Y. Asada

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All published works
Action Title Year Authors
+ First Joint Oscillation Analysis of Super-Kamiokande Atmospheric and T2K Accelerator Neutrino Data 2025 K. Abe
S. Abe
C. Bronner
Y. Hayato
K. Hiraide
K. Hosokawa
K. Ieki
M. Ikeda
J. Kameda
Y. Kanemura
+ PDF Chat First joint oscillation analysis of Super-Kamiokande atmospheric and T2K accelerator neutrino data 2024 K. Abe
S Abe
C. Bronner
Y. Hayato
K. Hiraide
K. Hosokawa
K. Ieki
M. Ikeda
J. Kameda
Yonehiro Kanemura
+ PDF Chat First measurement of muon neutrino charged-current interactions on hydrocarbon without pions in the final state using multiple detectors with correlated energy spectra at T2K 2023 K. Abe
N. Akhlaq
R. Akutsu
H. Alarakia-Charles
A. Ali
Y. I. Alj Hakim
S. Alonso Monsalve
C. Alt
C. Andreopoulos
M. Antonova
+ PDF Chat Measurements of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>ν</mml:mi></mml:mrow><mml:mrow><mml:mi>μ</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>ν</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="false">¯</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mi>μ</… 2023 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
S. Alonso Monsalve
C. Alt
C. Andreopoulos
M. Antonova
S. Aoki
T. Arihara
+ PDF Chat Measurements of the $\nu_{\mu}$ and $\bar{\nu}_{\mu}$-induced Coherent Charged Pion Production Cross Sections on $^{12}C$ by the T2K experiment 2023 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
S. Alonso Monsalve
C. Alt
C Andreopoulos
M. Antonova
S. Aoki
T. Arihara
+ PDF Chat Measurements of neutrino oscillation parameters from the T2K experiment using $$3.6\times 10^{21}$$ protons on target 2023 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
S. Alonso Monsalve
C. Alt
C. Andreopoulos
M. Antonova
S. Aoki
T. Arihara
+ Updated T2K measurements of muon neutrino and antineutrino disappearance using 3.6 $\times$ 10$^{21}$ protons on target 2023 K. Abe
N. Akhlaq
R. Akutsu
H. Alarakia-Charles
A. Ali
Y. I. Alj Hakim
S. Alonso Monsalve
C. Alt
C. Andreopoulos
M. Antonova
+ Measurements of neutrino oscillation parameters from the T2K experiment using 2023 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
S. Alonso Monsalve
C. Alt
C. Andreopoulos
M. Antonova
S. Aoki
T. Arihara
+ PDF Chat Scintillator ageing of the T2K near detectors from 2010 to 2021 2022 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
C. Alt
C. Andreopoulos
M. Antonova
S. Aoki
T. Arihara
Y. Asada
+ PDF Chat First T2K measurement of transverse kinematic imbalance in the muon-neutrino charged-current single- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> production channel containing at least one proton 2021 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
C. Alt
C. Andreopoulos
M. Antonova
S. Aoki
T. Arihara
Y. Asada
+ PDF Chat Improved constraints on neutrino mixing from the T2K experiment with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>3.13</mml:mn><mml:mo>×</mml:mo><mml:msup><mml:mrow><mml:mn>10</mml:mn></mml:mrow><mml:mrow><mml:mn>21</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>protons on target 2021 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
C. Alt
C. Andreopoulos
M. Antonova
S. Aoki
T. Arihara
Y. Asada
+ PDF Chat Measurements of <i>ν̅</i> <i>μ</i> and <i>ν̅</i> <i>μ</i> + <i>ν</i> <i>μ</i> charged-current cross-sections without detected pions or protons on water and hydrocarbon at a mean anti-neutrino energy of 0.86 GeV 2021 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
C. Alt
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
+ PDF Chat T2K measurements of muon neutrino and antineutrino disappearance using <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>3.13</mml:mn><mml:mo>×</mml:mo><mml:msup><mml:mrow><mml:mn>10</mml:mn></mml:mrow><mml:mrow><mml:mn>21</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math> protons on target 2021 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
C. Alt
C. Andreopoulos
M. Antonova
S. Aoki
T. Arihara
Y. Asada
+ PDF Chat Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280 2020 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
C. Alt
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
+ PDF Chat Simultaneous measurement of the muon neutrino charged-current cross section on oxygen and carbon without pions in the final state at T2K 2020 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
C. Alt
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
+ PDF Chat First combined measurement of the muon neutrino and antineutrino charged-current cross section without pions in the final state at T2K 2020 K. Abe
N. Akhlaq
R. Akutsu
Asghar Ali
C. Alt
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
+ PDF Chat Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam 2020 K. Abe
R. Akutsu
A. Ali
C. Alt
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
Y. Asada
+ Constraint on the matter–antimatter symmetry-violating phase in neutrino oscillations 2020 K. Abe
R. Akutsu
Ali Ajmi
C. Alt
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
T. Arihara
+ PDF Chat Baby MIND detector first physics run 2019 Ali Ajmi
Y. Asada
P. Benoit
A. Blondel
M. Bogomilov
A. Bonnemaison
A. Bross
F. Cadoux
S. Cao
A. Cervera
+ T2K ND280 Upgrade -- Technical Design Report 2019 K. Abe
H. Aihara
Ali Ajmi
C. Andreopoulos
M. Antonova
S. Aoki
Y. Asada
Yosuke Ashida
A. Atherton
E. Atkin
+ J-PARC Neutrino Beamline Upgrade Technical Design Report 2019 K. Abe
H. Aihara
Ali Ajmi
C. Alt
C. Andreopoulos
M. Antonova
S. Aoki
Y. Asada
Y. Ashida
A. Atherton
Common Coauthors
Commonly Cited References
Action Title Year Authors # of times referenced
+ The T2K experiment 2011 K. Abe
N. Abgrall
H. Aihara
Y. Ajima
J. B. Albert
David A. Allan
P. Amaudruz
C. Andreopoulos
Bernard Andrieu
M. Anerella
17
+ PDF Chat The T2K fine-grained detectors 2012 P. Amaudruz
M. Barbi
D. Bishop
N. Braam
D. G. Brook-Roberge
S. Giffin
S. Gomi
P. Gumplinger
K. Hamano
N. C. Hastings
14
+ PDF Chat T2K neutrino flux prediction 2013 K. Abe
N. Abgrall
H. Aihara
T. Akiri
J. B. Albert
C. Andreopoulos
S. Aoki
A. Ariga
T. Ariga
S. Assylbekov
13
+ PDF Chat Inclusive charged-current neutrino-nucleus reactions 2011 J. Nieves
I. Ruiz Simó
M. J. Vicente Vacas
12
+ PDF Chat Measurements of $$\pi ^{\pm }$$ π ± , $$K^{\pm }$$ K ± , $$K^0_S$$ K S 0 , $$\varLambda $$ Λ and proton production in proton–carbon interactions at 31 GeV/c with the NA61/SHINE spectrometer at the CERN SPS 2016 N. Abgrall
A. Aduszkiewicz
Y. Ali
Evgeny Andronov
T. Antićić
N. G. Antoniou
B. Baatar
F. Bay
A. Blondel
J. Blümer
11
+ PDF Chat The T2K Side Muon Range Detector (SMRD) 2012 S. Aoki
G. Barr
M. Batkiewicz
J. Błocki
Jessica Brinson
S. J. Coleman
A. Dąbrowska
I. Dankó
M. Dziewiecki
B. Ellison
10
+ PDF Chat Measurements of the T2K neutrino beam properties using the INGRID on-axis near detector 2012 K. Abe
N. Abgrall
Y. Ajima
H. Aihara
J. B. Albert
C. Andreopoulos
Bernard Andrieu
M. Anerella
S. Aoki
O. Araoka
10
+ PDF Chat The electromagnetic calorimeter for the T2K near detector ND280 2013 David A. Allan
C. Andreopoulos
C. Angelsen
Gareth J. Barker
G. Barr
S. Bentham
I. A. Bertram
S. Boyd
Kyle Briggs
R. G. Calland
10
+ PDF Chat NUISANCE: a neutrino cross-section generator tuning and comparison framework 2017 P. Stowell
C. Wret
C. Wilkinson
L. Pickering
S. Cartwright
Y. Hayato
K. Mahn
K. S. McFarland
J. T. Sobczyk
R. Terri
9
+ PDF Chat Dynamical parton distributions revisited 1998 M. Glück
E. Reya
A. Vogt
9
+ PDF Chat The T2K ND280 off-axis pi–zero detector 2012 S. Assylbekov
G. Barr
B. E. Berger
H. Berns
Dmitriy Beznosko
A. Bodek
R. Bradford
N. J. Buchanan
H. S. Budd
Yvan Caffari
9
+ PDF Chat Measurement of neutrino and antineutrino oscillations by the T2K experiment including a new additional sample of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>ν</mml:mi><mml:mi>e</mml:mi></mml:msub></mml:math>interactions at the far detector 2017 K. Abe
J. L. Amey
C. Andreopoulos
M. Antonova
S. Aoki
A. Ariga
Yosuke Ashida
S. Ban
M. Barbi
Gareth J. Barker
9
+ PDF Chat Modeling Neutrino and Electron Scattering Cross Sections in the Few GeV Region with Effective LO PDFs 2003 A. Bodek
8
+ PDF Chat Search for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math> Violation in Neutrino and Antineutrino Oscillations by the T2K Experiment with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>2.2</mml:mn><mml:mo>×</mml:mo><mml:msup><mml:mn>10</mml:mn><mml:mn>21</mml:mn></mml:msup></mml:math> Protons on Target 2018 K. Abe
R. Akutsu
A. Ali
J. L. Amey
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
Yosuke Ashida
8
+ PDF Chat The GENIE neutrino Monte Carlo generator 2009 C. Andreopoulos
A. J. Bell
D. Bhattacharya
F. Cavanna
J. E. Y. Dobson
S. Dytman
H. Gallagher
P. Guzowski
R. Hatcher
Pauli Kehayias
8
+ PDF Chat The nucleon axial mass and the MiniBooNE quasielastic neutrino–nucleus scattering problem 2011 J. Nieves
I. Ruiz Simó
M. J. Vicente Vacas
8
+ PDF Chat Unified approach for nucleon knock-out and coherent and incoherent pion production in neutrino interactions with nuclei 2009 M. Martini
M. Ericson
G. Chanfray
J. Marteau
8
+ Measurements of $$\pi ^\pm $$ π ± differential yields from the surface of the T2K replica target for incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS 2016 N. Abgrall
A. Aduszkiewicz
M. Ajaz
Y. Ali
Evgeny Andronov
T. Antićić
N. G. Antoniou
B. Baatar
F. Bay
A. Blondel
7
+ PDF Chat First measurement of neutrino oscillation parameters using neutrinos and antineutrinos by NOvA 2019 M. A. Acero
P. Adamson
L. Aliaga
T. Alion
V. Allakhverdian
S. Altakarli
Н. Анфимов
A. Antoshkin
A. Aurisano
H.O. Back
7
+ PDF Chat Lepton mass effects in single pion production by neutrinos 2007 Ch. Berger
L.M. Sehgal
7
+ PDF Chat Measurement of production properties of positively charged kaons in proton-carbon interactions at 31 GeV/<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>c</mml:mi></mml:math> 2012 N. Abgrall
A. Aduszkiewicz
T. Anticic
N. G. Antoniou
J. Argyriades
B. Baatar
A. Blondel
J. Blümer
M Bogusz
L. Boldizsár
7
+ PDF Chat Characterization of nuclear effects in muon-neutrino scattering on hydrocarbon with a measurement of final-state kinematics and correlations in charged-current pionless interactions at T2K 2018 K. Abe
J. L. Amey
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
Y. Ashida
Y. Azuma
S. Ban
7
+ PDF Chat Measurements of cross sections and charged pion spectra in proton-carbon interactions at 31 GeV/<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>c</mml:mi></mml:math> 2011 N. Abgrall
A. Aduszkiewicz
Bernard Andrieu
T. Anticic
N. G. Antoniou
J. Argyriades
Andzhey Asryan
B. Baatar
A. Blondel
J. Blümer
7
+ PDF Chat Dynamical parton distributions revisited 1998 M. Glück
E. Reya
A. Vogt
6
+ PDF Chat Measurement of double-differential muon neutrino charged-current interactions on<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">C</mml:mi></mml:mrow><mml:mrow><mml:mn>8</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mrow><mml:mn>8</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:mrow></mml:math>without pions in the final … 2016 K. Abe
C. Andreopoulos
M. Antonova
S. Aoki
A. Ariga
S. Assylbekov
D. Autiero
M. Barbi
Gareth J. Barker
G. Barr
6
+ Constraint on the matter–antimatter symmetry-violating phase in neutrino oscillations 2020 K. Abe
R. Akutsu
Ali Ajmi
C. Alt
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
T. Arihara
6
+ PDF Chat Observation of Electron Neutrino Appearance in a Muon Neutrino Beam 2014 K. Abe
J. Adam
H. Aihara
T. Akiri
C. Andreopoulos
S. Aoki
A. Ariga
T. Ariga
S. Assylbekov
D. Autiero
6
+ PDF Chat Measurement of inclusive double-differential <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>ν</mml:mi></mml:mrow><mml:mrow><mml:mi>μ</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math> charged-current cross section with improved acceptance in the T2K off-axis near detector 2018 K. Abe
J. L. Amey
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
Yosuke Ashida
Y. Azuma
S. Ban
6
+ PDF Chat Erratum: Form factors in the quark resonance model [Phys. Rev. D<b>77</b>, 053001 (2008)] 2009 Krzysztof M. Graczyk
J. T. Sobczyk
5
+ PDF Chat Measurements of $$\pi ^\pm $$ π ± , $$K^\pm $$ K ± and proton double differential yields from the surface of the T2K replica target for incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS 2019 N. Abgrall
A. Aduszkiewicz
Evgeny Andronov
T. Antičić
B. Baatar
M. Baszczyk
S. Bhosale
A. Blondel
M. Bogomilov
A. V. Brandin
5
+ PDF Chat Measurement of quasielastic-like neutrino scattering at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mo stretchy="false">⟨</mml:mo><mml:msub><mml:mi>E</mml:mi><mml:mi>ν</mml:mi></mml:msub><mml:mo stretchy="false">⟩</mml:mo><mml:mo>∼</mml:mo><mml:mn>3.5</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi></mml:math> on a hydrocarbon target 2019 D. Ruterbories
K. Hurtado
J. Osta
F. Akbar
L. Aliaga
D. A. Andrade
M. V. Ascencio
A. Bashyal
A. Bercellie
M. Betancourt
5
+ PDF Chat Differences in quasielastic cross sections of muon and electron neutrinos 2012 Melanie Day
K. S. McFarland
5
+ PDF Chat Using world <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mo>±</mml:mo></mml:msup></mml:math> -nucleus scattering data to constrain an intranuclear cascade model 2019 E. S. Pinzon Guerra
C. Wilkinson
S. Bhadra
S. Bolognesi
J. Calcutt
P. de Perio
S. Dolan
T. Feusels
G. A. Fiorentini
Y. Hayato
5
+ PDF Chat First combined measurement of the muon neutrino and antineutrino charged-current cross section without pions in the final state at T2K 2020 K. Abe
N. Akhlaq
R. Akutsu
Asghar Ali
C. Alt
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
5
+ PDF Chat Measurement of Final-State Correlations in Neutrino Muon-Proton Mesonless Production on Hydrocarbon at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mo stretchy="false">⟨</mml:mo><mml:msub><mml:mrow><mml:mi>E</mml:mi></mml:mrow><mml:mrow><mml:mi>ν</mml:mi></mml:mrow></mml:msub><mml:mo stretchy="false">⟩</mml:mo><mml:mo>=</mml:mo><mml:mn>3</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi></mml:mrow></mml:math> 2018 X.-G. Lu
M. Betancourt
T. Walton
F. Akbar
L. Aliaga
O. Altinok
D. A. Andrade
M. V. Ascencio
L. Bellantoni
A. Bercellie
5
+ PDF Chat Evidence for Oscillation of Atmospheric Neutrinos 1998 Y. Fukuda
T. Hayakawa
E. Ichihara
K. Inoue
K. Ishihara
H. Ishino
Y. Itow
T. Kajita
J. Kameda
S. Kasuga
5
+ PDF Chat Simultaneous measurement of the muon neutrino charged-current cross section on oxygen and carbon without pions in the final state at T2K 2020 K. Abe
N. Akhlaq
R. Akutsu
A. Ali
C. Alt
C. Andreopoulos
L. Anthony
M. Antonova
S. Aoki
A. Ariga
5
+ PDF Chat Atmospheric neutrino oscillation analysis with external constraints in Super-Kamiokande I-IV 2018 K. Abe
C. Bronner
Y. Haga
Y. Hayato
M. Ikeda
K. Iyogi
J. Kameda
Y. Kato
Y. Kishimoto
Ll. Marti
5
+ PDF Chat Identification of Nuclear Effects in Neutrino-Carbon Interactions at Low Three-Momentum Transfer 2016 P. A. Rodrigues
J. Demgen
E. Miltenberger
L. Aliaga
O. Altinok
L. Bellantoni
A. Bercellie
M. Betancourt
A. Bodek
A. Bravar
4
+ T2K ND280 Upgrade -- Technical Design Report 2019 K. Abe
H. Aihara
Ali Ajmi
C. Andreopoulos
M. Antonova
S. Aoki
Y. Asada
Yosuke Ashida
A. Atherton
E. Atkin
4
+ Hyper-Kamiokande Design Report 2018 KE. Abe
H. Aihara
Andrea Aimi
R. Akutsu
C. Andreopoulos
I. M. Anghel
L. H. V. Anthony
M. Antonova
Y. Ashida
V. Aushev
4
+ PDF Chat Form factors in the quark resonance model 2008 Krzysztof M. Graczyk
J. T. Sobczyk
4
+ The Large-Sample Distribution of the Likelihood Ratio for Testing Composite Hypotheses 1938 S. S. Wilks
4
+ PDF Chat Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>6.6</mml:mn><mml:mo>×</mml:mo><mml:mn>1</mml:mn><mml:msup><mml:mn>0</mml:mn><mml:mn>20</mml:mn></mml:msup></mml:math>protons on target 2015 K. Abe
J. Adam
H. Aihara
T. Akiri
C. Andreopoulos
S. Aoki
A. Ariga
S. Assylbekov
D. Autiero
M. Barbi
4
+ PDF Chat Neutrino-nucleus quasi-elastic and 2p2h interactions up to 10 GeV 2013 R. Gran
J. Nieves
F. Sánchez
M. J. Vicente Vacas
4
+ PDF Chat Inclusive quasielastic charged-current neutrino-nucleus reactions 2004 J. Nieves
J. E. Amaro
M. Valverde
4
+ PDF Chat Calibration of the Super-Kamiokande detector 2013 K. Abe
Y. Hayato
T. Iida
K. Iyogi
J. Kameda
Y. Kishimoto
Y. Koshio
Ll. Marti
M. Miura
S. Moriyama
4
+ PDF Chat Unified approach to the classical statistical analysis of small signals 1998 G. J. Feldman
R. Cousins
4
+ PDF Chat Measurement of Atmospheric Neutrino Oscillations at 6–56 GeV with IceCube DeepCore 2018 M. G. Aartsen
M. Ackermann
J. Adams
J. A. Aguilar
M. Ahlers
M. Ahrens
I. Al Samarai
D. Altmann
K. Andeen
T. Anderson
4
+ PDF Chat Development and operational experience of magnetic horn system for T2K experiment 2015 T. Sekiguchi
Kotaro Bessho
Y. Fujii
M. Hagiwara
T. Hasegawa
Kenji Hayashi
Tomoya Ishida
T. Ishii
H. Kobayashi
T. Kobayashi
4