Publications (62)
Modelling the radio pulses of an ultracool dwarf
S. Yu, G. Hallinan, J. G. Doyle +5
Recently unanticipated magnetic activity in ultracool dwarfs (UCDs, spectral classes later than M7) have emerged from a number of radio observations. The highly (up to 100%) circul…
New constraints on coherent elastic neutrino-nucleus scattering by the nuGeN experiment
V. Belov, A. Bystryakov, M. Danilov +21
The nuGeN experiment searches for coherent elastic neutrino-nucleus scattering (CEvNS) at the Kalinin Nuclear Power Plant. A 1.41-kg high-purity low-threshold germanium detector su…
Measurement of the eta->pi+pi-e+e- decay branching ratio
WASA Collaboration, Chr. Bargholtz, M. Bashkanov +48
The reaction pd->3He eta at threshold was used to provide a clean source of eta mesons for decay studies with the WASA detector at CELSIUS. The branching ratio of the decay eta->pi…
MASTER OT J004207.99+405501.1/M31LRN 2015 Luminous Red Nova in M31: Discovery, Light Curve, Hydrodynamics, Evolution
V. M. Lipunov, S. Blinnikov, E. Gorbovskoy +18
We report the discovery and multicolor (VRIW) photometry of a rare explosive star MASTER OT J004207.99+405501.1 - a luminous red nova - in the Andromeda galaxy M31N2015-01a. We use…
Discovery of an unusual bright eclipsing binary with the longest known period: TYC 2505-672-1 / MASTER OT J095310.04+335352.8
V. Lipunov, E. Gorbovskoy, V. Afanasiev +16
We report on the MASTER Global Robotic Net discovery of an eclipsing binary, MASTER OT J095310.04+335352.8, previously known as unremarkable star TYC 2505-672-1, which displays ext…
Search for sterile neutrinos at the DANSS experiment
I. Alekseev, V. Belov, V. Brudanin +28
DANSS is a highly segmented 1~m plastic scintillator detector. Its 2500 one meter long scintillator strips have a Gd-loaded reflective cover. The DANSS detector is placed und…
The first gravitational-wave burst GW150914, as predicted by the scenario machine
V. M. Lipunov, V. Kornilov, E. Gorbovskoy +3
The Advanced LIGO observatory recently reported (Abbott et al., 2016a) the first direct detection of gravitational waves predicted by Einstein (1916). The detection of this event w…
Detection of the Crab Nebula with the 9.7 m Prototype Schwarzschild-Couder Telescope
C. B. Adams, R. Alfaro, G. Ambrosi +105
The Schwarzschild-Couder Telescope (SCT) is a telescope concept proposed for the Cherenkov Telescope Array. It employs a dual-mirror optical design to remove comatic aberrations ov…
Inferring possible magnetic field strength of accreting inflows in EXor-type objects from scaled laboratory experiments
K. Burdonov, R. Bonito, T. Giannini +28
Aims. EXor-type objects are protostars that display powerful UV-optical outbursts caused by intermittent and powerful events of magnetospheric accretion. These objects are not yet…
First results of the nuGeN experiment on coherent elastic neutrino-nucleus scattering
I. Alekseev, K. Balej, V. Belov +21
The nuGeN experiment is aimed to investigate neutrino properties using antineutrinos from the reactor of the Kalinin Nuclear Power Plant. The experimental setup is located at about…
Symplectic structures on moduli spaces of sheaves via the Atiyah class
A. Kuznetsov, D. Markushevich
Several situations are known when a holomorphic 2-form on a moduli space of sheaves over some base S is induced by a holomorphic 2-form on S. Moreover, the closedness of the 2-form…
On the first passage time for Brownian motion subordinated by a Levy process
T. R. Hurd, A. Kuznetsov
This paper considers the class of Lévy processes that can be written as a Brownian motion time changed by an independent Lévy subordinator. Examples in this class include the var…
First Gravitational-Wave Burst GW150914: Part II. MASTER Optical Follow-Up Observations
V. M. Lipunov, V. Kornilov, E. Gorbovskoy +33
The Advanced LIGO observatory recently reported the first direct detection of gravitational waves predicted by Einstein (1916). We report on the first optical observations of the G…
Optical Observations Reveal Strong Evidence for High Energy Neutrino Progenitor
V. M. Lipunov, V. G. Kornilov, K. K. Zhirkov +32
We present the earliest astronomical observation of a high energy neutrino error box in which its variability was discovered after high-energy neutrinos detection. The one robotic…
Production of and mesons in argon-nucleus interactions at 3.2 AGeV
S. Afanasiev, G. Agakishiev, E. Aleksandrov +167
First physics results of the BM@N experiment at the Nuclotron/NICA complex are presented on Ï+ and K+ meson production in interactions of an argon beam with fixed targets of C, Al…
Electron beam induced radio emission from ultracool dwarfs
S. Yu, J. G. Doyle, A. Kuznetsov +4
We present the numerical simulations for an electron-beam-driven and loss-cone-driven electron-cyclotron maser (ECM) with different plasma parameters and different magnetic field s…
On the limited amplitude resolution of multipixel Geiger-mode APDs
A. Stoykov, Y. Musienko, A. Kuznetsov +2
The limited number of active pixels in a Geiger-mode Avalanche Photodiode (G-APD) results not only in a non-linearity but also in an additional fluctuation of its response. Both th…
Results of the follow-up of ANTARES neutrino alerts
A. Albert, S. Alves, M. André +188
High-energy neutrinos could be produced in the interaction of charged cosmic rays with matter or radiation surrounding astrophysical sources. To look for transient sources associat…
The Bayesian Effects in Measurement of the Asymmetry of Poisson Flows
S. I. Bityukov, N. V. Krasnikov, A. Kuznetsov +1
As it follows from the interrelation of Gamma and Poisson distributions the observed value of asymmetry for Poisson flows of events has the bias. The Monte Carlo experiment confirm…
Evidence for a 'Narrow' Roper Resonance - the Breathing Mode of the Nucleon
H. Clement, T. Skorodko, M. Bashkanov +43
All the time since its discovery the N(1440) baryon state, commonly known as Roper resonance, has been a state with many question marks - despite of its 4-star ranking in the p…
Three-stage Collapse of the Long Gamma-Ray Burst from GRB 160625B Prompt Multiwavelength Observations
V. M. Lipunov, V. A. Sadovnichy, M. I. Panasyuk +37
This article presents the early results of synchronous multiwavelength observations of one of the brightest gamma-ray bursts (GRBs) GRB 160625B with the detailed continuous fast op…
First performance studies of a prototype for the CASTOR forward calorimeter at the CMS experiment
X. Aslanoglou, A. Cyz, N. Davis +6
We present results on the performance of the first prototype of the CASTOR quartz-tungsten sampling calorimeter, to be installed in the very forward region of the CMS experiment at…
Inhomogeneous superconductivity in LuxZr1-xB12 dodecaborides with dynamic charge stripes
A. Azarevich, A. Bogach, V. Glushkov +13
We have studied the normal and superconductive state characteristics (resistivity, Hall coefficient, heat capacity and magnetization) of model strongly correlated electronic system…
The pp -> pp pi pi pi reaction channels in the threshold region
WASA Collaboration, C. Pauly, M. Jacewicz +42
The cross section for prompt neutral and charged three pion production in pp interactions was measured at excess energies in the range 160 - 217 MeV. That comprises the first measu…
New Cataclysmic Variable 1RXS J015017.0+375614 in Andromeda
A. Lazareva, N. Voroshilov, D. Denisenko +3
We report the discovery of a new cataclysmic variable in MASTER database which is identical to the faint ROSAT X-ray source 1RXS J015017.0+375614. The object was observed in outbur…
A Wiener--Hopf Monte Carlo simulation technique for Lévy processes
A. Kuznetsov, A. E. Kyprianou, J. C. Pardo +1
We develop a completely new and straightforward method for simulating the joint law of the position and running maximum at a fixed time of a general Lévy process with a view to ap…
The Ulysses Supplement to the GRANAT/WATCH Catalog of Cosmic Gamma-Ray Bursts
K. Hurley, N. Lund, S. Brandt +7
We present 3rd interplanetary network (IPN) localization data for 56 gamma-ray bursts in the GRANAT/ WATCH catalog which occurred between 1990 November and 1994 September. These lo…
MASTER optical detection of the first LIGO/Virgo neutron stars merging GW170817
V. M. Lipunov, E. Gorbovskoy, V. G. Kornilov +30
Following the reported discovery of the gravitational-wave pulse GW170817/ G298048 by three LIGO/Virgo antennae (Abbott et al., 2017a), the MASTER Global Robotic Net telescopes obt…
Optimized scintillation strip design for the DANSS upgrade
DANSS Collaboration, I. Alekseev, V. Belov +32
DANSS is a one cubic meter plastic scintillator detector with a primary goal of the sterile neutrino searches at a commercial nuclear reactor. Due to its highly advantageous locati…
Performance Studies of Prototype II for the CASTOR forward Calorimeter at the CMS Experiment
X. Aslanoglou, N. Bakirci, S. Cerci +11
We present results of the performance of the second prototype of the CASTOR quartz-tungsten sampling calorimeter, to be installed in the very forward region of the CMS experiment a…
Application of the Duperier method to the analysis of the cosmic muon flux dependence on the meteorological parameters, based on the DANSS detector data
I. Alekseev, V. Belov, M. Danilov +23
The detector DANSS is located under n industrial nuclear reactor at Kalininskaya Nuclear Power Plant. This location provides ~ 50 m.w.e. reduction of the cosmic muon flux in the ve…
Possibility to deduce the emission time sequence of neutrons and protons from the neutron-proton correlation function?
R. Ghetti, J. Helgesson, N. Colonna +26
Experimental information has been derived from the neutron-proton correlation function in order to deduce the time sequence of neutrons and protons emitted at 45 degrees in the E/A…
Lattice instability and enhancement of superconductivity in YB
N. Sluchanko, V. Glushkov, S. Demishev +11
The superconducting and normal state characteristics of yttrium hexaboride (YB) have been investigated for the single crystals with a transition temperatures ranging betw…
DANSS: Detector of the reactor AntiNeutrino based on Solid Scintillator
I. Alekseev, V. Belov, V. Brudanin +28
The DANSS project is aimed at creating a relatively compact neutrino spectrometer which does not contain any flammable or other dangerous liquids and may therefore be located very…
Observation of the temperature and barometric effects on the cosmic muon flux by the DANSS detector
DANSS Collaboration, I. Alekseev, V. Belov +26
The DANSS detector is located directly below a commercial reactor core at the Kalinin Nuclear Power Plant. Such a position provides an overburden about 50 m.w.e. in vertical direct…
Unperturbed inverse kinematics nucleon knockout measurements with a 48 GeV/c carbon beam
M. Patsyuk, J. Kahlbow, G. Laskaris +166
From superconductors to atomic nuclei, strongly-interacting many-body systems are ubiquitous in nature. Measuring the microscopic structure of such systems is a formidable challeng…
Hybrid Superscattering Driven by Toroidal Dipole
D. Kislov, D. Borovkov, L. Huang +13
The dynamic toroidal dipole is a unique radiation source beyond standard multipoles. Since its first demonstration 15 years ago, it has attracted growing theoretical and experiment…
Orphan optical flare as SOSS emission afterglow, localization in time
V. Lipunov, V. Kornilov, K. Zhirkov +24
We report on MASTER optical observations of an afterglow-like optical and X-ray transient AT2021lfa/ZTF21aayokph. We detected the initial steady brightening of the transient at 7Ï…
Volume-limited radio survey of ultracool dwarfs
A. Antonova, G. Hallinan, J. G. Doyle +5
We conducted a volume-limited survey at 4.9 GHz of 32 nearby ultracool dwarfs with spectral types covering the range M7 -- T8. A statistical analysis was performed on the combined…
Supplement: Localization and broadband follow-up of the gravitational-wave transient GW150914
B. P. Abbott, R. Abbott, T. D. Abbott +1538
This Supplement provides supporting material for arXiv:1602.08492 . We briefly summarize past electromagnetic (EM) follow-up efforts as well as the organization and policy of the c…
CTA Contributions to the 34th International Cosmic Ray Conference (ICRC2015)
The CTA Consortium, :, A. Abchiche +1305
List of contributions from the CTA Consortium presented at the 34th International Cosmic Ray Conference, 30 July - 6 August 2015, The Hague, The Netherlands.
Production of Î hyperons in 4.0A GeV and 4.5A GeV carbon-nucleus interactions at the Nuclotron
S. Afanasiev, G. Agakishiev, A. Aleksandrov +207
The BM@N experiment (Baryonic Matter at the Nuclotron) is the first fixed-target experiment at the JINR NICA accelerator complex. In this work, data on the interactions of a carbon…
Refined blowups
D. Kaledin, A. Kuznetsov
Categorical resolution of singularities has been constructed in arXiv:1212.6170. It proceeds by alternating two steps of seemingly different nature. We show how to use the formalis…
Prompt, early, and afterglow optical observations of five gamma-ray bursts (GRBs 100901A, 100902A, 100905A, 100906A, and 101020A)
E. S. Gorbovskoy, G. V. Lipunova, V. M. Lipunov +35
We present results of the prompt, early, and afterglow optical observations of five gamma-ray bursts, GRBs 100901A, 100902A, 100905A, 100906A, and 101020A, made with the Mobile Ast…
The WASA Detector Facility at CELSIUS
Chr. Bargholtz, M. Bashkanov, M. BerÅowski +81
The WASA 4pi multidetector system, aimed at investigating light meson production in light ion collisions and eta meson rare decays at the CELSIUS storage ring in Uppsala is present…
Measurement of eta meson decays into lepton-antilepton pairs
WASA Collaboration, M. BerÅowski, Chr. Bargholtz +50
A search for rare lepton decays of the eta meson was performed using the WASA detector at CELSIUS. Two candidates for double Dalitz decay eta->e+e-e+e- events are reported with a b…
Two-Pion Production in Nucleon-Nucleon Collisions and the ABC-Effect - Approaching a Puzzleby exclusive and Kinematically complete Measurements
T. Skorodko, M. Bashkanov, C. Bargholtz +50
The ABC effect - a puzzling low-mass enhancement in the invariant mass spectrum - is known from inclusive measurements of two-pion production in nuclear collisions, where it…
Distributional properties of exponential functionals of Levy processes
A. Kuznetsov, J. C. Pardo, M. Savov
We study the distribution of the exponential functional $I(ξ,η)=\int_0^{\infty} \exp(ξ_{t-}) \d η_t$, where and are independent Lévy processes. In the general settin…
MASTER optical polarization variability detection in the Microquasar V404 Cyg/GS2023+33
Vladimir M. Lipunov, E. Gorbovskoy, V. Kornilov +23
On 2015 June 15 the Swift space observatory discovered that the Galactic black hole candidate V404 Cyg was undergoing another active X-ray phase, after 25 years of inactivity (Bart…
Magnetospherically driven optical and radio aurorae at the end of the stellar main sequence
G. Hallinan, S. P. Littlefair, G. Cotter +12
Aurorae are detected from all the magnetized planets in our Solar System, including Earth. They are powered by magnetospheric current systems that lead to the precipitation of ener…
The BM@N spectrometer at the NICA accelerator complex
S. Afanasiev, G. Agakishiev, E. Aleksandrov +208
BM@N (Baryonic Matter at Nuclotron) is the first experiment operating and taking data at the Nuclotron/NICA ion-accelerating complex.The aim of the BM@N experiment is to study inte…
Exclusive Measurements of : the Effect Revisited
M. Bashkanov, D. Bogoslawsky, H. Calén +40
Exclusive measurements of the reactions and have been carried out at GeV at the CELSIUS storage ring using the WASA det…
Production of protons, deuterons and tritons in argon-nucleus interactions at 3.2 AGeV
S. Afanasiev, G. Agakishiev, A. Aleksandrov +200
Results of the BM@N experiment at the Nuclotron/NICA complex on the production of protons, deuterons and tritons in interactions of an argon beam of 3.2 AGeV with fixed targets of…
CTA contributions to the 33rd International Cosmic Ray Conference (ICRC2013)
The CTA Consortium, :, O. Abril +1102
Compilation of CTA contributions to the proceedings of the 33rd International Cosmic Ray Conference (ICRC2013), which took place in 2-9 July, 2013, in Rio de Janeiro, Brazil
Direct determination of the U to Pu inverse beta decay yield ratio in the power reactor neutrino experiments
I. Alekseev, V. Belov, A. Bystryakov +30
The yields of the inverse beta decay events produced by antineutrinos from a certain nuclear reactor fuel component are used by many experiments to check various model predictions.…
Long term remote reactor power and fuel composition monitoring using antineutrinos
I. Alekseev, V. Belov, A. Bystryakov +31
Electron antineutrinos are emitted in the decay chains of the fission products inside a reactor core and could be used for remote monitoring of nuclear reactors. The DANSS detector…
Localization and broadband follow-up of the gravitational-wave transient GW150914
B. P. Abbott, R. Abbott, T. D. Abbott +1538
A gravitational-wave (GW) transient was identified in data recorded by the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) detectors on 2015 September 14. The e…
A new identity for the sum of products of generalized basic hypergeometric functions
S. I. Kalmykov, D. Karp, A. Kuznetsov
We prove a duality relation for generalized basic hypergeometric functions. It forms a -extension of a recent result of the second and the third named authors and generalizes bo…
Study of polysterene based scintillator ageing in the DANSS experiment
DANSS Collaboration, I. Alekseev, V. Belov +30
DANSS is a spectrometer of reactor antineutrino based on plastic scintillator. The sensitive volume of the detector is made of 2500 polystyrene based scintillator plates with wavel…
Abel-Jacobi maps for hypersurfaces and non commutative Calabi-Yau's
A. Kuznetsov, L. Manivel, D. Markushevich
It is well known that the Fano scheme of lines on a cubic 4-fold is a symplectic variety. We generalize this fact by constructing a closed p-form with p=2n-4 on the Fano scheme of…
Measurement of the Slope Parameter for the eta->3pi0 Decay in the pp->pp eta Reaction
M. Bashkanov, D. Bogoslawsky, H. Calén +41
The CELSIUS/WASA setup is used to measure the 3pi0 decay of eta mesons produced in pp interactions with beam kinetic energies of 1.36 and 1.45 GeV. The efficiency-corrected Dalitz…
High-redshift GRB 140304A at z = 5.282 with flaring activity: A multi-wavelength study
Shashi. B. Pandey, Amit. K. Ror, A. J. Castro-Tirado +48
Context. This article presents a detailed multi-wavelength analysis of GRB 140304A at z = 5.282, having uncommon late-time flaring features. The aim is to study GRB 140304A and oth…