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Search Results: 1 - 10 of 539286 matches for " V. A. Kantserov "
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An effective method to read out large scintillator areas with precise timing
J. Baehr,H. -J. Grabosch,V. Kantserov,H. Leich,R. Leiste,R. Nahnhauer
Physics , 1998, DOI: 10.1063/1.56946
Abstract: Using scintillator tile technology several square meters of plastic scintillator are read out by only two photomultiplier with a time precision of about 1.5 nsec. Two examples are discussed to build a detector based on this technology to search for cosmic muons and neutrinos.
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.
Validation of GEANT4 Monte Carlo Models with a Highly Granular Scintillator-Steel Hadron Calorimeter
C. Adloff,J. Blaha,J. -J. Blaising,C. Drancourt,A. Espargilière,R. Gaglione,N. Geffroy,Y. Karyotakis,J. Prast,G. Vouters,K. Francis,J. Repond,J. Schlereth,J. Smith,L. Xia,E. Baldolemar,J. Li,S. T. Park,M. Sosebee,A. P. White,J. Yu,T. Buanes,G. Eigen,Y. Mikami,N. K. Watson,G. Mavromanolakis,M. A. Thomson,D. R. Ward,W. Yan,D. Benchekroun,A. Hoummada,Y. Khoulaki,J. Apostolakis,A. Dotti,G. Folger,V. Ivantchenko,V. Uzhinskiy,M. Benyamna,C. Carloganu,F. Fehr,P. Gay,S. Manen,L. Royer,G. C. Blazey,A. Dyshkant,J. G. R. Lima,V. Zutshi,J. -Y. Hostachy,L. Morin,U. Cornett,D. David,G. Falley,K. Gadow,P. G？ttlicher,C. Günter,B. Hermberg,S. Karstensen,F. Krivan,A. -I. Lucaci-Timoce,S. Lu,B. Lutz,S. Morozov,V. Morgunov,M. Reinecke,F. Sefkow,P. Smirnov,M. Terwort,A. Vargas-Trevino,N. Feege,E. Garutti,I. Marchesinik,M. Ramilli,P. Eckert,T. Harion,A. Kaplan,H. -Ch. Schultz-Coulon,W. Shen,R. Stamen,B. Bilki,E. Norbeck,Y. Onel,G. W. Wilson,K. Kawagoe,P. D. Dauncey,A. -M. Magnan,V. Bartsch,M. Wing,F. Salvatore,E. Calvo Alamillo,M. -C. Fouz,J. Puerta-Pelayo,B. Bobchenko,M. Chadeeva,M. Danilov,A. Epifantsev,O. Markin,R. Mizuk,E. Novikov,V. Popov,V. Rusinov,E. Tarkovsky,N. Kirikova,V. Kozlov,P. Smirnov,Y. Soloviev,P. Buzhan,A. Ilyin,V. Kantserov,V. Kaplin,A. Karakash,E. Popova,V. Tikhomirov,C. Kiesling,K. Seidel,F. Simon,C. Soldner,M. Szalay,M. Tesar,L. Weuste,M. S. Amjad,J. Bonis,S. Callier,S. Conforti di Lorenzo,P. Cornebise,Ph. Doublet,F. Dulucq,J. Fleury,T. Frisson,N. van der Kolk,H. Li
Physics , 2013, DOI: 10.1088/1748-0221/8/07/P07005
Abstract: Calorimeters with a high granularity are a fundamental requirement of the Particle Flow paradigm. This paper focuses on the prototype of a hadron calorimeter with analog readout, consisting of thirty-eight scintillator layers alternating with steel absorber planes. The scintillator plates are finely segmented into tiles individually read out via Silicon Photomultipliers. The presented results are based on data collected with pion beams in the energy range from 8GeV to 100GeV. The fine segmentation of the sensitive layers and the high sampling frequency allow for an excellent reconstruction of the spatial development of hadronic showers. A comparison between data and Monte Carlo simulations is presented, concerning both the longitudinal and lateral development of hadronic showers and the global response of the calorimeter. The performance of several GEANT4 physics lists with respect to these observables is evaluated.
Performance of the first prototype of the CALICE scintillator strip electromagnetic calorimeter
CALICE Collaboration,K. Francis,J. Repond,J. Schlereth,J. Smith,L. Xia,E. Baldolemar,J. Li,S. T. Park,M. Sosebee,A. P. White,J. Yu,G. Eigen,Y. Mikami,N. K. Watson,M. A. Thomson,D. R. Ward,D. Benchekroun,A. Hoummada,Y. Khoulaki,J. Apostolakis,A. Dotti,G. Folger,V. Ivantchenko,A. Ribon,V. Uzhinskiy,C. Carloganu,P. Gay,S. Manen,L. Royer,M. Tytgat,N. Zaganidis,G. C. Blazey,A. Dyshkant,J. G. R. Lima,V. Zutshi,J. -Y. Hostachy,L. Morin,U. Cornett,D. David,A. Ebrahimi,G. Falley,K. Gadow,P. Goettlicher,C. Guenter,O. Hartbrich,B. Hermberg,S. Karstensen,F. Krivan,K. Krueger,B. Lutz,S. Morozov,V. Morgunov,C. Neubueser,M. Reinecke,F. Sefkow,P. Smirnov,M. Terwort,E. Garutti,S. Laurien,S. Lu,I. Marchesini,M. Matysek,M. Ramilli,K. Briggl,P. Eckert,T. Harion,H. -Ch. Schultz-Coulon,W. Shen,R. Stamen,B. Bilki,E. Norbeck,D. Northacker,Y. Onel,G. W. Wilson,K. Kawagoe,Y. Sudo,T. Yoshioka,P. D. Dauncey,M. Wing,F. Salvatore,E. Cortina Gil,S. Mannai,G. Baulieu,P. Calabria,L. Caponetto,C. Combaret,R. Della Negra,G. Grenier,R. Han,J-C. Ianigro,R. Kieffer,I. Laktineh,N. Lumb,H. Mathez,L. Mirabito,A. Petrukhin,A. Steen,W. Tromeur,M. Vander Donckt,Y. Zoccarato,E. Calvo Alamillo,M. -C. Fouz,J. Puerta-Pelayo,F. Corriveau,B. Bobchenko,M. Chadeeva,M. Danilov,A. Epifantsev,O. Markin,R. Mizuk,E. Novikov,V. Popov,V. Rusinov,E. Tarkovsky,D. Besson,P. Buzhan,A. Ilyin,V. Kantserov,V. Kaplin,A. Karakash,E. Popova,V. Tikhomirov,C. Kiesling,K. Seidel,F. Simon,C. Soldner,L. Weuste,M. S. Amjad,J. Bonis,S. Callier
Physics , 2013, DOI: 10.1016/j.nima.2014.06.039
Abstract: A first prototype of a scintillator strip-based electromagnetic calorimeter was built, consisting of 26 layers of tungsten absorber plates interleaved with planes of 45x10x3 mm3 plastic scintillator strips. Data were collected using a positron test beam at DESY with momenta between 1 and 6 GeV/c. The prototype's performance is presented in terms of the linearity and resolution of the energy measurement. These results represent an important milestone in the development of highly granular calorimeters using scintillator strip technology. This technology is being developed for a future linear collider experiment, aiming at the precise measurement of jet energies using particle flow techniques.
Electromagnetic response of a highly granular hadronic calorimeter
C. Adloff,J. Blaha,J. -J. Blaising,C. Drancourt,A. Espargilière,R. Gaglione,N. Geffroy,Y. Karyotakis,J. Prast,G. Vouters,K. Francis,J. Repond,J. Smith,L. Xia,E. Baldolemar,J. Li,S. T. Park,M. Sosebee,A. P. White,J. Yu,Y. Mikami,N. K. Watson T. Goto,G. Mavromanolakis,M. A. Thomson,D. R. Ward W. Yan,M. Benyamna,C. Carloganu,F. Fehr,P. Gay,S. Manen,L. Royer,G. C. Blazey,A. Dyshkant,J. G. R. Lima,V. Zutshi,J. -Y. Hostachy,L. Morin,U. Cornett,D. David,R. Fabbri,G. Falley,K. Gadow,E. Garutti,P. G？ttlicher,C. Günter,S. Karstensen,F. Krivan,A. -I. Lucaci-Timoce,S. Lu,B. Lutz,I. Marchesini,N. Meyer,S. Morozov,V. Morgunov,M. Reinecke,F. Sefkow,P. Smirnov,M. Terwort,A. Vargas-Trevino,N. Wattimena,O. Wendt,N. Feege,J. Haller,S. Richter,J. Samson P. Eckert,A. Kaplan,H. -Ch. Schultz-Coulon,W. Shen,R. Stamen,A. Tadday,B. Bilki,E. Norbeck,Y. Onel,G. W. Wilson,K. Kawagoe,S. Uozumi,J. A. Ballin,P. D. Dauncey,A. -M. Magnan,H. S. Yilmaz,O. Zorba,V. Bartsch,M. Postranecky,M. Warren,M. Wing,F. Salvatore,E. Calvo Alamillo,M. -C. Fouz,J. Puerta-Pelayo,V. Balagura,B. Bobchenko,M. Chadeeva,M. Danilov,A. Epifantsev,O. Markin,R. Mizuk,E. Novikov,V. Rusinov,E. Tarkovsky,Y. Soloviev,V. Kozlov,P. Buzhan,B. Dolgoshein,A. Ilyin,V. Kantserov,V. Kaplin,A. Karakash,E. Popova,S. Smirnov,A. Frey,C. Kiesling,K. Seidel,F. Simon,C. Soldner,L. Weuste,J. Bonis,B. Bouquet,S. Callier,P. Cornebise,Ph. Doublet,F. Dulucq,M. Faucci Giannelli,J. Fleury,G. Guilhem,H. Li,G. Martin-Chassard,F. Richard,Ch. de la Taille
Physics , 2010, DOI: 10.1088/1748-0221/6/04/P04003
Abstract: The CALICE collaboration is studying the design of high performance electromagnetic and hadronic calorimeters for future International Linear Collider detectors. For the hadronic calorimeter, one option is a highly granular sampling calorimeter with steel as absorber and scintillator layers as active material. High granularity is obtained by segmenting the scintillator into small tiles individually read out via silicon photo-multipliers (SiPM). A prototype has been built, consisting of thirty-eight sensitive layers, segmented into about eight thousand channels. In 2007 the prototype was exposed to positrons and hadrons using the CERN SPS beam, covering a wide range of beam energies and incidence angles. The challenge of cell equalization and calibration of such a large number of channels is best validated using electromagnetic processes. The response of the prototype steel-scintillator calorimeter, including linearity and uniformity, to electrons is investigated and described.
Hadronic energy resolution of a highly granular scintillator-steel hadron calorimeter using software compensation techniques
CALICE Collaboration,C. Adloff,J. Blaha,J. -J. Blaising,C. Drancourt,A. Espargilière,R. Gaglione,N. Geffroy,Y. Karyotakis,J. Prast,G. Vouters,K. Francis,J. Repond,J. Smith,L. Xia,E. Baldolemar,J. Li,S. T. Park,M. Sosebee,A. P. White,J. Yu,T. Buanes,G. Eigen,Y. Mikami,N. K. Watson,T. Goto,G. Mavromanolakis,M. A. Thomson,D. R. Ward,W. Yan,D. Benchekroun,A. Hoummada,Y. Khoulaki,M. Benyamna,C. Carloganu,F. Fehr,P. Gay,S. Manen,L. Royer,G. C. Blazey,A. Dyshkant,J. G. R. Lima,V. Zutshi,J. -Y. Hostachy,L. Morin,U. Cornett,D. David,G. Falley,K. Gadow,P. G？ttlicher,C. Günter,B. Hermberg,S. Karstensen,F. Krivan,A. -I. Lucaci-Timoce,S. Lu,B. Lutz,S. Morozov,V. Morgunov,M. Reinecke,F. Sefkow,P. Smirnov,M. Terwort,A. Vargas-Trevino,N. Feege,E. Garutti,I. Marchesini,M. Ramilli,P. Eckert,T. Harion,A. Kaplan,H. -Ch. Schultz-Coulon,W. Shen,R. Stamen,A. Tadday,B. Bilki,E. Norbeck,Y. Onel,G. W. Wilson,K. Kawagoe,P. D. Dauncey,A. -M. Magnan,M. Wing,F. Salvatore,E. Calvo Alamillo,M. -C. Fouz,J. Puerta-Pelayo,V. Balagura,B. Bobchenko,M. Chadeeva,M. Danilov,A. Epifantsev,O. Markin,R. Mizuk,E. Novikov,V. Rusinov,E. Tarkovsky,N. Kirikova,V. Kozlov,P. Smirnov,Y. Soloviev,P. Buzhan,B. Dolgoshein,A. Ilyin,V. Kantserov,V. Kaplin,A. Karakash,E. Popova,S. Smirnov,C. Kiesling,S. Pfau,K. Seidel,F. Simon,C. Soldner,M. Szalay,M. Tesar,L. Weuste,J. Bonis,B. Bouquet,S. Callier,P. Cornebise,Ph. Doublet,F. Dulucq,M. Faucci Giannelli,J. Fleury,H. Li,G. Martin-Chassard,F. Richard,Ch. de la Taille,R. P？schl,L. Raux
Physics , 2012, DOI: 10.1088/1748-0221/7/09/P09017
Abstract: The energy resolution of a highly granular 1 m3 analogue scintillator-steel hadronic calorimeter is studied using charged pions with energies from 10 GeV to 80 GeV at the CERN SPS. The energy resolution for single hadrons is determined to be approximately 58%/sqrt(E/GeV}. This resolution is improved to approximately 45%/sqrt(E/GeV) with software compensation techniques. These techniques take advantage of the event-by-event information about the substructure of hadronic showers which is provided by the imaging capabilities of the calorimeter. The energy reconstruction is improved either with corrections based on the local energy density or by applying a single correction factor to the event energy sum derived from a global measure of the shower energy density. The application of the compensation algorithms to Geant4 simulations yield resolution improvements comparable to those observed for real data.
Black Hole in Binary System is the Source of Cosmic Gamma-Ray Bursts and Their Counterparts  [PDF]
A. V. Kuznetsov
Journal of Modern Physics (JMP) , 2011, DOI: 10.4236/jmp.2011.27082
Abstract: Discovery of GRB clusters allows us to determine coordinates and characteristics of their sources. The objects radiating GRBs are reliably identified with black hole binaries, including the Galactic binaries. One of the unusual GRB properties, which are determined by black hole, is revealed in that the measured arrival direction of GRB does not coincide with the real location of its source. Just this fact allows us to find the objects radiating GRBs. On the basis of the general relativity theory's effects, observed in the GRB clusters, the technique of the black hole masses measurement is developed. The calculated black hole masses for the majority of known Galactic BH binaries are presented. It is briefly shown how the incorrect interpretations of observational facts result in an erroneous idea of the GRB cosmological origin. In fact, two problems are solved in the paper: the GRB origin and the reality of BH existence.
Book Review of Non-Traditional Dynamics in Electronics: Theory and Practice  [PDF]
V. A. Banakh
Journal of Modern Physics (JMP) , 2012, DOI: 10.4236/jmp.2012.34049
Abstract: Book Review of Non-Traditional Dynamics in Electronics: Theory and Practice
Feynman Formulas Representation of Semigroups Generated by Parabolic Difference-Differential Equations  [PDF]
V. Sakbaev, A. Yaakbarieh
American Journal of Computational Mathematics (AJCM) , 2012, DOI: 10.4236/ajcm.2012.24040
Abstract: We establish that the Laplas operator with perturbation by symmetrised linear hall of displacement argument operators is the generator of unitary group in the Hilbert space of square integrable functions. The representation of semigroup of Cauchy problem solutions for considered functional differential equation is given by the Feynman formulas.
Quantum Entanglement on Cosmological Scale  [PDF]
A. Nicolaidis, V. Kiosses
Journal of Modern Physics (JMP) , 2013, DOI: 10.4236/jmp.2013.48A014
Abstract:

It has been indicated that relational logic may serve as the common foundation of quantum mechanics and string theory. A relation may be represented by a spinor and the Cartan-Penrose connection of spinor to geometry, allows to abstract geometry as the outcome of entangled relations-spinors. Our approach goes in parallel with Wheeler’s pregeometry, where pregeometry, the stage preceding geometry, is based on a calculus of relations-propositions. With a single spinor related to the null cone of Minkowski space-time, we search for the geometry when we couple a left-handed spinor and a right-handed spinor. We find that a Majorana-type coupling gives rise to the ordinary entanglement, while a Diractype coupling generates an extra dimension with two branes coexisting in the extra dimension. One brane hosts lefthanded particles (our brane), while the other brane hosts right-handed particles. A distinct phenomenology accompanies our proposal. The left-right symmetry is achieved with having two “mirror” branes and the neutrino appears as the ideal mediator between the branes. We may revisit also the dark matter, dark energy issues, with everything on the other brane and in the bulk appearing “dark” to us. During the brane collision all points are causally connected, making less pressing the inflationary scenario. Our scheme brings closer logic—quantum theory—cosmology, while space-time, rather than an abstract and an a priori construction, appears as the outcome of a quantum logical act.

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