NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = T.M.Ito Found 24 matches. 2022CU09 Phys.Rev. C 106, 065506 (2022) C.Cude-Woods, F.M.Gonzalez, E.M.Fries, T.Bailey, M.Blatnik, N.B.Callahan, J.H.Choi, S.M.Clayton, S.A.Currie, M.Dawid, B.W.Filippone, W.Fox, P.Geltenbort, E.George, L.Hayen, K.P.Hickerson, M.A.Hoffbauer, K.Hoffman, A.T.Holley, T.M.Ito, A.Komives, C.-Y.Liu, M.Makela, C.L.Morris, R.Musedinovic, C.O'Shaughnessy, R.W.Pattie, J.Ramsey, D.J.Salvat, A.Saunders, E.I.Sharapov, S.Slutsky, V.Su, X.Sun, C.Swank, Z.Tang, W.Uhrich, J.Vanderwerp, P.Walstrom, Z.Wang, W.Wei, A.R.Young Fill and dump measurement of the neutron lifetime using an asymmetric magneto-gravitational trap RADIOACTIVITY 1NN(β-); measured number of trapped neutrons; deduced free neutron lifetime T1/2. Comparison to previous most precise experimental data. Asymmetric magneto-gravitational trap at Los Alamos Ultracold Neutron Facility.
doi: 10.1103/PhysRevC.106.065506
2020PH01 Phys.Rev. C 102, 035503 (2020) N.S.Phan, V.Cianciolo, S.M.Clayton, S.A.Currie, R.Dipert, T.M.Ito, S.W.T.MacDonald, C.M.O'Shaughnessy, J.C.Ramsey, G.M.Seidel, E.Smith, E.Tang, Z.Tang, W.Yao Effect of an electric field on liquid helium scintillation produced by fast electrons ATOMIC PHYSICS He(e-, γ), E=364-391 keV, [conversion electrons from 113Sn ϵ decay]; He(α, γ), E=5388-5544 keV, [from 241Am α decay]; measured scintillation light yields and spectra produced by fast electrons and α particles stopped in liquid helium (LHe) in the temperature range of 0.44 K to 3.12 K using Medium-Scale High Voltage (MSHV) Test Apparatus, and Hamamatsu R7725 photomuliplier tube (PMT); deduced temperature and electric field dependence of electron and α prompt scintillations, recombination survival probability as a function of time, and apparent temperature dependence of the reduction of scintillations for electrons due to finite ion recombination time and signal integration time. Relevance of liquid He detector for solar neutrino detection, search for electric dipole moment of neutron, measurement of the free neutron lifetime, and detection of light dark-matter particles.
doi: 10.1103/PhysRevC.102.035503
2018AN12 Eur.Phys.J. A 54, 148 (2018) A.Anghel, T.L.Bailey, G.Bison, B.Blau, L.J.Broussard, S.M.Clayton, C.Cude-Woods, M.Daum, A.Hawari, N.Hild, P.Huffman, T.M.Ito, K.Kirch, E.Korobkina, B.Lauss, K.Leung, E.M.Lutz, M.Makela, G.Medlin, C.L.Morris, R.W.Pattie, D.Ries, A.Saunders, P.Schmidt-Wellenburg, V.Talanov, A.R.Young, B.Wehring, C.White, M.Wohlmuther, G.Zsigmond Solid deuterium surface degradation at ultracold neutron sources
doi: 10.1140/epja/i2018-12594-2
2018IT01 Phys.Rev. C 97, 012501 (2018) T.M.Ito, E.R.Adamek, N.B.Callahan, J.H.Choi, S.M.Clayton, C.Cude-Woods, S.Currie, X.Ding, D.E.Fellers, P.Geltenbort, S.K.Lamoreaux, C.-Y.Liu, S.MacDonald, M.Makela, C.L.Morris, R.W.Pattie, J.C.Ramsey, D.J.Salvat, A.Saunders, E.I.Sharapov, S.Sjue, A.P.Sprow, Z.Tang, H.L.Weaver, W.Wei, A.R.Young Performance of the upgraded ultracold neutron source at Los Alamos National Laboratory and its implication for a possible neutron electric dipole moment experiment RADIOACTIVITY 1n(β-); measured cold neutron time of arrival (TOA) spectrum, UCN density, dUCNcounts normalized to the UCN monitor detector near the exit of the biological shield using upgraded ultracold neutron (UCN) source at Los Alamos National Laboratory. Discussed implication for a possible neutron electric dipole moment (EDM) experiment.
doi: 10.1103/PhysRevC.97.012501
2018TA18 Phys.Rev.Lett. 121, 022505 (2018) Z.Tang, M.Blatnik, L.J.Broussard, J.H.Choi, S.M.Clayton, C.Cude-Woods, S.Currie, D.E.Fellers, E.M.Fries, P.Geltenbort, F.Gonzalez, K.P.Hickerson, T.M.Ito, C.-Y.Liu, S.W.T.MacDonald, M.Makela, C.L.Morris, C.M.O'Shaughnessy, R.W.Pattie, B.Plaster, D.J.Salvat, A.Saunders, Z.Wang, A.R.Young, B.A.Zeck Search for the Neutron Decay n → X + γ, Where X is a Dark Matter Particle RADIOACTIVITY 1NN(γ); measured decay products, Eγ, Iγ; deduced lack of the possibility of a sufficiently strong branch to explain the lifetime discrepancy with 97% confidence.
doi: 10.1103/PhysRevLett.121.022505
2014SE04 Phys.Rev. C 89, 025808 (2014) G.M.Seidel, T.M.Ito, A.Ghosh, B.Sethumadhavan Charge distribution about an ionizing electron track in liquid helium ATOMIC PHYSICS 4He(e, e'), [electrons from 63Ni β- decay], E<66 keV; measured distribution of ionization current due to secondary electrons produced by 63Ni β emitter in liquid 4He at temperatures of 0.5K-4.5K; deduced Gaussian distribution with a fat tail at large distances. Discussed photoemission, Auger ejection, and excimers effects.
doi: 10.1103/PhysRevC.89.025808
2013IT02 Phys.Rev. C 88, 025805 (2013) Scintillation of liquid helium for low-energy nuclear recoils
doi: 10.1103/PhysRevC.88.025805
2006MA06 Phys.Rev. C 73, 015501 (2006) J.W.Martin, J.Yuan, M.J.Betancourt, B.W.Filippone, S.A.Hoedl, T.M.Ito, B.Plaster, A.R.Young New measurements and quantitative analysis of electron backscattering in the energy range of neutron β-decay NUCLEAR REACTIONS H, C, Be, Si(e, e'), E=43.5, 63.9, 83.8, 104, 124 keV; measured backscattered electron spectra, σ(θ). Plastic scintillator target, comparison with model predictions.
doi: 10.1103/PhysRevC.73.015501
2005IT02 Phys.Rev.Lett. 94, 161802 (2005) Neutrino Mass Constraints on β Decay
doi: 10.1103/PhysRevLett.94.161802
2004IT03 Phys.Rev.Lett. 92, 102003 (2004) T.M.Ito, and the SAMPLE Collaboration Parity-Violating Electron Deuteron Scattering and the Proton's Neutral Weak Axial Vector Form Factor NUCLEAR REACTIONS 2H(polarized e, e), E=125 MeV; measured parity-violating asymmetry at backward angles. Comparison with model predictions.
doi: 10.1103/PhysRevLett.92.102003
2004SA45 Phys.Lett. B 593, 55 (2004) A.Saunders, J.M.Anaya, T.J.Bowles, B.W.Filippone, P.Geltenbort, R.E.Hill, M.Hino, S.Hoedl, G.E.Hogan, T.M.Ito, K.W.Jones, T.Kawai, K.Kirch, S.K.Lamoreaux, C.-Y.Liu, M.Makela, L.J.Marek, J.W.Martin, C.L.Morris, R.N.Mortensen, A.Pichlmaier, S.J.Seestrom, A.Serebrov, D.Smith, W.Teasdale, B.Tipton, R.B.Vogelaar, A.R.Young, J.Yuan Demonstration of a solid deuterium source of ultra-cold neutrons
doi: 10.1016/j.physletb.2004.04.048
2004SP01 Phys.Lett. B 583, 79 (2004) D.T.Spayde, D.H.Beck, R.Hasty, T.Averett, D.Barkhuff, G.Dodson, K.Dow, M.Farkhondeh, W.Franklin, E.Tsentalovich, B.Yang, T.Zwart, E.J.Beise, H.Breuer, R.Tieulent, R.Carr, S.Covrig, B.W.Filippone, T.M.Ito, R.D.McKeown, W.Korsch, S.Kowalski, B.Mueller, M.L.Pitt, M.J.Ramsey-Musolf, J.Ritter, S.P.Wells The strange quark contribution to the proton's magnetic moment NUCLEAR REACTIONS 1H(polarized e, e'), E=200 MeV; analyzed polarization observables, related data. 1H deduced strange quark contribution to μ.
doi: 10.1016/j.physletb.2004.01.002
2003MA75 Phys.Rev. C 68, 055503 (2003) J.W.Martin, J.Yuan, S.A.Hoedl, B.W.Filippone, D.Fong, T.M.Ito, E.Lin, B.Tipton, A.R.Young Measurement of electron backscattering in the energy range of neutron β decay NUCLEAR REACTIONS Be, Si(e, e'), E=43.5-124 keV; measured electron spectra, σ(θ); deduced normal-incidence backscattered fraction. Comparison with model predictions.
doi: 10.1103/PhysRevC.68.055503
2002MO40 Phys.Rev.Lett. 89, 272501 (2002) C.L.Morris, J.M.Anaya, T.J.Bowles, B.W.Filippone, P.Geltenbort, R.E.Hill, M.Hino, S.Hoedl, G.E.Hogan, T.M.Ito, T.Kawai, K.Kirch, S.K.Lamoreaux, C.-Y.Liu, M.Makela, L.J.Marek, J.W.Martin, R.N.Mortensen, A.Pichlmaier, A.Saunders, S.J.Seestrom, D.Smith, W.Teasdale, B.Tipton, M.Utsuro, A.R.Young, J.Yuan Measurements of Ultracold-Neutron Lifetimes in Solid Deuterium
doi: 10.1103/PhysRevLett.89.272501
2001AU08 Nucl.Phys. A691, 278c (2001) M.Augsburger, G.Beer, S.Bianco, A.M.Bragadireanu, M.Bregant, W.H.Breunlich, M.Cargnelli, D.Chatellard, C.Curceanu Petrascu, J.-P.Egger, F.L.Fabbri, B.Gartner, C.Guaraldo, R.S.Hayano, M.Iliescu, T.Ishiwatari, T.M.Ito, M.Iwasaki, R.King, P.Knowles, T.Koike, B.Lauss, V.Lucherini, J.Marton, E.Milotti, F.Mulhauser, S.N.Nakamura, T.Ponta, A.C.Sanderson, L.A.Schaller, L.Schellenberg, H.Schneuwly, R.Seki, D.Tomono, T.Yoneyama, E.Zavattini, J.Zmeskal, on behalf of the DEAR Collaboration The DEAR Experiment on DAΦNE
doi: 10.1016/S0375-9474(01)01044-2
2001WE09 Phys.Rev. C63, 064001 (2001) S.P.Wells, T.Averett, D.Barkhuff, D.H.Beck, E.J.Beise, C.Benson, H.Breuer, R.Carr, S.Covrig, J.DelCorso, G.Dodson, C.Eppstein, M.Farkhondeh, B.W.Filippone, T.A.Forest, P.Frasier, R.Hasty, T.M.Ito, C.Jones, W.Korsch, S.Kowalski, P.Lee, E.Maneva, K.McCarty, R.D.McKeown, J.Mikell, B.Mueller, P.Naik, M.L.Pitt, J.Ritter, V.Savu, D.T.Spayde, M.Sullivan, R.Tieulent, E.Tsentalovich, B.Yang, T.Zwart Measurement of the Vector Analyzing Power in Elastic Electron-Proton Scattering as a Probe of the Double Virtual Compton Amplitude NUCLEAR REACTIONS 1H(polarized e, e), E=200 MeV; measured azimuthal asymmetry, vector analyzing power; deduced two-photon exchange amplitude.
doi: 10.1103/PhysRevC.63.064001
1999NA46 Hyperfine Interactions 118, 45 (1999) S.N.Nakamura, K.Bartlett, G.A.Beer, G.R.Gill, R.S.Hayano, T.M.Ito, M.Iwasaki, L.Lee, G.Mason, A.Olin, H.Outa, M.Salomon, R.Seki, T.Taniguchi, T.P.Terada, G.Trayling, Y.Yamashita, S.Yen Observation of kaonic hydrogen atom X-ray NUCLEAR REACTIONS 1H(K-, X), E at rest; measured kaonic hydrogen X-ray spectra; deduced strong-interaction energy shift, width. ATOMIC PHYSICS, Mesic-Atoms 1H(K-, X), E at rest; measured kaonic hydrogen X-ray spectra; deduced strong-interaction energy shift, width.
doi: 10.1023/A:1012672100283
1999PE25 Hyperfine Interactions 118, 53 (1999) C.Petrascu, S.Bianco, A.M.Bragadireanu, F.L.Fabbri, C.Guaraldo, M.Iliescu, T.M.Ito, V.Lucherini, M.Bregant, E.Milotti, A.Vacchi, E.Zavattini, M.Augsburger, D.Chatellard, P.Knowles, F.Mulhauser, L.A.Schaller, L.Schellenberg, H.Schneuwly, J.-P.Egger, D.Varidel, W.H.Breunlich, M.Cargnelli, B.Gartner, R.King, B.Lauss, J.Marton, J.Zmeskal, T.Ponta, S.N.Nakamura, T.Koike, R.S.Hayano, M.Hori, T.Ishikawa, T.Ishiwatari, M.Iwasaki, Y.Akaishi, G.Beer, A.C.Sanderson, R.Seki Disentangling the K-complex of kaonic hydrogen with DEAR
doi: 10.1023/A:1012624217122
1998BI09 Acta Phys.Pol. B29, 2269 (1998) S.Bianco, A.M.Bragadireanu, F.L.Fabbri, C.Guaraldo, M.Iliescu, T.M.Ito, V.Lucherini, C.Petrascu, M.Bregant, E.Milotti, A.Vacchi, E.Zavattini, M.Augsburger, D.Chatellard, P.Knowles, F.Mulhauser, L.A.Schaller, L.Schellenberg, H.Schneuwly, J.-P.Egger, D.Varidel, W.H.Breunlich, M.Cargnelli, B.Gartner, R.King, B.Lauss, J.Marton, J.Zmeskal, T.Ponta, S.N.Nakamura, T.Koike, R.S.Hayano, M.Hori, T.Ishikawa, T.Ishiwatari, M.Iwasaki, Y.Akaishi, G.Beer, A.C.Sanderson, R.Seki Kaon-Nucleon Interaction Studied by Kaonic X Rays with DEAR at DAΦNE
1998IT01 Nucl.Phys. A629, 197c (1998) Kaon Nucleon Interaction Studied by Kaonic X-Rays ATOMIC PHYSICS, Mesic-atoms 1H(K-, X), E at rest; measured X-ray spectra; deduced repulsive energy shift. Gas target.
doi: 10.1016/S0375-9474(97)00686-6
1998IT03 Phys.Rev. C58, 2366 (1998) T.M.Ito, R.S.Hayano, S.N.Nakamura, T.P.Terada, M.Iwasaki, D.R.Gill, L.Lee, A.Olin, M.Salomon, S.Yen, K.Bartlett, G.A.Beer, G.Mason, G.Trayling, H.Outa, T.Taniguchi, Y.Yamashita, R.Seki Observation of Kaonic Hydrogen Atom X Rays ATOMIC PHYSICS, Mesic-atoms 1H(K-, X), E at rest; measured X-ray spectra, pion spectra following K-p absorption; deduced kaonic hydrogen 1s state strong interaction shift, width.
doi: 10.1103/PhysRevC.58.2366
1998IW03 Nucl.Phys. A639, 501c (1998) M.Iwasaki, K.Bartlett, G.A.Beer, D.R.Gill, R.S.Hayano, T.M.Ito, L.Lee, G.Mason, S.N.Nakamura, A.Olin, H.Outa, M.Salomon, R.Seki, T.Taniguchi, T.P.Terada, G.Trayling, Y.Yamashita, S.Yen Discovery of the Repulsive Energy Shift of the Kaonic Hydrogen 1s State ATOMIC PHYSICS, Mesic-atoms 1H(K-, X), E at rest; measured X-ray spectrum; deduced energy shift.
doi: 10.1016/S0375-9474(98)00318-2
1997IW01 Phys.Rev.Lett. 78, 3067 (1997) M.Iwasaki, R.S.Hayano, T.M.Ito, S.N.Nakamura, T.P.Terada, D.R.Gill, L.Lee, A.Olin, M.Salomon, S.Yen, K.Bartlett, G.A.Beer, G.Mason, G.Trayling, H.Outa, T.Taniguchi, Y.Yamashita, R.Seki Observation of Kaonic Hydrogen K(α) X Rays NUCLEAR REACTIONS 1H(K-, X), E at rest; measured kaonic hydrogen X-rays; deduced (K-bar N) strong interaction energy shift, width. ATOMIC PHYSICS, Mesic-Atoms 1H(K-, X), E at rest; measured kaonic hydrogen X-rays; deduced (K-bar N) strong interaction energy shift, width.
doi: 10.1103/PhysRevLett.78.3067
1995IW01 Nucl.Phys. A585, 239c (1995) M.Iwasaki, K.Bartlett, G.A.Beer, D.R.Gill, R.S.Hayano, T.M.Ito, L.Lee, F.E.Maas, G.Mason, S.N.Nakamura, A.Olin, H.Outa, M.Salomon, R.Seki, T.Taniguchi, T.P.Terada, G.Trayling, E.Widmann, Y.Yamashita, S.Yen, Y.Yonezawa Kaonic Hydrogen X-Ray Experiment at KEK ATOMIC PHYSICS, Mesic-Atoms 1H(K-, X), E not given; measured kaonic atom X-ray energy shift, width.
doi: 10.1016/0375-9474(94)00572-5
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