Author

Achasov, Nikolay Nikolaevich

INSPIRE profile1018996 ORCID0000-0001-9115-5080

97 papers·1,805 citations in this corpus

	Paper	Category
Nov 4, 2024#52411.00377	Estimate of the $S$ -wave $D^{*} K$ scattering length in the isospin-0 channel from Belle and LHCb data N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺	↳ hep-ph	PRD	0
May 24, 2024#92405.13332	Qualitative explanation of the data on the decays $D^{0} \to a_{0} (980)^{\pm} π^{\mp}$ and $D^{+} \to a_{0} (980)^{+ (0)} π^{0 (+)}$ in the four-quark model of the $a_{0} (980)$ resonance N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺	↳ hep-ph	PRD	5
May 16, 2024#62405.09228	Tentative estimates of $B (X (3872) \to π^{0} π^{0} χ_{c 1})$ and $B (X (3872) \to π^{+} π^{-} χ_{c 1})$ N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺	↳ hep-ph	PRD	7
Jan 11, 2024#52401.04948	Toward an estimate of the amplitude $X (3872) \to π^{0} χ_{c 1} (1 P)$ N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺	↳ hep-ph	PRD	10
Jul 10, 2023#32307.03472	Estimates of absolute branching fractions for the $f_{0} (1710)$ decays and radiative transitions $ψ (2 S) \to γ f_{0} (1710)$ and $Υ (1 S) \to γ f_{0} (1710)$ N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	JETP Lett.	1
Jun 8, 2023#62306.04478	Coupled-channel influence on the $a_{0} (1700/1800)$ line shape N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺	↳ hep-ph	PRD	9
Nov 11, 2022#72211.05526	Phenomenological description of the $π^{-} π^{+}$ $S$ -waves in $D^{+} \to π^{-} π^{+} π^{+}$ and $D_{s}^{+} \to π^{-} π^{+} π^{+}$ decays: The problem of phases N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	3
Aug 2, 2022#212208.00793	Electroweak production of $χ_{Q 1}$ states in $e^{+} e^{-}$ collisions: A brief review N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	10
Apr 1, 2022#112203.17100	Triangle singularities in the $T_{cc}^{+} \to D^{*+} D^{0} \to π^{+} D^{0} D^{0}$ decay width N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	20
Oct 12, 2021#182110.05209	$η (1295) \to 3 π$ decays N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	2
Jun 22, 2021#112106.10670	Semileptonic decays $D \to η π e^{+} ν_{e}$ in the $a_{0} (980)$ region N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	13
Feb 9, 2021#132102.03738	Electronic width of the $ψ (3770)$ resonance interfering with the background N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	5
Sep 10, 2020#92009.04191	Evidence of the four-quark nature of $f_{0} (980)$ and $f_{0} (500)$ N.N. Achasov🇷🇺 · J.V. Bennett🇺🇸 · A.V. Kiselev🇷🇺 · E.A. Kozyrev🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	34
May 14, 2020#82005.06455	Semileptonic decays $D \to π^{+} π^{-} e^{+} ν_{e}$ and $D_{s} \to π^{+} π^{-} e^{+} ν_{e}$ as the probe of constituent quark-antiquark pairs in the light scalar mesons N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	20
Feb 5, 2020#62002.01354	Fate of Light Scalar Mesons N.N. Achasov🇷🇺	↳ hep-ph	Phys.Part.Nucl.	8
May 29, 2019#101905.11729	Strong isospin symmetry breaking in light scalar meson production N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	Phys.Usp.	14
Apr 5, 2019#31904.02352	Decay $X (3872) \to π^{0} π^{+} π^{-}$ and $S$ -wave $D^{0} D ˉ^{0} \to π^{+} π^{-}$ scattering length N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	15
May 29, 2018#41805.10145	The $a_{0} (980)$ physics in semileptonic $D^{0}$ and $D^{+}$ decays N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺	↳ hep-ph	PRD	14
May 1, 2018#91804.10749	Isotopic Symmetry Breaking in the $η (1405) \to f_{0} (980) π^{0} \to π^{+} π^{-} π^{0}$ . Decay through a $K K ˉ$ Loop Diagram and the Role of Anomalous Landau Thresholds N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	JETP Lett.	15
Jan 30, 2018#101801.09370	Proposal to look for the anomalous isotopic symmetry breaking in central diffractive production of the $f_{1} (1285)$ and $a_{0}^{0} (980)$ resonances at the LHC N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	5
Nov 27, 2017#131711.08777	Light scalar mesons and two-kaon correlation functions N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺	↳ hep-ph	PRD	19
Sep 8, 2017#51709.02068	Observation of the isospin breaking decay $Υ (10860) \to Υ (1 S) f_{0} (980) \to Υ (1 S) η π^{0}$ with the Belle II detector N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	7
May 25, 2017#41705.08689	Manifestations of the $a_{0}^{0} (980) - f_{0} (980)$ mixing in $D^{0} \to K_{S}^{0} π^{+} π^{-}$ and $D^{0} \to K_{S}^{0} η π^{0}$ decays N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	12
Apr 7, 2017#51704.01763	Interference phenomena in the decay $D_{s}^{+} \to η π^{0} π^{+}$ induced by the $a_{0}^{0} (980) - f_{0} (980)$ mixing N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	PRD	21
Jan 10, 2017#131701.02122	Strong isospin breaking at production of light scalars N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺	↳ hep-ph	Nucl.Part.Phys.Proc.	9

Estimate of the $S$ -wave $D^{*} K$ scattering length in the isospin-0 channel from Belle and LHCb data
N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺
Nov 4, 2024#5↳ hep-phPRD0 citations
Qualitative explanation of the data on the decays $D^{0} \to a_{0} (980)^{\pm} π^{\mp}$ and $D^{+} \to a_{0} (980)^{+ (0)} π^{0 (+)}$ in the four-quark model of the $a_{0} (980)$ resonance
N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺
May 24, 2024#9↳ hep-phPRD5 citations
Tentative estimates of $B (X (3872) \to π^{0} π^{0} χ_{c 1})$ and $B (X (3872) \to π^{+} π^{-} χ_{c 1})$
N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺
May 16, 2024#6↳ hep-phPRD7 citations
Toward an estimate of the amplitude $X (3872) \to π^{0} χ_{c 1} (1 P)$
N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺
Jan 11, 2024#5↳ hep-phPRD10 citations
Estimates of absolute branching fractions for the $f_{0} (1710)$ decays and radiative transitions $ψ (2 S) \to γ f_{0} (1710)$ and $Υ (1 S) \to γ f_{0} (1710)$
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Jul 10, 2023#3↳ hep-phJETP Lett.1 citation
Coupled-channel influence on the $a_{0} (1700/1800)$ line shape
N. N. Achasov🇷🇺 · G. N. Shestakov🇷🇺
Jun 8, 2023#6↳ hep-phPRD9 citations
Phenomenological description of the $π^{-} π^{+}$ $S$ -waves in $D^{+} \to π^{-} π^{+} π^{+}$ and $D_{s}^{+} \to π^{-} π^{+} π^{+}$ decays: The problem of phases
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Nov 11, 2022#7↳ hep-phPRD3 citations
Electroweak production of $χ_{Q 1}$ states in $e^{+} e^{-}$ collisions: A brief review
N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺 · G.N. Shestakov🇷🇺
Aug 2, 2022#21↳ hep-phPRD10 citations
Triangle singularities in the $T_{cc}^{+} \to D^{*+} D^{0} \to π^{+} D^{0} D^{0}$ decay width
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Apr 1, 2022#11↳ hep-phPRD20 citations
$η (1295) \to 3 π$ decays
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Oct 12, 2021#18↳ hep-phPRD2 citations
Semileptonic decays $D \to η π e^{+} ν_{e}$ in the $a_{0} (980)$ region
N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺 · G.N. Shestakov🇷🇺
Jun 22, 2021#11↳ hep-phPRD13 citations
Electronic width of the $ψ (3770)$ resonance interfering with the background
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Feb 9, 2021#13↳ hep-phPRD5 citations
Evidence of the four-quark nature of $f_{0} (980)$ and $f_{0} (500)$
N.N. Achasov🇷🇺 · J.V. Bennett🇺🇸 · A.V. Kiselev🇷🇺 · E.A. Kozyrev🇷🇺 · G.N. Shestakov🇷🇺
Sep 10, 2020#9↳ hep-phPRD34 citations
Semileptonic decays $D \to π^{+} π^{-} e^{+} ν_{e}$ and $D_{s} \to π^{+} π^{-} e^{+} ν_{e}$ as the probe of constituent quark-antiquark pairs in the light scalar mesons
N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺 · G.N. Shestakov🇷🇺
May 14, 2020#8↳ hep-phPRD20 citations
Fate of Light Scalar Mesons
N.N. Achasov🇷🇺
Feb 5, 2020#6↳ hep-phPhys.Part.Nucl.8 citations
Strong isospin symmetry breaking in light scalar meson production
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
May 29, 2019#10↳ hep-phPhys.Usp.14 citations
Decay $X (3872) \to π^{0} π^{+} π^{-}$ and $S$ -wave $D^{0} D ˉ^{0} \to π^{+} π^{-}$ scattering length
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Apr 5, 2019#3↳ hep-phPRD15 citations
The $a_{0} (980)$ physics in semileptonic $D^{0}$ and $D^{+}$ decays
N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺
May 29, 2018#4↳ hep-phPRD14 citations
Isotopic Symmetry Breaking in the $η (1405) \to f_{0} (980) π^{0} \to π^{+} π^{-} π^{0}$ . Decay through a $K K ˉ$ Loop Diagram and the Role of Anomalous Landau Thresholds
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
May 1, 2018#9↳ hep-phJETP Lett.15 citations
Proposal to look for the anomalous isotopic symmetry breaking in central diffractive production of the $f_{1} (1285)$ and $a_{0}^{0} (980)$ resonances at the LHC
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Jan 30, 2018#10↳ hep-phPRD5 citations
Light scalar mesons and two-kaon correlation functions
N.N. Achasov🇷🇺 · A.V. Kiselev🇷🇺
Nov 27, 2017#13↳ hep-phPRD19 citations
Observation of the isospin breaking decay $Υ (10860) \to Υ (1 S) f_{0} (980) \to Υ (1 S) η π^{0}$ with the Belle II detector
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Sep 8, 2017#5↳ hep-phPRD7 citations
Manifestations of the $a_{0}^{0} (980) - f_{0} (980)$ mixing in $D^{0} \to K_{S}^{0} π^{+} π^{-}$ and $D^{0} \to K_{S}^{0} η π^{0}$ decays
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
May 25, 2017#4↳ hep-phPRD12 citations
Interference phenomena in the decay $D_{s}^{+} \to η π^{0} π^{+}$ induced by the $a_{0}^{0} (980) - f_{0} (980)$ mixing
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Apr 7, 2017#5↳ hep-phPRD21 citations
Strong isospin breaking at production of light scalars
N.N. Achasov🇷🇺 · G.N. Shestakov🇷🇺
Jan 10, 2017#13↳ hep-phNucl.Part.Phys.Proc.9 citations

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