I
I. Koutcheryaev
Researcher at Kurchatov Institute
Publications - 32
Citations - 625
I. Koutcheryaev is an academic researcher from Kurchatov Institute. The author has contributed to research in topics: Pion & Charged particle. The author has an hindex of 13, co-authored 29 publications receiving 600 citations.
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Journal ArticleDOI
Observation of direct photons in central 158A GeV (208)P(208)b+Pb collisions
Madan M. Aggarwal,A. Agnihotri,Zubayer Ahammed,A.L.S. Angelis,V.G. Antonenko,V. Arefiev,V. Astakhov,V. Avdeitchikov,T. C. Awes,P.V.K.S. Baba,S. K. Badyal,C. Barlag,S. Bathe,B. Batiounia,T. Bernier,K. B. Bhalla,V. S. Bhatia,C. Blume,R. Bock,E.-M. Bohne,Z.K. Böröcz,D. Bucher,A. Buijs,H. Büsching,Lars Carlén,V. Chalyshev,Sukalyan Chattopadhyay,R. Cherbatchev,Tatsuya Chujo,A. Claussen,A. C. Das,M. P. Decowski,H. Delagrange,V. Djordjadze,P. Donni,I. Doubovik,S. Dutt,M. R. Dutta Majumdar,K. El Chenawi,S. Eliseev,K. Enosawa,P. Foka,Sergey Fokin,M. S. Ganti,S. Garpman,O. P. Gavrishchuk,F. J M Geurts,T. K. Ghosh,R. Glasow,Shiv K. Gupta,B.N. Gus'kov,H. Å. Gustafsson,H. H. Gutbrod,R. Higuchi,I. Hrivnacova,Mikhail Ippolitov,H. Kalechofsky,R. Kamermans,Kh Kampert,K. Karadjev,Krzysztof Karpio,S. Kato,S. Kees,C. Klein-Bösing,S. Knoche,B. W. Kolb,I. Kosarev,I. Koutcheryaev,T. Krümpel,A. Kugler,P. Kulinich,M. Kurata,K. Kurita,N.A. Kuzmin,I. Langbein,A.L. Lebedev,Y.Y. Lee,Herbert Löhner,L. Luquin,D. P. Mahapatra,Vladislav Manko,MV Manzano Martin,G. Martínez,A. Maximov,G. Mgebrichvili,Yasuo Miake,Md. F. Mir,G. C. Mishra,Y. Miyamoto,Bedangadas Mohanty,M. J. Mora,D. P. Morrison,D. S. Mukhopadhyay,H. Naef,B. K. Nandi,S. K. Nayak,T. K. Nayak,S. Neumaier,A. Nianine,V. Nikitine,Sergey Nikolaev,Peter M. Nilsson,Shunji Nishimura,Petr Nomokonov,Joakim Nystrand,F. E. Obenshain,Agneta Oskarsson,I. Otterlund,M. Pachr,S. Pavliouk,T. Peitzmann,V. Petracek,W. Pinganaud,F. Plasil,U. v. Poblotzki,M. L. Purschke,Jan Rak,Rashmi Raniwala,Sudhir Raniwala,V. S. Ramamurthy,N. K. Rao,F. Retiere,Klaus Johannes Reygers,Gunther Roland,L. Rosselet,I. Roufanov,C. Roy,J. M. Rubio,Hiroyuki Sako,Sanjeev Singh Sambyal,R. Santo,Susumu Sato,H. Schlagheck,Hans Rudolf Schmidt,Y. Schutz,G.S. Shabratova,T. H. Shah,I. Sibiriak,Teodor Siemiarczuk,David Olle Rickard Silvermyr,Bikash Sinha,Nikolai V Slavine,K. Söderström,N. Solomey,G. Sood,S. P. Sorensen,S. P. Sorensen,P. W. Stankus,G. Stefanek,P. Steinberg,E. Stenlund,D. Stüken,Michal Sumbera,T. Svensson,M. D. Trivedi,A. A. Tsvetkov,L. Tykarski,J. Urbahn,E. C. v. d. Pijll,N. v. Eijndhoven,Gerrit Jan van Nieuwenhuizen,A. A. Vinogradov,Y. P. Viyogi,A.S. Vodopianov,S. Vörös,Bolek Wyslouch,K. Yagi,Y. Yokota,G. R. Young +168 more
TL;DR: The result constitutes the first observation of direct photons in ultrarelativistic heavy-ion collisions and could be significant for diagnosis of quark-gluon-plasma formation.
Journal ArticleDOI
Interferometry of direct photons in central 208Pb + 208Pb collisions at 158A GeV
Madan M. Aggarwal,Zubayer Ahammed,A.L.S. Angelis,V.G. Antonenko,V. Arefiev,V. Astakhov,V. Avdeitchikov,T. C. Awes,P.V.K.S. Baba,S. K. Badyal,S. Bathe,B. Batiounia,T. Bernier,K. B. Bhalla,V. S. Bhatia,C. Blume,D. Bucher,H. Büsching,Lars Carlén,Sukalyan Chattopadhyay,M. P. Decowski,H. Delagrange,P. Donni,M. R. Dutta Majumdar,K. El Chenawi,A. K. Dubey,K. Enosawa,Sergey Fokin,Vladimir Frolov,M. S. Ganti,S. Garpman,O. P. Gavrishchuk,F. J M Geurts,T. K. Ghosh,R. Glasow,B. Guskov,Hans-Åke Gustafsson,H. H. Gutbrod,I. Hrivnacova,Mikhail Ippolitov,H. Kalechofsky,K. Karadjev,Krzysztof Karpio,B. W. Kolb,I. Kosarev,I. Koutcheryaev,A. Kugler,P. Kulinich,M. Kurata,A.L. Lebedev,Herbert Löhner,L. Luquin,D. P. Mahapatra,Vladislav Manko,MV Manzano Martin,G. Martínez,A. Maximov,Yasuo Miake,G. C. Mishra,Bedangadas Mohanty,M. J. Mora,D. P. Morrison,T. V. Moukhanova,D. S. Mukhopadhyay,H. Naef,B. K. Nandi,S. K. Nayak,T. K. Nayak,A. Nianine,V. Nikitine,Sergey Nikolaev,Pål Nilsson,Shunji Nishimura,Petr Nomokonov,Joakim Nystrand,Anders Oskarsson,Ingvar Otterlund,T. Peitzmann,D. Peressounko,V. Petracek,S. C. Phatak,W. Pinganaud,F. Plasil,M. L. Purschke,Jan Rak,Rashmi Raniwala,Sudhir Raniwala,N. K. Rao,F. Retiere,Klaus Johannes Reygers,Gunther Roland,L. Rosselet,I. Roufanov,C. Roy,J. M. Rubio,Sanjeev Singh Sambyal,R. Santo,Susumu Sato,H. Schlagheck,Hans Rudolf Schmidt,Y. Schutz,G.S. Shabratova,T. H. Shah,I. Sibiriak,Teodor Siemiarczuk,D. Silvermyr,Bikash Sinha,Nikolai V Slavine,K. Söderström,G. Sood,S. P. Sorensen,P. W. Stankus,G. Stefanek,P. Steinberg,Evert Stenlund,Michal Sumbera,T. Svensson,A. A. Tsvetkov,L. Tykarski,E. C. v. d. Pijll,N. v. Eijndhoven,Gerrit Jan van Nieuwenhuizen,A. A. Vinogradov,Y. P. Viyogi,A.S. Vodopianov,S. Vörös,Bolek Wyslouch,G. R. Young +127 more
TL;DR: Two-particle correlations of direct photons were measured in central 208Pb+208Pb collisions at 158A GeV and the yield of soft direct photons, K(T)<300 MeV/c, was extracted from the correlation strength and compared to theoretical calculations.
Journal ArticleDOI
Event-by-event fluctuations in particle multiplicities and transverse energy produced in 158A GeVPb plus Pb collisions
Madan M. Aggarwal,Zubayer Ahammed,A.L.S. Angelis,V.G. Antonenko,V. Arefiev,V. Astakhov,V. Avdeitchikov,T. C. Awes,P.V.K.S. Baba,S. K. Badyal,S. Bathe,B. Batiounia,T. Bernier,K. B. Bhalla,V. S. Bhatia,C. Blume,D. Bucher,H. Büsching,Lars Carlén,Sukalyan Chattopadhyay,M. P. Decowski,H. Delagrange,P. Donni,M. R. Dutta Majumdar,K. El Chenawi,A. K. Dubey,K. Enosawa,Sergey Fokin,Vladimir Frolov,M. S. Ganti,S. Garpman,O. P. Gavrishchuk,F. J M Geurts,T. K. Ghosh,R. Glasow,B.N. Gus'kov,H. A. Gustafsson,H. H. Gutbrod,I. Hrivnacova,Mikhail Ippolitov,H. Kalechofsky,K. Karadjev,Krzysztof Karpio,B. W. Kolb,I. Kosarev,I. Koutcheryaev,A. Kugler,P. Kulinich,M. Kurata,A.L. Lebedev,Herbert Löhner,L. Luquin,D. P. Mahapatra,Vladislav Manko,MV Manzano Martin,G. Martínez,A. Maximov,Yasuo Miake,G. C. Mishra,Bedangadas Mohanty,M. J. Mora,D. P. Morrison,T. Mukhanova,D. S. Mukhopadhyay,H. Naef,B. K. Nandi,S. K. Nayak,T. K. Nayak,A. Nianine,V. Nikitine,S. Nikolaev,Peter M. Nilsson,Shunji Nishimura,Petr Nomokonov,Joakim Nystrand,Agneta Oskarsson,I. Otterlund,T. Peitzmann,D. Y.-U. Peressounko,V. Petracek,S. C. Phatak,W. Pinganaud,F. Plasil,M. L. Purschke,Jan Rak,Rashmi Raniwala,Sudhir Raniwala,N. K. Rao,F. Retiere,Klaus Johannes Reygers,Gunther Roland,L. Rosselet,I. Roufanov,C. Roy,J. M. Rubio,Sanjeev Singh Sambyal,R. Santo,Susumu Sato,H. Schlagheck,Hans Rudolf Schmidt,Y. Schutz,G.S. Shabratova,T. H. Shah,I. Sibiriak,Teodor Siemiarczuk,David Olle Rickard Silvermyr,Bikash Sinha,Nikolai V Slavine,K. Söderström,G. Sood,S. P. Sorensen,P. W. Stankus,G. Stefanek,P. Steinberg,E. Stenlund,Michal Sumbera,T. Svensson,A. A. Tsvetkov,L. Tykarski,E. C. v. d. Pijll,N. v. Eijndhoven,Gerrit Jan van Nieuwenhuizen,A. A. Vinogradov,Y. P. Viyogi,A.S. Vodopianov,S. Vörös,Bolek Wyslouch,G. R. Young +127 more
TL;DR: In this paper, the effect of detector acceptance on the multiplicity fluctuations has been studied and demonstrated to follow statistical considerations, and the centrality dependence of the charged particle multiplicity fluctuation has been found to agree reasonably well with those obtained from a participant model.
Journal ArticleDOI
Search for disoriented chiral condensates in 158 AGeV Pb+Pb collisions
Madan M. Aggarwal,A. Agnihotri,Zubayer Ahammed,A.L.S. Angelis,V.G. Antonenko,V. Arefiev,V. Astakhov,V. Avdeitchikov,T. C. Awes,P.V.K.S. Baba,S. K. Badyal,A. Baldine,L. Barabach,C. Barlag,S. Bathe,B. Batiounia,T. Bernier,K. B. Bhalla,V. S. Bhatia,C. Blume,R. Bock,E.-M. Bohne,D. Bucher,A. Buijs,E.J. Buis,H. Büsching,Lars Carlén,V. Chalyshev,Sukalyan Chattopadhyay,R. Cherbatchev,Tatsuya Chujo,A. Claussen,A. C. Das,M. P. Decowski,V. Djordjadze,P. Donni,I. Doubovik,M. R. DuttaMajumdar,K. El Chenawi,S. Eliseev,K. Enosawa,P. Foka,Sergey Fokin,V. Frolov,M. S. Ganti,S. Garpman,O. P. Gavrishchuk,F. J M Geurts,T. K. Ghosh,R. Glasow,Shiv K. Gupta,B. Guskov,H. A. Gustafsson,H. H. Gutbrod,R. Higuchi,I. Hrivnacova,Mikhail Ippolitov,H. Kalechofsky,R. Kamermans,Karl-Heinz Kampert,K. Karadjev,Krzysztof Karpio,S. Kato,S. Kees,Hyun-Chul Kim,Hyun-Chul Kim,B. W. Kolb,I. Kosarev,I. Koutcheryaev,A. Kugler,P. Kulinich,V. Kumar,M. Kurata,K. Kurita,N. Kuzmin,I. Langbein,A.L. Lebedev,Y. Y. Lee,Herbert Löhner,L. Luquin,D. P. Mahapatra,Vladislav Manko,MV Manzano Martin,A. Maximov,R. Mehdiyev,G. Mgebrichvili,Yasuo Miake,D. Mikhalev,G. C. Mishra,Y. Miyamoto,D. P. Morrison,D. S. Mukhopadhyay,V. Myalkovski,H. Naef,B. K. Nandi,S. K. Nayak,T. K. Nayak,S. Neumaier,A. Nianine,V. Nikitine,Sergey Nikolaev,Shunji Nishimura,Petr Nomokonov,Joakim Nystrand,F. E. Obenshain,Agneta Oskarsson,I. Otterlund,M. Pachr,A. Parfenov,S. Pavliouk,T. Peitzmann,V. Petracek,F. Plasil,M. L. Purschke,B. Raeven,Jan Rak,Sudhir Raniwala,V. S. Ramamurthy,N. K. Rao,F. Retiere,Klaus Johannes Reygers,Gunther Roland,L. Rosselet,I. Roufanov,C. Roy,J. M. Rubio,H. Sako,Sanjeev Singh Sambyal,R. Santo,Susumu Sato,H. Schlagheck,H. R. Schmidt,G.S. Shabratova,I. G. Sibiriak,T. Siemiarczuk,Bikash Sinha,Nikolai V Slavine,K. Söderström,N. Solomey,S. P. Sorensen,Paul Stankus,G. Stefanek,P. Steinberg,Evert Anders Stenlund,D. Stüken,Michal Sumbera,T. Svensson,M. D. Trivedi,A. A. Tsvetkov,C. Twenhöfel,L. Tykarski,J. Urbahn,N. v. Eijndhoven,W.H.v. Heeringen,Gerrit Jan van Nieuwenhuizen,Alexander Vinogradov,Y. P. Viyogi,A. S. Vodopianov,S. Vörös,Marcel Vos,B. Wysluch,K. Yagi,Y. Yokota,G. R. Young +163 more
TL;DR: In this article, a simple Disoriented Chiral Condensates (DCC) model was used to measure charged and photon multiplicities in the central region of 158 AGeV Pb+Pb collisions at the CERN SPS.
Journal ArticleDOI
One-, two-, and three-particle distributions from 158A GeV/c central Pb+Pb collisions
Madan M. Aggarwal,A.L.S. Angelis,V.G. Antonenko,V. Arefiev,V. Astakhov,V. Avdeitchikov,T. C. Awes,P.V.K.S. Baba,S. K. Badyal,S. Bathe,B. Batiounia,T. Bernier,K. B. Bhalla,V. S. Bhatia,C. Blume,D. Bucher,H. Büsching,Lars Carlén,Sukalyan Chattopadhyay,M. P. Decowski,H. Delagrange,P. Donni,M. R. Dutta Majumdar,K. El Chenawi,K. Enosawa,Sergey Fokin,V. Frolov,M. S. Ganti,S. Garpman,O. P. Gavrishchuk,F. J M Geurts,T. K. Ghosh,R. Glasow,B. Guskov,H. A. Gustafsson,H. H. Gutbrod,I. Hrivnacova,Mikhail Ippolitov,H. Kalechofsky,R. Kamermans,K. Karadjev,Krzysztof Karpio,B. W. Kolb,I. Kosarev,I. Koutcheryaev,A. Kugler,P. Kulinich,M. Kurata,A.L. Lebedev,Herbert Löhner,D. P. Mahapatra,Vladislav Manko,MV Manzano Martin,G. Martínez,A. Maximov,Yasuo Miake,G. C. Mishra,Bedangadas Mohanty,M. J. Mora,D. P. Morrison,T. Mukhanova,D. S. Mukhopadhyay,H. Naef,B. K. Nandi,S. K. Nayak,T. K. Nayak,A. Nianine,V. Nikitine,Sergey Nikolaev,Peter M. Nilsson,Shunji Nishimura,Petr Nomokonov,Joakim Nystrand,Agneta Oskarsson,I. Otterlund,T. Peitzmann,D. Peressounko,V. Petracek,F. Plasil,M. L. Purschke,Jan Rak,Rashmi Raniwala,Sudhir Raniwala,N. K. Rao,Klaus Johannes Reygers,Gunther Roland,L. Rosselet,I. Roufanov,J. M. Rubio,Sanjeev Singh Sambyal,R. Santo,Susumu Sato,H. Schlagheck,Hans Rudolf Schmidt,Y. Schutz,G.S. Shabratova,T. H. Shah,I. Sibiriak,Teodor Siemiarczuk,David Olle Rickard Silvermyr,Bikash Sinha,Nikolai V Slavine,K. Söderström,G. Sood,S. P. Sorensen,P. W. Stankus,G. Stefanek,P. Steinberg,E. Stenlund,Michal Sumbera,T. Svensson,A. A. Tsvetkov,L. Tykarski,E. C. v. d. Pijll,N. v. Eijndhoven,Gerrit Jan van Nieuwenhuizen,A. A. Vinogradov,Y. P. Viyogi,A.S. Vodopianov,S. Vörös,Bolek Wyslouch,G. R. Young +121 more
TL;DR: In this paper, the Wiedemann-Heinz hydrodynamical model has been fitted to the pion spectrum, giving an estimate of the temperature and transverse flow velocity Bose-Einstein correlations between two identified pi(-) have been analyzed as a function of k(T), using two different parametrizations.