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13 results on '"Khazin BI"'

1. New Results from the Muon g ‐ 2 Experiment

Author

Sichtermann, EP, Bennett, GW, Bousquet, B, Brown, HN, Bunce, G, Carey, RM, Cushman, P, Danby, GT, Debevec, PT, Deile, M, Deng, H, Deninger, W, Dhawan, SK, Druzhinin, VP, Duong, L, Efstathiadis, E, Farley, FJM, Fedotovich, GV, Giron, S, Gray, FE, Grigoriev, D, Grosse‐Perdekamp, M, Grossmann, A, Hare, MF, Hertzog, DW, Huang, X, Hughes, VW, Iwasaki, M, Jungmann, K, Kawall, D, Khazin, BI, Kindem, J, Krienen, F, Kronkvist, I, Lam, A, Larsen, R, Lee, YY, Logashenko, I, McNabb, R, Meng, W, Mi, J, Miller, JP, Morse, WM, Nikas, D, Onderwater, CJG, Orlov, Y, Özben, CS, Paley, JM, Peng, Q, Polly, CC, Pretz, J, Prigl, R, Putlitz, G zu, Qian, T, Redin, SI, Rind, O, Roberts, BL, Ryskulov, N, Shagin, P, Semertzidis, YK, Shatunov, Yu M, Solodov, E, Sossong, M, Steinmetz, A, Sulak, LR, Trofimov, A, Urner, D, von Walter, P, Warburton, D, and Yamamoto, A

Subjects
hep-ex
Abstract

The Cryogenic Underground Observatory for Rare Events (CUORE) is the first cryogenic experiment searching for neutrinoless double-beta (0vßß) decay that has been able to reach the one-ton scale. The detector, located at the Laboratori Nazionali del Gran Sasso in Italy, consists of an array of 988 TeO2 crystals arranged in a compact cylindrical structure of 19 towers. Following the completion of the detector construction in August 2016, CUORE began its first physics data run in 2017 at a base temperature of about 10 mK. Following multiple optimization campaigns in 2018, CUORE is currently in stable operating mode. In 2019, CUORE released its 2nd result of the search for 0vßß with a TeO2 exposure of 372.5 kg·yr and a median exclusion sensitivity to a 130Te 0vßß decay half-life of 1.7 · 1025 yr. We find no evidence for 0vßß decay and set a 90% C.I. (credibility interval) Bayesian lower limit of 3.2 · 1025 yr on the 130Te 0vßß decay half-life. In this work, we present the current status of CUORE's search for 0vßß, as well as review the detector performance. Finally, we give an update of the CUORE background model and the measurement of the 130Te two neutrino double-beta (2vßß) decay half-life.

Published
2003

2. New Constraint on the Existence of the mu(+) -> e(+) gamma Decay

Author

Adam, J, Bai, X, Baldini, Am, Baracchini, E, Bemporad, C, Boca, G, Cattaneo, Pw, Cavoto, G, Cei, Fabrizio, Cerri, C, de Bari, A, De Gerone, M, Doke, T, Dussoni, S, Egger, J, Fujii, Y, Galli, L, Gatti, F, Golden, B, Grassi, M, Graziosi, A, Grigoriev, Dn, Haruyama, T, Hildebrandt, M, Hisamatsu, Y, Ignatov, F, Iwamoto, T, Kaneko, D, Kettle, Pr, Khazin, Bi, Khomotov, N, Kiselev, O, Korenchenko, A, Kravchuk, N, Lim, G, Maki, A, Mihara, S, Molzon, W, Mori, T, Mzavia, D, Nardo, R, Natori, H, Nicolo', Donato, Nishiguchi, H, Nishimura, Y, Ootani, W, Panareo, M, Papa, A, Piredda, G, Popov, A, Renga, F, Ripiccini, E, Ritt, S, Rossella, M, Sawada, R, Sergiampietri, F, Signorelli, G, Suzuki, S, Tenchini, Francesco, Topchyan, C, Uchiyama, Y, Voena, C, Xiao, F, Yamada, S, Yamamoto, A, Yamashita, S, Yudin, Yv, and Zanello, D.

Published
2013

3. New Limit on the Lepton-Flavor-Violating Decay mu(+) -> e(+)gamma

Author

Adam, J, Bai, X, Baldini, Am, Baracchini, E, Bemporad, C, Boca, G, Cattaneo, Pw, Cavoto, G, Cei, Fabrizio, Cerri, C, de Bari, A, De Gerone, M, Doke, T, Dussoni, S, Egger, J, Fratini, K, Fujii, Y, Galli, L, Gallucci, G, Gatti, F, Golden, B, Grassi, M, Grigoriev, Dn, Haruyama, T, Hildebrandt, M, Hisamatsu, Y, Ignatov, F, Iwamoto, T, Kettle, Pr, Khazin, Bi, Kiselev, O, Korenchenko, A, Kravchuk, N, Maki, A, Mihara, S, Molzon, W, Mori, T, Mzavia, D, Natori, H, Nicolo', Donato, Nishiguchi, H, Nishimura, Y, Ootani, W, Panareo, M, Papa, A, Pazzi, R, Piredda, G, Popov, A, Renga, F, Ritt, S, Rossella, M, Sawada, R, Sergiampietri, F, Signorelli, G, Suzuki, S, Tenchini, Francesco, Topchyan, C, Uchiyama, Y, Valle, R, Voena, C, Xiao, F, Yamada, S, Yamamoto, A, Yamashita, S, Yudin, Yv, and Zanello, D.

Published
2011

4. Publisher’s Note: Measurement of the positive muon anomalous magnetic moment to 0.7 ppm (vol 89, art no 101804, 2002)

Author

Bennett, GW, Bousquet, B, Brown, HN, Bunce, G, Carey, RM, Cushman, P, Danby, GT, Debevec, PT, Deile, M, Deng, H, Deninger, W, Dhawan, SK, Druzhinin, VP, Duong, L, Efstathiadis, E, Farley, FJM, Fedotovich, GV, Giron, S, Gray, FE, Grigoriev, D, Grosse-Perdekamp, M, Grossmann, A, Hare, MF, Hertzog, DW, Huang, X, Hughes, VW, Iwasaski, M, Jungmann, K, Kawall, D, Khazin, BI, Kindem, J, Krienen, F, Kronkvist, I., Lam, A, Larsen, R, Lee, YY, Logashenko, I., McNabb, R, Meng, W, Mi, J, Miller, JP, Morse, WM, Nikas, D, Onderwater, CJG, Orlov, Y, Ozben, CS, Paley, JM, Peng, Q, Polly, CC, and Pretz, J

Published
2002

5. New measurement of the anomalous magnetic moment of the positive muon

Author

Carey, RM, Earle, W, Efstathiadis, E, Hare, MF, Hazen, ES, Hughes, BJ, Krienen, F, Miller, JP, Monich, Ouyang, J, Rind, O, Roberts, BL, Sulak, LR, Trofimov, A, Varner, G, Worstell, WA, Benedict, E, Logashenko, I., Benante, J, Brown, HN, Bunce, G, Cullen, J, Danby, GT, Geller, J, Hseuh, H, Jackson, JW, Jia, L, Kochis, S, Larsen, R, Lee, YY, Mapes, M, Meng, W, Morse, WM, Pai, C, Pearson, C, Polk, T., Prigl, R, Rankowitz, S, Sandberg, J, Semertzidis, YK, Shutt, R, Snydstrup, L, Soukas, A, Stillman, A, Tallerico, T, Tanaka, M, Toldo, F, von Lintig, D, Warburton, D, Woodle, K, Chertovskikh, A, Druzhinin, VP, Fedotovich, GV, Grigorev, DN, Golubev, VB, Khazin, BI, Maksimov, A, Merzliakov, Y, Ryskulov, N, Serednyakov, S, Shatunov, YM, Solodov, E, Orlov, Y, Winn, D, Grossmann, A, Gerhaeuser, J, Jungmann, K, von Walter, P, zu Putlitz, G, Bunker, B, Deninger, W, Debevec, PT, Hertzog, DW, Jones, TD, Polly, C, Sedykh, S, Urner, D, Haeberlen, U, Endo, K, Hirabayashi, H, Kurokawa, S, Yamamoto, A, Green, MA, Cushman, P, Kindem, J, Duong, L, Giron, S, McNabb, R, Miller, D, Zimmerman, D, Mizumachi, Y, Iwasaki, M, Ahn, HE, Deng, H, Dhawan, SK, Disco, A, Farley, FJM, Fei, Erkang, Grosse-Perdekamp, M, Hughes, VW, Kawall, D, Redin, SI, Steinmetz, A, and Precision Frontier

Subjects
G-2, Physics::Accelerator Physics, NMR
Abstract

The muon anomalous magnetic moment has been measured in a new experiment at Brookhaven. Polarized muons were stored in a superferric ring, and the angular frequency difference, omega(a), between the spin precession and orbital frequencies was determined by measuring the time distribution of high-energy decay positrons. The ratio R of omega(a) to the Larmor precession frequency of free protons, omega(p), in the storage-ring magnetic field was measured. We find R = 3.707 220(48) X 10(-3). With mu(mu)/mu(p) = 3.183 345 47(47) this gives a(mu+) = 1 165 925(15) X 10(-9) (+/-13 ppm), in good agreement with the previous CERN measurements for mu(+) and mu(-) and of approximately the same precision.

Published
1999

6. Measurement of the e(+)e(-)->pi(+)pi(-) cross-section with the CMD-2 detector

Author

Akhmetshin, Rr, Aksenov, Ga, Astakhov, Va, Anashkin, Ev, Arpagaus, M., Aulchenko, Vm, Banzarov, Vs, Barkov, Lm, Baru, Se, Bashtovoy, Ns, Bondar, Ae, Chernyak, Dv, Chertovskikh, Ag, Danilov, Vv, Dvoretsky, As, Eidelman, Si, Fedotovich, Gv, Gabyshev, Ni, Grebeniuk, Aa, Grigoriev, Dn, Ivanov, Pm, Vassili Kazanin, Khazin, Bi, Klimenkov, Av, Koop, Ia, Kurdadze, Lm, Kuzmin, As, Lechner, M., Lukin, Pa, Logashenko, Ib, Lysenko, Ap, Maksimov, Av, Merzlyakov, Yi, Nesterenko, In, Okhapkin, Vs, Perevedentsev, Ea, Popkov, Ev, Polunin, Aa, Pozdeev, Eg, Ptitzyn, Vi, Purlatz, Ta, Root, Ni, Ruban, Aa, Ryskulov, Nm, Shamov, Ag, Shatunov, Ym, Shekhtman, Ai, Shubin, Ma, Shwartz, Ba, Sidorov, Va, Skrinsky, An, Smakhtin, Vp, Snopkov, Ig, Solodov, Ep, Stepanov, Py, Sukhanov, Ai, Yudin, Yy, Zverev, Sg, Brown, Dh, Roberts, Bl, Thompson, Ja, and Hughes, Vw

7. Measurement of the Pion Form Factor with CMD-3 Detector and Its Implication to the Hadronic Contribution to Muon (g-2).

Author

Ignatov FV, Akhmetshin RR, Amirkhanov AN, Anisenkov AV, Aulchenko VM, Bashtovoy NS, Berkaev DE, Bondar AE, Bragin AV, Eidelman SI, Epifanov DA, Epshteyn LB, Erofeev AL, Fedotovich GV, Gorkovenko AO, Grancagnolo FJ, Grebenuk AA, Gribanov SS, Grigoriev DN, Ivanov VL, Karpov SV, Kasaev AS, Kazanin VF, Khazin BI, Kirpotin AN, Koop IA, Korobov AA, Kozyrev AN, Kozyrev EA, Krokovny PP, Kuzmenko AE, Kuzmin AS, Logashenko IB, Lukin PA, Lysenko AP, Mikhailov KY, Obraztsov IV, Okhapkin VS, Otboev AV, Perevedentsev EA, Pestov YN, Popov AS, Razuvaev GP, Rogovsky YA, Ruban AA, Ryskulov NM, Ryzhenenkov AE, Semenov AV, Senchenko AI, Shatunov PY, Shatunov YM, Shebalin VE, Shemyakin DN, Shwartz BA, Shwartz DB, Sibidanov AL, Solodov EP, Talyshev AA, Timoshenko MV, Titov VM, Tolmachev SS, Vorobiov AI, Yudin YV, Zemlyansky IM, Zhadan DS, Zharinov YM, and Zubakin AS

Abstract

The cross section of the process e^{+}e^{-}→π^{+}π^{-} has been measured in the center-of-mass energy range from 0.32 to 1.2 GeV with the CMD-3 detector at the electron-positron collider VEPP-2000. The measurement is based on an integrated luminosity of about 88  pb^{-1}, of which 62  pb^{-1} represent a complete dataset collected by CMD-3 at center-of-mass energies below 1 GeV. In the dominant region near the ρ resonance a systematic uncertainty of 0.7% was achieved. The implications of the presented results for the evaluation of the hadronic contribution to the anomalous magnetic moment of the muon are discussed.

Published
2024
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8. New constraint on the existence of the μ+ → e+ γ decay.

Author

Adam J, Bai X, Baldini AM, Baracchini E, Bemporad C, Boca G, Cattaneo PW, Cavoto G, Cei F, Cerri C, de Bari A, De Gerone M, Doke T, Dussoni S, Egger J, Fujii Y, Galli L, Gatti F, Golden B, Grassi M, Graziosi A, Grigoriev DN, Haruyama T, Hildebrandt M, Hisamatsu Y, Ignatov F, Iwamoto T, Kaneko D, Kettle PR, Khazin BI, Khomotov N, Kiselev O, Korenchenko A, Kravchuk N, Lim G, Maki A, Mihara S, Molzon W, Mori T, Mzavia D, Nardò R, Natori H, Nicolò D, Nishiguchi H, Nishimura Y, Ootani W, Panareo M, Papa A, Piredda G, Popov A, Renga F, Ripiccini E, Ritt S, Rossella M, Sawada R, Sergiampietri F, Signorelli G, Suzuki S, Tenchini F, Topchyan C, Uchiyama Y, Voena C, Xiao F, Yamada S, Yamamoto A, Yamashita S, You Z, Yudin YV, and Zanello D

Abstract

The analysis of a combined data set, totaling 3.6 × 10(14) stopped muons on target, in the search for the lepton flavor violating decay μ(+) → e(+)γ is presented. The data collected by the MEG experiment at the Paul Scherrer Institut show no excess of events compared to background expectations and yield a new upper limit on the branching ratio of this decay of 5.7 × 10(-13) (90% confidence level). This represents a four times more stringent limit than the previous world best limit set by MEG.

Published
2013
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9. New limit on the lepton-flavor-violating decay μ+→e+γ.

Author

Adam J, Bai X, Baldini AM, Baracchini E, Bemporad C, Boca G, Cattaneo PW, Cavoto G, Cei F, Cerri C, de Bari A, De Gerone M, Doke T, Dussoni S, Egger J, Fratini K, Fujii Y, Galli L, Gallucci G, Gatti F, Golden B, Grassi M, Grigoriev DN, Haruyama T, Hildebrandt M, Hisamatsu Y, Ignatov F, Iwamoto T, Kettle PR, Khazin BI, Kiselev O, Korenchenko A, Kravchuk N, Maki A, Mihara S, Molzon W, Mori T, Mzavia D, Natori H, Nicolò D, Nishiguchi H, Nishimura Y, Ootani W, Panareo M, Papa A, Pazzi R, Piredda G, Popov A, Renga F, Ritt S, Rossella M, Sawada R, Sergiampietri F, Signorelli G, Suzuki S, Tenchini F, Topchyan C, Uchiyama Y, Valle R, Voena C, Xiao F, Yamada S, Yamamoto A, Yamashita S, Yudin YV, and Zanello D

Abstract

We present a new result based on an analysis of the data collected by the MEG detector at the Paul Scherrer Institut in 2009 and 2010, in search of the lepton-flavor-violating decay μ(+)e(+)γ. The likelihood analysis of the combined data sample, which corresponds to a total of 1.8×10(14) muon decays, gives a 90% C.L. upper limit of 2.4×10(-12) on the branching ratio of the μ(+)→e(+)γ decay, constituting the most stringent limit on the existence of this decay to date., (© 2011 American Physical Society)

Published
2011
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10. Search for Lorentz and CPT violation effects in Muon spin precession.

Author

Bennett GW, Bousquet B, Brown HN, Bunce G, Carey RM, Cushman P, Danby GT, Debevec PT, Deile M, Deng H, Deninger W, Dhawan SK, Druzhinin VP, Duong L, Efstathiadis E, Farley FJ, Fedotovich GV, Giron S, Gray FE, Grigoriev D, Grosse-Perdekamp M, Grossmann A, Hare MF, Hertzog DW, Huang X, Hughes VW, Iwasaki M, Jungmann K, Kawall D, Kawamura M, Khazin BI, Kindem J, Krienen F, Kronkvist I, Lam A, Larsen R, Lee YY, Logashenko I, McNabb R, Meng W, Mi J, Miller JP, Mizumachi Y, Morse WM, Nikas D, Onderwater CJ, Orlov Y, Ozben CS, Paley JM, Peng Q, Polly CC, Pretz J, Prigl R, zu Putlitz G, Qian T, Redin SI, Rind O, Roberts BL, Ryskulov N, Sedykh S, Semertzidis YK, Shagin P, Shatunov YM, Sichtermann EP, Solodov E, Sossong M, Steinmetz A, Sulak LR, Timmermans C, Trofimov A, Urner D, von Walter P, Warburton D, Winn D, Yamamoto A, and Zimmerman D

Abstract

The spin precession frequency of muons stored in the (g-2) storage ring has been analyzed for evidence of Lorentz and CPT violation. Two Lorentz and CPT violation signatures were searched for a nonzero delta omega a(=omega a mu+ - omega a mu-) and a sidereal variation of omega a mu+/-). No significant effect is found, and the following limits on the standard-model extension parameters are obtained: bZ = -(1.0+/-1.1) x 10(-23) GeV; (m mu dZ0 + HXY)=(1.8+/-6.0) x 10(-23) GeV; and the 95% confidence level limits b perpendicular mu+ <1.4 x 10(-24) GeV and b perpendicular mu- <2.6 x 10(-24) GeV.

Published
2008
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11. Measurement of the negative muon anomalous magnetic moment to 0.7 ppm.

Author

Bennett GW, Bousquet B, Brown HN, Bunce G, Carey RM, Cushman P, Danby GT, Debevec PT, Deile M, Deng H, Dhawan SK, Druzhinin VP, Duong L, Farley FJ, Fedotovich GV, Gray FE, Grigoriev D, Grosse-Perdekamp M, Grossmann A, Hare MF, Hertzog DW, Huang X, Hughes VW, Iwasaki M, Jungmann K, Kawall D, Khazin BI, Krienen F, Kronkvist I, Lam A, Larsen R, Lee YY, Logashenko I, McNabb R, Meng W, Miller JP, Morse WM, Nikas D, Onderwater CJ, Orlov Y, Ozben CS, Paley JM, Peng Q, Polly CC, Pretz J, Prigl R, Zu Putlitz G, Qian T, Redin SI, Rind O, Roberts BL, Ryskulov N, Semertzidis YK, Shagin P, Shatunov YM, Sichtermann EP, Solodov E, Sossong M, Sulak LR, Trofimov A, von Walter P, and Yamamoto A

Abstract

The anomalous magnetic moment of the negative muon has been measured to a precision of 0.7 ppm (ppm) at the Brookhaven Alternating Gradient Synchrotron. This result is based on data collected in 2001, and is over an order of magnitude more precise than the previous measurement for the negative muon. The result a(mu(-))=11 659 214(8)(3) x 10(-10) (0.7 ppm), where the first uncertainty is statistical and the second is systematic, is consistent with previous measurements of the anomaly for the positive and the negative muon. The average of the measurements of the muon anomaly is a(mu)(exp)=11 659 208(6) x 10(-10) (0.5 ppm).

Published
2004
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12. Measurement of the positive muon anomalous magnetic moment to 0.7 ppm.

Author

Bennett GW, Bousquet B, Brown HN, Bunce G, Carey RM, Cushman P, Danby GT, Debevec PT, Deile M, Deng H, Deninger W, Dhawan SK, Druzhinin VP, Duong L, Efstathiadis E, Farley FJ, Fedotovich GV, Giron S, Gray FE, Grigoriev D, Grosse-Perdekamp M, Grossmann A, Hare MF, Hertzog DW, Huang X, Hughes VW, Iwasaki M, Jungmann K, Kawall D, Khazin BI, Kindem J, Krienen F, Kronkvist I, Lam A, Larsen R, Lee YY, Logashenko I, McNabb R, Meng W, Mi J, Miller JP, Morse WM, Nikas D, Onderwater CJ, Orlov Y, Ozben CS, Paley JM, Peng Q, Polly CC, Pretz J, Prigl R, Zu Putlitz G, Qian T, Redin SI, Rind O, Roberts BL, Ryskulov N, Shagin P, Semertzidis YK, Shatunov YM, Sichtermann EP, Solodov E, Sossong M, Steinmetz A, Sulak LR, Trofimov A, Urner D, Von Walter P, Warburton D, and Yamamoto A

Abstract

A higher precision measurement of the anomalous g value, a(mu)=(g-2)/2, for the positive muon has been made at the Brookhaven Alternating Gradient Synchrotron, based on data collected in the year 2000. The result a(mu(+))=11 659 204(7)(5)x10(-10) (0.7 ppm) is in good agreement with previous measurements and has an error about one-half that of the combined previous data. The present world average experimental value is a(mu)(expt)=11 659 203(8)x10(-10) (0.7 ppm).

Published
2002
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13. Precise measurement of the positive muon anomalous magnetic moment.

Author

Brown HN, Bunce G, Carey RM, Cushman P, Danby GT, Debevec PT, Deile M, Deng H, Deninger W, Dhawan SK, Druzhinin VP, Duong L, Efstathiadis E, Farley FJ, Fedotovich GV, Giron S, Gray F, Grigoriev D, Grosse-Perdekamp M, Grossmann A, Hare MF, Hertzog DW, Hughes VW, Iwasaki M, Jungmann K, Kawall D, Kawamura M, Khazin BI, Kindem J, Krienen F, Kronkvist I, Larsen R, Lee YY, Logashenko I, McNabb R, Meng W, Mi J, Miller JP, Morse WM, Nikas D, Onderwater CJ, Orlov Y, Ozben CS, Paley JM, Polly C, Pretz J, Prigl R, zu Putlitz G, Redin SI, Rind O, Roberts BL, Ryskulov N, Sedykh S, Semertzidis YK, Shatunov YM, Sichtermann EP, Solodov E, Sossong M, Steinmetz A, Sulak LR, Timmermans C, Trofimov A, Urner D, von Walter P, Warburton D, Winn D, Yamamoto A, and Zimmerman D

Abstract

A precise measurement of the anomalous g value, a(mu) = (g-2)/2, for the positive muon has been made at the Brookhaven Alternating Gradient Synchrotron. The result a(mu+) = 11 659 202(14) (6) x 10(-10) (1.3 ppm) is in good agreement with previous measurements and has an error one third that of the combined previous data. The current theoretical value from the standard model is a(mu)(SM) = 11 659 159.6(6.7) x 10(-10) (0.57 ppm) and a(mu)(exp) - a(mu)(SM) = 43(16) x 10(-10) in which a(mu)(exp) is the world average experimental value.

Published
2001
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