Ткачев Игорь Иванович
Заведующий отделом, доктор физ-мат наук, академик РАН

Публикации
2018
Constraints on the diffuse photon flux with energies above 10181018 eV using the surface detector of the Telescope Array experiment
Telescope Array Collaboration (R.U. Abbasi (Utah U.) et al.) (130 авторов). Nov 9, 2018. 7 pp.
INR-TH-2018-026
e-Print: arXiv:1811.03920
ПРНД = 3*0.06 = 0.18
Testing a Reported Correlation between Arrival Directions of Ultra-high-energy Cosmic Rays and a Flux Pattern from nearby Starburst Galaxies using Telescope Array Data
Telescope Array Collaboration (R.U. Abbasi (Utah U.) et al.) (130 авторов). Sep 5, 2018. 5 pp.
Published in Astrophys.J. 867 (2018) no.2, L27
DOI: 10.3847/2041-8213/aaebf9
e-Print: arXiv:1809.01573
ПРНД = 5.561*30*0.06 = 10.01
Mass composition of ultra-high-energy cosmic rays with the Telescope Array Surface Detector Data
Telescope Array Collaboration (R.U. Abbasi (Utah U.) et al.) (130 авторов). Aug 10, 2018. 10 pp.
e-Print: arXiv:1808.03680
ПРНД = 3*0.06 = 0.18
The KATRIN Superconducting Magnets: Overview and First Performance Results
KATRIN Collaboration (M. Arenz (Bonn U., HISKP) et al.). Jun 21, 2018. 48 pp.
Published in JINST 13 (2018) no.08, T08005
DOI: 10.1088/1748-0221/13/08/T08005
e-Print: arXiv:1806.08312
ПРНД = 1.258*30*0.06 = 2.26
Muon-induced background in the KATRIN main spectrometer
KATRIN Collaboration (K. Altenmuller et al.). May 30, 2018. 27 pp.
e-Print: arXiv:1805.12173
ПРНД = 3*0.06 = 0.18
Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment
KATRIN Collaboration (M. Arenz (Bonn U., HISKP) et al.). May 3, 2018. 16 pp.
Published in Eur.Phys.J. C78 (2018) no.9, 778
DOI: 10.1140/epjc/s10052-018-6244-8
e-Print: arXiv:1805.01163
ПРНД = 5.172*30*0.06 = 9.31

Search for streaming dark matter axions or other exotica
A. Gardikiotis (Patras U.) et al.. 2018. 4 pp.
DESY-PROC-2017-02
DOI: 10.3204/DESY-PROC-2017-02/gardikiotis_antonios
Conference: C17-05-15.4, p.19-22 Proceedings
ПРНД = 8*0.1 = 0.8
Gravitational Bose-Einstein condensation in the kinetic regime
D.G. Levkov, A.G. Panin (Moscow, INR & Moscow, MIPT), I.I. Tkachev (Novosibirsk State U.). Apr 16, 2018. 5 pp.
Published in Phys.Rev.Lett. 121 (2018) no.15, 151301
INR-TH-2018-005
DOI: 10.1103/PhysRevLett.121.151301
e-Print: arXiv:1804.05857
ПРНД = 8.839*30/3 = 88.39
Study of muons from ultrahigh energy cosmic ray air showers measured with the Telescope Array experiment
Telescope Array Collaboration (R.U. Abbasi (Utah U.) et al.) (130). Apr 11, 2018. 10 pp.
Published in Phys.Rev. D98 (2018) no.2, 022002
DOI: 10.1103/PhysRevD.98.022002
e-Print: arXiv:1804.03877
ПРНД = 4.394*30*0.06 = 7.91
Search for streaming dark matter axions or other exotica
A. Gardikiotis (University of Patras, Patras, Greece & Patras U.) et al.. Mar 26, 2018. 4 pp.
e-Print: arXiv:1803.08588
ПРНД = 3*0.1 = 0.3
The Cosmic-Ray Energy Spectrum between 2 PeV and 2 EeV Observed with the TALE detector in monocular mode
Telescope Array Collaboration (R.U. Abbasi (Utah U.) et al.) (130). Mar 3, 2018. 18 pp.
Published in Astrophys.J. 865 (2018) no.1, 74
DOI: 10.3847/1538-4357/aada05
e-Print: arXiv:1803.01288
ПРНД = 5.561*30*0.06 = 10.01
Evidence of Intermediate-Scale Energy Spectrum Anisotropy of Cosmic Rays E??1019.219.2 eV with the Telescope Array Surface Detector
Telescope Array Collaboration (R.U. Abbasi (Utah U.) et al.) (130). Feb 18, 2018. 6 pp.
Published in Astrophys.J. 862 (2018) no.2, 91
DOI: 10.3847/1538-4357/aac9c8
e-Print: arXiv:1802.05003
ПРНД = 5.561*30*0.06 = 10.01
Calibration of high voltages at the ppm level by the difference of 83m83mKr conversion electron lines at the KATRIN experiment
M. Arenz (Bonn U., HISKP) et al.. Feb 14, 2018. 7 pp.
Published in Eur.Phys.J. C78 (2018) no.5, 368
DOI: 10.1140/epjc/s10052-018-5832-y
e-Print: arXiv:1802.05227
ПРНД = 5.172*30*0.06 = 9.31
First transmission of electrons and ions through the KATRIN beamline
KATRIN Collaboration (M. Arenz (Bonn U., HISKP) et al.). Feb 12, 2018.
Published in JINST 13 (2018) no.04, P04020
DOI: 10.1088/1748-0221/13/04/P04020
e-Print: arXiv:1802.04167
ПРНД = 1.258*30*0.06 = 2.26
Depth of Ultra High Energy Cosmic Ray Induced Air Shower Maxima Measured by the Telescope Array Black Rock and Long Ridge FADC Fluorescence Detectors and Surface Array in Hybrid Mode
Telescope Array Collaboration (R.U. Abbasi (Utah U.) et al.) (130). Jan 29, 2018. 27 pp.
Published in Astrophys.J. 858 (2018) no.2, 76
DOI: 10.3847/1538-4357/aabad7
e-Print: arXiv:1801.09784
ПРНД = 5.561*30*0.06 = 10.01
Arrival Directions of Cosmic Rays at Ultra-High Energies
Armando di Matteo (Brussels U.), Olivier Deligny (Orsay, IPN), Kazumasa Kawata (Tokyo U., ICRR), Rogerio Menezes de Almeida (Niteroi, Fluminense U.), Miguel Mostafa (Penn State U.), Edivaldo Moura Santos (Sao Paulo U.), Hiroyuki Sagawa (Tokyo U., ICRR), Peter Tinyakov (Brussels U.), Igor Tkachev (Moscow, INR), Nonaka Toshiyuki (Tokyo U., ICRR) (10). 2018. 7 pp.
Published in JPS Conf.Proc. 19 (2018) 011020
DOI: 10.7566/JPSCP.19.011020
Conference: C16-10-11.1 Proceedings
ПРНД = 8*0.1 = 0.8
Evidence for Declination Dependence of Ultrahigh Energy Cosmic Ray Spectrum in the Northern Hemisphere
R.U. Abbasi (Utah U.) et al (130).. Jan 23, 2018.
e-Print: arXiv:1801.07820
ПРНД = 3*0.06 = 0.18
Cosmology and Dark Matter
Igor Tkachev (Moscow, INR). Feb 7, 2018. 36 pp.
DOI: 10.23730/CYRSP-2017-005.259
Conference: C16-06-15, p.259-294 Proceedings
e-Print: arXiv:1802.02414
ПРНД = 8

2017
A dark matter component decaying after recombination: sensitivity to BAO and RSD probes
A. Chudaykin, D. Gorbunov, I. Tkachev. Nov 17, 2017.
Published in Phys.Rev. D97 (2018) no.8, 083508
DOI: 10.1103/PhysRevD.97.083508
INR-TH-2017-028
e-Print: arXiv:1711.06738 [astro-ph.CO] | PDF
ПРНД = 4.394*30/3 = 43.94
Destruction of axion miniclusters in the Galaxy
V.I. Dokuchaev (Moscow, INR & Moscow Phys. Eng. Inst.), Yu.N. Eroshenko (Moscow, INR), I.I. Tkachev (Moscow, INR & Novosibirsk State U.). Oct 26, 2017. 9 pp.
Published in J.Exp.Theor.Phys. 125 (2017) no.3, 434-442, Zh.Eksp.Teor.Fiz. 152 (2017) no.3, 511-520
DOI: 10.1134/S1063776117080039
e-Print: arXiv:1710.09586 [astro-ph.GA]
ПРНД = 1.255*60/3. = 25.1

Telescope Array anisotropy summary
Telescope Array Collaboration (Sergey Troitsky (Moscow, INR) et al.). 2018. 8 pp.
Published in PoS ICRC2017 (2018) 548
DOI: 10.22323/1.301.0548
Conference: C17-07-12 Proceedings
ПРНД = 8*0.06 = 0.48
Search for Anisotropy in the Ultra High Energy Cosmic Ray Spectrum using the Telescope Array Surface Detector
Telescope Array Collaboration (R.U. Abbasi (Utah U.) et al.). Jul 16, 2017. 17 pp.
Published in Submitted to: Phys.Rev.Lett.
e-Print: arXiv:1707.04967 [astro-ph.HE] | PDF 130 авторов
ПРНД = 3*0.06 = 0.18

Towards a medium-scale axion helioscope and haloscope
TASTE Collaboration (V. Anastassopoulos (Patras U.) et al.). Jun 28, 2017. 36 pp.
Published in JINST 12 (2017) no.11, P11019
DOI: 10.1088/1748-0221/12/11/P11019 34 автора
e-Print: arXiv:1706.09378 [hep-ph] | PDF
ПРНД = 1.258*30*0.1 = 3.77

Gamma-ray Showers Observed at Ground Level in Coincidence With Downward Lightning Leaders
R.U. Abbasi (Utah U.) et al. (130). May 17, 2017. 17 pp.
Published in J.Geophys.Res.Atmos. 123 (2018) 6864
DOI: 10.1029/2017JD027931
e-Print: arXiv:1705.06258 [physics.ao-ph] | PDF 130 авторов
ПРНД = 3.38*30*0.06 = 6.08

First measeurements in search for keV-sterile neutrino in tritium beta-decay by Troitsk nu-mass experiment
J.N. Abdurashitov (Moscow, INR) et al.. Mar 31, 2017. 5 pp.
Published in Pisma Zh.Eksp.Teor.Fiz. 105 (2017) no.12, 723-724, JETP Lett. 105 (2017) no.12, 753-757
DOI: 10.1134/S0021364017120013
e-Print: arXiv:1703.10779 [hep-ex] | PDF
ПРНД= 1.363*60*0.1 = 8.18

A dark matter component decaying after recombination: lensing constraints with Planck data
Anton Chudaykin, Dmitry Gorbunov (Moscow, INR & Moscow, MIPT), Igor Tkachev (Moscow, INR & Novosibirsk State U.). 2016. 8 pp.
Published in EPJ Web Conf. 125 (2016) 03004
DOI: 10.1051/epjconf/201612503004
Conference: C16-05-29.1 Proceedings
ПРНД = 8/3 = 2.67

Relativistic axions from collapsing Bose stars
D.G. Levkov (Moscow, INR), A.G. Panin (Moscow, INR & Moscow, MIPT), I.I. Tkachev (Moscow, INR). Sep 12, 2016. 5 pp.
Published in Phys.Rev.Lett. 118 (2017) no.1, 011301
INR-TH-2016-034
DOI: 10.1103/PhysRevLett.118.011301
e-Print: arXiv:1609.03611 [astro-ph.CO] | PDF
ПРНД = 8.839*30/3 = 88.39

Search for EeV Protons of Galactic Origin
R.U. Abbasi (Utah U.) et al.. (130)Aug 22, 2016. 6 pp.
Published in Astropart.Phys. 86 (2017) 21-26
DOI: 10.1016/j.astropartphys.2016.11.001
e-Print: arXiv:1608.06306 [astro-ph.HE] | PDF
ПРНД = 3.203*30*0.06 = 5.77
First Upper Limits on the Radar Cross Section of Cosmic-Ray Induced Extensive Air Showers
R.U. Abbasi et al.. (130) Mar 16, 2016. 17 pp.
Published in Astropart.Phys. 87 (2017) 1-17
DOI: 10.1016/j.astropartphys.2016.11.006
e-Print: arXiv:1603.05217 [astro-ph.IM] | PDF
ПРНД = 3.203*30*0.06 = 5.77

A White Paper on keV Sterile Neutrino Dark Matter
M. Drewes (Munich, Tech. U.) et al.. Feb 15, 2016. 239 pp.
Published in JCAP 1701 (2017) no.01, 025
FERMILAB-PUB-16-068-T
DOI: 10.1088/1475-7516/2017/01/025
e-Print: arXiv:1602.04816 [hep-ph] | PDF
ПРНД = 5.126*30*0.06 = 9.23
ИТОГО = 369.66

Доклады
2018
И. Ткачев, 26 ноября - 1 декабря 2018, Казань, Россия, приглашенный доклад “Dark matter models. From graviton to WIMPZILLA” на 4-ой Международной зимней школе-семинаре по гравитации и космологии «Петровские чтения-2018»
https://kpfu.ru/physics/struktura/kafedry/kafedra-teorii-otnositelnosti-i-gravitacii/petrov-school-2018/lekcii
ПРНД=25

И. Ткачев, 18-22 июня 2018, Таллин, Эстония, приглашенный доклад “Bose condensation and decay of ALP dark matter”, на международной конференции “Particle, Astroparticle and Cosmology Tallinn Symposium”, PACTS 2018
https://indico.cern.ch/event/609125/timetable/#20180618.detailed
ПРНД=25

И. Ткачев, 27 мая -2 июня 2018, Валдай, Россия, устный доклад “Phenomenology of axion miniclusters”, на международной конференции “QUARKS-2018”
https://q2018.inr.ac.ru/event/1/timetable/#20180529.detailed
ПРНД=25


2017
И. Ткачев, 20 августа - 1 сентября 2017, Прага, Чехия, приглашенный курс лекций "Measuring of neutrino mass with tritium beta-decay", на VII школе Понекрово по нейтринной физике.
http://theor.jinr.ru/~neutrino17/program.html
ПРНД=25

И. Ткачев, 20 февраля - 3 марта, 2017 года, ЦЕРН, Женева, Швейцария, устный доклад “Тensions, hints, speculations. All around ALPs“ на международной конференции ”New Physics at the Intensity Frontier”.
https://indico.cern.ch/event/580599/timetable/
ПРНД=25

И. Ткачев, 5-19 мая 2017 года, Салоники, Греция, устный доклад “Axion miniclusters” на международной конференции “13th Patras Workshop on Axions, WIMPs and WISPs”.
https://indico.desy.de/indico/event/16884/timetable/#20170515.detailed
ПРНД=25

Курсы лекций в МГУ, «Общая теория относительности», 1 семестр в 2017 и 1 семестр в 2018
ПРНД = 16
Руководство аспирантами, соискателями, студентами
Редактор журнала IJMP D в 2017 и 2018 гг.
ПРНД = 20

Руководитель заявок РНФ
16-12-10494Нелинейные решения теории поля и их роль в астрофизике и космологии, продление на 2019-2020
Руководитель заявок РФФИ
19-52-50019Исследование вопросов происхождения космических лучей сверхвысоких энергий на установке Telescope Array.

17-52-50055Исследование вопросов происхождения космических лучей сверхвысоких энергий на установке Telescope Array.

ПРНД = 30
Итоговый ПРНД = 585.66