}$ ions are found to be proportional to the electron lifetime in the LXe.
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