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1. Joint Determination of Reactor Antineutrino Spectra from U235 and Pu239 Fission by Daya Bay and PROSPECT

Author

An, FP, Andriamirado, M, Balantekin, AB, Band, HR, Bass, CD, Bergeron, DE, Berish, D, Bishai, M, Blyth, S, Bowden, NS, Bryan, CD, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Classen, T, Conant, AJ, Cummings, JP, Dalager, O, Deichert, G, Delgado, A, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dolinski, MJ, Dolzhikov, D, Dove, J, Dvořák, M, Dwyer, DA, Erickson, A, Foust, BT, Gaison, JK, Galindo-Uribarri, A, Gallo, JP, Gilbert, CE, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, Hansell, AB, He, M, Heeger, KM, Heffron, B, Heng, YK, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, JH, Huang, XT, Huang, YB, Huber, P, Koblanski, J, Jaffe, DE, Jayakumar, S, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, DC, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Kyzylova, O, Lane, CE, Langford, TJ, LaRosa, J, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, F, Li, HL, Li, JJ, Li, QJ, Li, RH, Li, S, and Li, SC

Subjects
Nuclear and Plasma Physics, Engineering, Synchrotrons and Accelerators, Physical Sciences, Daya Bay Collaboration, PROSPECT Collaboration, Mathematical Sciences, General Physics, Mathematical sciences, Physical sciences
Abstract

A joint determination of the reactor antineutrino spectra resulting from the fission of ^{235}U and ^{239}Pu has been carried out by the Daya Bay and PROSPECT Collaborations. This Letter reports the level of consistency of ^{235}U spectrum measurements from the two experiments and presents new results from a joint analysis of both data sets. The measurements are found to be consistent. The combined analysis reduces the degeneracy between the dominant ^{235}U and ^{239}Pu isotopes and improves the uncertainty of the ^{235}U spectral shape to about 3%. The ^{235}U and ^{239}Pu antineutrino energy spectra are unfolded from the jointly deconvolved reactor spectra using the Wiener-SVD unfolding method, providing a data-based reference for other reactor antineutrino experiments and other applications. This is the first measurement of the ^{235}U and ^{239}Pu spectra based on the combination of experiments at low- and highly enriched uranium reactors.

Published
2022

2. Search for electron-Antineutrinos associated with gravitational-wave events GW150914, GW151012, GW151226, GW170104, GW170608, GW170814, and GW170817 at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Cummings, JP, Dalager, O, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dove, J, Dvořák, M, Dwyer, DA, Gallo, JP, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Langford, TJ, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, F, Li, JJ, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Lu, C, Lu, HQ, Lu, JS, Luk, KB, Ma, XB, Ma, XY, Ma, YQ, Marshall, C, Martinez Caicedo, DA, McDonald, KT, McKeown, RD, and Meng, Y

Subjects
gravitational waves, electron-antineutrinos, fluence, upper limit, astro-ph.HE, hep-ex, physics.ins-det, Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

The establishment of a possible connection between neutrino emission and gravitational-wave (GW) bursts is important to our understanding of the physical processes that occur when black holes or neutron stars merge. In the Daya Bay experiment, using the data collected from December 2011 to August 2017, a search was performed for electron-Antineutrino signals that coincided with detected GW events, including GW150914, GW151012, GW151226, GW170104, GW170608, GW170814, and GW170817. We used three time windows of 10, 500, and 1000 s relative to the occurrence of the GW events and a neutrino energy range of 1.8 to 100 MeV to search for correlated neutrino candidates. The detected electron-Antineutrino candidates were consistent with the expected background rates for all the three time windows. Assuming monochromatic spectra, we found upper limits (90% confidence level) of the electron-Antineutrino fluence of (1.13-2.44)×1011 cm-2 at 5 MeV to 8.0×107 cm-2 at 100 MeV for the three time windows. Under the assumption of a Fermi-Dirac spectrum, the upper limits were found to be (5.4-7.0)×109 cm-2 for the three time windows.

Published
2021

3. Antineutrino Energy Spectrum Unfolding Based on the Daya Bay Measurement and Its Applications

Author

collaboration, Daya Bay, An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Cummings, JP, Dalager, O, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dove, J, Dvorak, M, Dwyer, DA, Gallo, JP, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Langford, TJ, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, F, Li, JJ, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Lu, C, Lu, HQ, Lu, JS, Luk, KB, Ma, XB, Ma, XY, Ma, YQ, Marshall, C, Caicedo, DA Martinez, McDonald, KT, and McKeown, RD

Subjects
hep-ex, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics, Atomic, molecular and optical physics, Particle and high energy physics
Abstract

The prediction of reactor antineutrino spectra will play a crucial role asreactor experiments enter the precision era. The positron energy spectrum of3.5 million antineutrino inverse beta decay reactions observed by the Daya Bayexperiment, in combination with the fission rates of fissile isotopes in thereactor, is used to extract the positron energy spectra resulting from thefission of specific isotopes. This information can be used to produce aprecise, data-based prediction of the antineutrino energy spectrum in otherreactor antineutrino experiments with different fission fractions than DayaBay. The positron energy spectra are unfolded to obtain the antineutrino energyspectra by removing the contribution from detector response with the Wiener-SVDunfolding method. Consistent results are obtained with other unfolding methods.A technique to construct a data-based prediction of the reactor antineutrinoenergy spectrum is proposed and investigated. Given the reactor fissionfractions, the technique can predict the energy spectrum to a 2% precision. Inaddition, we illustrate how to perform a rigorous comparison between theunfolded antineutrino spectrum and a theoretical model prediction that avoidsthe input model bias of the unfolding method.

Published
2021

4. Optimization of the JUNO liquid scintillator composition using a Daya Bay antineutrino detector

Author

Abusleme, A, Adam, T, Ahmad, S, Aiello, S, Akram, M, Ali, N, An, FP, An, GP, An, Q, Andronico, G, Anfimov, N, Antonelli, V, Antoshkina, T, Asavapibhop, B, de André, JPAM, Babic, A, Balantekin, AB, Baldini, W, Baldoncini, M, Band, HR, Barresi, A, Baussan, E, Bellato, M, Bernieri, E, Biare, D, Birkenfeld, T, Bishai, M, Blin, S, Blum, D, Blyth, S, Bordereau, C, Brigatti, A, Brugnera, R, Budano, A, Burgbacher, P, Buscemi, M, Bussino, S, Busto, J, Butorov, I, Cabrera, A, Cai, H, Cai, X, Cai, YK, Cai, ZY, Cammi, A, Campeny, A, Cao, CY, Cao, GF, Cao, J, Caruso, R, Cerna, C, Chang, JF, Chang, Y, Chen, HS, Chen, PA, Chen, PP, Chen, SM, Chen, SJ, Chen, XR, Chen, YW, Chen, YX, Chen, Y, Chen, Z, Cheng, J, Cheng, YP, Cheng, ZK, Chepurnov, A, Cherwinka, JJ, Chiarello, F, Chiesa, D, Chimenti, P, Chu, MC, Chukanov, A, Chuvashova, A, Clementi, C, Clerbaux, B, Di Lorenzo, S Conforti, Corti, D, Costa, S, Dal Corso, F, Cummings, JP, Dalager, O, De La Taille, C, Deng, FS, Deng, JW, Deng, Z, Deng, ZY, Depnering, W, Diaz, M, Ding, XF, Ding, YY, Dirgantara, B, Dmitrievsky, S, Diwan, MV, Dohnal, T, Donchenko, G, Dong, JM, Dornic, D, Doroshkevich, E, and Dove, J

Subjects
Nuclear and Plasma Physics, Physical Sciences, Neutrino, Liquid scintillator, Light yield, physics.ins-det, hep-ex, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Other Physical Sciences, Nuclear & Particles Physics, Nuclear and plasma physics
Abstract

To maximize the light yield of the liquid scintillator (LS) for the Jiangmen Underground Neutrino Observatory (JUNO), a 20 t LS sample was produced in a pilot plant at Daya Bay. The optical properties of the new LS in various compositions were studied by replacing the gadolinium-loaded LS in one antineutrino detector. The concentrations of the fluor, PPO, and the wavelength shifter, bis-MSB, were increased in 12 steps from 0.5 g/L and

Published
2021

5. Improved Constraints on Sterile Neutrino Mixing from Disappearance Searches in the MINOS, MINOS+, Daya Bay, and Bugey-3 Experiments

Author

Adamson, P, An, FP, Anghel, I, Aurisano, A, Balantekin, AB, Band, HR, Barr, G, Bishai, M, Blake, A, Blyth, S, Cao, GF, Cao, J, Cao, SV, Carroll, TJ, Castromonte, CM, Chang, JF, Chang, Y, Chen, HS, Chen, R, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Childress, S, Chu, MC, Chukanov, A, Coelho, JAB, Cummings, JP, Dash, N, De Rijck, S, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dolzhikov, D, Dove, J, Dvořák, M, Dwyer, DA, Evans, JJ, Feldman, GJ, Flanagan, W, Gabrielyan, M, Gallo, JP, Germani, S, Gomes, RA, Gonchar, M, Gong, GH, Gong, H, Gouffon, P, Graf, N, Grzelak, K, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Habig, A, Hackenburg, RW, Hahn, SR, Hans, S, Hartnell, J, Hatcher, R, He, M, Heeger, KM, Heng, YK, Higuera, A, Holin, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, J, Huang, XT, Huang, YB, Huber, P, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Koerner, LW, Kohn, S, Kordosky, M, Kramer, M, Kreymer, A, Lang, K, Langford, TJ, Lee, J, Lee, JHC, Lei, RT, and Leitner, R

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, Daya Bay Collaboration, MINOS+ Collaboration, hep-ex, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

Searches for electron antineutrino, muon neutrino, and muon antineutrino disappearance driven by sterile neutrino mixing have been carried out by the Daya Bay and MINOS+ collaborations. This Letter presents the combined results of these searches, along with exclusion results from the Bugey-3 reactor experiment, framed in a minimally extended four-neutrino scenario. Significantly improved constraints on the θ_{μe} mixing angle are derived that constitute the most constraining limits to date over five orders of magnitude in the mass-squared splitting Δm_{41}^{2}, excluding the 90% C.L. sterile-neutrino parameter space allowed by the LSND and MiniBooNE observations at 90% CL_{s} for Δm_{41}^{2}

Published
2020

6. A high precision calibration of the nonlinear energy response at Daya Bay

Author

Adey, D, An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Dash, N, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dove, J, Dvořák, M, Dwyer, DA, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Jaffe, DE, Jen, KL, Jetter, S, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Koerner, LW, Kohn, S, Kramer, M, Langford, TJ, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, F, Li, HL, Li, QJ, Li, S, Li, SC, Li, SJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Lin, SK, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Liu, Y, Liu, YH, Lu, C, and Lu, HQ

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, Affordable and Clean Energy, Neutrino, Liquid scintillator, Energy calibration, Daya Bay, physics.ins-det, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Other Physical Sciences, Nuclear & Particles Physics, Nuclear and plasma physics
Abstract

A high precision calibration of the nonlinearity in the energy response of the Daya Bay Reactor Neutrino Experiment's antineutrino detectors is presented in detail. The energy nonlinearity originates from the particle-dependent light yield of the scintillator and charge-dependent electronics response. The nonlinearity model is constrained by γ calibration points from deployed and naturally occurring radioactive sources, the β spectrum from 12B decays, and a direct measurement of the electronics nonlinearity with a new flash analog-to-digital converter readout system. Less than 0.5% uncertainty in the energy nonlinearity calibration is achieved for positrons of kinetic energies greater than 1 MeV.

Published
2019

7. Extraction of the U235 and Pu239 Antineutrino Spectra at Daya Bay

Author

Adey, D, An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Dash, N, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dove, J, Dvořák, M, Dwyer, DA, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Koerner, LW, Kohn, S, Kramer, M, Langford, TJ, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, F, Li, HL, Li, QJ, Li, S, Li, SC, Li, SJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Liu, Y, Liu, YH, Lu, C, Lu, HQ, Lu, JS, Luk, KB, and B., X

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, Daya Bay Collaboration, hep-ex, physics.ins-det, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

This Letter reports the first extraction of individual antineutrino spectra from ^{235}U and ^{239}Pu fission and an improved measurement of the prompt energy spectrum of reactor antineutrinos at Daya Bay. The analysis uses 3.5×10^{6} inverse beta-decay candidates in four near antineutrino detectors in 1958 days. The individual antineutrino spectra of the two dominant isotopes, ^{235}U and ^{239}Pu, are extracted using the evolution of the prompt spectrum as a function of the isotope fission fractions. In the energy window of 4-6 MeV, a 7% (9%) excess of events is observed for the ^{235}U (^{239}Pu) spectrum compared with the normalized Huber-Mueller model prediction. The significance of discrepancy is 4.0σ for ^{235}U spectral shape compared with the Huber-Mueller model prediction. The shape of the measured inverse beta-decay prompt energy spectrum disagrees with the prediction of the Huber-Mueller model at 5.3σ. In the energy range of 4-6 MeV, a maximal local discrepancy of 6.3σ is observed.

Published
2019

8. Improved measurement of the reactor antineutrino flux at Daya Bay

Author

Adey, D, An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chan, YL, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Deng, FS, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hsiung, YB, Hu, BZ, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Koerner, LW, Kohn, S, Kramer, M, Langford, TJ, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, F, Li, HL, Li, QJ, Li, S, Li, SC, Li, SJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Lin, SK, Lin, YC, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Liu, Y, Liu, YH, Loh, CW, Lu, C, and Lu, HQ

Subjects
hep-ex, physics.ins-det, Digestive Diseases
Abstract

This work reports a precise measurement of the reactor antineutrino flux using 2.2 million inverse beta decay (IBD) events collected with the Daya Bay near detectors in 1230 days. The dominant uncertainty on the neutron detection efficiency is reduced by 56% with respect to the previous measurement through a comprehensive neutron calibration and detailed data and simulation analysis. The new average IBD yield is determined to be (5.91±0.09)×10-43 cm2/fission with total uncertainty improved by 29%. The corresponding mean fission fractions from the four main fission isotopes U235, U238, Pu239, and Pu241 are 0.564, 0.076, 0.304, and 0.056, respectively. The ratio of measured to predicted antineutrino yield is found to be 0.952±0.014±0.023 (1.001±0.015±0.027) for the Huber-Mueller (ILL-Vogel) model, where the first and second uncertainty are experimental and theoretical model uncertainty, respectively. This measurement confirms the discrepancy between the world average of reactor antineutrino flux and the Huber-Mueller model.

Published
2019

9. Extraction of the ^{235}U and ^{239}Pu Antineutrino Spectra at Daya Bay.

Author

Adey, D, An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Dash, N, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dove, J, Dvořák, M, Dwyer, DA, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Koerner, LW, Kohn, S, Kramer, M, Langford, TJ, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, F, Li, HL, Li, QJ, Li, S, Li, SC, Li, SJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Liu, Y, Liu, YH, Lu, C, Lu, HQ, Lu, JS, Luk, KB, and Ma, XB

Subjects
Daya Bay Collaboration, hep-ex, physics.ins-det, General Physics, Mathematical Sciences, Physical Sciences, Engineering
Abstract

This Letter reports the first extraction of individual antineutrino spectra from ^{235}U and ^{239}Pu fission and an improved measurement of the prompt energy spectrum of reactor antineutrinos at Daya Bay. The analysis uses 3.5×10^{6} inverse beta-decay candidates in four near antineutrino detectors in 1958 days. The individual antineutrino spectra of the two dominant isotopes, ^{235}U and ^{239}Pu, are extracted using the evolution of the prompt spectrum as a function of the isotope fission fractions. In the energy window of 4-6 MeV, a 7% (9%) excess of events is observed for the ^{235}U (^{239}Pu) spectrum compared with the normalized Huber-Mueller model prediction. The significance of discrepancy is 4.0σ for ^{235}U spectral shape compared with the Huber-Mueller model prediction. The shape of the measured inverse beta-decay prompt energy spectrum disagrees with the prediction of the Huber-Mueller model at 5.3σ. In the energy range of 4-6 MeV, a maximal local discrepancy of 6.3σ is observed.

Published
2019

10. Response to Comment on Daya Bay's definition and use of Delta(m^2_ee)

Author

Collaboration, The Day Bay, Adey, D, An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Dash, N, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dove, J, Dvorak, M, Dwyer, DA, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Koerner, LW, Kohn, S, Kramer, M, Langford, TJ, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, F, Li, HL, Li, QJ, Li, S, Li, SC, Li, SJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Lin, SK, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Liu, Y, Liu, YH, Lu, C, Lu, HQ, and Lu, JS

Subjects
hep-ex
Abstract

The Daya Bay Collaboration responds to comments posted by S. Parke and R.Zukanovich Funchal regarding our use of Delta(m^2_ee).

Published
2019

11. Measurement of the Electron Antineutrino Oscillation with 1958 Days of Operation at Daya Bay

Author

Adey, D, An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chan, YL, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Deng, FS, Ding, YY, Diwan, MV, Dolgareva, M, Dwyer, DA, Edwards, WR, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Koerner, LW, Kohn, S, Kramer, M, Langford, TJ, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, F, Li, HL, Li, QJ, Li, S, Li, SC, Li, SJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Lin, SK, Lin, Y-C, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Liu, Y, Liu, YH, Loh, CW, Lu, C, and Lu, HQ

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, Daya Bay Collaboration, hep-ex, physics.ins-det, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

We report a measurement of electron antineutrino oscillation from the Daya Bay Reactor Neutrino Experiment with nearly 4 million reactor ν[over ¯]_{e} inverse β decay candidates observed over 1958 days of data collection. The installation of a flash analog-to-digital converter readout system and a special calibration campaign using different source enclosures reduce uncertainties in the absolute energy calibration to less than 0.5% for visible energies larger than 2 MeV. The uncertainty in the cosmogenic ^{9}Li and ^{8}He background is reduced from 45% to 30% in the near detectors. A detailed investigation of the spent nuclear fuel history improves its uncertainty from 100% to 30%. Analysis of the relative ν[over ¯]_{e} rates and energy spectra among detectors yields sin^{2}2θ_{13}=0.0856±0.0029 and Δm_{32}^{2}=(2.471_{-0.070}^{+0.068})×10^{-3}  eV^{2} assuming the normal hierarchy, and Δm_{32}^{2}=-(2.575_{-0.070}^{+0.068})×10^{-3}  eV^{2} assuming the inverted hierarchy.

Published
2018

12. Search for a time-varying electron antineutrino signal at Daya Bay

Author

Adey, D, An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Dash, N, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dove, J, Dvořák, M, Dwyer, DA, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Koerner, LW, Kohn, S, Kramer, M, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, F, Li, HL, Li, QJ, Li, S, Li, SC, Li, SJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Lin, Y-C, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Liu, Y, Liu, YH, Lu, C, Lu, HQ, and Lu, JS

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, hep-ex, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics, Mathematical physics, Astronomical sciences, Particle and high energy physics
Abstract

A search for a time-varying νe signal was performed with 621 days of data acquired by the Daya Bay Reactor Neutrino Experiment over 704 calendar days. The time spectrum of the measured νe flux normalized to its prediction was analyzed with a Lomb-Scargle periodogram, which yielded no significant signal for periods ranging from 2 hours to nearly 2 years. The normalized time spectrum was also fit for a sidereal modulation under the Standard Model Extension (SME) framework to search for Lorentz and CPT violation (LV-CPTV). Limits were obtained for all six flavor pairs ēμ,ēτ, μτ, ēē,μμ and ττ by fitting them one at a time, constituting the first experimental constraints on the latter three. Daya Bay's high statistics and unique layout of multiple directions from three pairs of reactors to three experimental halls allowed the simultaneous constraint of individual SME LV-CPTV coefficients without assuming others contribute negligibly, a first for a neutrino experiment.

Published
2018

13. Cosmogenic neutron production at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chan, YL, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hsiung, YB, Hu, BZ, Hu, T, Huang, HX, Huang, XT, Huang, YB, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Jiao, JB, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Khan, A, Koerner, LW, Kohn, S, Kramer, M, Kwok, MW, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, DJ, Li, F, Li, GS, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Lin, SK, Lin, Y-C, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Loh, CW, and Lu, C

Subjects
hep-ex, physics.ins-det
Abstract

Neutrons produced by cosmic ray muons are an important background forunderground experiments studying neutrino oscillations, neutrinoless doublebeta decay, dark matter, and other rare-event signals. A measurement of theneutron yield in the three different experimental halls of the Daya Bay ReactorNeutrino Experiment at varying depth is reported. The neutron yield in DayaBay's liquid scintillator is measured to be $Y_n=(10.26\pm 0.86)\times10^{-5}$, $(10.22\pm 0.87)\times 10^{-5}$, and $(17.03\pm 1.22)\times10^{-5}~\mu^{-1}~$g$^{-1}~$cm$^2$ at depths of 250, 265, and 860meters-water-equivalent. These results are compared to other measurements andthe simulated neutron yield in Fluka and Geant4. A global fit including theDaya Bay measurements yields a power law coefficient of $0.77 \pm 0.03$ for thedependence of the neutron yield on muon energy.

Published
2018

14. Seasonal variation of the underground cosmic muon flux observed at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chan, YL, Chang, JF, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hsiung, YB, Hu, BZ, Hu, T, Huang, EC, Huang, HX, Huang, XT, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Khan, A, Kohn, S, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Li, C, Li, DJ, Li, F, Li, GS, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Lin, SK, Lin, Y-C, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JL, and Liu, JC

Subjects
Particle and High Energy Physics, Physical Sciences, cosmic ray experiments, neutrino detectors, neutrino experiments, physics.ins-det, hep-ex, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics, Astronomical sciences, Particle and high energy physics
Abstract

The Daya Bay Experiment consists of eight identically designed detectors located in three underground experimental halls named as EH1, EH2, EH3, with 250, 265 and 860 meters of water equivalent vertical overburden, respectively. Cosmic muon events have been recorded over a two-year period. The underground muon rate is observed to be positively correlated with the effective atmospheric temperature and to follow a seasonal modulation pattern. The correlation coefficient α, describing how a variation in the muon rate relates to a variation in the effective atmospheric temperature, is found to be αEH1 = 0.362±0.031, αEH2 = 0.433±0.038 and αEH3 = 0.641±0.057 for each experimental hall.

Published
2018

15. Study of the wave packet treatment of neutrino oscillation at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Cen, WR, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, J-H, Cheng, J, Cheng, YP, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, de Arcos, J, Deng, ZY, Ding, XF, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guan, MY, Guo, L, Guo, XH, Guo, Z, Hackenburg, RW, Han, R, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, XT, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Jones, D, Joshi, J, Kettell, SH, Kohn, S, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Li, C, Li, DJ, Li, F, Li, GS, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, and Lin, S

Subjects
hep-ex, hep-ph, Nuclear & Particles Physics, Quantum Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

The disappearance of reactor $\bar{\nu}_e$ observed by the Daya Bayexperiment is examined in the framework of a model in which the neutrino isdescribed by a wave packet with a relative intrinsic momentum dispersion$\sigma_\text{rel}$. Three pairs of nuclear reactors and eight antineutrinodetectors, each with good energy resolution, distributed among threeexperimental halls, supply a high-statistics sample of $\bar{\nu}_e$ acquiredat nine different baselines. This provides a unique platform to test theeffects which arise from the wave packet treatment of neutrino oscillation. Themodified survival probability formula was used to fit Daya Bay data, providingthe first experimental limits: $2.38 \cdot 10^{-17} < \sigma_{\rm rel} < 0.23$.Treating the dimensions of the reactor cores and detectors as constraints, thelimits are improved: $10^{-14} \lesssim \sigma_{\rm rel} < 0.23$, and an upperlimit of $\sigma_{\rm rel}

Published
2017

16. Evolution of the Reactor Antineutrino Flux and Spectrum at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Chan, YL, Chang, JF, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hsiung, YB, Hu, BZ, Hu, T, Huang, EC, Huang, HX, Huang, XT, Huang, YB, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jen, KL, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Khan, A, Kohn, S, Kramer, M, Kwan, KK, Kwok, MW, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, DJ, Li, F, Li, GS, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Lin, SK, Lin, Y-C, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JL, and Liu, JC

Subjects
Nuclear and Plasma Physics, Synchrotrons and Accelerators, Physical Sciences, Daya Bay Collaboration, hep-ex, nucl-ex, physics.ins-det, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

The Daya Bay experiment has observed correlations between reactor core fuel evolution and changes in the reactor antineutrino flux and energy spectrum. Four antineutrino detectors in two experimental halls were used to identify 2.2 million inverse beta decays (IBDs) over 1230 days spanning multiple fuel cycles for each of six 2.9 GW_{th} reactor cores at the Daya Bay and Ling Ao nuclear power plants. Using detector data spanning effective ^{239}Pu fission fractions F_{239} from 0.25 to 0.35, Daya Bay measures an average IBD yield σ[over ¯]_{f} of (5.90±0.13)×10^{-43}  cm^{2}/fission and a fuel-dependent variation in the IBD yield, dσ_{f}/dF_{239}, of (-1.86±0.18)×10^{-43}  cm^{2}/fission. This observation rejects the hypothesis of a constant antineutrino flux as a function of the ^{239}Pu fission fraction at 10 standard deviations. The variation in IBD yield is found to be energy dependent, rejecting the hypothesis of a constant antineutrino energy spectrum at 5.1 standard deviations. While measurements of the evolution in the IBD spectrum show general agreement with predictions from recent reactor models, the measured evolution in total IBD yield disagrees with recent predictions at 3.1σ. This discrepancy indicates that an overall deficit in the measured flux with respect to predictions does not result from equal fractional deficits from the primary fission isotopes ^{235}U, ^{239}Pu, ^{238}U, and ^{241}Pu. Based on measured IBD yield variations, yields of (6.17±0.17) and (4.27±0.26)×10^{-43}  cm^{2}/fission have been determined for the two dominant fission parent isotopes ^{235}U and ^{239}Pu. A 7.8% discrepancy between the observed and predicted ^{235}U yields suggests that this isotope may be the primary contributor to the reactor antineutrino anomaly.

Published
2017

17. Measurement of electron antineutrino oscillation based on 1230 days of operation of the Daya Bay experiment

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Cen, WR, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, J-H, Cheng, J, Cheng, YP, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, de Arcos, J, Deng, ZY, Ding, XF, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guan, MY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Han, R, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, XT, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Jones, D, Joshi, J, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, DJ, Li, F, Li, GS, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, YF, and Li, ZB

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, Affordable and Clean Energy, hep-ex, nucl-ex, physics.ins-det
Abstract

A measurement of electron antineutrino oscillation by the Daya Bay Reactor Neutrino Experiment is described in detail. Six 2.9-GWth nuclear power reactors of the Daya Bay and Ling Ao nuclear power facilities served as intense sources of νe's. Comparison of the νe rate and energy spectrum measured by antineutrino detectors far from the nuclear reactors (∼1500-1950 m) relative to detectors near the reactors (∼350-600 m) allowed a precise measurement of νe disappearance. More than 2.5 million νe inverse beta-decay interactions were observed, based on the combination of 217 days of operation of six antineutrino detectors (December, 2011-July, 2012) with a subsequent 1013 days using the complete configuration of eight detectors (October, 2012-July, 2015). The νe rate observed at the far detectors relative to the near detectors showed a significant deficit, R=0.949±0.002(stat)±0.002(syst). The energy dependence of νe disappearance showed the distinct variation predicted by neutrino oscillation. Analysis using an approximation for the three-flavor oscillation probability yielded the flavor-mixing angle sin22θ13=0.0841±0.0027(stat)±0.0019(syst) and the effective neutrino mass-squared difference of |Δmee2|=(2.50±0.06(stat)±0.06(syst))×10-3 eV2. Analysis using the exact three-flavor probability found Δm322=(2.45±0.06(stat)±0.06(syst))×10-3 eV2 assuming the normal neutrino mass hierarchy and Δm322=(-2.56±0.06(stat)±0.06(syst))×10-3 eV2 for the inverted hierarchy.

Published
2017

18. Improved measurement of the reactor antineutrino flux and spectrum at Daya Bay**Supported in part by the Ministry of Science and Technology of China, the United States Department of Energy, the Chinese Academy of Sciences, the CAS Center for Excellence in Particle Physics, the National Natural Science Foundation of China, the Guangdong provincial government, the Shenzhen municipal government, the China General Nuclear Power Group, the Research Grants Council of the Hong Kong Special Administrative Region of China, the MOST and MOE in Taiwan, the U.S. National Science Foundation, the Ministry of Education, Youth and Sports of the Czech Republic, the Joint Institute of Nuclear Research in Dubna, Russia, the NSFC-RFBR joint research program, the National Commission for Scientific and Technological Research of Chile

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Cen, WR, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, J-H, Cheng, J, Cheng, YP, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, de Arcos, J, Deng, ZY, Ding, XF, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guan, MY, Guo, L, Guo, RP, Guo, XH, Guo, Z, Hackenburg, RW, Han, R, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, XT, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Jones, D, Joshi, J, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Li, C, Li, DJ, Li, F, Li, GS, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, YF, Li, ZB, and Liang, H

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, antineutrino flux, energy spectrum, reactor, Daya Bay, hep-ex, nucl-ex, physics.ins-det, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics, Atomic, molecular and optical physics, Particle and high energy physics
Abstract

A new measurement of the reactor antineutrino flux and energy spectrum by the Daya Bay reactor neutrino experiment is reported. The antineutrinos were generated by six 2.9 GWth nuclear reactors and detected by eight antineutrino detectors deployed in two near (560 m and 600 m flux-weighted baselines) and one far (1640 m flux-weighted baseline) underground experimental halls. With 621 days of data, more than 1.2 million inverse beta decay (IBD) candidates were detected. The IBD yield in the eight detectors was measured, and the ratio of measured to predicted flux was found to be 0.946±0.020 (0.992±0.021) for the Huber+Mueller (ILL+Vogel) model. A 2.9σ deviation was found in the measured IBD positron energy spectrum compared to the predictions. In particular, an excess of events in the region of 4-6 MeV was found in the measured spectrum, with a local significance of 4.4σ. A reactor antineutrino spectrum weighted by the IBD cross section is extracted for model-independent predictions.

Published
2017

19. Improved Search for a Light Sterile Neutrino with the Full Configuration of the Daya Bay Experiment

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Cen, WR, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, J-H, Cheng, J, Cheng, YP, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, de Arcos, J, Deng, ZY, Ding, XF, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guan, MY, Guo, L, Guo, RP, Guo, XH, Guo, Z, Hackenburg, RW, Han, R, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, XT, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Joshi, J, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, DJ, Li, F, Li, GS, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, YF, Li, ZB, and Liang, H

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, Affordable and Clean Energy, Daya Bay Collaboration, hep-ex, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

This Letter reports an improved search for light sterile neutrino mixing in the electron antineutrino disappearance channel with the full configuration of the Daya Bay Reactor Neutrino Experiment. With an additional 404 days of data collected in eight antineutrino detectors, this search benefits from 3.6 times the statistics available to the previous publication, as well as from improvements in energy calibration and background reduction. A relative comparison of the rate and energy spectrum of reactor antineutrinos in the three experimental halls yields no evidence of sterile neutrino mixing in the 2×10^{-4}≲|Δm_{41}^{2}|≲0.3  eV^{2} mass range. The resulting limits on sin^{2}2θ_{14} are improved by approx imately a factor of 2 over previous results and constitute the most stringent constraints to date in the |Δm_{41}^{2}|≲0.2  eV^{2} region.

Published
2016

20. Limits on Active to Sterile Neutrino Oscillations from Disappearance Searches in the MINOS, Daya Bay, and Bugey-3 Experiments

Author

Adamson, P, An, FP, Anghel, I, Aurisano, A, Balantekin, AB, Band, HR, Barr, G, Bishai, M, Blake, A, Blyth, S, Bock, GJ, Bogert, D, Cao, D, Cao, GF, Cao, J, Cao, SV, Carroll, TJ, Castromonte, CM, Cen, WR, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chen, HS, Chen, QY, Chen, R, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, J-H, Cheng, YP, Cheng, ZK, Cherwinka, JJ, Childress, S, Chu, MC, Chukanov, A, Coelho, JAB, Corwin, L, Cronin-Hennessy, D, Cummings, JP, de Arcos, J, De Rijck, S, Deng, ZY, Devan, AV, Devenish, NE, Ding, XF, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Escobar, CO, Evans, JJ, Falk, E, Feldman, GJ, Flanagan, W, Frohne, MV, Gabrielyan, M, Gallagher, HR, Germani, S, Gill, R, Gomes, RA, Gonchar, M, Gong, GH, Gong, H, Goodman, MC, Gouffon, P, Graf, N, Gran, R, Grassi, M, Grzelak, K, Gu, WQ, Guan, MY, Guo, L, Guo, RP, Guo, XH, Guo, Z, Habig, A, Hackenburg, RW, Hahn, SR, Han, R, Hans, S, Hartnell, J, Hatcher, R, He, M, Heeger, KM, Heng, YK, Higuera, A, Holin, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, J, and Huang, XT

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, Daya Bay Collaboration, MINOS Collaboration, hep-ex, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

Searches for a light sterile neutrino have been performed independently by the MINOS and the Daya Bay experiments using the muon (anti)neutrino and electron antineutrino disappearance channels, respectively. In this Letter, results from both experiments are combined with those from the Bugey-3 reactor neutrino experiment to constrain oscillations into light sterile neutrinos. The three experiments are sensitive to complementary regions of parameter space, enabling the combined analysis to probe regions allowed by the Liquid Scintillator Neutrino Detector (LSND) and MiniBooNE experiments in a minimally extended four-neutrino flavor framework. Stringent limits on sin^{2}2θ_{μe} are set over 6 orders of magnitude in the sterile mass-squared splitting Δm_{41}^{2}. The sterile-neutrino mixing phase space allowed by the LSND and MiniBooNE experiments is excluded for Δm_{41}^{2}

Published
2016

21. New measurement of θ13 via neutron capture on hydrogen at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Cen, WR, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, JH, Cheng, J, Cheng, YP, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, De Arcos, J, Deng, ZY, Ding, XF, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guan, MY, Guo, L, Guo, RP, Guo, XH, Guo, Z, Hackenburg, RW, Han, R, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, XT, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Joshi, J, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, C, Li, DJ, Li, F, Li, GS, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, YF, and Li, ZB

Subjects
hep-ex, physics.ins-det
Abstract

This article reports an improved independent measurement of neutrino mixing angle θ13 at the Daya Bay Reactor Neutrino Experiment. Electron antineutrinos were identified by inverse β-decays with the emitted neutron captured by hydrogen, yielding a data set with principally distinct uncertainties from that with neutrons captured by gadolinium. With the final two of eight antineutrino detectors installed, this study used 621 days of data including the previously reported 217-day data set with six detectors. The dominant statistical uncertainty was reduced by 49%. Intensive studies of the cosmogenic muon-induced Li9 and fast neutron backgrounds and the neutron-capture energy selection efficiency, resulted in a reduction of the systematic uncertainty by 26%. The deficit in the detected number of antineutrinos at the far detectors relative to the expected number based on the near detectors yielded sin22θ13=0.071±0.011 in the three-neutrino-oscillation framework. The combination of this result with the gadolinium-capture result is also reported.

Published
2016

22. The detector system of the Daya Bay reactor neutrino experiment

Author

An, FP, Bai, JZ, Balantekin, AB, Band, HR, Beavis, D, Beriguete, W, Bishai, M, Blyth, S, Brown, RL, Butorov, I, Cao, D, Cao, GF, Cao, J, Carr, R, Cen, WR, Chan, WT, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chasman, C, Chen, HY, Chen, HS, Chen, MJ, Chen, QY, Chen, SJ, Chen, SM, Chen, XC, Chen, XH, Chen, XS, Chen, YX, Chen, Y, Cheng, JH, Cheng, J, Cheng, YP, Cherwinka, JJ, Chidzik, S, Chow, K, Chu, MC, Cummings, JP, de Arcos, J, Deng, ZY, Ding, XF, Ding, YY, Diwan, MV, Dong, L, Dove, J, Draeger, E, Du, XF, Dwyer, DA, Edwards, WR, Ely, SR, Fang, SD, Fu, JY, Fu, ZW, Ge, LQ, Ghazikhanian, V, Gill, R, Goett, J, Gonchar, M, Gong, GH, Gong, H, Gornushkin, YA, Grassi, M, Greenler, LS, Gu, WQ, Guan, MY, Guo, RP, Guo, XH, Hackenburg, RW, Hahn, RL, Han, R, Hans, S, He, M, He, Q, He, WS, Heeger, KM, Heng, YK, Higuera, A, Hinrichs, P, Ho, TH, Hoff, M, Hor, YK, Hsiung, YB, Hu, BZ, Hu, LM, Hu, LJ, Hu, T, Hu, W, Huang, EC, Huang, HZ, Huang, HX, Huang, PW, Huang, X, Huang, XT, Huber, P, Hussain, G, Isvan, Z, Jaffe, DE, and Jaffke, P

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, Neutrino oscillation, Neutrino mixing, Reactor, Daya Bay, physics.ins-det, hep-ex, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Other Physical Sciences, Nuclear & Particles Physics, Nuclear and plasma physics
Abstract

The Daya Bay experiment was the first to report simultaneous measurements of reactor antineutrinos at multiple baselines leading to the discovery of ν¯e oscillations over km-baselines. Subsequent data has provided the world's most precise measurement of sin22θ13 and the effective mass splitting Δmee2. The experiment is located in Daya Bay, China where the cluster of six nuclear reactors is among the world's most prolific sources of electron antineutrinos. Multiple antineutrino detectors are deployed in three underground water pools at different distances from the reactor cores to search for deviations in the antineutrino rate and energy spectrum due to neutrino mixing. Instrumented with photomultiplier tubes, the water pools serve as shielding against natural radioactivity from the surrounding rock and provide efficient muon tagging. Arrays of resistive plate chambers over the top of each pool provide additional muon detection. The antineutrino detectors were specifically designed for measurements of the antineutrino flux with minimal systematic uncertainty. Relative detector efficiencies between the near and far detectors are known to better than 0.2%. With the unblinding of the final two detectors' baselines and target masses, a complete description and comparison of the eight antineutrino detectors can now be presented. This paper describes the Daya Bay detector systems, consisting of eight antineutrino detectors in three instrumented water pools in three underground halls, and their operation through the first year of eight detector data-taking.

Published
2016

23. Measurement of the Reactor Antineutrino Flux and Spectrum at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Butorov, I, Cao, D, Cao, GF, Cao, J, Cen, WR, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, JH, Cheng, J, Cheng, YP, Cherwinka, JJ, Chu, MC, Cummings, JP, de Arcos, J, Deng, ZY, Ding, XF, Ding, YY, Diwan, MV, Dove, J, Draeger, E, Dwyer, DA, Edwards, WR, Ely, SR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guan, MY, Guo, L, Guo, XH, Hackenburg, RW, Han, R, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, LM, Hu, LJ, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, XT, Huber, P, Hussain, G, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lei, RT, Leitner, R, Leung, KY, Leung, JKC, Lewis, CA, Li, DJ, Li, F, Li, GS, Li, QJ, Li, SC, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, and Lin, GL

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, Daya Bay Collaboration, hep-ex, nucl-ex, physics.ins-det, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

This Letter reports a measurement of the flux and energy spectrum of electron antineutrinos from six 2.9 GWth nuclear reactors with six detectors deployed in two near (effective baselines 512 and 561 m) and one far (1579 m) underground experimental halls in the Daya Bay experiment. Using 217 days of data, 296 721 and 41 589 inverse β decay (IBD) candidates were detected in the near and far halls, respectively. The measured IBD yield is (1.55±0.04) ×10(-18)  cm(2) GW(-1) day(-1) or (5.92±0.14) ×10(-43)  cm(2) fission(-1). This flux measurement is consistent with previous short-baseline reactor antineutrino experiments and is 0.946±0.022 (0.991±0.023) relative to the flux predicted with the Huber-Mueller (ILL-Vogel) fissile antineutrino model. The measured IBD positron energy spectrum deviates from both spectral predictions by more than 2σ over the full energy range with a local significance of up to ∼4σ between 4-6 MeV. A reactor antineutrino spectrum of IBD reactions is extracted from the measured positron energy spectrum for model-independent predictions.

Published
2016

24. Background radiation measurements at high power research reactors

Author

Ashenfelter, J, Balantekin, B, Baldenegro, CX, Band, HR, Barclay, G, Bass, CD, Berish, D, Bowden, NS, Bryan, CD, Cherwinka, JJ, Chu, R, Classen, T, Davee, D, Dean, D, Deichert, G, Dolinski, MJ, Dolph, J, Dwyer, DA, Fan, S, Gaison, JK, Galindo-Uribarri, A, Gilje, K, Glenn, A, Green, M, Han, K, Hans, S, Heeger, KM, Heffron, B, Jaffe, DE, Kettell, S, Langford, TJ, Littlejohn, BR, Martinez, D, McKeown, RD, Morrell, S, Mueller, PE, Mumm, HP, Napolitano, J, Norcini, D, Pushin, D, Romero, E, Rosero, R, Saldana, L, Seilhan, BS, Sharma, R, Stemen, NT, Surukuchi, PT, Thompson, SJ, Varner, RL, Wang, W, Watson, SM, White, B, White, C, Wilhelmi, J, Williams, C, Wise, T, Yao, H, Yeh, M, Yen, YR, Zhang, C, and Zhang, X

Subjects
Research reactors, Background measurements, Reactor antineutrino detection, Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Other Physical Sciences, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

Research reactors host a wide range of activities that make use of the intense neutron fluxes generated at these facilities. Recent interest in performing measurements with relatively low event rates, e.g. reactor antineutrino detection, at these facilities necessitates a detailed understanding of background radiation fields. Both reactor-correlated and naturally occurring background sources are potentially important, even at levels well below those of importance for typical activities. Here we describe a comprehensive series of background assessments at three high-power research reactors, including γ-ray, neutron, and muon measurements. For each facility we describe the characteristics and identify the sources of the background fields encountered. The general understanding gained of background production mechanisms and their relationship to facility features will prove valuable for the planning of any sensitive measurement conducted therein.

Published
2016

25. Light collection and pulse-shape discrimination in elongated scintillator cells for the PROSPECT reactor antineutrino experiment

Author

Ashenfelter, J, Balantekin, B, Band, HR, Barclay, G, Bass, CD, Berish, D, Bowden, NS, Bowes, A, Brodsky, JP, Bryan, CD, Cherwinka, JJ, Chu, R, Classen, T, Commeford, K, Davee, D, Dean, D, Deichert, G, Diwan, MV, Dolinski, MJ, Dolph, J, Dwyer, DA, Gaison, JK, Galindo-Uribarri, A, Gilje, K, Glenn, A, Goddard, BW, Green, M, Han, K, Hans, S, Heeger, KM, Heffron, B, Jaffe, DE, Langford, TJ, Littlejohn, BR, Caicedo, DAM, McKeown, RD, Mendenhall, MP, Mueller, P, Mumm, HP, Napolitano, J, Neilson, R, Norcini, D, Pushin, D, Qian, X, Romero, E, Rosero, R, Saldana, L, Seilhan, BS, Sharma, R, Sheets, S, Stemen, NT, Surukuchi, PT, Varner, RL, Viren, B, Wang, W, White, B, White, C, Wilhelmi, J, Williams, C, Wise, T, Yao, H, Yeh, M, Yen, YR, Zangakis, G, Zhang, C, and Zhang, X

Subjects
Neutrino detectors, Particle identification methods, Calorimeters, Nuclear & Particles Physics, Other Physical Sciences, Physical Sciences, Engineering
Abstract

A meter-long, 23-liter EJ-309 liquid scintillator detector has been constructed to study the light collection and pulse-shape discrimination performance of elongated scintillator cells for the PROSPECT reactor antineutrino experiment. The magnitude and uniformity of light collection and neutron-gamma discrimination power in the energy range of antineutrino inverse beta decay products have been studied using gamma and spontaneous fission calibration sources deployed along the cell axis. We also study neutron-gamma discrimination and light collection abilities for differing PMT and reflector configurations. Key design features for optimizing MeV-scale response and background rejection capabilities are identified.

Published
2015

26. First Observation of CP Violation in B¯0→DCP(*)h0 Decays by a Combined Time-Dependent Analysis of BABAR and Belle Data

Author

Abdesselam, A, Adachi, I, Adametz, A, Adye, T, Ahmed, H, Aihara, H, Akar, S, Alam, MS, Albert, J, Al Said, S, Andreassen, R, Angelini, C, Anulli, F, Arinstein, K, Arnaud, N, Asner, DM, Aston, D, Aulchenko, V, Aushev, T, Ayad, R, Babu, V, Badhrees, I, Bahinipati, S, Bakich, AM, Band, HR, Banerjee, Sw, Barberio, E, Bard, DJ, Barlow, RJ, Batignani, G, Beaulieu, A, Bellis, M, Ben-Haim, E, Bernard, D, Bernlochner, FU, Bettarini, S, Bettoni, D, Bevan, AJ, Bhardwaj, V, Bhuyan, B, Bianchi, F, Biasini, M, Biswal, J, Blinov, VE, Bloom, PC, Bobrov, A, Bomben, M, Bondar, A, Bonneaud, GR, Bonvicini, G, Bozek, A, Bozzi, C, Bračko, M, Briand, H, Browder, TE, Brown, DN, Bünger, C, Burchat, PR, Buzykaev, AR, Calabrese, R, Calcaterra, A, Calderini, G, Carpinelli, M, Cartaro, C, Casarosa, G, Cenci, R, Červenkov, D, Chang, P, Chao, DS, Chauveau, J, Cheaib, R, Chekelian, V, Chen, A, Chen, C, Cheng, CH, Cheon, BG, Chilikin, K, Chistov, R, Cho, K, Chobanova, V, Choi, HHF, Choi, S-K, Chrzaszcz, M, Cibinetto, G, Cinabro, D, Cochran, J, Coleman, JP, Contri, R, Convery, MR, Cowan, G, Cowan, R, Cremaldi, L, Dalseno, J, Dasu, S, Davier, M, Davis, CL, De Mori, F, De Nardo, G, and Denig, AG

Subjects
BaBar Collaboration, Belle Collaboration, hep-ex, Mathematical Sciences, Physical Sciences, Engineering, General Physics
Abstract

We report a measurement of the time-dependent CP asymmetry of B[over ¯]^{0}→D_{CP}^{(*)}h^{0} decays, where the light neutral hadron h^{0} is a π^{0}, η, or ω meson, and the neutral D meson is reconstructed in the CP eigenstates K^{+}K^{-}, K_{S}^{0}π^{0}, or K_{S}^{0}ω. The measurement is performed combining the final data samples collected at the ϒ(4S) resonance by the BABAR and Belle experiments at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain (471±3)×10^{6} BB[over ¯] pairs recorded by the BABAR detector and (772±11)×10^{6} BB[over ¯] pairs recorded by the Belle detector. We measure the CP asymmetry parameters -η_{f}S=+0.66±0.10(stat)±0.06(syst) and C=-0.02±0.07(stat)±0.03(syst). These results correspond to the first observation of CP violation in B[over ¯]^{0}→D_{CP}^{(*)}h^{0} decays. The hypothesis of no mixing-induced CP violation is excluded in these decays at the level of 5.4 standard deviations.

Published
2015

27. First Observation of CP Violation in B[over ¯]^{0}→D_{CP}^{(*)}h^{0} Decays by a Combined Time-Dependent Analysis of BABAR and Belle Data.

Author

Abdesselam, A, Adachi, I, Adametz, A, Adye, T, Ahmed, H, Aihara, H, Akar, S, Alam, MS, Albert, J, Al Said, S, Andreassen, R, Angelini, C, Anulli, F, Arinstein, K, Arnaud, N, Asner, DM, Aston, D, Aulchenko, V, Aushev, T, Ayad, R, Babu, V, Badhrees, I, Bahinipati, S, Bakich, AM, Band, HR, Banerjee, Sw, Barberio, E, Bard, DJ, Barlow, RJ, Batignani, G, Beaulieu, A, Bellis, M, Ben-Haim, E, Bernard, D, Bernlochner, FU, Bettarini, S, Bettoni, D, Bevan, AJ, Bhardwaj, V, Bhuyan, B, Bianchi, F, Biasini, M, Biswal, J, Blinov, VE, Bloom, PC, Bobrov, A, Bomben, M, Bondar, A, Bonneaud, GR, Bonvicini, G, Bozek, A, Bozzi, C, Bračko, M, Briand, H, Browder, TE, Brown, DN, Bünger, C, Burchat, PR, Buzykaev, AR, Calabrese, R, Calcaterra, A, Calderini, G, Carpinelli, M, Cartaro, C, Casarosa, G, Cenci, R, Červenkov, D, Chang, P, Chao, DS, Chauveau, J, Cheaib, R, Chekelian, V, Chen, A, Chen, C, Cheng, CH, Cheon, BG, Chilikin, K, Chistov, R, Cho, K, Chobanova, V, Choi, HHF, Choi, S-K, Chrzaszcz, M, Cibinetto, G, Cinabro, D, Cochran, J, Coleman, JP, Contri, R, Convery, MR, Cowan, G, Cowan, R, Cremaldi, L, Dalseno, J, Dasu, S, Davier, M, Davis, CL, De Mori, F, De Nardo, G, and Denig, AG

Subjects
BaBar Collaboration, Belle Collaboration, hep-ex, General Physics, Physical Sciences, Mathematical Sciences, Engineering
Abstract

We report a measurement of the time-dependent CP asymmetry of B[over ¯]^{0}→D_{CP}^{(*)}h^{0} decays, where the light neutral hadron h^{0} is a π^{0}, η, or ω meson, and the neutral D meson is reconstructed in the CP eigenstates K^{+}K^{-}, K_{S}^{0}π^{0}, or K_{S}^{0}ω. The measurement is performed combining the final data samples collected at the ϒ(4S) resonance by the BABAR and Belle experiments at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain (471±3)×10^{6} BB[over ¯] pairs recorded by the BABAR detector and (772±11)×10^{6} BB[over ¯] pairs recorded by the Belle detector. We measure the CP asymmetry parameters -η_{f}S=+0.66±0.10(stat)±0.06(syst) and C=-0.02±0.07(stat)±0.03(syst). These results correspond to the first observation of CP violation in B[over ¯]^{0}→D_{CP}^{(*)}h^{0} decays. The hypothesis of no mixing-induced CP violation is excluded in these decays at the level of 5.4 standard deviations.

Published
2015

28. New Measurement of Antineutrino Oscillation with the Full Detector Configuration at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Butorov, I, Cao, GF, Cao, J, Cen, WR, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, JH, Cheng, J, Cheng, YP, Cherwinka, JJ, Chu, MC, Cummings, JP, de Arcos, J, Deng, ZY, Ding, XF, Ding, YY, Diwan, MV, Draeger, E, Dwyer, DA, Edwards, WR, Ely, SR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guan, MY, Guo, L, Guo, XH, Hackenburg, RW, Han, R, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, LM, Hu, LJ, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, XT, Huber, P, Hussain, G, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Kang, L, Kettell, SH, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lei, RT, Leitner, R, Leung, KY, Leung, JKC, Lewis, CA, Li, DJ, Li, F, Li, GS, Li, QJ, Li, SC, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, PY, Lin, SK, and Ling, JJ

Subjects
Daya Bay Collaboration, hep-ex, nucl-ex, physics.ins-det, Mathematical Sciences, Physical Sciences, Engineering, General Physics
Abstract

We report a new measurement of electron antineutrino disappearance using the fully constructed Daya Bay Reactor Neutrino Experiment. The final two of eight antineutrino detectors were installed in the summer of 2012. Including the 404 days of data collected from October 2012 to November 2013 resulted in a total exposure of 6.9×10^{5} GW_{th}  ton days, a 3.6 times increase over our previous results. Improvements in energy calibration limited variations between detectors to 0.2%. Removal of six ^{241}Am-^{13}C radioactive calibration sources reduced the background by a factor of 2 for the detectors in the experimental hall furthest from the reactors. Direct prediction of the antineutrino signal in the far detectors based on the measurements in the near detectors explicitly minimized the dependence of the measurement on models of reactor antineutrino emission. The uncertainties in our estimates of sin^{2}2θ_{13} and |Δm_{ee}^{2}| were halved as a result of these improvements. An analysis of the relative antineutrino rates and energy spectra between detectors gave sin^{2}2θ_{13}=0.084±0.005 and |Δm_{ee}^{2}|=(2.42±0.11)×10^{-3}  eV^{2} in the three-neutrino framework.

Published
2015

29. The Intermediate Neutrino Program

Author

Adams, C, Alonso, JR, Ankowski, AM, Asaadi, JA, Ashenfelter, J, Axani, SN, Babu, K, Backhouse, C, Band, HR, Barbeau, PS, Barros, N, Bernstein, A, Betancourt, M, Bishai, M, Blucher, E, Bouffard, J, Bowden, N, Brice, S, Bryan, C, Camilleri, L, Cao, J, Carlson, J, Carr, RE, Chatterjee, A, Chen, M, Chen, S, Chiu, M, Church, ED, Collar, JI, Collin, G, Conrad, JM, Convery, MR, Cooper, RL, Cowen, D, Davoudiasl, H, Gouvea, A De, Dean, DJ, Deichert, G, Descamps, F, DeYoung, T, Diwan, MV, Djurcic, Z, Dolinski, MJ, Dolph, J, Donnelly, B, Dwyer, DA, Dytman, S, Efremenko, Y, Everett, LL, Fava, A, Figueroa-Feliciano, E, Fleming, B, Friedland, A, Fujikawa, BK, Gaisser, TK, Galeazzi, M, Galehouse, DC, Galindo-Uribarri, A, Garvey, GT, Gautam, S, Gilje, KE, Gonzalez-Garcia, M, Goodman, MC, Gordon, H, Gramellini, E, Green, MP, Guglielmi, A, Hackenburg, RW, Hackenburg, A, Halzen, F, Han, K, Hans, S, Harris, D, Heeger, KM, Herman, M, Hill, R, Holin, A, Huber, P, Jaffe, DE, Johnson, RA, Joshi, J, Karagiorgi, G, Kaufman, LJ, Kayser, B, Kettell, SH, Kirby, BJ, Klein, JR, Kolomensky, Yu G, Kriske, RM, Lane, CE, Langford, TJ, Lankford, A, Lau, K, Learned, JG, Ling, J, Link, JM, Lissauer, D, Littenberg, L, Littlejohn, BR, and Lockwitz, S

Subjects
hep-ex, nucl-ex, physics.ins-det
Abstract

The US neutrino community gathered at the Workshop on the IntermediateNeutrino Program (WINP) at Brookhaven National Laboratory February 4-6, 2015 toexplore opportunities in neutrino physics over the next five to ten years.Scientists from particle, astroparticle and nuclear physics participated in theworkshop. The workshop examined promising opportunities for neutrino physics inthe intermediate term, including possible new small to mid-scale experiments,US contributions to large experiments, upgrades to existing experiments, R&Dplans and theory. The workshop was organized into two sets of parallel workinggroup sessions, divided by physics topics and technology. Physics workinggroups covered topics on Sterile Neutrinos, Neutrino Mixing, NeutrinoInteractions, Neutrino Properties and Astrophysical Neutrinos. Technologysessions were organized into Theory, Short-Baseline Accelerator Neutrinos,Reactor Neutrinos, Detector R&D and Source, Cyclotron and Meson Decay at Restsessions.This report summarizes discussion and conclusions from the workshop.

Published
2015

30. The muon system of the Daya Bay Reactor antineutrino experiment

Author

An, FP, Balantekin, AB, Band, HR, Beriguete, W, Bishai, M, Blyth, S, Brown, RE, Butorov, I, Cao, GF, Cao, J, Carr, R, Chan, YL, Chang, JF, Chang, L, Chang, Y, Chasman, C, Chen, HS, Chen, HY, Chen, QY, Chen, SJ, Chen, SM, Chen, XC, Chen, XH, Chen, Y, Chen, YX, Cheng, YP, Cherwinka, JJ, Chu, MC, Cummings, JP, Dale, E, De Arcos, J, Deng, ZY, Ding, YY, Diwan, MV, Draeger, E, Du, XF, Dwyer, DA, Edwards, WR, Ely, SR, Fu, JY, Ge, LQ, Gill, R, Goett, J, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guan, MY, Guo, XH, Hackenburg, RW, Han, GH, Hans, S, He, M, He, Q, Heeger, KM, Heng, YK, Hinrichs, P, Hor, YK, Hsiung, YB, Hu, BZ, Hu, LJ, Hu, LM, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, HZ, Huang, XT, Huber, P, Hussain, G, Isvan, Z, Jaffe, DE, Jaffke, P, Jetter, S, Ji, XL, Ji, XP, Jiang, HJ, Jiao, JB, Johnson, RA, Kang, L, Kebwaro, JM, Kettell, SH, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Lai, WC, Lai, WH, Lau, K, Lebanowski, L, Lee, J, Lei, RT, Leitner, R, Leung, A, Leung, JKC, Lewis, CA, Li, DJ, Li, F, Li, GS, and Li, QJ

Subjects
Neutrinos, Water shield, Cosmic ray, Muons, Underground, Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Other Physical Sciences
Abstract

The Daya Bay experiment consists of functionally identical antineutrino detectors immersed in pools of ultrapure water in three well-separated underground experimental halls near two nuclear reactor complexes. These pools serve both as shields against natural, low-energy radiation, and as water Cherenkov detectors that efficiently detect cosmic muons using arrays of photomultiplier tubes. Each pool is covered by a plane of resistive plate chambers as an additional means of detecting muons. Design, construction, operation, and performance of these muon detectors are described.

Published
2015

31. Independent measurement of the neutrino mixing angle theta(13) via neutron capture on hydrogen at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Beriguete, W, Bishai, M, Blyth, S, Butorov, I, Cao, GF, Cao, J, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chasman, C, Chen, H, Chen, QY, Chen, SM, Chen, X, Chen, YX, Chen, Y, Cheng, YP, Cherwinka, JJ, Chu, MC, Cummings, JP, de Arcos, J, Deng, ZY, Ding, YY, Diwan, MV, Draeger, E, Du, XF, Dwyer, DA, Edwards, WR, Ely, SR, Fu, JY, Ge, LQ, Gill, R, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guan, MY, Guo, XH, Hackenburg, RW, Han, GH, Hans, S, He, M, Heeger, M, Heng, YK, Hinrichs, P, Hor, YK, Hsiung, YB, Hu, BZ, Hu, LM, Hu, LJ, Hu, T, Hu, W, Huang, EC, Huang, H, Huang, XT, Huber, P, Hussain, G, Isvan, Z, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiang, HJ, Jiao, JB, Johnson, RA, Kang, L, Kettell, SH, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Lai, WC, Lau, K, Lebanowski, L, Lee, J, Lei, RT, Leitner, R, Leung, A, Leung, JKC, Lewis, CA, Li, DJ, Li, F, Li, GS, Li, QJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, and Lin, PY

Subjects
hep-ex, physics.ins-det, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract

A new measurement of the $\theta_{13}$ mixing angle has been obtained at theDaya Bay Reactor Neutrino Experiment via the detection of inverse beta decaystagged by neutron capture on hydrogen. The antineutrino events for hydrogencapture are distinct from those for gadolinium capture with largely differentsystematic uncertainties, allowing a determination independent of thegadolinium-capture result and an improvement on the precision of $\theta_{13}$measurement. With a 217-day antineutrino data set obtained with sixantineutrino detectors and from six 2.9 GW$_{th}$ reactors, the rate deficitobserved at the far hall is interpreted as $\sin^22\theta_{13}=0.083\pm0.018$in the three-flavor oscillation model. When combined with thegadolinium-capture result from Daya Bay, we obtain$\sin^22\theta_{13}=0.089\pm0.008$ as the final result for thesix-antineutrino-detector configuration of the Daya Bay experiment.

Published
2014

32. Independent measurement of the neutrino mixing angle θ13 via neutron capture on hydrogen at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Beriguete, W, Bishai, M, Blyth, S, Butorov, I, Cao, GF, Cao, J, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chasman, C, Chen, H, Chen, QY, Chen, SM, Chen, X, Chen, YX, Chen, Y, Cheng, YP, Cherwinka, JJ, Chu, MC, Cummings, JP, de Arcos, J, Deng, ZY, Ding, YY, Diwan, MV, Draeger, E, Du, XF, Dwyer, DA, Edwards, WR, Ely, SR, Fu, JY, Ge, LQ, Gill, R, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guan, MY, Guo, XH, Hackenburg, RW, Han, GH, Hans, S, He, M, Heeger, KM, Heng, YK, Hinrichs, P, Hor, YK, Hsiung, YB, Hu, BZ, Hu, LM, Hu, LJ, Hu, T, Hu, W, Huang, EC, Huang, H, Huang, XT, Huber, P, Hussain, G, Isvan, Z, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiang, HJ, Jiao, JB, Johnson, RA, Kang, L, Kettell, SH, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Lai, WC, Lau, K, Lebanowski, L, Lee, J, Lei, RT, Leitner, R, Leung, A, Leung, JKC, Lewis, CA, Li, DJ, Li, F, Li, GS, Li, QJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, and Lin, PY

Subjects
hep-ex, physics.ins-det, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract

A new measurement of the $\theta_{13}$ mixing angle has been obtained at theDaya Bay Reactor Neutrino Experiment via the detection of inverse beta decaystagged by neutron capture on hydrogen. The antineutrino events for hydrogencapture are distinct from those for gadolinium capture with largely differentsystematic uncertainties, allowing a determination independent of thegadolinium-capture result and an improvement on the precision of $\theta_{13}$measurement. With a 217-day antineutrino data set obtained with sixantineutrino detectors and from six 2.9 GW$_{th}$ reactors, the rate deficitobserved at the far hall is interpreted as $\sin^22\theta_{13}=0.083\pm0.018$in the three-flavor oscillation model. When combined with thegadolinium-capture result from Daya Bay, we obtain$\sin^22\theta_{13}=0.089\pm0.008$ as the final result for thesix-antineutrino-detector configuration of the Daya Bay experiment.

Published
2014

33. Search for a light sterile neutrino at Daya Bay.

Author

An, FP, Balantekin, AB, Band, HR, Beriguete, W, Bishai, M, Blyth, S, Butorov, I, Cao, GF, Cao, J, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chasman, C, Chen, H, Chen, QY, Chen, SM, Chen, X, Chen, YX, Chen, Y, Cheng, YP, Cherwinka, JJ, Chu, MC, Cummings, JP, de Arcos, J, Deng, ZY, Ding, YY, Diwan, MV, Draeger, E, Du, XF, Dwyer, DA, Edwards, WR, Ely, SR, Fu, JY, Ge, LQ, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guan, MY, Guo, XH, Hackenburg, RW, Han, GH, Hans, S, He, M, Heeger, KM, Heng, YK, Hinrichs, P, Hor, YK, Hsiung, YB, Hu, BZ, Hu, LM, Hu, LJ, Hu, T, Hu, W, Huang, EC, Huang, H, Huang, XT, Huber, P, Hussain, G, Isvan, Z, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiang, HJ, Jiao, JB, Johnson, RA, Kang, L, Kettell, SH, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Lai, WC, Lau, K, Lebanowski, L, Lee, J, Lei, RT, Leitner, R, Leung, A, Leung, JKC, Lewis, CA, Li, DJ, Li, F, Li, GS, Li, QJ, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, and Lin, GL

Subjects
Daya Bay Collaboration, hep-ex, Mathematical Sciences, Physical Sciences, Engineering, General Physics
Abstract

A search for light sterile neutrino mixing was performed with the first 217 days of data from the Daya Bay Reactor Antineutrino Experiment. The experiment's unique configuration of multiple baselines from six 2.9 GW(th) nuclear reactors to six antineutrino detectors deployed in two near (effective baselines 512 m and 561 m) and one far (1579 m) underground experimental halls makes it possible to test for oscillations to a fourth (sterile) neutrino in the 10(-3) eV(2)

Published
2014

34. Review of particle physics

Author

Olive, KA, Agashe, K, Amsler, C, Antonelli, M, Arguin, JF, Asner, DM, Baer, H, Band, HR, Barnett, RM, Basaglia, T, Bauer, CW, Beatty, JJ, Belousov, VL, Beringer, J, Bernardi, G, Bethke, S, Bichsel, H, Biebel, O, Blucher, E, Blusk, S, Brooijmans, G, Buchmueller, O, Burkert, V, Bychkov, MA, Cahn, RN, Carena, M, Ceccucci, A, Cerri, A, Chakraborty, D, Chen, MC, Chivukula, RS, Copie, K, Cowan, G, Dahl, O, D'Ambrosio, G, Damour, T, De Florian, D, De Gouvéa, A, DeGrand, T, De Jong, P, Dissertori, G, Dobrescu, BA, Doser, M, Drees, M, Dreiner, HK, Edwards, DA, Eidelman, S, Erler, J, Ezhela, VV, Fetscher, W, Fields, BD, Foster, B, Freitas, A, Gaisser, TK, Gallagher, H, Garren, L, Gerber, HJ, Gerbier, G, Gershon, T, Gherghetta, T, Golwala, S, Goodman, M, Grab, C, Gritsan, AV, Grojean, C, Groom, DE, Grünewald, M, Gurtu, A, Gutsche, T, Haber, HE, Hagiwara, K, Hanhart, C, Hashimoto, S, Hayato, Y, Hayes, KG, Heffner, M, Heltsley, B, Hernández-Rey, JJ, Hikasa, K, Höcker, A, Holder, J, Holtkamp, A, Huston, J, Jackson, JD, Johnson, KF, Junk, T, Kado, M, Karlen, D, Katz, UF, Klein, SR, Klempt, E, Kowalewski, RV, Krauss, F, Kreps, M, Krusche, B, Kuyanov, YV, Kwon, Y, Lahav, O, Laiho, J, and Langacker, P

Subjects
Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

The Review summarizes much of particle physics and cosmology. Using data from previous editions, plus 3,283 new measurements from 899 papers, we list, evaluate, and average measured properties of gauge bosons and the recently discovered Higgs boson, leptons, quarks, mesons, and baryons. We summarize searches for hypothetical particles such as heavy neutrinos, supersymmetric and technicolor particles, axions, dark photons, etc. All the particle properties and search limits are listed in Summary Tables. We also give numerous tables, figures, formulae, and reviews of topics such as Supersymmetry, Extra Dimensions, Particle Detectors, Probability, and Statistics. Among the 112 reviews are many that are new or heavily revised including those on: Dark Energy, Higgs Boson Physics, Electroweak Model, Neutrino Cross Section Measurements, Monte Carlo Neutrino Generators, Top Quark, Dark Matter, Dynamical Electroweak Symmetry Breaking, Accelerator Physics of Colliders, High-Energy Collider Parameters, Big Bang Nucleosynthesis, Astrophysical Constants and Cosmological Parameters. A booklet is available containing the Summary Tables and abbreviated versions of some of the other sections of this full Review. All tables, listings, and reviews (and errata) are also available on the Particle Data Group website: http://pdg.Ibi.gov.

Published
2014

35. Spectral measurement of electron antineutrino oscillation amplitude and frequency at Daya Bay.

Author

An, FP, Balantekin, AB, Band, HR, Beriguete, W, Bishai, M, Blyth, S, Brown, RL, Butorov, I, Cao, GF, Cao, J, Carr, R, Chan, YL, Chang, JF, Chang, Y, Chasman, C, Chen, HS, Chen, HY, Chen, SJ, Chen, SM, Chen, XC, Chen, XH, Chen, Y, Chen, YX, Cheng, YP, Cherwinka, JJ, Chu, MC, Cummings, JP, de Arcos, J, Deng, ZY, Ding, YY, Diwan, MV, Draeger, E, Du, XF, Dwyer, DA, Edwards, WR, Ely, SR, Fu, JY, Ge, LQ, Gill, R, Gonchar, M, Gong, GH, Gong, H, Gornushkin, YA, Gu, WQ, Guan, MY, Guo, XH, Hackenburg, RW, Hahn, RL, Han, GH, Hans, S, He, M, Heeger, KM, Heng, YK, Hinrichs, P, Hor, Yk, Hsiung, YB, Hu, BZ, Hu, LJ, Hu, LM, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, HZ, Huang, XT, Huber, P, Hussain, G, Isvan, Z, Jaffe, DE, Jaffke, P, Jetter, S, Ji, XL, Ji, XP, Jiang, HJ, Jiao, JB, Johnson, RA, Kang, L, Kettell, SH, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Lai, WC, Lai, WH, Lau, K, Lebanowski, L, Lee, J, Lei, RT, Leitner, R, Leung, A, Leung, JKC, Lewis, CA, Li, DJ, Li, F, Li, GS, Li, QJ, Li, WD, Li, XN, Li, XQ, and Li, YF

Subjects
Daya Bay Collaboration, hep-ex, nucl-ex, General Physics, Mathematical Sciences, Physical Sciences, Engineering
Abstract

A measurement of the energy dependence of antineutrino disappearance at the Daya Bay reactor neutrino experiment is reported. Electron antineutrinos (ν¯(e)) from six 2.9  GW(th) reactors were detected with six detectors deployed in two near (effective baselines 512 and 561 m) and one far (1579 m) underground experimental halls. Using 217 days of data, 41 589 (203 809 and 92 912) antineutrino candidates were detected in the far hall (near halls). An improved measurement of the oscillation amplitude sin(2)2θ(13)=0.090(-0.009)(+0.008) and the first direct measurement of the ν¯(e) mass-squared difference |Δm(ee)2|=(2.59(-0.20)(+0.19))×10(-3)  eV2 is obtained using the observed ν¯(e) rates and energy spectra in a three-neutrino framework. This value of |Δm(ee)2| is consistent with |Δm(μμ)2| measured by muon neutrino disappearance, supporting the three-flavor oscillation model.

Published
2014

36. Results from the Daya Bay Reactor Neutrino Experiment

Author

Tsang, KV, An, FP, An, Q, Bai, JZ, Balantekin, AB, Band, HR, Beriguete, W, Bishai, M, Blyth, S, Brown, RL, Cao, GF, Cao, J, Carr, R, Chan, WT, Chang, JF, Chang, Y, Chasman, C, Chen, HS, Chen, HY, Chen, SJ, Chen, SM, Chen, XC, Chen, XH, Chen, XS, Chen, Y, Chen, YX, Cherwinka, JJ, Chu, MC, Cummings, JP, Deng, ZY, Ding, YY, Diwan, MV, Draeger, E, Du, XF, Dwyer, D, Edwards, WR, Ely, SR, Fang, SD, Fu, JY, Fu, ZW, Ge, LQ, Gill, RL, Gonchar, M, Gong, GH, Gong, H, Gornushkin, YA, Gu, WQ, Guan, MY, Guo, XH, Hackenburg, RW, Hahn, RL, Hans, S, Hao, HF, He, M, He, Q, Heeger, KM, Heng, YK, Hinrichs, P, Hor, YK, Hsiung, YB, Hu, BZ, Hu, T, Huang, HX, Huang, HZ, Huang, XT, Huber, P, Issakov, V, Isvan, Z, Jaffe, DE, Jetter, S, Ji, XL, Ji, XP, Jiang, HJ, Jiao, JB, Johnson, RA, Kang, L, Kettell, SH, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Lai, CY, Lai, WC, Lai, WH, Lau, K, Lebanowski, L, Lee, J, Lei, RT, Leitner, R, Leung, JKC, Leung, KY, Lewis, CA, Li, F, Li, GS, Li, QJ, Li, WD, Li, XB, Li, XN, Li, XQ, and Li, Y

Subjects
Neutrino Oscillation, Neutrino Mixing, Reactor, Daya Bay
Abstract

The Daya Bay Reactor Neutrino Experiment was designed to achieve a sensitivity on the value of sin22θ13 to better than 0.01 at 90% CL. The experiment consists of eight antineutrino detectors installed underground at different baselines from six nuclear reactors. With data collected with six antineutrino detectors for 55 days, Daya Bay announced the discovery of a non-zero value for sin22θ13 with a significance of 5.2 standard deviations in March 2012. The most recent analysis with 139 days of data acquired in a six-detector configuration yields sin22θ13=0.089±0.010(stat.)±0.005(syst.), which is the most precise measurement of sin22θ13 to date. © 2013.

Published
2014

37. Assembly and Installation of the Daya Bay Antineutrino Detectors

Author

Band, HR, Brown, RL, Carr, R, Chen, XC, Chen, XH, Cherwinka, JJ, Chu, MC, Draeger, E, Dwyer, DA, Edwards, WR, Gill, R, Goett, J, Greenler, LS, Gu, WQ, He, WS, Heeger, KM, Heng, YK, Hinrichs, P, Ho, TH, Hoff, M, Hsiung, YB, Jin, Y, Kang, L, Kettell, SH, Kramer, M, Kwan, KK, Kwok, MW, Lewis, CA, Li, GS, Li, N, Li, SF, Li, XN, Lin, CJ, Littlejohn, BR, Liu, JL, Luk, KB, Luo, XL, Y, X, McFarlane, MC, McKeown, RD, Nakajima, Y, Ochoa-Ricoux, JP, Pagac, A, Qian, X, Seilhan, B, Shih, K, Steiner, H, Tang, X, Themann, H, Tsang, KV, Tsang, RHM, Virostek, S, Wang, L, Wang, W, Wang, ZM, Webber, DM, Wei, YD, Wen, LJ, Wenman, DL, Wilhelmi, J, Wingert, M, Wise, T, Wong, HLH, Wu, FF, Xiao, Q, Yang, L, Zhang, ZJ, Zhong, WL, and Zhuang, HL

Subjects
Large detector systems for particle and astroparticle physics, Neutrino detectors, Detector alignment and calibration methods, physics.ins-det, hep-ex, nucl-ex, Physical Sciences, Engineering, Nuclear & Particles Physics
Abstract

The Daya Bay reactor antineutrino experiment is designed to make a precision measurement of the neutrino mixing angle θ13, and recently made the definitive discovery of its non-zero value. It utilizes a set of eight, functionally identical antineutrino detectors to measure the reactor flux and spectrum at baselines of ∼ 300-2000 m from the Daya Bay and Ling Ao Nuclear Power Plants. The Daya Bay antineutrino detectors were built in an above-ground facility and deployed side-by-side at three underground experimental sites near and far from the nuclear reactors. This configuration allows the experiment to make a precision measurement of reactor antineutrino disappearance over km-long baselines and reduces relative systematic uncertainties between detectors and nuclear reactors. This paper describes the assembly and installation of the Daya Bay antineutrino detectors. © 2013 IOP Publishing Ltd and Sissa Medialab srl.

Published
2013

38. Improved measurement of electron antineutrino disappearance at Daya Bay

Author

An, FP, An, Q, Bai, JZ, Balantekin, AB, Band, HR, Beriguete, W, Bishai, M, Blyth, S, Brown, RL, Cao, GF, Cao, J, Carr, R, Chan, WT, Chang, JF, Chang, Y, Chasman, C, Chen, HS, Chen, HY, Chen, SJ, Chen, SM, Chen, XC, Chen, XH, Chen, XS, Chen, Y, Chen, YX, Cherwinka, JJ, Chu, MC, Cummings, JP, Deng, ZY, Ding, YY, Diwan, MV, Draeger, E, Du, XF, Dwyer, D, Edwards, WR, Ely, SR, Fang, SD, Fu, JY, Fu, ZW, Ge, LQ, Gill, RL, Gonchar, M, Gong, GH, Gong, H, Gornushkin, YA, Gu, WQ, Guan, MY, Guo, XH, Hackenburg, RW, Hahn, RL, Hans, S, Hao, HF, He, M, He, Q, Heeger, KM, Heng, YK, Hinrichs, P, Hor, YK, Hsiung, YB, Hu, BZ, Hu, T, Huang, HX, Huang, HZ, Huang, XT, Huber, P, Issakov, V, Isvan, Z, Jaffe, DE, Jetter, S, Ji, XL, Ji, XP, Jiang, HJ, Jiao, JB, Johnson, RA, Kang, L, Kettell, SH, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Lai, CY, Lai, WC, Lai, WH, Lau, K, Lebanowski, L, Lee, J, Lei, RT, Leitner, R, Leung, JKC, Leung, KY, Lewis, CA, Li, F, Li, GS, Li, QJ, Li, WD, Li, XB, Li, XN, Li, XQ, Li, Y, and Li, ZB

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, neutrino oscillation, neutrino mixing, reactor, Daya Bay, hep-ex, nucl-ex, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics, Atomic, molecular and optical physics, Particle and high energy physics
Abstract

We report an improved measurement of the neutrino mixing angle θ13 from the Daya Bay Reactor Neutrino Experiment. We exclude a zero value for sin22θ13 with a significance of 7.7 standard deviations. Electron antineutrinos from six reactors of 2.9 GW th were detected in six antineutrino detectors deployed in two near (flux-weighted baselines of 470 m and 576 m) and one far (1648 m) underground experimental halls. Using 139 days of data, 28909 (205308) electron antineutrino candidates were detected at the far hall (near halls). The ratio of the observed to the expected number of antineutrinos assuming no oscillations at the far hall is 0.944±0.007(stat.)±0.003(syst.). An analysis of the relative rates in six detectors finds sin22θ13=0. 089±0.010(stat.)±0.005(syst.) in a three-neutrino framework. © 2013 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

Published
2013

39. Joint Determination of Reactor Antineutrino Spectra from ^{235}U and ^{239}Pu Fission by Daya Bay and PROSPECT.

Author

An, FP, An, FP, Andriamirado, M, Balantekin, AB, Band, HR, Bass, CD, Bergeron, DE, Berish, D, Bishai, M, Blyth, S, Bowden, NS, Bryan, CD, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Classen, T, Conant, AJ, Cummings, JP, Dalager, O, Deichert, G, Delgado, A, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dolinski, MJ, Dolzhikov, D, Dove, J, Dvořák, M, Dwyer, DA, Erickson, A, Foust, BT, Gaison, JK, Galindo-Uribarri, A, Gallo, JP, Gilbert, CE, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, Hansell, AB, He, M, Heeger, KM, Heffron, B, Heng, YK, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, JH, Huang, XT, Huang, YB, Huber, P, Koblanski, J, Jaffe, DE, Jayakumar, S, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, DC, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Kyzylova, O, Lane, CE, Langford, TJ, LaRosa, J, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, F, Li, HL, Li, JJ, Li, QJ, Li, RH, Li, S, Li, SC, An, FP, An, FP, Andriamirado, M, Balantekin, AB, Band, HR, Bass, CD, Bergeron, DE, Berish, D, Bishai, M, Blyth, S, Bowden, NS, Bryan, CD, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Classen, T, Conant, AJ, Cummings, JP, Dalager, O, Deichert, G, Delgado, A, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dolinski, MJ, Dolzhikov, D, Dove, J, Dvořák, M, Dwyer, DA, Erickson, A, Foust, BT, Gaison, JK, Galindo-Uribarri, A, Gallo, JP, Gilbert, CE, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, Hansell, AB, He, M, Heeger, KM, Heffron, B, Heng, YK, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, JH, Huang, XT, Huang, YB, Huber, P, Koblanski, J, Jaffe, DE, Jayakumar, S, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, DC, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Kyzylova, O, Lane, CE, Langford, TJ, LaRosa, J, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, F, Li, HL, Li, JJ, Li, QJ, Li, RH, Li, S, and Li, SC

Abstract

A joint determination of the reactor antineutrino spectra resulting from the fission of ^{235}U and ^{239}Pu has been carried out by the Daya Bay and PROSPECT Collaborations. This Letter reports the level of consistency of ^{235}U spectrum measurements from the two experiments and presents new results from a joint analysis of both data sets. The measurements are found to be consistent. The combined analysis reduces the degeneracy between the dominant ^{235}U and ^{239}Pu isotopes and improves the uncertainty of the ^{235}U spectral shape to about 3%. The ^{235}U and ^{239}Pu antineutrino energy spectra are unfolded from the jointly deconvolved reactor spectra using the Wiener-SVD unfolding method, providing a data-based reference for other reactor antineutrino experiments and other applications. This is the first measurement of the ^{235}U and ^{239}Pu spectra based on the combination of experiments at low- and highly enriched uranium reactors.

Published
2022

40. Precision measurement of the Lambda(+)(c) baryon mass

Author

Aubert, B, Barate, R, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Pompili, A, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Breon, AB, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Gritsan, AV, Groysman, Y, Jacobsen, RG, Kadel, RW, Kadyk, J, Kerth, LT, Kolomensky, YG, Kukartsev, G, Lynch, G, Mir, LM, Oddone, PJ, Orimoto, TJ, Pripstein, M, Roe, NA, Ronan, MT, Wenzel, WA, Barrett, M, Ford, KE, Harrison, TJ, Hart, AJ, Hawkes, CM, Morgan, SE, Watson, AT, Fritsch, M, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Chevalier, N, Cottingham, WN, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, AE, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Yushkov, AN, Best, D, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Buchanan, C, Hartfiel, BL, Weinstein, AJR, Foulkes, SD, Gary, JW, Long, O, Shen, BC, Wang, K, Zhang, L, del Re, D, Hadavand, HK, Hill, EJ, MacFarlane, DB, Paar, HP, Rahatlou, S, Sharma, V, Berryhill, JW, Campagnari, C, Cunha, A, Dahmes, B, Hong, TM, Mazur, MA, Richman, JD, Verkerke, W, Beck, TW, Eisner, AM, Flacco, CJ, Heusch, CA, Kroseberg, J, Lockman, WS, Nesom, G, Schalk, T, Schumm, BA, Seiden, A, Spradlin, P, Williams, DC, Wilson, MG, Albert, J, Chen, E, Dubois-Felsmann, GP, Dvoretskii, A, Hitlin, DG, Narsky, I, Piatenko, T, Porter, FC, Ryd, A, Samuel, A, Andreassen, R, Jayatilleke, S, Mancinelli, G, Meadows, BT, Sokoloff, MD, Blanc, F, Bloom, P, Chen, S, Ford, WT, Hirschauer, JF, Kreisel, A, Nauenberg, U, Olivas, A, Rankin, P, Ruddick, WO, Smith, JG, Ulmer, KA, Wagner, SR, Zhang, J, Chen, A, Eckhart, EA, Soffer, A, Toki, WH, Wilson, RJ, Zeng, Q, Altenburg, D, Feltresi, E, Hauke, A, Spaan, B, Brandt, T, Brose, J, Dickopp, M, Klose, V, Lacker, HM, Nogowski, R, Otto, S, Petzold, A, Schott, G, Schubert, J, Schubert, KR, Schwierz, R, Sundermann, JE, Bernard, D, Bonneaud, GR, Grenier, P, Schrenk, S, Thiebaux, C, Vasileiadis, G, Verderi, M, Bard, DJ, Clark, PJ, Gradl, W, Muheim, F, Playfer, S, Xie, Y, Andreotti, M, Azzolini, V, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Luppi, E, Negrini, M, Piemontese, L, Anulli, F, Baldini-Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Patteri, P, Peruzzi, IM, Piccolo, M, Zallo, A, Buzzo, A, Capra, R, Contri, R, Lo Vetere, M, Macri, M, Monge, MR, Passaggio, S, Patrignani, C, Robutti, E, Santroni, A, Tosi, S, Brandenburg, G, Chaisanguanthum, KS, Morii, M, Won, E, Wu, J, Dubitzky, RS, Langenegger, U, Marks, J, Schenk, S, Uwer, U, Bhimji, W, Bowerman, DA, Dauncey, PD, Egede, U, Flack, RL, Gaillard, JR, Morton, GW, Nash, JA, Nikolich, MB, Taylor, GP, Vazquez, WP, Charles, MJ, Mader, WF, Mallik, U, Mohapatra, AK, Cochran, J, Crawley, HB, Eyges, V, Meyer, WT, Prell, S, Rosenberg, EI, Rubin, AE, Yi, J, Arnaud, N, Davier, M, Giroux, X, Grosdidier, G, Hocker, A, Le Diberder, F, Lepeltier, V, Lutz, AM, Oyanguren, A, Petersen, TC, Pierini, M, Plaszczynski, S, Rodier, S, Roudeau, P, Schune, MH, Stocchi, A, Wormser, G, Cheng, CH, Lange, DJ, Simani, MC, Wright, DM, Bevan, AJ, Chavez, CA, Forster, IJ, Fry, JR, Gabathuler, E, Gamet, R, George, KA, Hutchcroft, DE, Parry, RJ, Payne, DJ, Schofield, KC, Touramanis, C, Cormack, CM, Di Lodovico, F, Menges, W, Sacco, R, Brown, CL, Cowan, G, Flaecher, HU, Green, MG, Hopkins, DA, Jackson, PS, McMahon, TR, Ricciardi, S, Salvatore, F, Brown, D, Davis, CL, Allison, J, Barlow, NR, Barlow, RJ, Edgar, CL, Hodgkinson, MC, Kelly, MP, Lafferty, GD, Naisbit, MT, Williams, JC, Chen, C, Hulsbergen, WD, Jawahery, A, Kovalskyi, D, Lae, CK, Roberts, DA, Simi, G, Blaylock, G, Dallapiccola, C, Hertzbach, SS, Kofler, R, Koptchev, VB, Li, X, Moore, TB, Saremi, S, Staengle, H, Willocq, S, Cowan, R, Koeneke, K, Sciolla, G, Sekula, SJ, Spitznagel, M, Taylor, F, Yamamoto, RK, Kim, H, Patel, PM, Robertson, SH, Lazzaro, A, Lombardo, V, Palombo, F, Bauer, JM, Cremaldi, L, Eschenburg, V, Godang, R, Kroeger, R, Reidy, J, Sanders, DA, Summers, DJ, Zhao, HW, Brunet, S, Cote, D, Taras, P, Viaud, B, Nicholson, H, Cavallo, N, De Nardo, G, Fabozzi, F, Gatto, C, Lista, L, Monorchio, D, Paolucci, P, Piccolo, D, Sciacca, C, Baak, M, Bulten, H, Raven, G, Snoek, HL, Wilden, L, Jessop, CP, LoSecco, JM, Allmendinger, T, Benelli, G, Gan, KK, Honscheid, K, Hufnagel, D, Jackson, PD, Kagan, H, Kass, R, Pulliam, T, Rahimi, AM, Ter-Antonyan, R, Wong, QK, Brau, J, Frey, R, Igonkina, O, Lu, M, Potter, CT, Sinev, NB, Strom, D, Strube, J, Torrence, E, Galeazzi, F, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simonetto, F, Stroili, R, Voci, C, Benayoun, M, Briand, H, Chauveau, J, David, P, Del Buono, L, de la Vaissiere, C, Hamon, O, John, MJJ, Leruste, P, Malcles, J, Ocariz, J, Roos, L, Therin, G, Behera, PK, Gladney, L, Guo, QH, Panetta, J, Biasini, M, Covarelli, R, Pacetti, S, Pioppi, M, Angelini, C, Batignani, G, Bettarini, S, Bucci, F, Calderini, G, Carpinelli, M, Cenci, R, Forti, F, Giorgi, MA, Lusiani, A, Marchiori, G, Morganti, M, Neri, N, Paoloni, E, Rama, M, Rizzo, G, Walsh, J, Haire, M, Judd, D, Wagoner, DE, Biesiada, J, Danielson, N, Elmer, P, Lau, YP, Lu, C, Olsen, J, Smith, AJS, Telnov, AV, Bellini, F, Cavoto, G, D'Orazio, A, Di Marco, E, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Li Gioi, L, Mazzoni, MA, Morganti, S, Piredda, G, Polci, F, Tehrani, FS, Voena, C, Schroder, H, Wagner, G, Waldi, R, Adye, T, De Groot, N, Franek, B, Gopal, GP, Olaiya, EO, Wilson, FF, Aleksan, R, Emery, S, Gaidot, A, Ganzhur, SF, Giraud, PF, Graziani, G, de Monchenault, GH, Kozanecki, W, Legendre, M, London, GW, Mayer, B, Vasseur, G, Yeche, C, Zito, M, Purohit, MV, Weidemann, AW, Wilson, JR, Yumiceva, FX, Abe, T, Allen, MT, Aston, D, Bakel, N, Bartoldus, R, Berger, N, Boyarski, AM, Buchmueller, OL, Claus, R, Coleman, JP, Convery, MR, Cristinziani, M, Dingfelder, JC, Dong, D, Dorfan, J, Dujmic, D, Dunwoodie, W, Fan, S, Field, RC, Glanzman, T, Gowdy, SJ, Hadig, T, Halyo, V, Hast, C, Hryn'ova, T, Innes, WR, Kelsey, MH, Kim, P, Kocian, ML, Leith, DWGS, Libby, J, Luitz, S, Luth, V, Lynch, HL, Marsiske, H, Messner, R, Muller, DR, O'Grady, CP, Ozcan, VE, Perazzo, A, Perl, M, Ratcliff, BN, Roodman, A, Salnikov, AA, Schindler, RH, Schwiening, J, Snyder, A, Stelzer, J, Su, D, Sullivan, MK, Suzuki, K, Swain, S, Thompson, JM, Va'vra, J, Weaver, M, Wisniewski, WJ, Wittgen, M, Wright, DH, Yarritu, AK, Yi, K, Young, CC, Burchat, PR, Edwards, AJ, Majewski, SA, Petersen, BA, Roat, C, Ahmed, M, Ahmed, S, Alam, MS, Ernst, JA, Saeed, MA, Wappler, FR, Zain, SB, Bugg, W, Krishnamurthy, M, Spanier, SM, Eckmann, R, Ritchie, JL, Satpathy, A, Schwitters, RF, Izen, JM, Kitayama, I, Lou, XC, Ye, S, Bianchi, F, Bona, M, Gallo, F, Gamba, D, Bomben, M, Bosisio, L, Cartaro, C, Cossutti, F, Della Ricca, G, Dittongo, S, Grancagnolo, S, Lanceri, L, Vitale, L, Martinez-Vidal, F, Panvini, RS, Banerjee, S, Bhuyan, B, Brown, CM, Fortin, D, Hamano, K, Kowalewski, R, Roney, JM, Sobie, RJ, Back, JJ, Harrison, PF, Latham, TE, Mohanty, GB, Band, HR, Chen, X, Cheng, B, Dasu, S, Datta, M, Eichenbaum, AM, Flood, KT, Graham, M, Hollar, JJ, Johnson, JR, Kutter, PE, Li, H, Liu, R, Mellado, B, Mihalyi, A, Pan, Y, Prepost, R, Tan, P, von Wimmersperg-Toeller, JH, Wu, SL, Yu, Z, Neal, H, Collaboration, B, Fan, Y. [0000-0002-3153-430X], Apollo - University of Cambridge Repository, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), BABAR, Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J., Poireau, V., Tisserand, V., Zghiche, A., Grauges, E., Palano, A., Pappagallo, M., Pompili, A., Chen, J., Qi, N., Rong, G., Wang, P., Zhu, Y., Eigen, G., Ofte, I., Stugu, B., Abrams, G., Battaglia, M., Breon, A., Brown, D., Button Shafer, J., Cahn, R., Charles, E., Day, C., Gill, M., Gritsan, A., Groysman, Y., Jacobsen, R., Kadel, R., Kadyk, J., Kerth, L., Kolomensky, Y. u., Kukartsev, G., Lynch, G., Mir, L., Oddone, P., Orimoto, T., Pripstein, M., Roe, N., Ronan, M., Wenzel, W., Barrett, M., Ford, K., Harrison, T., Hart, A., Hawkes, C., Morgan, S., Watson, A., Fritsch, M., Goetzen, K., Held, T., Koch, H., Lewandowski, B., Pelizaeus, M., Peters, K., Schroeder, T., Steinke, M., Boyd, J., Burke, J., Chevalier, N., Cottingham, W., Cuhadar Donszelmann, T., Fulsom, B., Hearty, C., Knecht, N., Mattison, T., Mckenna, J., Khan, A., Kyberd, P., Saleem, M., Teodorescu, L., Blinov, A., Blinov, V., Bukin, A., Druzhinin, V., Golubev, V., Kravchenko, E., Onuchin, A., Serednyakov, S., Skovpen, Y. u., Solodov, E., Yushkov, A., Best, D., Bondioli, M., Bruinsma, M., Chao, M., Curry, S., Eschrich, I., Kirkby, D., Lankford, A., Lund, P., Mandelkern, M., Mommsen, R., Roethel, W., Stoker, D., Buchanan, C., Hartfiel, B., Weinstein, A., Foulkes, S., Gary, J., Long, O., Shen, B., Wang, K., Zhang, L., del Re, D., Hadavand, H., Hill, E., Macfarlane, D., Paar, H., Rahatlou, S., Sharma, V., Berryhill, J., Campagnari, C., Cunha, A., Dahmes, B., Hong, T., Mazur, M., Richman, J., Verkerke, W., Beck, T., Eisner, A., Flacco, C., Heusch, C., Kroseberg, J., Lockman, W., Nesom, G., Schalk, T., Schumm, B., Seiden, A., Spradlin, P., Williams, D., Wilson, M., Albert, J., Chen, E., Dubois Felsmann, G., Dvoretskii, A., Hitlin, D., Narsky, I., Piatenko, T., Porter, F., Ryd, A., Samuel, A., Andreassen, R., Jayatilleke, S., Mancinelli, G., Meadows, B., Sokoloff, M., Blanc, F., Bloom, P., Chen, S., Ford, W., Hirschauer, J., Kreisel, A., Nauenberg, U., Olivas, A., Rankin, P., Ruddick, W., Smith, J., Ulmer, K., Wagner, S., Zhang, J., Chen, A., Eckhart, E., Soffer, A., Toki, W., Wilson, R., Zeng, Q., Altenburg, D., Feltresi, E., Hauke, A., Spaan, B., Brandt, T., Brose, J., Dickopp, M., Klose, V., Lacker, H., Nogowski, R., Otto, S., Petzold, A., Schott, G., Schubert, J., Schubert, K., Schwierz, R., Sundermann, J., Bernard, D., Bonneaud, G., Grenier, P., Schrenk, S., Thiebaux, C. h., Vasileiadis, G., Verderi, M., Bard, D., Clark, P., Gradl, W., Muheim, F., Playfer, S., Xie, Y., Andreotti, M., Azzolini, V., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Luppi, E., Negrini, M., Piemontese, L., Anulli, F., Baldini Ferroli, R., Calcaterra, A., de Sangro, R., Finocchiaro, G., Patteri, P., Peruzzi, I., Piccolo, M., Zallo, A., Buzzo, A., Capra, R., Contri, R., Vetere, M., Macri, M., Monge, M., Passaggio, S., Patrignani, C., Robutti, E., Santroni, A., Tosi, S., Brandenburg, G., Chaisanguanthum, K., Morii, M., Won, E., Wu, J., Dubitzky, R., Langenegger, U., Marks, J., Schenk, S., Uwer, U., Bhimji, W., Bowerman, D., Dauncey, P., Egede, U., Flack, R., Gaillard, J., Morton, G., Nash, J., Nikolich, M., Taylor, G., Vazquez, W., Charles, M., Mader, W., Mallik, U., Mohapatra, A., Cochran, J., Crawley, H., Eyges, V., Meyer, W., Prell, S., Rosenberg, E., Rubin, A., Yi, J., Arnaud, N., Davier, M., Giroux, X., Grosdidier, G., Höcker, A., Diberder, F., Lepeltier, V., Lutz, A., Oyanguren, A., Petersen, T., Pierini, M., Plaszczynski, S., Rodier, S., Roudeau, P., Schune, M., Stocchi, A., Wormser, G., Cheng, C., Lange, D., Simani, M., Wright, D., Bevan, A., Chavez, C., Forster, I., Fry, J., Gabathuler, E., Gamet, R., George, K., Hutchcroft, D., Parry, R., Payne, D., Schofield, K., Touramanis, C., Cormack, C., Lodovico, F., Menges, W., Sacco, R., Brown, C., Cowan, G., Flaecher, H., Green, M., Hopkins, D., Jackson, P., Mcmahon, T., Ricciardi, S., Salvatore, F., Davis, C., Allison, J., Barlow, N., Barlow, R., Edgar, C., Hodgkinson, M., Kelly, M., Lafferty, G., Naisbit, M., Williams, J., Chen, C., Hulsbergen, W., Jawahery, A., Kovalskyi, D., Lae, C., Roberts, D., Simi, G., Blaylock, G., Dallapiccola, C., Hertzbach, S., Kofler, R., Koptchev, V., Li, X., Moore, T., Saremi, S., Staengle, H., Willocq, S., Cowan, R., Koeneke, K., Sciolla, G., Sekula, S., Spitznagel, M., Taylor, F., Yamamoto, R., Kim, H., Patel, P., Robertson, S., Lazzaro, A., Lombardo, V., Palombo, F., Bauer, J., Cremaldi, L., Eschenburg, V., Godang, R., Kroeger, R., Reidy, J., Sanders, D., Summers, D., Zhao, H., Brunet, S., Côté, D., Taras, P., Viaud, B., Nicholson, H., Cavallo, N., DE NARDO, Guglielmo, Fabozzi, F., Gatto, C., Lista, L., Monorchio, D., Paolucci, P., Piccolo, D., Sciacca, Crisostomo, Baak, M., Bulten, H., Raven, G., Snoek, H., Wilden, L., Jessop, C., Losecco, J., Allmendinger, T., Benelli, G., Gan, K., Honscheid, K., Hufnagel, D., Kagan, H., Kass, R., Pulliam, T., Rahimi, A., Ter Antonyan, R., Wong, Q., Brau, J., Frey, R., Igonkina, O., Lu, M., Potter, C., Sinev, N., Strom, D., Strube, J., Torrence, E., Galeazzi, F., Margoni, M., Morandin, M., Posocco, M., Rotondo, M., Simonetto, F., Stroili, R., Voci, C., Benayoun, M., Briand, H., Chauveau, J., David, P., Buono, L., de la Vaissière, C. h., Hamon, O., John, M., Leruste, P. h., Malclès, J., Ocariz, J., Roos, L., Therin, G., Behera, P., Gladney, L., Guo, Q., Panetta, J., Biasini, M., Covarelli, R., Pacetti, S., Pioppi, M., Angelini, C., Batignani, G., Bettarini, S., Bucci, F., Calderini, G., Carpinelli, M., Cenci, R., Forti, F., Giorgi, M., Lusiani, A., Marchiori, G., Morganti, M., Neri, N., Paoloni, E., Rama, M., Rizzo, G., Walsh, J., Haire, M., Judd, D., Wagoner, D., Biesiada, J., Danielson, N., Elmer, P., Lau, Y., Lu, C., Olsen, J., Smith, A., Telnov, A., Bellini, F., Cavoto, G., D’Orazio, A., Marco, E., Faccini, R., Ferrarotto, F., Ferroni, F., Gaspero, M., Gioi, L., Mazzoni, M., Morganti, S., Piredda, G., Polci, F., Tehrani, F., Voena, C., Schröder, H., Wagner, G., Waldi, R., Adye, T., Groot, N., Franek, B., Gopal, G., Olaiya, E., Wilson, F., Aleksan, R., Emery, S., Gaidot, A., Ganzhur, S., Giraud, P. F., Graziani, G., de Monchenault, G., Kozanecki, W., Legendre, M., London, G., Mayer, B., Vasseur, G., Yèche, C. h., Zito, M., Purohit, M., Weidemann, A., Wilson, J., Yumiceva, F., Abe, T., Allen, M., Aston, D., Bakel, N., Bartoldus, R., Berger, N., Boyarski, A., Buchmueller, O., Claus, R., Coleman, J., Convery, M., Cristinziani, M., Dingfelder, J., Dong, D., Dorfan, J., Dujmic, D., Dunwoodie, W., Fan, S., Field, R., Glanzman, T., Gowdy, S., Hadig, T., Halyo, V., Hast, C., Hryn’Ova, T., Innes, W., Kelsey, M., Kim, P., Kocian, M., Leith, D., Libby, J., Luitz, S., Luth, V., Lynch, H., Marsiske, H., Messner, R., Muller, D., O’Grady, C., Ozcan, V., Perazzo, A., Perl, M., Ratcliff, B., Roodman, A., Salnikov, A., Schindler, R., Schwiening, J., Snyder, A., Stelzer, J., Su, D., Sullivan, M., Suzuki, K., Swain, S., Thompson, J., Va’Vra, J., Weaver, M., Wisniewski, W., Wittgen, M., Yarritu, A., Yi, K., Young, C., Burchat, P., Edwards, A., Majewski, S., Petersen, B., Roat, C., Ahmed, M., Ahmed, S., Alam, M., Ernst, J., Saeed, M., Wappler, F., Zain, S., Bugg, W., Krishnamurthy, M., Spanier, S., Eckmann, R., Ritchie, J., Satpathy, A., Schwitters, R., Izen, J., Kitayama, I., Lou, X., Ye, S., Bianchi, F., Bona, M., Gallo, F., Gamba, D., Bomben, M., Bosisio, L., Cartaro, C., Cossutti, F., Ricca, G., Dittongo, S., Grancagnolo, S., Lanceri, L., Vitale, L., Martinez Vidal, F., Panvini, R., Banerjee, S. w., Bhuyan, B., Fortin, D., Hamano, K., Kowalewski, R., Roney, J., Sobie, R., Back, J., Harrison, P., Latham, T., Mohanty, G., Band, H., Chen, X., Cheng, B., Dasu, S., Datta, M., Eichenbaum, A., Flood, K., Graham, M., Hollar, J., Johnson, J., Kutter, P., Li, H., Liu, R., Mellado, B., Mihalyi, A., Pan, Y., Prepost, R., Tan, P., von Wimmersperg Toeller, J., Wu, S., Yu, Z., Neal, H., Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)

Subjects
BARYON, LAMBDA, BABAR, SLAC, High Energy Physics::Phenomenology, FOS: Physical sciences, baryon hadronic decay, QCD, hyperon mass, B physics, High Energy Physics - Experiment, NO, hyperon decay, High Energy Physics - Experiment (hep-ex), Hadron-Hadron scattering (experiments), Lambda baryons, 14.20.Lq, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Spectroscopy
Abstract

The $\Lambda_c^+$ baryon mass is measured using $\Lambda_c^+\to\Lambda K^0_S K^+$ and $\Lambda_c^+\to\Sigma^0 K^0_S K^+$ decays reconstructed in 232 fb$^{-1}$ of data collected with the BaBar detector at the PEP-II asymmetric-energy $e^+e^-$ storage ring. The $\Lambda_c^+$ mass is measured to be $2286.46\pm0.14\mathrm{MeV}/c^2$. The dominant systematic uncertainties arise from the amount of material in the tracking volume and from the magnetic field strength., Comment: 14 pages, 8 postscript figures, submitted to Phys. Rev. D

Published
2021
Full Text
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41. Search for electron-antineutrinos associated with gravitational-wave events GW150914, GW151012, GW151226, GW170104, GW170608, GW170814, and GW170817 at Daya Bay * *Daya Bay is supported in part by the Ministry of Science and Technology of China, the U.S. Department of Energy, the Chinese Academy of Sciences, the CAS Center for Excellence in Particle Physics, the National Natural Science Foundation of China, the Guangdong provincial government, the Shenzhen municipal government, the China General Nuclear Power Group, Key Laboratory of Particle and Radiation Imaging (Tsinghua University), the Ministry of Education, Key Laboratory of Particle Physics and Particle Irradiation (Shandong University), the Ministry of Education, Shanghai Laboratory for Particle Physics and Cosmology, the Research Grants Council of the Hong Kong Special Administrative Region of China, the University Development Fund of the University of Hong Kong, the MOE program for Research of Excellence at National Taiwan University, National Chia

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, GF, Cao, J, Chang, JF, Chang, Y, Chen, HS, Chen, SM, Chen, Y, Chen, YX, Cheng, J, Cheng, ZK, Cherwinka, JJ, Chu, MC, Cummings, JP, Dalager, O, Deng, FS, Ding, YY, Diwan, MV, Dohnal, T, Dove, J, Dvořák, M, Dwyer, DA, Gallo, JP, Gonchar, M, Gong, GH, Gong, H, Gu, WQ, Guo, JY, Guo, L, Guo, XH, Guo, YH, Guo, Z, Hackenburg, RW, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, JR, Hu, T, Hu, ZJ, Huang, HX, Huang, XT, Huang, YB, Huber, P, Jaffe, DE, Jen, KL, Ji, XL, Ji, XP, Johnson, RA, Jones, D, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Langford, TJ, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Leung, JKC, Li, F, Li, JJ, Li, QJ, Li, S, Li, SC, Li, WD, Li, XN, Li, XQ, Li, YF, Li, ZB, Liang, H, Lin, CJ, Lin, GL, Lin, S, Ling, JJ, Link, JM, Littenberg, L, Littlejohn, BR, Liu, JC, Liu, JL, Lu, C, Lu, HQ, Lu, JS, Luk, KB, B., X, Y., X, Q., Y, Marshall, C, Caicedo, DA Martinez, McDonald, KT, McKeown, RD, and Meng, Y

Subjects
astro-ph.HE, Particle and Plasma Physics, gravitational waves, hep-ex, fluence, Molecular, Nuclear, electron-antineutrinos, upper limit, physics.ins-det, Atomic, Nuclear & Particles Physics
Abstract

The establishment of a possible connection between neutrino emission and gravitational-wave (GW) bursts is important to our understanding of the physical processes that occur when black holes or neutron stars merge. In the Daya Bay experiment, using the data collected from December 2011 to August 2017, a search was performed for electron-Antineutrino signals that coincided with detected GW events, including GW150914, GW151012, GW151226, GW170104, GW170608, GW170814, and GW170817. We used three time windows of 10, 500, and 1000 s relative to the occurrence of the GW events and a neutrino energy range of 1.8 to 100 MeV to search for correlated neutrino candidates. The detected electron-Antineutrino candidates were consistent with the expected background rates for all the three time windows. Assuming monochromatic spectra, we found upper limits (90% confidence level) of the electron-Antineutrino fluence of (1.13-2.44)×1011 cm-2 at 5 MeV to 8.0×107 cm-2 at 100 MeV for the three time windows. Under the assumption of a Fermi-Dirac spectrum, the upper limits were found to be (5.4-7.0)×109 cm-2 for the three time windows.

Published
2021

42. Determination of the lifetime of bottom hadrons

Author

Ash, WW, Band, HR, Bloom, ED, Bosman, M, Camporesi, T, Chadwick, GB, Delfino, MC, De Sangro, R, Ford, WT, Gettner, MW, Goderre, GP, Godfrey, GL, Groom, DE, Hurst, RB, Johnson, JR, Lau, KH, Lavine, TL, Leedy, RE, Lippi, I, Maruyama, T, Messner, RL, Moromisato, JH, Moss, LJ, Muller, F, Nelson, HN, Peruzzi, I, Piccolo, M, Prepost, R, Pyrlik, J, Qi, N, Read, AL, Ritson, DM, Rosenberg, LJ, Shambroom, WD, Sleeman, JC, Smith, JG, Venuti, JP, Verdini, PG, von Goeler, E, Wald, HB, Weinstein, R, Wiser, DE, and Zdarko, RW

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Published
1987

43. Improved measurement of the reactor antineutrino flux and spectrum at Daya Bay

Author

An, FP, Balantekin, AB, Band, HR, Bishai, M, Blyth, S, Cao, D, Cao, GF, Cao, J, Cen, WR, Chan, YL, Chang, JF, Chang, LC, Chang, Y, Chen, HS, Chen, QY, Chen, SM, Chen, YX, Chen, Y, Cheng, JH, Cheng, J, Cheng, YP, Cheng, ZK, Cherwinka, JJ, Chu, MC, Chukanov, A, Cummings, JP, De Arcos, J, Deng, ZY, Ding, XF, Ding, YY, Diwan, MV, Dolgareva, M, Dove, J, Dwyer, DA, Edwards, WR, Gill, R, Gonchar, M, Gong, GH, Gong, H, Grassi, M, Gu, WQ, Guan, MY, Guo, L, Guo, RP, Guo, XH, Guo, Z, Hackenburg, RW, Han, R, Hans, S, He, M, Heeger, KM, Heng, YK, Higuera, A, Hor, YK, Hsiung, YB, Hu, BZ, Hu, T, Hu, W, Huang, EC, Huang, HX, Huang, XT, Huber, P, Huo, W, Hussain, G, Jaffe, DE, Jaffke, P, Jen, KL, Jetter, S, Ji, XP, Ji, XL, Jiao, JB, Johnson, RA, Jones, D, Joshi, J, Kang, L, Kettell, SH, Kohn, S, Kramer, M, Kwan, KK, Kwok, MW, Kwok, T, Langford, TJ, Lau, K, Lebanowski, L, Lee, J, Lee, JHC, Lei, RT, Leitner, R, Li, C, Li, DJ, Li, F, Li, GS, Li, QJ, Li, S, Li, SC, and Li, WD

Abstract

© Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd. A new measurement of the reactor antineutrino flux and energy spectrum by the Daya Bay reactor neutrino experiment is reported. The antineutrinos were generated by six 2.9 GWthnuclear reactors and detected by eight antineutrino detectors deployed in two near (560 m and 600 m flux-weighted baselines) and one far (1640 m flux-weighted baseline) underground experimental halls. With 621 days of data, more than 1.2 million inverse beta decay (IBD) candidates were detected. The IBD yield in the eight detectors was measured, and the ratio of measured to predicted flux was found to be 0.946±0.020 (0.992±0.021) for the Huber+Mueller (ILL+Vogel) model. A 2.9σ deviation was found in the measured IBD positron energy spectrum compared to the predictions. In particular, an excess of events in the region of 4-6 MeV was found in the measured spectrum, with a local significance of 4.4σ. A reactor antineutrino spectrum weighted by the IBD cross section is extracted for model-independent predictions.

Published
2017

44. The Intermediate Neutrino Program

Author

Adams, C, Alonso, JR, Ankowski, AM, Asaadi, JA, Ashenfelter, J, Axani, SN, Babu, K, Backhouse, C, Band, HR, Barbeau, PS, Barros, N, Bernstein, A, Betancourt, M, Bishai, M, Blucher, E, Bouffard, J, Bowden, N, Brice, S, Bryan, C, Camilleri, L, Cao, J, Carlson, J, Carr, RE, Chatterjee, A, Chen, M, Chen, S, Chiu, M, Church, ED, Collar, JI, Collin, G, Conrad, JM, Convery, MR, Cooper, RL, Cowen, D, Davoudiasl, H, Gouvea, AD, Dean, DJ, Deichert, G, Descamps, F, DeYoung, T, Diwan, MV, Djurcic, Z, Dolinski, MJ, Dolph, J, Donnelly, B, Dwyer, DA, Dytman, S, Efremenko, Y, Everett, LL, Fava, A, Figueroa-Feliciano, E, Fleming, B, Friedland, A, Fujikawa, BK, Gaisser, TK, Galeazzi, M, Galehouse, DC, Galindo-Uribarri, A, Garvey, GT, Gautam, S, Gilje, KE, Gonzalez-Garcia, M, Goodman, MC, Gordon, H, Gramellini, E, Green, MP, Guglielmi, A, Hackenburg, RW, Hackenburg, A, Halzen, F, Han, K, Hans, S, Harris, D, Heeger, KM, Herman, M, Hill, R, Holin, A, Huber, P, Jaffe, DE, Johnson, RA, Joshi, J, Karagiorgi, G, Kaufman, LJ, Kayser, B, Kettell, SH, Kirby, BJ, Klein, JR, Kolomensky, YG, Kriske, RM, Lane, CE, Langford, TJ, Lankford, A, Lau, K, Learned, JG, Ling, J, Link, JM, Lissauer, D, Littenberg, L, Littlejohn, BR, Lockwitz, S, Lokajicek, M, Louis, WC, Luk, K, Lykken, J, Marciano, WJ, Maricic, J, Markoff, DM, Caicedo, DAM, Mauger, C, Mavrokoridis, K, McCluskey, E, McKeen, D, McKeown, R, Mills, G, Mocioiu, I, Monreal, B, Mooney, MR, Morfin, JG, Mumm, P, Napolitano, J, Neilson, R, Nelson, JK, Nessi, M, Norcini, D, Nova, F, Nygren, DR, Gann, GDO, Palamara, O, Parsa, Z, Patterson, R, Paul, P, Pocar, A, Qian, X, Raaf, JL, Rameika, R, Ranucci, G, Ray, H, Reyna, D, Rich, GC, Rodrigues, P, Romero, ER, Rosero, R, Rountree, SD, Rybolt, B, Sanchez, MC, Santucci, G, Schmitz, D, Scholberg, K, Seckel, D, Shaevitz, M, Shrock, R, Smy, MB, Soderberg, M, Sonzogni, A, Sousa, AB, Spitz, J, John, JMS, Stewart, J, Strait, JB, Sullivan, G, Svoboda, R, Szelc, AM, Tayloe, R, Thomson, MA, Toups, M, Vacheret, A, Vagins, M, Water, RGVD, Vogelaar, RB, Weber, M, Weng, W, Wetstein, M, White, C, White, BR, Whitehead, L, Whittington, DW, Wilking, MJ, Wilson, RJ, Wilson, P, Winklehner, D, Winn, DR, Worcester, E, Yang, L, Yeh, M, Yokley, ZW, Yoo, J, Yu, B, Yu, J, Zhang, C, Adams, C, Alonso, JR, Ankowski, AM, Asaadi, JA, Ashenfelter, J, Axani, SN, Babu, K, Backhouse, C, Band, HR, Barbeau, PS, Barros, N, Bernstein, A, Betancourt, M, Bishai, M, Blucher, E, Bouffard, J, Bowden, N, Brice, S, Bryan, C, Camilleri, L, Cao, J, Carlson, J, Carr, RE, Chatterjee, A, Chen, M, Chen, S, Chiu, M, Church, ED, Collar, JI, Collin, G, Conrad, JM, Convery, MR, Cooper, RL, Cowen, D, Davoudiasl, H, Gouvea, AD, Dean, DJ, Deichert, G, Descamps, F, DeYoung, T, Diwan, MV, Djurcic, Z, Dolinski, MJ, Dolph, J, Donnelly, B, Dwyer, DA, Dytman, S, Efremenko, Y, Everett, LL, Fava, A, Figueroa-Feliciano, E, Fleming, B, Friedland, A, Fujikawa, BK, Gaisser, TK, Galeazzi, M, Galehouse, DC, Galindo-Uribarri, A, Garvey, GT, Gautam, S, Gilje, KE, Gonzalez-Garcia, M, Goodman, MC, Gordon, H, Gramellini, E, Green, MP, Guglielmi, A, Hackenburg, RW, Hackenburg, A, Halzen, F, Han, K, Hans, S, Harris, D, Heeger, KM, Herman, M, Hill, R, Holin, A, Huber, P, Jaffe, DE, Johnson, RA, Joshi, J, Karagiorgi, G, Kaufman, LJ, Kayser, B, Kettell, SH, Kirby, BJ, Klein, JR, Kolomensky, YG, Kriske, RM, Lane, CE, Langford, TJ, Lankford, A, Lau, K, Learned, JG, Ling, J, Link, JM, Lissauer, D, Littenberg, L, Littlejohn, BR, Lockwitz, S, Lokajicek, M, Louis, WC, Luk, K, Lykken, J, Marciano, WJ, Maricic, J, Markoff, DM, Caicedo, DAM, Mauger, C, Mavrokoridis, K, McCluskey, E, McKeen, D, McKeown, R, Mills, G, Mocioiu, I, Monreal, B, Mooney, MR, Morfin, JG, Mumm, P, Napolitano, J, Neilson, R, Nelson, JK, Nessi, M, Norcini, D, Nova, F, Nygren, DR, Gann, GDO, Palamara, O, Parsa, Z, Patterson, R, Paul, P, Pocar, A, Qian, X, Raaf, JL, Rameika, R, Ranucci, G, Ray, H, Reyna, D, Rich, GC, Rodrigues, P, Romero, ER, Rosero, R, Rountree, SD, Rybolt, B, Sanchez, MC, Santucci, G, Schmitz, D, Scholberg, K, Seckel, D, Shaevitz, M, Shrock, R, Smy, MB, Soderberg, M, Sonzogni, A, Sousa, AB, Spitz, J, John, JMS, Stewart, J, Strait, JB, Sullivan, G, Svoboda, R, Szelc, AM, Tayloe, R, Thomson, MA, Toups, M, Vacheret, A, Vagins, M, Water, RGVD, Vogelaar, RB, Weber, M, Weng, W, Wetstein, M, White, C, White, BR, Whitehead, L, Whittington, DW, Wilking, MJ, Wilson, RJ, Wilson, P, Winklehner, D, Winn, DR, Worcester, E, Yang, L, Yeh, M, Yokley, ZW, Yoo, J, Yu, B, Yu, J, and Zhang, C

Abstract

The US neutrino community gathered at the Workshop on the Intermediate Neutrino Program (WINP) at Brookhaven National Laboratory February 4-6, 2015 to explore opportunities in neutrino physics over the next five to ten years. Scientists from particle, astroparticle and nuclear physics participated in the workshop. The workshop examined promising opportunities for neutrino physics in the intermediate term, including possible new small to mid-scale experiments, US contributions to large experiments, upgrades to existing experiments, R&D plans and theory. The workshop was organized into two sets of parallel working group sessions, divided by physics topics and technology. Physics working groups covered topics on Sterile Neutrinos, Neutrino Mixing, Neutrino Interactions, Neutrino Properties and Astrophysical Neutrinos. Technology sessions were organized into Theory, Short-Baseline Accelerator Neutrinos, Reactor Neutrinos, Detector R&D and Source, Cyclotron and Meson Decay at Rest sessions.This report summarizes discussion and conclusions from the workshop.

Published
2017

45. The BABAR detector

Author

Aubert, B, Bazan, A, Boucham, A, Boutigny, D, De Bonis, I, Favier, J, Gaillard, JM, Jeremie, A, Karyotakis, Y, Le Flour, T, Lees, JP, Karcher, A, Tinslay, J, Gabriel, TA, Handler, T, Heck, J, Meyer, WT, Iwasaki, M, Sinev, NB, Dubois-Felsmann, GP, Gill, MS, Olsen, J, Steinke, M, Caracciolo, R, Colecchia, F, Dal Corso, F, Galeazzi, F, Marzolla, M, Antohin, EI, Rosenberg, EI, Kerth, LT, Michelon, G, Hernikl, C, Spaan, B, Morandin, M, Posocco, M, Matricon, P, Dvoretskii, A, Rotondo, M, Santi, S, Simonetto, F, Stroili, R, Albert, JN, Roberts, DA, Torassa, E, Robutti, E, Voci, C, Blinov, VE, Bailly, P, Kipnis, I, de Freitas, PM, Benayoun, M, Hanson, JE, Briand, H, Schieck, JR, Chauveau, J, Cottingham, WN, McFall, JD, David, P, De la Vaissiere, C, Del Buono, L, Genat, JF, Hamon, O, Bukin, AD, Renard, C, Blaylock, G, Leruste, P, Le Diberder, F, Hitlin, DG, Aspinwall, ML, Beigbeder, C, Kluth, S, Lebbolo, H, Lory, J, Martin, L, Martinez-Vidal, F, Brochard, F, Roos, L, Stark, J, Roussot, E, Versille, S, Bowerman, DA, Bukin, DA, Benkebil, M, Zhang, B, Deppermann, T, Manfredi, PF, Flood, K, Ratti, L, Kral, JF, Re, V, Speziali, V, Frank, ED, Dauncey, PD, T'Jampens, S, Gladney, L, Futterschneider, H, Guo, QH, Hertzbach, SS, Panetta, JH, Buzykaev, AR, Kolomensky, YG, Angelini, C, Batignani, G, Bettarini, S, Eschrich, I, Bondioli, M, Lafever, R, Thiebaux, C, Thiessen, D, Qi, ND, Bosi, F, Carpinelli, M, Forti, F, Gaddi, A, Gagliardi, D, Wang, P, Gunawardane, NJW, Dubrovin, MS, Giorgi, MA, Crawley, HB, Lusiani, A, Mammini, P, Breton, D, Vasileiadis, G, Morganti, M, Morsani, F, LeClerc, C, Neri, N, Martin, R, Profeti, A, Kay, M, Paoloni, E, Metzler, S, Raffaelli, F, Golubev, VB, Cizeron, R, Rama, M, Verderi, M, Rizzo, G, Sandrelli, F, Schalk, T, Rong, G, Simi, G, Triggiani, G, Haire, M, Levi, ME, Judd, D, Oyang, J, Dardin, S, Paick, K, Turnbull, L, Amerman, L, Kofler, R, Nash, JA, Ivanchenko, VN, Wagoner, DE, Albert, J, Bula, C, Kelsey, MH, Lu, C, McDonald, KT, Du, S, Miftakov, V, Lin, CS, Porter, FC, Price, DR, Lewis, SA, Dorfan, DE, Sands, B, Schaffner, SF, Kolachev, GM, Smith, AJS, Tumanov, A, Varnes, EW, Willocq, S, Grosdidier, G, Bronzini, F, Santroni, A, Buccheri, A, Bulfon, C, Ryd, A, Anjomshoaa, A, Cavoto, G, del Re, D, Lionberger, C, Wittlin, J, Ferrarotto, F, Tisserand, V, Hast, C, Schmuecker, H, Ferroni, F, Fratini, K, Lamanna, E, Leonardi, E, Mazzoni, MA, Lieunard, S, Brau, B, Samuel, A, Morganti, S, Piredda, G, Tehrani, FS, Sanders, P, Hocker, A, Serra, M, Liu, T, Korol, AA, Voena, C, Jacobsen, RG, Waldi, R, Jacques, PF, Bernet, R, Kalelkar, M, Weaver, M, Smith, D, Plano, RJ, Lacker, HM, Adye, T, Claxton, B, Cohen-Tanugi, J, Dowdell, J, Egede, U, Franek, B, Kravchenko, EA, Long, M, Di Lodovico, F, Wallom, D, Galagedera, S, Geddes, NI, De Groot, N, Cowan, R, Yang, S, Gopal, GP, Kay, J, Lidbury, J, Madani, S, Metcalfe, S, Goozen, FR, Markey, G, Muheim, F, Taylor, F, Mikhailov, SF, Kocian, ML, Olley, P, Luo, L, Zhu, RY, Watt, M, Xella, SM, Aleksan, R, Azzopardi, DE, Besson, P, McMahon, S, Bourgeois, P, Convert, P, Playfer, S, LePeltier, V, De Domenico, G, de Lesquen, A, Onuchin, AP, Emery, S, Koch, H, Back, JJ, Johnson, RP, Gaidot, A, Lynch, G, Ganzhur, SF, Georgette, Z, Gosset, L, Watson, AT, Swain, JE, Graffin, P, de Monchenault, GH, Herve, S, Yamamoto, RK, Dixon, P, Karolak, M, Salnikov, AA, Devmal, S, Kozanecki, W, Langer, M, London, GW, Lutz, AM, Luft, P, Falbo, M, Britton, DI, Marques, V, Harrison, PF, Mayer, B, Micout, P, Mols, JP, Mouly, JP, Penichot, Y, Geld, TL, Serednyakov, SI, Plaszczynski, S, Turri, M, Rolquin, J, Serfass, B, Schmitz, RE, Bozzi, C, Toussaint, JC, Usseglio, M, Mandelli, E, Vasseur, G, Yeche, C, Zito, M, Camanzi, B, Copty, N, Schune, MH, Zhu, YS, Bartoldus, R, Purohit, MV, Skovpen, YI, Dittongo, S, Yumiceva, FX, Adam, I, Adesanya, A, Fernholz, R, Anthony, PL, Aston, D, Marino, M, Trincaz-Duvoid, S, Newman-Coburn, D, Bartelt, J, Becla, J, Jayatilleke, S, Bell, R, Eisner, AM, Houde, M, Bloom, E, Telnov, VI, Boeheim, CT, Boyarski, AM, Boyce, RF, Beringer, J, Day, C, Briggs, D, Bulos, F, Burgess, W, Milek, M, Marks, K, Jayatilleke, SM, Folegani, M, Byers, B, Calderini, G, Chestnut, R, Potter, RJL, Yushkov, AN, Truong, K, Claus, R, Patel, PM, Convery, MR, Coombes, R, Cottrell, L, Coupal, DP, Coward, DH, Borgland, AW, Mancinelli, G, Shorthouse, HW, Craddock, WW, Matuk, C, Ferrag, S, Valassi, A, DeBarger, S, DeStaebler, H, Booth, J, Dorfan, J, Doser, M, Dunwoodie, W, Dusatko, JE, Williams, MI, Andress, JC, Muir, A, Ecklund, S, Meadows, BT, Wormser, G, Fieguth, TH, Freytag, DR, Glanzman, T, Meyer, AB, Godfrey, GL, Zachariadou, K, Vidal, PB, Trischuk, J, Haller, G, Hanushevsky, A, Piemontese, L, Harris, J, Krause, R, Hasan, A, Sokoloff, MD, Hee, C, Himel, T, Huffer, ME, Eckstein, P, Wilson, FF, Hung, T, Innes, WR, Minor, R, Lankford, AJ, Ramusino, AC, Alford, O, Jessop, C, Kawahara, H, Keller, L, Lanni, F, Bloom, P, Cowan, G, King, ME, Klaisner, L, Krebs, HJ, Langenegger, U, Langeveld, W, Leith, DWGS, Dyce, N, Treadwell, E, Jared, RC, Louie, SK, Mandelkern, M, Gowdy, S, Mokhtarani, A, Luitz, S, Broomer, B, Luth, V, Lynch, HL, McDonald, J, Manzin, G, Palombo, F, Kroeger, W, Marsiske, H, Anulli, F, George, S, Mattison, T, McCulloch, M, McDougald, M, Pier, S, McShurley, D, Krug, J, Bauer, JM, Momayezi, M, Menke, S, Behne, D, Messner, R, Dignan, T, Baldini-Ferroli, R, Morii, M, Mount, R, Muller, DR, Walkowiak, W, Nelson, D, Nordby, M, Stoker, DP, Erdos, E, Bionta, RM, Green, MG, O'Grady, CP, Olavson, L, Nyman, M, Calcaterra, A, Booke, M, O'Neill, FG, Oxoby, G, Paolucci, P, Pavel, T, Perl, J, Schumm, BA, Bowman, J, Pertsova, M, Fahey, S, Harrison, TJ, Zioulas, G, Petrak, S, de Sangro, R, Putallaz, G, Raines, PE, Oddone, PJ, Ratcliff, BN, Wilden, L, Reif, R, Brigljevic, V, Cremaldi, L, Robertson, SH, Rochester, LS, Roodman, A, Ford, WT, Russel, JJ, Frey, A, Ahsan, A, Sapozhnikov, L, Kurup, A, Saxton, OH, Payne, DJ, Schietinger, T, Brooks, A, Schindler, RH, Ohnemus, J, Schwiening, J, Sciolla, G, Seeman, JT, Eigen, G, Falciai, D, Marker, CE, Kroeger, R, Serbo, VV, Shapiro, S, Arisaka, K, Dacosta, VA, Skarpass, K, Snyder, A, Soderstrom, E, Soha, A, Spanier, SM, Oshatz, D, Abrams, GS, McGrath, P, Stahl, A, Finocchiaro, G, Gaede, F, Stiles, P, Dow, SF, Su, D, Sullivan, MK, Buchanan, C, Talby, M, Clark, AR, Tanaka, HA, McMahon, TR, Va'vra, J, Wagner, SR, Wang, R, Patteri, P, Weber, T, Muller-Pfefferkorn, R, van Hoek, WC, Patton, S, Reep, M, Weinstein, AJR, White, JL, Salvatore, F, Wienands, U, Chun, S, Wisniewski, WJ, Young, CC, Yu, N, Barlow, NR, Fackler, O, Reidy, J, Burchat, PR, Cheng, CH, Johnson, DR, Scott, I, Kirkby, D, Meyer, TI, Pedrali-Noy, M, Roat, C, Henderson, R, Faccini, R, Sanders, DA, Khan, N, Fujino, D, Breon, AB, Berridge, S, Abe, K, Bugg, W, Cohn, H, Michael, AK, Hart, E, Weidemann, AW, Summers, DJ, Benninger, T, Izen, JM, Perazzo, A, Harper, M, Kitayama, I, Hamilton, R, Peruzzi, IM, Palano, A, Lou, XC, Turcotte, M, Arguin, JF, Bianchi, F, Nauenberg, U, Bona, M, Daudo, F, Di Girolamo, B, Lockman, WS, Vaitsas, G, Gamba, D, Grosso, P, Piccolo, M, Kadel, RW, Smol, A, Peters, C, MacFarlane, DB, Trapani, PP, Zanin, D, Olivas, A, Bosisio, L, Brown, D, Foster, B, Della Ricca, G, Wilder, M, Lanceri, L, Pompili, A, Xie, Y, Poropat, P, Prest, M, Rashevskaia, I, Vallazza, E, Prell, SA, Gritsan, AV, Pope, W, Sloane, RJ, Lange, D, Kunze, M, Vuagnin, G, Panvini, RS, Brown, C, Zallo, A, De Silva, A, Kowalewski, R, Pitman, D, Behr, L, Beaulieu, M, Roney, JM, Band, HR, Mugge, M, Charles, E, Rahatlou, S, Park, H, Dasu, S, Pripstein, M, Bagnasco, S, Elmer, P, Martin, JP, Seiden, A, Johnson, JR, Nielsen, J, Orejudos, W, O'Connor, TG, Pan, Y, Prepost, R, Scott, IJ, Walsh, J, Rankin, P, McKemey, AK, Raven, G, Davis, CL, Grillo, AA, Wu, SL, Yu, Z, Quarrie, DR, Olson, H, Zobernig, H, Moore, TB, Neal, H, Fischer, PA, BABAR Collaboration, Rasson, JE, Li, Y, Roe, NA, Roy, J, Buzzo, A, Romosan, A, Sharma, V, Ott, L, Ronan, MT, Fouque, G, Shelkov, VG, Stone, R, Strother, PD, Pavlovich, J, Telnov, AV, von der Lippe, H, Weber, TF, Wenzel, WA, Contri, R, Sen, S, Nief, JY, Abbott, B, Zizka, G, Bright-Thomas, PG, Burke, S, Allison, J, Hawkes, CM, Kirk, A, Knowles, DJ, O'Neale, SW, Callahan, D, Seitz, R, Campagnari, C, Crosetti, G, Parker, E, Dahmes, B, Reinertsen, PL, Barlow, RJ, Hale, D, Chen, GP, Hart, PA, Kuznetsova, N, Taras, P, Kyre, S, Levy, SL, Long, O, Lu, A, Pedrotti, B, Fabbricatore, P, Clark, PJ, May, J, Richman, JD, Smith, JG, Woch, A, Verkerke, W, Witherell, M, Chen, JC, Yellin, S, Wagner, DL, Blouw, J, Fan, Q, Boyd, JT, Harton, JL, Bhimji, W, Zacek, V, Krishnamurthy, M, Lewandowski, B, Soffer, A, Toki, WH, Warner, DW, Wilson, RJ, Zhang, J, Stugu, B, Fullwood, J, Roeben, M, Sadrozinski, H, Brandt, T, Brose, J, Farinon, S, Dahlinger, G, Dickopp, M, Peters, K, Dubitzky, RS, Brown, DN, Lo Vetere, M, Hearty, C, Nicholson, H, Macri, M, Pulliam, T, Minutoli, S, Grothe, M, Monge, MR, Musenich, R, Pallavicini, M, Parodi, R, Passaggio, S, Chevalier, N, Sutton, CS, Jackson, F, Pastore, FC, Patrignani, C, Shi, X, Button-Shafer, J, Pia, MG, Heusch, CA, Priano, C, Mass, A, van Bibber, K, Williams, DC, Wenaus, TJ, Bernard, D, Wright, DM, Schubert, KR, Wuest, CR, Yamamoto, B, Carroll, M, Cooke, P, Fry, JR, Rowe, W, Cartaro, C, Gaponenko, I, Gabathuler, E, Khan, A, Petitpas, P, Gamet, R, Schwierz, R, George, M, Spencer, EN, Lafferty, GD, Groysman, Y, Lamsa, J, Savvas, N, Mallik, U, Simopoulos, ET, Thompson, RJ, Weatherall, JH, Bard, R, Dallapiccola, C, Bonneaud, GR, McKenna, JA, Farbin, A, Kadyk, J, Watson, NK, Jawahery, A, Cochran, J, Lillard, V, Gastaldi, F, Cavallo, N, Robbe, P, De Nardo, G, Sutcliffe, P, Fabozzi, F, Gatto, C, Lista, L, Piccolo, D, Sciacca, C, McKay, R, Chen, E, Cason, NM, DeWitt, J, LoSecco, JM, Touramanis, C, Alsmiller, JRG, Biophysics Photosynthesis/Energy, (Astro)-Particles Physics, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), BABAR, Bosisio, Luciano, DELLA RICCA, Giuseppe, Lanceri, Livio, Poropat, Paolo, Vitale, Lorenzo, Aubert B., Bazan A., Boucham A., Boutigny D., De Bonis I., Favier J., Gaillard J.-M., Jeremie A., Karyotakis Y., Le Flour T., Lees J.P., Lieunard S., Petitpas P., Robbe P., Tisserand V., Zachariadou K., Palano A., Chen G.P., Chen J.C., Qi N.D., Rong G., Wang P., Zhu Y.S., Eigen G., Reinertsen P.L., Stugu B., Abbott B., Abrams G.S., Amerman L., Borgland A.W., Breon A.B., Brown D.N., Button-Shafer J., Clark A.R., Dardin S., Day C., Dow S.F., Fan Q., Gaponenko I., Gill M.S., Goozen F.R., Gowdy S.J., Gritsan A., Groysman Y., Hernikl C., Jacobsen R.G., Jared R.C., Kadel R.W., Kadyk J., Karcher A., Kerth L.T., Kipnis I., Kluth S., Kral J.F., Lafever R., LeClerc C., Levi M.E., Lewis S.A., Lionberger C., Liu T., Long M., Luo L., Lynch G., Luft P., Mandelli E., Marino M., Marks K., Matuk C., Meyer A.B., Minor R., Mokhtarani A., Momayezi M., Nyman M., Oddone P.J., Ohnemus J., Oshatz D., Patton S., Pedrali-Noy M., Perazzo A., Peters C., Pope W., Pripstein M., Quarrie D.R., Rasson J.E., Roe N.A., Romosan A., Ronan M.T., Shelkov V.G., Stone R., Strother P.D., Telnov A.V., von der Lippe H., Weber T.F., Wenzel W.A., Zizka G., Bright-Thomas P.G., Hawkes C.M., Kirk A., Knowles D.J., O'Neale S.W., Watson A.T., Watson N.K., Deppermann T., Koch H., Krug J., Kunze M., Lewandowski B., Peters K., Schmuecker H., Steinke M., Andress J.C., Barlow N.R., Bhimji W., Chevalier N., Clark P.J., Cottingham W.N., De Groot N., Dyce N., Foster B., Mass A., McFall J.D., Wallom D., Wilson F.F., Abe K., Hearty C., McKenna J.A., Thiessen D., Camanzi B., Harrisott T.J., McKemey A.K., Tinslay J., Antohin E.I., Blinov V.E., Bukin A.D., Bukin D.A., Buzykaev A.R., Dubrovin M.S., Golubev V.B., Ivanchenko V.N., Kolachev G.M., Korol A.A., Kravchenko E.A., Mikhailov S.F., Onuchin A.P., Salnikov A.A., Serednyakov S.I., Skovpen Yu.I., Telnov V.I., Yushkov A.N., Booth J., Lankford A.J., Mandelkern M., Pier S., Stoker D.P., Zioulas G., Ahsan A., Arisaka K., Buchanan C., Chun S., Faccini R., MacFarlane D.B., Prell S.A., Rahatlou Sh., Raven G., Sharma V., Burke S., Callahan D., Campagnari C., Dahmes B., Hale D., Hart P.A., Kuznetsova N., Kyre S., Levy S.L., Long O., Lu A., May J., Richman J.D., Verkerke W., Witherell M., Yellin S., Beringer J., DeWitt J., Dorfan D.E., Eisner A.M., Frey A., Grillo A.A., Grothe M., Heusch C.A., Johnson R.P., Kroeger W., Lockman W.S., Pulliam T., Rowe W., Sadrozinski H., Schalk T., Schmitz R.E., Schumm B.A., Seiden A., Spencer E.N., Turri M., Walkowiak W., Wilder M., Williams D.C., Chen E., Dubois-Felsmann G.P., Dvoretskii A., Hanson J.E., Hitlin D.G., Kolomensky Yu.G., Metzler S., Oyang J., Porter F.C., Ryd A., Samuel A., Weaver M., Yang S., Zhu R.Y., Devmal S., Geld T.L., Jayatilleke S., Jayatilleke S.M., Mancinelli G., Meadows B.T., Sokoloff M.D., Bloom P., Broomer B., Erdos E., Fahey S., Ford W.T., Gaede F., van Hoek W.C., Johnson D.R., Michael A.K., Nauenberg U., Olivas A., Park H., Rankin P., Roy J., Sen S., Smith J.G., Wagner D.L., Blouw J., Harton J.L., Krishnamurthy M., Soffer A., Toki W.H., Warner D.W., Wilson R.J., Zhang J., Brandt T., Brose J., Dahlinger G., Dickopp M., Dubitzky R.S., Eckstein P., Futterschneider H., Kocian M.L., Krause R., Muller-Pfefferkorn R., Schubert K.R., Schwierz R., Spaan B., Wilden L., Behr L., Bernard D., Bonneaud G.R., Brochard F., Cohen-Tanugi J., Ferrag S., Fouque G., Gastaldi F., Matricon P., Mora de Freitas P., Renard C., Rousso E., T'Jampens S., Thiebaux C., Vasileiadis G., Verderi M., Anjomshoaa A., Berne R., Di Lodovico F., Muheim F., Playfer S., Swain J.E., Falbo M., Bozzi C., Dittongo S., Folegani M., Piemontese L., Ramusino A.C., Treadwell E., Anulli F., Baldini-Ferroli R., Calcaterra A., de Sangro R., Falciai D., Finocchiaro G., Patteri P., Peruzzi I.M., Piccolo M., Xie Y., Zallo A., Bagnasco S., Buzzo A., Contri R., Crosetti G., Fabbricatore P., Farinon S., Lo Vetere M., Macri M., Minutoli S., Monge M.R., Musenich R., Pallavicini M., Parodi R., Passaggio S., Pastore F.C., Patrignani C., Pia M.G., Priano C., Robutti E., Santroni A., Bartoldus R., Dignan T., Hamilton R., Mallik U., Cochran J., Crawley H.B., Fischer P.A., Lamsa J., McKay R., Meyer W.T., Rosenberg E.I., Albert J.N., Beigbeder C., Benkebil M., Breton D., Cizeron R., Du S., Grosdidier G., Hast C., Hocker A., Lacker H.M., LePeltier V., Lutz A.M., Plaszczynski S., Schune M.H., Trincaz-Duvoid S., Truong K., Valassi A., Wormser G., Alford O., Behne D., Bionta R.M., Bowman J., Brigljevic V., Brooks A., Dacosta V.A., Fackler O., Fujino D., Harper M., Lange D.J., Mugge M., O'Connor T.G., Olson H., Ott L., Parker E., Pedrotti B., Roeben M., Shi X., van Bibber K., Wenaus T.J., Wright D.M., Wuest C.R., Yamamoto B., Carroll M., Cooke P., Fry J.R., Gabathuler E., Gamet R., George M., Kay M., McMahon S., Muir A., Payne D.J., Sloane R.J., Sutcliffe P., Touramanis C., Aspinwall M.L., Bowerman D.A., Dauncey P.D., Eschrich I., Gunawardane N.J.W., Martin R., Nash J.A., Price D.R., Sanders P., Smith D., Azzopardi D.E., Back J.J., Dixon P., Harrison P.F., Newman-Coburn D., Potter R.J.L., Shorthouse H.W., Williams M.I., Vidal P.B., Cowan G., George S., Green M.G., Kurup A., Marker C.E., McGrath P., McMahon T.R., Salvatore F., Scott I., Vaitsas G., Brown D., Davis C.L., Li Y., Pavlovich J., Allison J., Barlow R.J., Boyd J.T., Fullwood J., Jackson F., Khan A., Lafferty G.D., Savvas N., Simopoulos E.T., Thompson R.J., Weatherall J.H., Bard R., Dallapiccola C., Farbin A., Jawahery A., Lillard V., Olsen J., Roberts D.A., Schieck J.R., Blaylock G., Flood K.T., Hertzbach S.S., Kofler R., Lin C.S., Willocq S., Wittlin J., Brau B., Cowan R., Taylor F., Yamamoto R.K., Britton D.I., Fernholz R., Houde M., Milek M., Patel P.M., Trischuk J., Lanni F., Palombo F., Bauer J.M., Booke M., Cremaldi L., Kroeger R., Reep M., Reidy J., Sanders D.A., Summers D.J., Arguin J.F., Beaulieu M., Martin J.P., Nief J.Y., Seitz R., Taras P., Woch A., Zacek V., Nicholson H., Sutton C.S., Cartaro C., Cavallo N., De Nardo G., Fabozzi F., Gatto C., Lista L., Piccolo D., Sciacca C., Cason N.M., LoSecco J.M., Alsmiller J.R.G., Gabriel T.A., Handler T., Heck J., Iwasaki M., Sinev N.B., Caracciolo R., Colecchia F., Dal Corso F., Galeazzi F., Marzolla M., Michelon G., Morandin M., Posocco M., Rotondo M., Santi S., Simonetto F., Stroili R., Torassa E., Voci C., Bailly P., Benayoun M., Briand H., Chauveau J., David P., De la Vaissiere C., Del Buono L., Genat J.-F., Hamon O., Lerusle Ph., Le Diberder F., Lebbolo H., Lory J., Martin L., Martinez-Vidal F., Roos L., Slark J., Versille S., Zhang B., Manfredi P.F., Ratti L., Re V., Speziali V., Frank E.D., Gladney L., Guo Q.H., Panetta J.H., Angelini C., Batignani G., Bettarini S., Bondioli M., Bosi F., Carpinelli M., Forti F., Gaddi A., Gagliardi D., Giorgi M.A., Lusiani A., Mammini P., Morganti M., Morsani F., Neri N., Profeti A., Paoloni E., Raffaelli F., Rama M., Rizzo G., Sandrelli F., Simi G., Triggiani G., Haire M., Judd D., Paick K., Turnbull L., Wagoner D.E., Albert J., Bula C., Kelsey M.H., Lu C., McDonald K.T., Miftakov V., Sands B., Schaffner S.F., Smith A.J.S., Tumanov A., Varnes E.W., Bronzini F., Buccheri A., Bulfon C., Cavoto G., del Re D., Ferrarotto F., Ferroni F., Fratini K., Lamanna E., Leonardi E., Mazzoni M.A., Morganti S., Piredda G., Safai Tehrani F., Serra M., Voena C., Waldi R., Jacques P.F., Kalelkar M., Plano R.J., Adye T., Claxton B., Dowdell J., Egede U., Franek B., Galagedera S., Geddes N.I., Gopal G.P., Kay J., Lidbury J., Madani S., Metealfe S., Metcalfe S., Markey G., Olley P., Watt M., Xella S.M., Aleksan R., Besson P., Bourgeois P., Convert P., De Domenico G., de Lesquen A., Emery S., Gaidot A., Ganzhur S.F., Georgette Z., Gosset L., Graffin P., Hamel de Monchenauk G., Herve S., Karolak M., Kozanecki W., Langer M., London G.W., Marques V., Mayer B., Micout P., Mols J.P., Mouly J.P., Penicho Y., Rolquin J., Serfass B., Toussaint J.C., Usseglio M., Vasseur G., Yeche C., Zito M., Copty N., Purohit M.V., Yumiceva F.X., Adam I., Adesanya A., Anlhony P.L., Aston D., Bartek J., Becla J., Bell R., Bloom E., Boeheim C.T., Boyarski A.M., Boyce R.F., Briggs D., Bulos F., Burgess W., Byers B., Calderini G., Chestau R., Claus R., Convery M.R., Coombes R., Cottrell L., Coupal D.P., Coward D.H., Craddock W.W., DeBarger S., DeStaebler H., Dorfan J., Doser M., Dunwoodie W., Dusatko J.E., Ecklund S., Fieguth T.H., Freytag D.R., Glanzman T., Godfrey G.L., Haller G., Hanushevsky A., Harris J., Hasan A., Hee C., Himel T., Huffer M.E., Hung T., Innes W.R., Jessop C.P., Kawahara H., Keller L., King M.E., Klaisner L., Krebs H.J., Langenegger U., Langeveld W., Leith D.W.G.S., Louie S.K., Luitz S., Luth V., Lynch H.L., McDonald J., Manzin G., Marsiske H., Mattison T., McCulloch M., McDougald M., McShurley D., Menke S., Messner R., Morii M., Mount R., Muller D.R., Nelson D., Nordby M., O'Grady C.P., Olavson L., O'Neill F.G., Oxoby G., Paolucci P., Pavel T., Perl J., Pertsova M., Petrak S., Putallaz G., Raines P.E., Ratcliff B.N., Reif R., Robertson S.H., Rochester L.S., Roodman A., Russel J.J., Sapozhnikov L., Saxton O.H., Schietinger T., Schindler R.H., Schwiening J., Sciolla G., Seeman J.T., Serbo V.V., Shapiro S., Skarpass K., Snyder A., Soderstrom E., Soha A., Spanier S.M., Stahl A., Stiles P., Su D., Sullivan M.K., Talby M., Tanaka H.A., Va'vra J., Wagner S.R., Wang R., Weber T., Weinstein A.J.R., White J.L., Wienands U., Wisniewski W.J., Young C.C., Yu N., Burchat P.R., Cheng C.H., Kirkby D., Meyer T.I., Roat C., Henderson R., Khan N., Berridge S., Bugg W., Cohn H., Hart E., Weidemann A.W., Benninger T., Izen J.M., Kitayama I., Lou X.C., Turcotte M., Bianchi F., Bona M., Daudo F., Di Girolamo B., Gamba D., Grosso P., Smol A., Trapani P.P., Zanin D., Bosisio L., Della Ricca G., Lanceri L., Pompili A., Poropat P., Prest M., Rashevskaia I., Vallazza E., Vuagnin G., Panvini R.S., Brown C., De Silva A., Kowalewski R., Pitman D., Roney J.M., Band H.R., Charles E., Dasu S., Elmer P., Johnson J.R., Nielsen J., Orejudos W., Pan Y., Prepost R., Scott I.J., Walsh J., Wu S.L., Yu Z., Zobernig H., Moore T.B., Neal H., Aubert, B., Bazan, A., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J. M., Jeremie, A., Karyotakis, Y., Le Flour, T., Lees, J. P., Lieunard, S., Petitpas, P., Robbe, P., Tisserand, V., Zachariadou, K., Palano, A., Chen, G. P., Chen, J. C., N. D., Qi, Rong, G., Wang, P., Zhu, Y. S., Eigen, G., Reinertsen, P. L., Stugu, B., Abbott, B., Abrams, G. S., Amerman, L., Borgland, A. W., Breon, A. B., Brown, D. N., Button Shafer, J., Clark, A. R., Dardin, S., Day, C., Dow, S. F., Fan, Q., Gaponenko, I., Gill, M. S., Goozen, F. R., Gowdy, S. J., Gritsan, A., Groysman, Y., Hernikl, C., Jacobsen, R. G., Jared, R. C., Kadel, R. W., Kadyk, J., Karcher, A., Kerth, L. T., Kipnis, I., Kluth, S., Kral, J. F., Lafever, R., Leclerc, C., Levi, M. E., Lewis, S. A., Lionberger, C., Liu, T., Long, M., Luo, L., Lynch, G., Luft, P., Mandelli, E., Marino, M., Marks, K., Matuk, C., Meyer, A. B., Minor, R., Mokhtarani, A., Momayezi, M., Nyman, M., Oddone, P. J., Ohnemus, J., Oshatz, D., Patton, S., Pedrali Noy, M., Perazzo, A., Peters, C., Pope, W., Pripstein, M., Quarrie, D. 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N., Booth, J., Lankford, A. J., Mandelkern, M., Pier, S., Stoker, D. P., Zioulas, G., Ahsan, A., Arisaka, K., Buchanan, C., Chun, S., Faccini, R., Macfarlane, D. B., Prell, S. A., Rahatlou, S. h., Raven, G., Sharma, V., Burke, S., Callahan, D., Campagnari, C., Dahmes, B., Hale, D., Hart, P. A., Kuznetsova, N., Kyre, S., Levy, S. L., Long, O., Lu, A., May, J., Richman, J. D., Verkerke, W., Witherell, M., Yellin, S., Beringer, J., Dewitt, J., Dorfan, D. E., Eisner, A. M., Frey, A., Grillo, A. A., Grothe, M., Heusch, C. A., Johnson, R. P., Kroeger, W., Lockman, W. S., Pulliam, T., Rowe, W., Sadrozinski, H., Schalk, T., Schmitz, R. E., Schumm, B. A., Seiden, A., Spencer, E. N., Turri, M., Walkowiak, W., Wilder, M., Williams, D. C., Chen, E., Dubois Felsmann, G. P., Dvoretskii, A., Hanson, J. E., Hitlin, D. G., Kolomensky, Y. u. G., Metzler, S., Oyang, J., Porter, F. C., Ryd, A., Samuel, A., Weaver, M., Yang, S., Zhu, R. Y., Devmal, S., Geld, T. L., Jayatilleke, S., Jayatilleke, S. M., Mancinelli, G., Meadows, B. T., Sokoloff, M. D., Bloom, P., Broomer, B., Erdos, E., Fahey, S., Ford, W. T., Gaede, F., van Hoek, W. C., Johnson, D. R., Michael, A. K., Nauenberg, U., Olivas, A., Park, H., Rankin, P., Roy, J., Sen, S., Smith, J. G., Wagner, D. L., Blouw, J., Harton, J. L., Krishnamurthy, M., Soffer, A., Toki, W. H., Warner, D. W., Wilson, R. J., Zhang, J., Brandt, T., Brose, J., Dahlinger, G., Dickopp, M., Dubitzky, R. S., Eckstein, P., Futterschneider, H., Kocian, M. L., Krause, R., Müller Pfefferkorn, R., Schubert, K. R., Schwierz, R., Spaan, B., Wilden, L., Behr, L., Bernard, D., Bonneaud, G. R., Brochard, F., Cohen Tanugi, J., Ferrag, S., Fouque, G., Gastaldi, F., Matricon, P., Mora de Freitas, P., Renard, C., Roussot, E., T'Jampens, S., Thiebaux, C., Vasileiadis, G., Verderi, M., Anjomshoaa, A., Bernet, R., Di Lodovico, F., Muheim, F., Playfer, S., Swain, J. E., Falbo, M., Bozzi, C., Dittongo, S., Folegani, M., Piemontese, L., Ramusino, A. 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Ferrarotto, F, Ferroni, F, Fratini, K, Lamanna, E, Leonardi, E, Mazzoni, Ma, Morganti, S, Piredda, G, Tehrani, F, Serra, M, Voena, C, Waldi, R, Jacques, Pf, Kalelkar, M, Plano, Rj, Adye, T, Claxton, B, Dowdell, J, Egede, U, Franek, B, Galagedera, S, Geddes, Ni, Gopal, Gp, Kay, J, Lidbury, J, Madani, S, Metcalfe, S, Markey, G, Olley, P, Watt, M, Xella, Sm, Aleksan, R, Besson, P, Bourgeois, P, Convert, P, De Domenico, G, de Lesquen, A, Emery, S, Gaidot, A, Ganzhur, Sf, Georgette, Z, Gosset, L, Graffin, P, de Monchenault, Gh, Herve, S, Karolak, M, Kozanecki, W, Langer, M, London, Gw, Marques, V, Mayer, B, Micout, P, Mols, Jp, Mouly, Jp, Penichot, Y, Rolquin, J, Serfass, B, Toussaint, Jc, Usseglio, M, Vasseur, G, Yeche, C, Zito, M, Copty, N, Purohit, Mv, Yumiceva, Fx, Adam, I, Adesanya, A, Anthony, Pl, Aston, D, Bartelt, J, Becla, J, Bell, R, Bloom, E, Boeheim, Ct, Boyarski, Am, Boyce, Rf, Briggs, D, Bulos, F, Burgess, W, Byers, B, Calderini, G, Chestnut, R, Claus, R, Convery, Mr, Coombes, R, Cottrell, L, Coupal, Dp, Coward, Dh, Craddock, Ww, Debarger, S, Destaebler, H, Dorfan, J, Doser, M, Dunwoodie, W, Dusatko, Je, Ecklund, S, Fieguth, Th, Freytag, Dr, Glanzman, T, Godfrey, Gl, Haller, G, Hanushevsky, A, Harris, J, Hasan, A, Hee, C, Himel, T, Huffer, Me, Hung, T, Innes, Wr, Jessop, Cp, Kawahara, H, Keller, L, King, Me, Klaisner, L, Krebs, Hj, Langenegger, U, Langeveld, W, Leith, Dwg, Louie, Sk, Luitz, S, Luth, V, Lynch, Hl, Mcdonald, J, Manzin, G, Marsiske, H, Mattison, T, Mcculloch, M, Mcdougald, M, Mcshurley, D, Menke, S, Messner, R, Morii, M, Mount, R, Muller, Dr, Nelson, D, Nordby, M, O'Grady, Cp, Olavson, L, O'Neill, Fg, Oxoby, G, Paolucci, P, Pavel, T, Perl, J, Pertsova, M, Petrak, S, Putallaz, G, Raines, Pe, Ratcliff, Bn, Reif, R, Robertson, Sh, Rochester, L, Roodman, A, Russel, Jj, Sapozhnikov, L, Saxton, Oh, Schietinger, T, Schindler, Rh, Schwiening, J, Sciolla, G, Seeman, Jt, Serbo, Vv, Shapiro, S, Skarpass, K, Snyder, A, Soderstrom, E, Soha, A, Spanier, Sm, Stahl, A, Stiles, P, Su, D, Sullivan, Mk, Talby, M, Tanaka, Ha, Va'Vra, J, Wagner, Sr, Wang, R, Weber, T, Weinstein, Ajr, White, Jl, Wienands, U, Wisniewski, Wj, Young, Cc, Yu, N, Burchat, Pr, Cheng, Ch, Kirkby, D, Meyer, Ti, Roat, C, Henderson, R, Khan, N, Berridge, S, Bugg, W, Cohn, H, Hart, E, Weidemann, Aw, Benninger, T, Izen, Jm, Kitayama, I, Lou, Xc, Turcotte, M, Bianchi, F, Bona, M, Daudo, F, Di Girolamo, B, Gamba, D, Grosso, P, Smol, A, Trapani, Pp, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rashevskaia, I, Vallazza, E, Vuagnin, G, Panvini, R, Brown, C, De Silva, A, Kowalewski, R, Pitman, D, Roney, Jm, Band, Hr, Charles, E, Dasu, S, Elmer, P, Johnson, Jr, Nielsen, J, Orejudos, W, Pan, Y, Prepost, R, Scott, Ij, Walsh, J, Wu, Sl, Yu, Z, Zobernig, H, Moore, Tb, Gaillard, J, Lees, J, Chen, G, Chen, J, Qi, N, Reinertsen, P, Borgland, A, Breon, A, Clark, A, Dow, S, Goozen, F, Gowdy, S, Jacobsen, R, Jared, R, Kadel, R, Kerth, L, Kral, J, Levi, M, Lewis, S, Meyer, A, Oddone, P, Quarrie, D, Rasson, J, Roe, N, Ronan, M, Shelkov, V, Strother, P, Telnov, A, Wenzel, W, Bright Thomas, P, Hawkes, C, Knowles, D, O'Neale, S, Watson, A, Watson, N, Andress, J, Barlow, N, Clark, P, Cottingham, W, Mcfall, J, Wilson, F, Mckenna, J, Harrison, T, Mckemey, A, Antohin, E, Blinov, V, Bukin, A, Bukin, D, Buzykaev, A, Golubev, V, Ivanchenko, V, Kolachev, G, Korol, A, Kravchenko, E, Mikhailov, S, Onuchin, A, Salnikov, A, Serednyakov, S, Skovpen, Y, Telnov, V, Yushkov, A, Lankford, A, Stoker, D, Macfarlane, D, Prell, S, Hart, P, Levy, S, Richman, J, Dorfan, D, Eisner, A, Grillo, A, Heusch, C, Johnson, R, Schmitz, R, Schumm, B, Spencer, E, Williams, D, Dubois Felsmann, G, Hanson, J, Hitlin, D, Kolomensky, Y, Porter, F, Zhu, R, Geld, T, Meadows, B, Sokoloff, M, Ford, W, van Hoek, W, Johnson, D, Michael, A, Smith, J, Wagner, D, Harton, J, Toki, W, Warner, D, Wilson, R, Kocian, M, Schubert, K, Bonneaud, G, de Freitas, P, Swain, J, Ramusino, A, Peruzzi, I, Monge, M, Pastore, F, Pia, M, Crawley, H, Fischer, P, Meyer, W, Rosenberg, E, Lacker, H, Lutz, A, Schune, M, Bionta, R, Dacosta, V, Lange, D, O'Connor, T, Wenaus, T, Wright, D, Wuest, C, Fry, J, Payne, D, Sloane, R, Aspinwall, M, Bowerman, D, Dauncey, P, Gunawardane, N, Nash, J, Price, D, Azzopardi, D, Back, J, Harrison, P, Potter, R, Shorthouse, H, Williams, M, Vidal, P, Green, M, Marker, C, Mcmahon, T, Davis, C, Barlow, R, Boyd, J, Lafferty, G, Simopoulos, E, Thompson, R, Weatherall, J, Roberts, D, Schieck, J, Flood, K, Yamamoto, R, Britton, D, Patel, P, Bauer, J, Sanders, D, Summers, D, Arguin, J, Martin, J, Nief, J, Cason, N, Losecco, J, Alsmiller, J, Gabriel, T, Sinev, N, Genat, J, Manfredi, P, Frank, E, Guo, Q, Panetta, J, Giorgi, M, Lusiani, A, Wagoner, D, Kelsey, M, Mcdonald, K, Schaffner, S, Smith, A, Varnes, E, Mazzoni, M, Jacques, P, Plano, R, Geddes, N, Gopal, G, Xella, S, Ganzhur, S, de Monchenault, G, London, G, Mols, J, Mouly, J, Toussaint, J, Purohit, M, Yumiceva, F, Anthony, P, Boeheim, C, Boyarski, A, Boyce, R, Convery, M, Coupal, D, Coward, D, Craddock, W, Dusatko, J, Fieguth, T, Freytag, D, Godfrey, G, Huffer, M, Innes, W, Jessop, C, King, M, Krebs, H, Leith, D, Louie, S, Lynch, H, Muller, D, O'Grady, C, O'Neill, F, Raines, P, Ratcliff, B, Robertson, S, Russel, J, Saxton, O, Schindler, R, Seeman, J, Serbo, V, Spanier, S, Sullivan, M, Tanaka, H, Wagner, S, Weinstein, A, White, J, Wisniewski, W, Young, C, Burchat, P, Cheng, C, Meyer, T, Weidemann, A, Izen, J, Lou, X, Trapani, P, Roney, J, Band, H, Johnson, J, Wu, S, Moore, T, and Neal, H

Subjects
Nuclear and High Energy Physics, BABAR, B factory, CP violation, detector, data acquisition, trigger, Physics::Instrumentation and Detectors, Cherenkov detector, FOS: Physical sciences, BaBar experiment, B meson, Tracking (particle physics), PARTICLE PHYSICS, PEP2, 01 natural sciences, Particle detector, Particle identification, High Energy Physics - Experiment, law.invention, Nuclear physics, High Energy Physics - Experiment (hep-ex), Particle Physic, law, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Instrumentation, Physics, 010308 nuclear & particles physics, Detector, Particle accelerator, BABAR detector, Semiconductor detector, High Energy Physics::Experiment
Abstract

BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson decays. Charged particle tracks are measured in a multi-layer silicon vertex tracker surrounded by a cylindrical wire drift chamber. Electromagentic showers from electrons and photons are detected in an array of CsI crystals located just inside the solenoidal coil of a superconducting magnet. Muons and neutral hadrons are identified by arrays of resistive plate chambers inserted into gaps in the steel flux return of the magnet. Charged hadrons are identified by dE/dx measurements in the tracking detectors and in a ring-imaging Cherenkov detector surrounding the drift chamber. The trigger, data acquisition and data-monitoring systems, VME- and network-based, are controlled by custom-designed online software. Details of the layout and performance of the detector components and their associated electronics and software are presented., 118 pages, 94 figure files, to be published in Nucl. Inst. and Methods

Published
2002

46. Measurement of the B → Xℓ+ℓ- Branching fraction and search for direct CP violation from a sum of exclusive final states

Author

Lees, Jp, Poireau, V, Tisserand, V, Grauges, E, Palano, A, Eigen, G, Stugu, B, Brown, Dn, Kerth, Lt, Kolomensky, Yg, Lee, Mj, Lynch, G, Koch, H, Schroeder, T, Hearty, C, Mattison, Ts, Mckenna, Ja, Ry, So, Khan, A, Blinov, Ve, Buzykaev, Ar, Druzhinin, Vp, Golubev, Vb, Kravchenko, Ea, Onuchin, Ap, Serednyakov, Si, Skovpen, Yi, Solodov, Ep, Todyshev, Ky, Yushkov, An, Lankford, Aj, Mandelkern, M, Dey, B, Gary, Jw, Long, O, Campagnari, C, Sevilla, Mf, Hong, Tm, Kovalskyi, D, Richman, Jd, West, Ca, Eisner, Am, Lockman, Ws, Schumm, Ba, Seiden, A, Chao, Ds, Cheng, Ch, Echenard, B, Flood, Kt, Hitlin, Dg, Miyashita, Ts, Ongmongkolkul, P, Porter, Fc, Andreassen, R, Huard, Z, Meadows, Bt, Pushpawela, Bg, Sokoloff, Md, Sun, L, Bloom, Pc, Ford, Wt, Gaz, A, Nauenberg, U, Smith, Jg, Wagner, Sr, Ayad, R, Toki, Wh, Spaan, B, Schwierz, R, Bernard, D, Verderi, M, Playfer, S, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Fioravanti, E, Garzia, I, Luppi, E, Piemontese, L, Santoro, V, Calcaterra, A, de Sangro, R, Finocchiaro, G, Martellotti, S, Patteri, P, Peruzzi, Im, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, Mr, Passaggio, S, Patrignani, C, Robutti, E, Bhuyan, B, Prasad, V, Morii, M, Adametz, A, Uwer, U, Lacker, Hm, Dauncey, Pd, Mallik, U, Chen, C, Cochran, J, Meyer, Wt, Prell, S, Ahmed, H, Gritsan, Av, Arnaud, N, Davier, M, Derkach, D, Grosdidier, G, Le Diberder, F, Lutz, Am, Malaescu, B, Roudeau, P, Stocchi, A, Wormser, G, Lange, Dj, Wright, Dm, Coleman, Jp, Fry, Jr, Gabathuler, E, Hutchcroft, De, Payne, Dj, Touramanis, C, Bevan, Aj, Di Lodovico, F, Sacco, R, Cowan, G, Bougher, J, Davis, Cl, Denig, Ag, Fritsch, M, Gradl, W, Griessinger, K, Hafner, A, Prencipe, E, Schubert, Kr, Barlow, Rj, Lafferty, Gd, Cenci, R, Hamilton, B, Jawahery, A, Roberts, Da, Cowan, R, Dujmic, D, Sciolla, G, Cheaib, R, Patel, Pm, Robertson, Sh, Biassoni, P, Neri, N, Palombo, F, Cremaldi, L, Godang, R, Sonnek, P, Summers, Dj, Simard, M, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Martinelli, M, Raven, G, Jessop, Cp, Losecco, Jm, Honscheid, K, Kass, R, Brau, J, Frey, R, Sinev, Nb, Strom, D, Torrence, E, Feltresi, E, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simi, G, Simonetto, F, Stroili, R, Akar, S, Ben Haim, E, Bomben, M, Bonneaud, Gr, Briand, H, Calderini, G, Chauveau, J, Leruste, P, Marchiori, G, Ocariz, J, Sitt, S, Biasini, M, Manoni, E, Pacetti, S, Rossi, A, Angelini, C, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Cervelli, A, Chrzaszcz, M, Forti, F, Giorgi, Ma, Lusiani, A, Oberhof, B, Paoloni, E, Perez, A, Rizzo, G, Walsh, Jj, Pegna, Dl, Olsen, J, Smith, Ajs, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Gioi, Ll, Piredda, G, Bunger, C, Grunberg, O, Hartmann, T, Leddig, T, Voss, C, Waldi, R, Adye, T, Olaiya, Eo, Wilson, Ff, Emery, S, de Monchenault, Gh, Vasseur, G, Yeche, C, Anulli, F, Aston, D, Bard, Dj, Benitez, Jf, Cartaro, C, Convery, Mr, Dorfan, J, Dubois Felsmann, Gp, Dunwoodie, W, Ebert, M, Field, Rc, Fulsom, Bg, Gabareen, Am, Graham, Mt, Hast, C, Innes, Wr, Kim, P, Kocian, Ml, Leith, Dwgs, Lewis, P, Lindemann, D, Lindquist, B, Luitz, S, Luth, V, Lynch, Hl, Macfarlane, Db, Muller, Dr, Neal, H, Nelson, S, Perl, M, Pulliam, T, Ratcliff, Bn, Roodman, A, Salnikov, Aa, Schindler, Rh, Snyder, A, Su, D, Sullivan, Mk, Va'Vra, J, Wagner, Ap, Wang, Wf, Wisniewski, Wj, Wittgen, M, Wright, Dh, Wulsin, Hw, Ziegler, V, Park, W, Purohit, Mv, White, Rm, Wilson, Jr, Randle Conde, A, Sekula, Sj, Bellis, M, Burchat, Pr, Puccio, Emt, Alam, Ms, Ernst, Ja, Gorodeisky, R, Guttman, N, Peimer, Dr, Soffer, A, Spanier, Sm, Ritchie, Jl, Ruland, Am, Schwitters, Rf, Wray, Bc, Izen, Jm, Lou, Xc, Bianchi, F, De Mori, F, Filippi, A, Gamba, D, Zambito, S, Lanceri, Livio, Vitale, Lorenzo, Martinez Vidal, F, Oyanguren, A, Villanueva Perez, P, Albert, J, Banerjee, S, Bernlochner, Fu, Choi, Hhf, King, Gj, Kowalewski, R, Lewczuk, Mj, Lueck, T, Nugent, Im, Roney, Jm, Sobie, Rj, Tasneem, N, Gershon, Tj, Harrison, Pf, Latham, Te, Band, Hr, Dasu, S, Pan, Y, Prepost, R, Sl, Wu, Lees, Jp, Poireau, V, Tisserand, V, Grauges, E, Palano, A, Eigen, G, Stugu, B, Brown, Dn, Kerth, Lt, Kolomensky, Yg, Lee, Mj, Lynch, G, Koch, H, Schroeder, T, Hearty, C, Mattison, T, Mckenna, Ja, So, Ry, Khan, A, Blinov, Ve, Buzykaev, Ar, Druzhinin, Vp, Golubev, Vb, Kravchenko, Ea, Onuchin, Ap, Serednyakov, Si, Skovpen, Yi, Solodov, Ep, Todyshev, Ky, Yushkov, An, Lankford, Aj, Mandelkern, M, Dey, B, Gary, Jw, Long, O, Campagnari, C, Sevilla, Mf, Hong, Tm, Kovalskyi, D, Richman, Jd, West, Ca, Eisner, Am, Lockman, W, Schumm, Ba, Seiden, A, Chao, D, Cheng, Ch, Echenard, B, Flood, Kt, Hitlin, Dg, Miyashita, T, Ongmongkolkul, P, Porter, Fc, Andreassen, R, Huard, Z, Meadows, Bt, Pushpawela, Bg, Sokoloff, Md, Sun, L, Bloom, Pc, Ford, Wt, Gaz, A, Nauenberg, U, Smith, Jg, Wagner, Sr, Ayad, R, Toki, Wh, Spaan, B, Schwierz, R, Bernard, D, Verderi, M, Playfer, S, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Fioravanti, E, Garzia, I, Luppi, E, Piemontese, L, Santoro, V, Calcaterra, A, de Sangro, R, Finocchiaro, G, Martellotti, S, Patteri, P, Peruzzi, Im, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, Mr, Passaggio, S, Patrignani, C, Robutti, E, Bhuyan, B, Prasad, V, Morii, M, Adametz, A, Uwer, U, Lacker, Hm, Dauncey, Pd, Mallik, U, Chen, C, Cochran, J, Meyer, Wt, Prell, S, Ahmed, H, Gritsan, Av, Arnaud, N, Davier, M, Derkach, D, Grosdidier, G, Le Diberder, F, Lutz, Am, Malaescu, B, Roudeau, P, Stocchi, A, Wormser, G, Lange, Dj, Wright, Dm, Coleman, Jp, Fry, Jr, Gabathuler, E, Hutchcroft, De, Payne, Dj, Touramanis, C, Bevan, Aj, Di Lodovico, F, Sacco, R, Cowan, G, Bougher, J, Davis, Cl, Denig, Ag, Fritsch, M, Gradl, W, Griessinger, K, Hafner, A, Prencipe, E, Schubert, Kr, Barlow, Rj, Lafferty, Gd, Cenci, R, Hamilton, B, Jawahery, A, Roberts, Da, Cowan, R, Dujmic, D, Sciolla, G, Cheaib, R, Patel, Pm, Robertson, Sh, Biassoni, P, Neri, N, Palombo, F, Cremaldi, L, Godang, R, Sonnek, P, Summers, Dj, Simard, M, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Martinelli, M, Raven, G, Jessop, Cp, Losecco, Jm, Honscheid, K, Kass, R, Brau, J, Frey, R, Sinev, Nb, Strom, D, Torrence, E, Feltresi, E, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simi, G, Simonetto, F, Stroili, R, Akar, S, Ben Haim, E, Bomben, M, Bonneaud, Gr, Briand, H, Calderini, G, Chauveau, J, Leruste, P, Marchiori, G, Ocariz, J, Sitt, S, Biasini, M, Manoni, E, Pacetti, S, Rossi, A, Angelini, C, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Cervelli, A, Chrzaszcz, M, Forti, F, Giorgi, Ma, Lusiani, A, Oberhof, B, Paoloni, E, Perez, A, Rizzo, G, Walsh, Jj, Pegna, Dl, Olsen, J, Smith, Aj, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Gioi, Ll, Piredda, G, Bunger, C, Grunberg, O, Hartmann, T, Leddig, T, Voss, C, Waldi, R, Adye, T, Olaiya, Eo, Wilson, Ff, Emery, S, de Monchenault, Gh, Vasseur, G, Yeche, C, Anulli, F, Aston, D, Bard, Dj, Benitez, Jf, Cartaro, C, Convery, Mr, Dorfan, J, Dubois Felsmann, Gp, Dunwoodie, W, Ebert, M, Field, Rc, Fulsom, Bg, Gabareen, Am, Graham, Mt, Hast, C, Innes, Wr, Kim, P, Kocian, Ml, Leith, Dwg, Lewis, P, Lindemann, D, Lindquist, B, Luitz, S, Luth, V, Lynch, Hl, Macfarlane, Db, Muller, Dr, Neal, H, Nelson, S, Perl, M, Pulliam, T, Ratcliff, Bn, Roodman, A, Salnikov, Aa, Schindler, Rh, Snyder, A, Su, D, Sullivan, Mk, Va'Vra, J, Wagner, Ap, Wang, Wf, Wisniewski, Wj, Wittgen, M, Wright, Dh, Wulsin, Hw, Ziegler, V, Park, W, Purohit, Mv, White, Rm, Wilson, Jr, Randle Conde, A, Sekula, Sj, Bellis, M, Burchat, Pr, Puccio, Emt, Alam, M, Ernst, Ja, Gorodeisky, R, Guttman, N, Peimer, Dr, Soffer, A, Spanier, Sm, Ritchie, Jl, Ruland, Am, Schwitters, Rf, Wray, Bc, Izen, Jm, Lou, Xc, Bianchi, F, De Mori, F, Filippi, A, Gamba, D, Zambito, S, Lanceri, Livio, Vitale, Lorenzo, Martinez Vidal, F, Oyanguren, A, Villanueva Perez, P, Albert, J, Banerjee, S, Bernlochner, Fu, Choi, Hhf, King, Gj, Kowalewski, R, Lewczuk, Mj, Lueck, T, Nugent, Im, Roney, Jm, Sobie, Rj, Tasneem, N, Gershon, Tj, Harrison, Pf, Latham, Te, Band, Hr, Dasu, S, Pan, Y, Prepost, R, Wu, Sl, Lees, J, Brown, D, Kerth, L, Kolomensky, Y, Lee, M, Mckenna, J, So, R, Blinov, V, Buzykaev, A, Druzhinin, V, Golubev, V, Kravchenko, E, Onuchin, A, Serednyakov, S, Skovpen, Y, Solodov, E, Todyshev, K, Yushkov, A, Lankford, A, Gary, J, Sevilla M., F, Hong, T, Richman, J, West, C, Eisner, A, Schumm, B, Cheng, C, Flood, K, Hitlin, D, Porter, F, Meadows, B, Pushpawela, B, Sokoloff, M, Bloom, P, Ford, W, Smith, J, Wagner, S, Toki, W, Peruzzi, I, Monge, M, Lacker, H, Dauncey, P, Meyer, W, Gritsan, A, Lutz, A, Lange, D, Wright, D, Coleman, J, Fry, J, Hutchcroft, D, Payne, D, Bevan, A, Davis, C, Denig, A, Schubert, K, Barlow, R, Lafferty, G, Roberts, D, Patel, P, Robertson, S, Summers, D, Jessop, C, Losecco, J, Sinev, N, Bonneaud, G, Giorgi, M, Walsh, J, Pegna D., L, Smith, A, Gioi L., L, Buenger, C, Gruenberg, O, Olaiya, E, Wilson, F, de Monchenault G., H, Bard, D, Benitez, J, Convery, M, Dubois Felsmann, G, Field, R, Fulsom, B, Gabareen, A, Graham, M, Innes, W, Kocian, M, Leith, D, Lynch, H, Macfarlane, D, Muller, D, Ratcliff, B, Salnikov, A, Schindler, R, Sullivan, M, Wagner, A, Wang, W, Wisniewski, W, Wulsin, H, Purohit, M, White, R, Wilson, J, Sekula, S, Burchat, P, Puccio, E, Ernst, J, Peimer, D, Spanier, S, Ritchie, J, Ruland, A, Schwitters, R, Wray, B, Izen, J, Lou, X, Lanceri, L, Vitale, L, Bernlochner, F, Choi, H, King, G, Lewczuk, M, Nugent, I, Roney, J, Sobie, R, Gershon, T, Harrison, P, Latham, T, Band, H, and Wu, S

Subjects
Neutral current, B mesons, flavor-changing neutral-current process, decay rate, forward-backward asymmetry, BaBar detector, decay rate, CP asymmetrie, CP violation, Lepton-flavor, forward-backward asymmetry, Branching fraction, Measurements of, B mesons, flavor-changing neutral-current process, BaBar detector, Hadronic system
Abstract

We measure the total branching fraction of the flavor-changing neutral-current process B -> X(s)l(+)l(-), along with partial branching fractions in bins of dilepton and hadronic system (X-s) mass, using a sample of 471 x 10(6)Upsilon(4S) -> B (B) over bar events recorded with the BABAR detector. The admixture of charged and neutral B mesons produced at PEP-II2 are reconstructed by combining a dilepton pair with 10 different X-s final states. Extrapolating from a sum over these exclusive modes, we measure a lepton-flavor-averaged inclusive branching fraction B(B -> X(s)l(+)l(-)) = [6.73(-0.64)(+0.70)(stat)(-0.25)(+0.34)(exp syst) +/- 0.50(model syst)] x 10(-6) for m(l+l-)(2) > 0.1 GeV2/c(4). Restricting our analysis exclusively to final states from which a decaying B meson's flavor can be inferred, we additionally report measurements of the direct CP asymmetry A(CP) in bins of dilepton mass; over the full dilepton mass range, we find A(CP) = 0.04 +/- 0.11 +/- 0.01 for a leptonflavor-averaged sample.

Published
2014

47. First Observation of CP Violation in B ¯ 0 → DCP (∗) h0 Decays by a Combined Time-Dependent Analysis of BABAR and Belle Data

Author

Abdesselam, A, Adachi, I, Adametz, A, Adye, T, Ahmed, H, Aihara, H, Akar, S, Alam, MS, Albert, J, Al Said, S, Andreassen, R, Angelini, C, Anulli, F, Arinstein, K, Arnaud, N, Asner, DM, Aston, D, Aulchenko, V, Aushev, T, Ayad, R, Babu, V, Badhrees, I, Bahinipati, S, Bakich, AM, Band, HR, Banerjee, S, Barberio, E, Bard, DJ, Barlow, RJ, Batignani, G, Beaulieu, A, Bellis, M, Ben-Haim, E, Bernard, D, Bernlochner, FU, Bettarini, S, Bettoni, D, Bevan, AJ, Bhardwaj, V, Bhuyan, B, Bianchi, F, Biasini, M, Biswal, J, Blinov, VE, Bloom, PC, Bobrov, A, Bomben, M, Bondar, A, Bonneaud, GR, Bonvicini, G, Bozek, A, Bozzi, C, Bračko, M, Briand, H, Browder, TE, Brown, DN, Bünger, C, Burchat, PR, Buzykaev, AR, Calabrese, R, Calcaterra, A, Calderini, G, Carpinelli, M, Cartaro, C, Casarosa, G, Cenci, R, Červenkov, D, Chang, P, Chao, DS, Chauveau, J, Cheaib, R, Chekelian, V, Chen, A, Chen, C, Cheng, CH, Cheon, BG, Chilikin, K, Chistov, R, and Cho, K

Abstract

© 2015 American Physical Society. © 2015 American Physical Society. We report a measurement of the time-dependent CP asymmetry of B¯0→DCP(∗)h0 decays, where the light neutral hadron h0 is a π0, η, or ω meson, and the neutral D meson is reconstructed in the CP eigenstates K+K-, KS0π0, or KS0ω. The measurement is performed combining the final data samples collected at the (4S) resonance by the BABAR and Belle experiments at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain (471±3)×106BB¯ pairs recorded by the BABAR detector and (772±11)×106BB¯ pairs recorded by the Belle detector. We measure the CP asymmetry parameters -ηfS=+0.66±0.10(stat)±0.06(syst) and C=-0.02±0.07(stat)±0.03(syst). These results correspond to the first observation of CP violation in B¯0→DCP(∗)h0 decays. The hypothesis of no mixing-induced CP violation is excluded in these decays at the level of 5.4 standard deviations.

Published
2015

48. Cross sections for the reactions e(+)e(-) -> K+K-pi(+)pi(-), K+K-pi(0)pi(0), and K+K-K+K- measured using initial-state radiation events

Author

Lees, Jp, Poireau, V, Prencipe, E, Tisserand, V, Tico, Jg, Grauges, E, Martinelli, M, Milanes, Da, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Brown, Dn, Kerth, Lt, Kolomensky, Yg, Lynch, G, Koch, H, Schroeder, T, Asgeirsson, Dj, Hearty, C, Mattison, Ts, Mckenna, Ja, Khan, A, Blinov, Ve, Buzykaev, Ar, Druzhinin, Vp, Golubev, Vb, Kravchenko, Ea, Onuchin, Ap, Serednyakov, Si, Skovpen, Yi, Solodov, Ep, Todyshev, Ky, Yushkov, An, Bondioli, M, Curry, S, Kirkby, D, Lankford, Aj, Mandelkern, M, Stoker, Dp, Atmacan, H, Gary, Jw, Liu, F, Long, O, Vitug, Gm, Campagnari, C, Hong, Tm, Kovalskyi, D, Richman, Jd, West, Ca, Eisner, Am, Kroseberg, J, Lockman, Ws, Martinez, Aj, Schalk, T, Schumm, Ba, Seiden, A, Cheng, Ch, Doll, Da, Echenard, B, Flood, Kt, Hitlin, Dg, Ongmongkolkul, P, Porter, Fc, Rakitin, Ay, Andreassen, R, Dubrovin, Ms, Meadows, Bt, Sokoloff, Md, Bloom, Pc, Ford, Wt, Gaz, A, Nagel, M, Nauenberg, U, Smith, Jg, Wagner, Sr, Ayad, R, Toki, Wh, Spaan, B, Kobel, Mj, Schubert, Kr, Schwierz, R, Bernard, D, Verderi, M, Clark, Pj, Playfer, S, Watson, Je, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Fioravanti, E, Garzia, I, Luppi, E, Munerato, M, Negrini, M, Piemontese, L, Baldini Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Nicolaci, M, Pacetti, S, Patteri, P, Peruzzi, Im, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, Mr, Passaggio, S, Patrignani, C, Robutti, E, Bhuyan, B, Prasad, V, Lee, Cl, Morii, M, Edwards, Aj, Adametz, A, Marks, J, Uwer, U, Bernlochner, Fu, Ebert, M, Lacker, Hm, Lueck, T, Dauncey, Pd, Tibbetts, M, Behera, Pk, Mallik, U, Chen, C, Cochran, J, Crawley, Hb, Meyer, Wt, Prell, S, Rosenberg, Ei, Rubin, Ae, Gritsan, Av, Guo, Zj, Arnaud, N, Davier, M, Derkach, D, Grosdidier, G, Le Diberder, F, Lutz, Am, Malaescu, B, Roudeau, P, Schune, Mh, Stocchi, A, Wormser, G, Lange, Dj, Wright, Dm, Bingham, I, Chavez, Ca, Coleman, Jp, Fry, Jr, Gabathuler, E, Hutchcroft, De, Payne, Dj, Touramanis, C, Bevan, Aj, Di Lodovico, F, Sacco, R, Sigamani, M, Cowan, G, Paramesvaran, S, Davis, Cl, Denig, Ag, Fritsch, M, Gradl, W, Hafner, A, Alwyn, Ke, Bailey, D, Barlow, Rj, Jackson, G, Lafferty, Gd, Cenci, R, Hamilton, B, Jawahery, A, Roberts, Da, Simi, G, Dallapiccola, C, Salvati, E, Cowan, R, Dujmic, D, Sciolla, G, Lindemann, D, Patel, Pm, Robertson, Sh, Schram, M, Biassoni, P, Lazzaro, A, Lombardo, V, Palombo, F, Stracka, Simone, Cremaldi, L, Godang, R, Kroeger, R, Sonnek, P, Summers, Dj, Nguyen, X, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Raven, G, Snoek, Hl, Jessop, Cp, Knoepfel, Kj, Losecco, Jm, Wang, Wf, Honscheid, K, Kass, R, Brau, J, Frey, R, Sinev, Nb, Strom, D, Torrence, E, Feltresi, E, Gagliardi, N, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simonetto, F, Stroili, R, Ben Haim, E, Bomben, M, Bonneaud, Gr, Briand, H, Calderini, Giovanni, Chauveau, J, Hamon, O, Leruste, P, Marchiori, G, Ocariz, J, Sitt, S, Biasini, M, Manoni, E, Rossi, A, Angelini, Carlo, Batignani, Giovanni, Bettarini, Stefano, Carpinelli, M, Casarosa, G, Cervelli, A, Forti, Francesco, Giorgi, Marcello, Lusiani, A, Neri, N, Oberhof, B, Paoloni, Eugenio, Perez, A, Rizzo, Giuliana, Walsh, Jj, Pegna, Dl, Lu, C, Olsen, J, Smith, Ajs, Telnov, Av, Anulli, F, Cavoto, G, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Gioi, Ll, Mazzoni, Ma, Piredda, G, Bunger, C, Hartmann, T, Leddig, T, Schroder, H, Waldi, R, Adye, T, Olaiya, Eo, Wilson, Ff, Emery, S, de Monchenault GH, Vasseur, G, Yeche, C, Aston, D, Bard, Dj, Bartoldus, R, Benitez, Jf, Cartaro, C, Convery, Mr, Dorfan, J, Dubois Felsmann GP, Dunwoodie, W, Field, Rc, Sevilla, Mf, Fulsom, Bg, Gabareen, Am, Graham, Mt, Grenier, P, Hast, C, Innes, Wr, Kelsey, Mh, Kim, H, Kim, P, Kocian, Ml, Leith, Dwgs, Lewis, P, Li, S, Lindquist, B, Luitz, S, Luth, V, Lynch, Hl, Macfarlane, Db, Muller, Dr, Neal, H, Nelson, S, Ofte, I, Perl, M, Pulliam, T, Ratcliff, Bn, Roodman, A, Salnikov, Aa, Santoro, V, Schindler, Rh, Snyder, A, Su, D, Sullivan, Mk, Va'Vra, J, Wagner, Ap, Weaver, M, Wisniewski, Wj, Wittgen, M, Wright, Dh, Wulsin, Hw, Yarritu, Ak, Young, Cc, Ziegler, V, Park, W, Purohit, Mv, White, Rm, Wilson, Jr, Randle Conde, A, Sekula, Sj, Bellis, M, Burchat, Pr, Miyashita, Ts, Alam, Ms, Ernst, Ja, Gorodeisky, R, Guttman, N, Peimer, Dr, Soffer, A, Lund, P, Spanier, Sm, Eckmann, R, Ritchie, Jl, Ruland, Am, Schilling, Cj, Schwitters, Rf, Wray, Bc, Izen, Jm, Lou, Xc, Bianchi, F, Gamba, D, Lanceri, L, Vitale, L, Lopez March, N, Martinez Vidal, F, Oyanguren, A, Ahmed, H, Albert, J, Banerjee, S, Choi, Hhf, King, Gj, Kowalewski, R, Lewczuk, Mj, Lindsay, C, Nugent, Im, Roney, Jm, Sobie, Rj, Gershon, Tj, Harrison, Pf, Latham, Te, Puccio, Emt, Band, Hr, Dasu, S, Pan, Y, Prepost, R, Vuosalo, Co, Wu, Sl, J. P., Lee, V., Poireau, E., Prencipe, V., Tisserand, J. G., Tico, E., Grauge, M., Martinelli, D. A., Milane, A., Palano, M., Pappagallo, G., Eigen, B., Stugu, L., Sun, D. N., Brown, L. T., Kerth, Y. G., Kolomensky, G., Lynch, H., Koch, T., Schroeder, D. J., Asgeirsson, C., Hearty, T. S., Mattison, J. A., Mckenna, A., Khan, V. E., Blinov, A. R., Buzykaev, V. P., Druzhinin, V. B., Golubev, E. A., Kravchenko, A. P., Onuchin, S. I., Serednyakov, Y. I., Skovpen, E. P., Solodov, K. Y., Todyshev, A. N., Yushkov, M., Bondioli, S., Curry, D., Kirkby, A. J., Lankford, M., Mandelkern, D. P., Stoker, H., Atmacan, J. W., Gary, F., Liu, O., Long, G. M., Vitug, C., Campagnari, T. M., Hong, D., Kovalskyi, J. D., Richman, C. A., West, A. M., Eisner, J., Kroseberg, W. S., Lockman, A. J., Martinez, T., Schalk, B. A., Schumm, A., Seiden, C. H., Cheng, D. A., Doll, B., Echenard, K. T., Flood, D. G., Hitlin, P., Ongmongkolkul, F. C., Porter, A. Y., Rakitin, R., Andreassen, M. S., Dubrovin, B. T., Meadow, M. D., Sokoloff, P. C., Bloom, W. T., Ford, A., Gaz, M., Nagel, U., Nauenberg, J. G., Smith, S. R., Wagner, R., Ayad, W. H., Toki, B., Spaan, M. J., Kobel, K. R., Schubert, R., Schwierz, D., Bernard, M., Verderi, P. J., Clark, S., Playfer, J. E., Watson, D., Bettoni, C., Bozzi, R., Calabrese, G., Cibinetto, E., Fioravanti, I., Garzia, E., Luppi, M., Munerato, M., Negrini, L., Piemontese, R., Baldini Ferroli, A., Calcaterra, R. d., Sangro, G., Finocchiaro, M., Nicolaci, S., Pacetti, P., Patteri, I. M., Peruzzi, M., Piccolo, M., Rama, A., Zallo, R., Contri, E., Guido, M. L., Vetere, M. R., Monge, S., Passaggio, C., Patrignani, E., Robutti, B., Bhuyan, V., Prasad, C. L., Lee, M., Morii, A. J., Edward, A., Adametz, J., Mark, U., Uwer, F. U., Bernlochner, M., Ebert, H. M., Lacker, T., Lueck, P. D., Dauncey, M., Tibbett, P. K., Behera, U., Mallik, C., Chen, J., Cochran, H. B., Crawley, W. T., Meyer, S., Prell, E. I., Rosenberg, A. E., Rubin, A. V., Gritsan, Z. J., Guo, N., Arnaud, M., Davier, D., Derkach, G., Grosdidier, F. L., Diberder, A. M., Lutz, B., Malaescu, P., Roudeau, M. H., Schune, A., Stocchi, G., Wormser, D. J., Lange, D. M., Wright, I., Bingham, C. A., Chavez, J. P., Coleman, J. R., Fry, E., Gabathuler, D. E., Hutchcroft, D. J., Payne, C., Touramani, A. J., Bevan, F. D., Lodovico, R., Sacco, M., Sigamani, G., Cowan, S., Paramesvaran, C. L., Davi, A. G., Denig, M., Fritsch, W., Gradl, A., Hafner, K. E., Alwyn, D., Bailey, R. J., Barlow, G., Jackson, G. D., Lafferty, R., Cenci, B., Hamilton, A., Jawahery, D. A., Robert, G., Simi, C., Dallapiccola, E., Salvati, R., Cowan, D., Dujmic, G., Sciolla, D., Lindemann, P. M., Patel, S. H., Robertson, M., Schram, P., Biassoni, A., Lazzaro, V., Lombardo, F., Palombo, S., Stracka, L., Cremaldi, R., Godang, R., Kroeger, P., Sonnek, D. J., Summer, X., Nguyen, P., Tara, G. D., Nardo, D., Monorchio, G., Onorato, C., Sciacca, G., Raven, H. L., Snoek, C. P., Jessop, K. J., Knoepfel, J. M., Losecco, W. F., Wang, K., Honscheid, R., Ka, J., Brau, R., Frey, N. B., Sinev, D., Strom, E., Torrence, E., Feltresi, N., Gagliardi, M., Margoni, M., Morandin, M., Posocco, M., Rotondo, F., Simonetto, R., Stroili, E., Ben Haim, M., Bomben, G. R., Bonneaud, H., Briand, G., Calderini, J., Chauveau, O., Hamon, P., Leruste, G., Marchiori, J., Ocariz, S., Sitt, M., Biasini, E., Manoni, A., Rossi, C., Angelini, G., Batignani, S., Bettarini, M., Carpinelli, G., Casarosa, A., Cervelli, F., Forti, M. A., Giorgi, A., Lusiani, N., Neri, B., Oberhof, E., Paoloni, A., Perez, G., Rizzo, J. J., Walsh, D. L., Pegna, C., Lu, J., Olsen, A. J., S., A. V., Telnov, F., Anulli, G., Cavoto, R., Faccini, F., Ferrarotto, F., Ferroni, M., Gaspero, L. L., Gioi, M. A., Mazzoni, G., Piredda, C., Bunger, T., Hartmann, T., Leddig, H., Schroder, R., Waldi, T., Adye, E. O., Olaiya, F. F., Wilson, S., Emery, G. H., De, G., Vasseur, C., Yeche, D., Aston, D. J., Bard, R., Bartoldu, J. F., Benitez, C., Cartaro, M. R., Convery, J., Dorfan, G. P., Dubois Felsmann, W., Dunwoodie, R. C., Field, M. F., Sevilla, B. G., Fulsom, A. M., Gabareen, M. T., Graham, P., Grenier, C., Hast, W. R., Inne, M. H., Kelsey, H., Kim, P., Kim, M. L., Kocian, D. W., G., P., Lewi, S., Li, B., Lindquist, S., Luitz, V., Luth, H. L., Lynch, D. B., Macfarlane, D. R., Muller, H., Neal, S., Nelson, I., Ofte, M., Perl, T., Pulliam, B. N., Ratcliff, A., Roodman, A. A., Salnikov, V., Santoro, R. H., Schindler, A., Snyder, D., Su, M. K., Sullivan, J., Va'Vra, A. P., Wagner, M., Weaver, W. J., Wisniewski, M., Wittgen, D. H., Wright, H. W., Wulsin, A. K., Yarritu, C. C., Young, V., Ziegler, W., Park, M. V., Purohit, R. M., White, J. R., Wilson, A., Randle Conde, S. J., Sekula, M., Belli, P. R., Burchat, T. S., Miyashita, M. S., Alam, J. A., Ernst, R., Gorodeisky, N., Guttman, D. R., Peimer, A., Soffer, P., Lund, S. M., Spanier, R., Eckmann, J. L., Ritchie, A. M., Ruland, C. J., Schilling, R. F., Schwitter, B. C., Wray, J. M., Izen, X. C., Lou, F., Bianchi, D., Gamba, Lanceri, Livio, Vitale, Lorenzo, N., Lopez March, F., Martinez Vidal, A., Oyanguren, H., Ahmed, J., Albert, S., Banerjee, H. H., F., G. J., King, R., Kowalewski, M. J., Lewczuk, C., Lindsay, I. M., Nugent, J. M., Roney, R. J., Sobie, T. J., Gershon, P. F., Harrison, T. E., Latham, E. M., T., H. R., Band, S., Dasu, Y., Pan, R., Prepost, C. O., Vuosalo, S. L., Wu, Lees, J. P., Poireau, V., Prencipe, E., Tisserand, V., Garra Tico, J., Grauges, E., Martinelli, M., Milanes, D. A., Palano, A., Pappagallo, M., Eigen, G., Stugu, B., Sun, L., Brown, D. N., Kerth, L. T., Kolomensky, Yu. G., Lynch, G., Koch, H., Schroeder, T., Asgeirsson, D. J., Hearty, C., Mattison, T. S., Mckenna, J. A., Khan, A., Blinov, V. E., Buzykaev, A. R., Druzhinin, V. P., Golubev, V. B., Kravchenko, E. A., Onuchin, A. P., Serednyakov, S. I., Skovpen, Yu. I., Solodov, E. P., Todyshev, K. Yu., Yushkov, A. N., Bondioli, M., Curry, S., Kirkby, D., Lankford, A. J., Mandelkern, M., Stoker, D. P., Atmacan, H., Gary, J. W., Liu, F., Long, O., Vitug, G. M., Campagnari, C., Hong, T. M., Kovalskyi, D., Richman, J. D., West, C. A., Eisner, A. M., Kroseberg, J., Lockman, W. S., Martinez, A. J., Schalk, T., Schumm, B. A., Seiden, A., Cheng, C. H., Doll, D. A., Echenard, B., Flood, K. T., Hitlin, D. G., Ongmongkolkul, P., Porter, F. C., Rakitin, A. Y., Andreassen, R., Dubrovin, M. S., Meadows, B. T., Sokoloff, M. D., Bloom, P. C., Ford, W. T., Gaz, A., Nagel, M., Nauenberg, U., Smith, J. G., Wagner, S. R., Ayad, R., Toki, W. H., Spaan, B., Kobel, M. J., Schubert, K. R., Schwierz, R., Bernard, D., Verderi, M., Clark, P. J., Playfer, S., Watson, J. E., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Fioravanti, E., Garzia, I., Luppi, E., Munerato, M., Negrini, M., Piemontese, L., Baldini-Ferroli, R., Calcaterra, A., de Sangro, R., Finocchiaro, G., Nicolaci, M., Pacetti, S., Patteri, P., Peruzzi, I. M., Piccolo, M., Rama, M., Zallo, A., Contri, R., Guido, E., Lo Vetere, M., Monge, M. R., Passaggio, S., Patrignani, C., Robutti, E., Bhuyan, B., Prasad, V., Lee, C. L., Morii, M., Edwards, A. J., Adametz, A., Marks, J., Uwer, U., Bernlochner, F. U., Ebert, M., Lacker, H. M., Lueck, T., Dauncey, P. D., Tibbetts, M., Behera, P. K., Mallik, U., Chen, C., Cochran, J., Crawley, H. B., Meyer, W. T., Prell, S., Rosenberg, E. I., Rubin, A. E., Gritsan, A. V., Guo, Z. J., Arnaud, N., Davier, M., Derkach, D., Grosdidier, G., Le Diberder, F., Lutz, A. M., Malaescu, B., Roudeau, P., Schune, M. H., Stocchi, A., Wormser, G., Lange, D. J., Wright, D. M., Bingham, I., Chavez, C. A., Coleman, J. P., Fry, J. R., Gabathuler, E., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Sigamani, M., Cowan, G., Paramesvaran, S., Davis, C. L., Denig, A. G., Fritsch, M., Gradl, W., Hafner, A., Alwyn, K. E., Bailey, D., Barlow, R. J., Jackson, G., Lafferty, G. D., Cenci, R., Hamilton, B., Jawahery, A., Roberts, D. A., Simi, G., Dallapiccola, C., Salvati, E., Cowan, R., Dujmic, D., Sciolla, G., Lindemann, D., Patel, P. M., Robertson, S. H., Schram, M., Biassoni, P., Lazzaro, A., Lombardo, V., Palombo, F., Stracka, S., Cremaldi, L., Godang, R., Kroeger, R., Sonnek, P., Summers, D. J., Nguyen, X., Taras, P., De Nardo, G., Monorchio, D., Onorato, G., Sciacca, C., Raven, G., Snoek, H. L., Jessop, C. P., Knoepfel, K. J., Losecco, J. M., Wang, W. F., Honscheid, K., Kass, R., Brau, J., Frey, R., Sinev, N. B., Strom, D., Torrence, E., Feltresi, E., Gagliardi, N., Margoni, M., Morandin, M., Posocco, M., Rotondo, M., Simonetto, F., Stroili, R., Ben-Haim, E., Bomben, M., Bonneaud, G. R., Briand, H., Calderini, G., Chauveau, J., Hamon, O., Leruste, Ph., Marchiori, G., Ocariz, J., Sitt, S., Biasini, M., Manoni, E., Rossi, A., Angelini, C., Batignani, G., Bettarini, S., Carpinelli, M., Casarosa, G., Cervelli, A., Forti, F., Giorgi, M. A., Lusiani, A., Neri, N., Oberhof, B., Paoloni, E., Perez, A., Rizzo, G., Walsh, J. J., Pegna, D. Lope, Lu, C., Olsen, J., Smith, A. J. S., Telnov, A. V., Anulli, F., Cavoto, G., Faccini, R., Ferrarotto, F., Ferroni, F., Gaspero, M., Gioi, L. Li, Mazzoni, M. A., Piredda, G., Buenger, C., Hartmann, T., Leddig, T., Schroeder, H., Waldi, R., Adye, T., Olaiya, E. O., Wilson, F. F., Emery, S., de Monchenault, G. Hamel, Vasseur, G., Yeche, Ch., Aston, D., Bard, D. J., Bartoldus, R., Benitez, J. F., Cartaro, C., Convery, M. R., Dorfan, J., Dubois-Felsmann, G. P., Dunwoodie, W., Field, R. C., Sevilla, M. Franco, Fulsom, B. G., Gabareen, A. M., Graham, M. T., Grenier, P., Hast, C., Innes, W. R., Kelsey, M. H., Kim, H., Kim, P., Kocian, M. L., Leith, D. W. G. S., Lewis, P., Li, S., Lindquist, B., Luitz, S., Luth, V., Lynch, H. L., Macfarlane, D. B., Muller, D. R., Neal, H., Nelson, S., Ofte, I., Perl, M., Pulliam, T., Ratcliff, B. N., Roodman, A., Salnikov, A. A., Santoro, V., Schindler, R. H., Snyder, A., Su, D., Sullivan, M. K., Va'Vra, J., Wagner, A. P., Weaver, M., Wisniewski, W. J., Wittgen, M., Wright, D. H., Wulsin, H. W., Yarritu, A. K., Young, C. C., Ziegler, V., Park, W., Purohit, M. V., White, R. M., Wilson, J. R., Randle-Conde, A., Sekula, S. J., Bellis, M., Burchat, P. R., Miyashita, T. S., Alam, M. S., Ernst, J. A., Gorodeisky, R., Guttman, N., Peimer, D. R., Soffer, A., Lund, P., Spanier, S. M., Eckmann, R., Ritchie, J. L., Ruland, A. M., Schilling, C. J., Schwitters, R. F., Wray, B. C., Izen, J. M., Lou, X. C., Bianchi, F., Gamba, D., Lanceri, L., Vitale, L., Lopez-March, N., Martinez-Vidal, F., Oyanguren, A., Ahmed, H., Albert, J., Banerjee, Sw., Choi, H. H. F., King, G. J., Kowalewski, R., Lewczuk, M. J., Lindsay, C., Nugent, I. M., Roney, J. M., Sobie, R. J., Gershon, T. J., Harrison, P. F., Latham, T. E., Puccio, E. M. T., Band, H. R., Dasu, S., Pan, Y., Prepost, R., Vuosalo, C. O., Wu, S. L., Collaboration, Babar, J., Lee, J., Garra Tico, D., Milane, D., Brown, L., Kerth, Kolomensky, Y. u., D., Asgeirsson, T., Mattison, J., Mckenna, V., Blinov, A., Buzykaev, V., Druzhinin, V., Golubev, E., Kravchenko, A., Onuchin, S., Serednyakov, Skovpen, Y. u., E., Solodov, K., Todyshev, A., Yushkov, A., Lankford, D., Stoker, J., Gary, G., Vitug, T., Hong, J., Richman, C., West, A., Eisner, W., Lockman, A., Martinez, B., Schumm, C., Cheng, D., Doll, K., Flood, D., Hitlin, F., Porter, A., Rakitin, M., Dubrovin, B., Meadow, M., Sokoloff, P., Bloom, W., Ford, J., Smith, S., Wagner, W., Toki, M., Kobel, K., Schubert, P., Clark, J., Watson, R., de Sangro, I., Peruzzi, M., Lo Vetere, M., Monge, C., Lee, A., Edward, F., Bernlochner, H., Lacker, P., Dauncey, P., Behera, H., Crawley, W., Meyer, E., Rosenberg, A., Rubin, A., Gritsan, Z., Guo, F., Le Diberder, A., Lutz, M., Schune, D., Lange, D., Wright, C., Chavez, J., Coleman, J., Fry, D., Hutchcroft, D., Payne, A., Bevan, F., Di Lodovico, C., Davi, A., Denig, K., Alwyn, R., Barlow, G., Lafferty, D., Robert, P., Patel, S., Robertson, D., Summer, DE NARDO, Guglielmo, Sciacca, Crisostomo, H., Snoek, C., Jessop, K., Knoepfel, J., Losecco, W., Wang, N., Sinev, G., Bonneaud, Leruste, P. h., M., Giorgi, J., Walsh, D., Lopes Pegna, A., Smith, A., Telnov, L., Li Gioi, M., Mazzoni, C., Bünger, H., Schröder, E., Olaiya, F., Wilson, G., Hamel de Monchenault, Yèche, C. h., D., Bard, J., Benitez, M., Convery, G., Dubois Felsmann, R., Field, M., Franco Sevilla, B., Fulsom, A., Gabareen, M., Graham, W., Inne, M., Kelsey, M., Kocian, D., Leith, H., Lynch, D., Macfarlane, D., Muller, B., Ratcliff, A., Salnikov, R., Schindler, M., Sullivan, J., Va’Vra, A., Wagner, W., Wisniewski, H., Wulsin, A., Yarritu, C., Young, M., Purohit, R., White, J., Wilson, S., Sekula, P., Burchat, T., Miyashita, M., Alam, J., Ernst, D., Peimer, S., Spanier, J., Ritchie, A., Ruland, C., Schilling, R., Schwitter, B., Wray, J., Izen, X., Lou, L., Lanceri, L., Vitale, Banerjee, S. w., H., Choi, G., King, M., Lewczuk, I., Nugent, J., Roney, R., Sobie, T., Gershon, P., Harrison, T., Latham, E., Puccio, H., Band, C., Vuosalo, S., Wu, Lees, Jp, Poireau, V, Prencipe, E, Tisserand, V, Tico, Jg, Grauges, E, Martinelli, M, Milanes, Da, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Brown, Dn, Kerth, Lt, Kolomensky, Yg, Lynch, G, Koch, H, Schroeder, T, Asgeirsson, Dj, Hearty, C, Mattison, T, Mckenna, Ja, Khan, A, Blinov, Ve, Buzykaev, Ar, Druzhinin, Vp, Golubev, Vb, Kravchenko, Ea, Onuchin, Ap, Serednyakov, Si, Skovpen, Yi, Solodov, Ep, Todyshev, Ky, Yushkov, An, Bondioli, M, Curry, S, Kirkby, D, Lankford, Aj, Mandelkern, M, Stoker, Dp, Atmacan, H, Gary, Jw, Liu, F, Long, O, Vitug, Gm, Campagnari, C, Hong, Tm, Kovalskyi, D, Richman, Jd, West, Ca, Eisner, Am, Kroseberg, J, Lockman, W, Martinez, Aj, Schalk, T, Schumm, Ba, Seiden, A, Cheng, Ch, Doll, Da, Echenard, B, Flood, Kt, Hitlin, Dg, Ongmongkolkul, P, Porter, Fc, Rakitin, Ay, Andreassen, R, Dubrovin, M, Meadows, Bt, Sokoloff, Md, Bloom, Pc, Ford, Wt, Gaz, A, Nagel, M, Nauenberg, U, Smith, Jg, Wagner, Sr, Ayad, R, Toki, Wh, Spaan, B, Kobel, Mj, Schubert, Kr, Schwierz, R, Bernard, D, Verderi, M, Clark, Pj, Playfer, S, Watson, Je, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Fioravanti, E, Garzia, I, Luppi, E, Munerato, M, Negrini, M, Piemontese, L, Baldini Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Nicolaci, M, Pacetti, S, Patteri, P, Peruzzi, Im, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, Mr, Passaggio, S, Patrignani, C, Robutti, E, Bhuyan, B, Prasad, V, Lee, Cl, Morii, M, Edwards, Aj, Adametz, A, Marks, J, Uwer, U, Bernlochner, Fu, Ebert, M, Lacker, Hm, Lueck, T, Dauncey, Pd, Tibbetts, M, Behera, Pk, Mallik, U, Chen, C, Cochran, J, Crawley, Hb, Meyer, Wt, Prell, S, Rosenberg, Ei, Rubin, Ae, Gritsan, Av, Guo, Zj, Arnaud, N, Davier, M, Derkach, D, Grosdidier, G, Le Diberder, F, Lutz, Am, Malaescu, B, Roudeau, P, Schune, Mh, Stocchi, A, Wormser, G, Lange, Dj, Wright, Dm, Bingham, I, Chavez, Ca, Coleman, Jp, Fry, Jr, Gabathuler, E, Hutchcroft, De, Payne, Dj, Touramanis, C, Bevan, Aj, Di Lodovico, F, Sacco, R, Sigamani, M, Cowan, G, Paramesvaran, S, Davis, Cl, Denig, Ag, Fritsch, M, Gradl, W, Hafner, A, Alwyn, Ke, Bailey, D, Barlow, Rj, Jackson, G, Lafferty, Gd, Cenci, R, Hamilton, B, Jawahery, A, Roberts, Da, Simi, G, Dallapiccola, C, Salvati, E, Cowan, R, Dujmic, D, Sciolla, G, Lindemann, D, Patel, Pm, Robertson, Sh, Schram, M, Biassoni, P, Lazzaro, A, Lombardo, V, Palombo, F, Stracka, S, Cremaldi, L, Godang, R, Kroeger, R, Sonnek, P, Summers, Dj, Nguyen, X, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Raven, G, Snoek, Hl, Jessop, Cp, Knoepfel, Kj, Losecco, Jm, Wang, Wf, Honscheid, K, Kass, R, Brau, J, Frey, R, Sinev, Nb, Strom, D, Torrence, E, Feltresi, E, Gagliardi, N, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simonetto, F, Stroili, R, Ben Haim, E, Bomben, M, Bonneaud, Gr, Briand, H, Calderini, G, Chauveau, J, Hamon, O, Leruste, P, Marchiori, G, Ocariz, J, Sitt, S, Biasini, M, Manoni, E, Rossi, A, Angelini, C, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Cervelli, A, Forti, F, Giorgi, Ma, Lusiani, Alberto, Neri, N, Oberhof, B, Paoloni, E, Perez, A, Rizzo, G, Walsh, Jj, Pegna, Dl, Lu, C, Olsen, J, Smith, Aj, Telnov, Av, Anulli, F, Cavoto, G, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Gioi, Ll, Mazzoni, Ma, Piredda, G, Bunger, C, Hartmann, T, Leddig, T, Schroder, H, Waldi, R, Adye, T, Olaiya, Eo, Wilson, Ff, Emery, S, de Monchenault, Gh, Vasseur, G, Yeche, C, Aston, D, Bard, Dj, Bartoldus, R, Benitez, Jf, Cartaro, C, Convery, Mr, Dorfan, J, Dubois Felsmann, Gp, Dunwoodie, W, Field, Rc, Sevilla, Mf, Fulsom, Bg, Gabareen, Am, Graham, Mt, Grenier, P, Hast, C, Innes, Wr, Kelsey, Mh, Kim, H, Kim, P, Kocian, Ml, Leith, Dwg, Lewis, P, Li, S, Lindquist, B, Luitz, S, Luth, V, Lynch, Hl, Macfarlane, Db, Muller, Dr, Neal, H, Nelson, S, Ofte, I, Perl, M, Pulliam, T, Ratcliff, Bn, Roodman, A, Salnikov, Aa, Santoro, V, Schindler, Rh, Snyder, A, Su, D, Sullivan, Mk, Va'Vra, J, Wagner, Ap, Weaver, M, Wisniewski, Wj, Wittgen, M, Wright, Dh, Wulsin, Hw, Yarritu, Ak, Young, Cc, Ziegler, V, Park, W, Purohit, Mv, White, Rm, Wilson, Jr, Randle Conde, A, Sekula, Sj, Bellis, M, Burchat, Pr, Miyashita, T, Alam, M, Ernst, Ja, Gorodeisky, R, Guttman, N, Peimer, Dr, Soffer, A, Lund, P, Spanier, Sm, Eckmann, R, Ritchie, Jl, Ruland, Am, Schilling, Cj, Schwitters, Rf, Wray, Bc, Izen, Jm, Lou, Xc, Bianchi, F, Gamba, D, Lanceri, L, Vitale, L, Lopez March, N, Martinez Vidal, F, Oyanguren, A, Ahmed, H, Albert, J, Banerjee, S, Choi, Hhf, King, Gj, Kowalewski, R, Lewczuk, Mj, Lindsay, C, Nugent, Im, Roney, Jm, Sobie, Rj, Gershon, Tj, Harrison, Pf, Latham, Te, Puccio, Emt, Band, Hr, Dasu, S, Pan, Y, Prepost, R, Vuosalo, Co, and Wu, Sl

Subjects
Charmonium spectroscopy, BHABHA SCATTERING, TAGGED PHOTONS, BHABHA SCATTERING, TAGGED PHOTONS, BaBar, PACS: 13.66.Bc, 13.25.Gv, 13.25.Jx, 14.40.-n, HEP
Abstract

We study the processes e(+)e(-) -> K+K-pi(+)pi(-)gamma, K+K-pi(0)pi(0)gamma, and K+K-K+K-gamma, where the photon is radiated from the initial state. About 84000, 8000, and 4200 fully reconstructed events, respectively, are selected from 454 fb(-1) of BABAR data. The invariantmass of the hadronic final state defines the e(+)e(-) center-of- mass energy, so that the K+K-pi(+)pi(-)gamma data can be compared with direct measurements of the e(+)e(-) -> K+K-pi(+)pi(-) reaction. No directmeasurements exist for the e(+)e(-) -> K+K-pi(0)pi(0) or e(+)e(-) -> K+K-K+K- reactions, andwe present an update of our previous result based on a data sample that is twice as large. Studying the structure of these events, we find contributions froma number of intermediate states and extract their cross sections. In particular, we perform a more detailed study of the e(+)e(-) -> phi(1020)pi pi gamma reaction and confirm the presence of the Y(2175) resonance in the phi(1020)integral(0)(980) and K+K-integral(0)(980) modes. In the charmonium region, we observe the J/psi in all three final states and in several intermediate states, as well as the psi(2S) in some modes, and measure the corresponding products of branching fraction and electron width. RI Patrignani, Claudia/C-5223-2009; Monge, Maria Roberta/G-9127-2012

Published
2012

49. Evidence for an Excess of (B)over-bar -> D-(*()) tau(-)(nu)over-bar(tau) Decays

Author

Lees, Jp, Poireau, V, Tisserand, V, Tico, Jg, Grauges, E, Palano, A, Eigen, G, Stugu, B, Brown, Dn, Kerth, Lt, Kolomensky, Yg, Lynch, G, Koch, H, Schroeder, T, Asgeirsson, Dj, Hearty, C, Mattison, Ts, Mckenna, Ja, So, Ry, Khan, A, Blinov, Ve, Buzykaev, Ar, Druzhinin, Vp, Golubev, Vb, Kravchenko, Ea, Onuchin, Ap, Serednyakov, Si, Skovpen, Yi, Solodov, Ep, Todyshev, Ky, Yushkov, An, Bondioli, M, Kirkby, D, Lankford, Aj, Mandelkern, M, Atmacan, H, Gary, Jw, Liu, F, Long, O, Vitug, Gm, Campagnari, C, Hong, Tm, Kovalskyi, D, Richman, Jd, West, Ca, Eisner, Am, Kroseberg, J, Lockman, Ws, Martinez, Aj, Schumm, Ba, Seiden, A, Chao, Ds, Cheng, Ch, Echenard, B, Flood, Kt, Hitlin, Dg, Ongmongkolkul, P, Porter, Fc, Rakitin, Ay, Andreassen, R, Huard, Z, Meadows, Bt, Sokoloff, Md, Sun, L, Bloom, Pc, Ford, Wt, Gaz, A, Nauenberg, U, Smith, Jg, Wagner, Sr, Ayad, R, Toki, Wh, Spaan, B, Schubert, Kr, Schwierz, R, Bernard, D, Verderi, M, Clark, Pj, Playfer, S, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Fioravanti, E, Garzia, I, Luppi, E, Munerato, M, Piemontese, L, Santoro, V, Baldini Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Patteri, P, Peruzzi, Im, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, Mr, Passaggio, S, Patrignani, C, Robutti, E, Bhuyan, B, Prasad, V, Lee, Cl, Morii, M, Edwards, Aj, Adametz, A, Uwer, U, Lacker, Hm, Lueck, T, Dauncey, Pd, Mallik, U, Chen, C, Cochran, J, Meyer, Wt, Prell, S, Rubin, Ae, Gritsan, Av, Guo, Zj, Arnaud, N, Davier, M, Derkach, D, Grosdidier, G, Le Diberder, F, Lutz, Am, Malaescu, B, Roudeau, P, Schune, Mh, Stocchi, A, Wormser, G, Lange, Dj, Wright, Dm, Chavez, Ca, Coleman, Jp, Fry, Jr, Gabathuler, E, Hutchcroft, De, Payne, Dj, Touramanis, C, Bevan, Aj, Di Lodovico, F, Sacco, R, Sigamani, M, Cowan, G, Davis, Cl, Denig, Ag, Fritsch, M, Gradl, W, Griessinger, K, Hafner, A, Prencipe, E, Barlow, Rj, Jackson, G, Lafferty, Gd, Behn, E, Cenci, R, Hamilton, B, Jawahery, A, Roberts, Da, Dallapiccola, C, Cowan, R, Dujmic, D, Sciolla, G, Cheaib, R, Lindemann, D, Patel, Pm, Robertson, Sh, Biassoni, P, Neri, N, Palombo, F, Stracka, Simone, Cremaldi, L, Godang, R, Kroeger, R, Sonnek, P, Summers, Dj, Nguyen, X, Simard, M, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Martinelli, M, Raven, G, Jessop, Cp, Losecco, Jm, Wang, Wf, Honscheid, K, Kass, R, Brau, J, Frey, R, Sinev, Nb, Strom, D, Torrence, E, Feltresi, E, Gagliardi, N, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simi, G, Simonetto, F, Stroili, R, Akar, S, Ben Haim, E, Bomben, M, Bonneaud, Gr, Briand, H, Calderini, Giovanni, Chauveau, J, Hamon, O, Leruste, P, Marchiori, G, Ocariz, J, Sitt, S, Biasini, M, Manoni, E, Pacetti, S, Rossi, A, Angelini, Carlo, Batignani, Giovanni, Bettarini, Stefano, Carpinelli, M, Casarosa, G, Cervelli, A, Forti, Francesco, Giorgi, Marcello, Lusiani, A, Oberhof, B, Paoloni, Eugenio, Perez, A, Rizzo, Giuliana, Walsh, Jj, Pegna, Dl, Olsen, J, Smith, Ajs, Telnov, Av, Anulli, F, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Gioi, Ll, Mazzoni, Ma, Piredda, G, Bunger, C, Grunberg, O, Hartmann, T, Leddig, T, Schroder, H, Voss, C, Waldi, R, Adye, T, Olaiya, Eo, Wilson, Ff, Emery, S, de Monchenault GH, Vasseur, G, Yeche, C, Aston, D, Bard, Dj, Bartoldus, R, Benitez, Jf, Cartaro, C, Convery, Mr, Dorfan, J, Dubois Felsmann GP, Dunwoodie, W, Ebert, M, Field, Rc, Sevilla, Mf, Fulsom, Bg, Gabareen, Am, Graham, Mt, Grenier, P, Hast, C, Innes, Wr, Kelsey, Mh, Kim, P, Kocian, Ml, Leith, Dwgs, Lewis, P, Lindquist, B, Luitz, S, Luth, V, Lynch, Hl, Macfarlane, Db, Muller, Dr, Neal, H, Nelson, S, Perl, M, Pulliam, T, Ratcliff, Bn, Roodman, A, Salnikov, Aa, Schindler, Rh, Snyder, A, Su, D, Sullivan, Mk, Va'Vra, J, Wagner, Ap, Wisniewski, Wj, Wittgen, M, Wright, Dh, Wulsin, Hw, Young, Cc, Ziegler, V, Park, W, Purohit, Mv, White, Rm, Wilson, Jr, Randle Conde, A, Sekula, Sj, Bellis, M, Burchat, Pr, Miyashita, Ts, Puccio, Emt, Alam, Ms, Ernst, Ja, Gorodeisky, R, Guttman, N, Peimer, Dr, Soffer, A, Lund, P, Spanier, Sm, Ritchie, Jl, Ruland, Am, Schwitters, Rf, Wray, Bc, Izen, Jm, Lou, Xc, Bianchi, F, Gamba, D, Zambito, S, Lanceri, L, Vitale, L, Martinez Vidal, F, Oyanguren, A, Ahmed, H, Albert, J, Banerjee, S, Bernlochner, Fu, Choi, Hhf, King, Gj, Kowalewski, R, Lewczuk, Mj, Nugent, Im, Roney, Jm, Sobie, Rj, Tasneem, N, Gershon, Tj, Harrison, Pf, Latham, Te, Band, Hr, Dasu, S, Pan, Y, Prepost, R, Slr, Wu, Wu SLtti, A, Zhang, X, Zucchelli Slbert, J, Wu SLDasu, S, Wu SL HR, Vuosalo, Co, Wu, Sl, J. P., Lee, V., Poireau, V., Tisserand, J. G., Tico, E., Grauge, A., Palano, G., Eigen, B., Stugu, D. N., Brown, L. T., Kerth, Y. G., Kolomensky, G., Lynch, H., Koch, T., Schroeder, D. J., Asgeirsson, C., Hearty, T. S., Mattison, J. A., Mckenna, R. Y., So, A., Khan, V. E., Blinov, A. R., Buzykaev, V. P., Druzhinin, V. B., Golubev, E. A., Kravchenko, A. P., Onuchin, S. I., Serednyakov, Y. I., Skovpen, E. P., Solodov, K. Y., Todyshev, A. N., Yushkov, M., Bondioli, D., Kirkby, A. J., Lankford, M., Mandelkern, H., Atmacan, J. W., Gary, F., Liu, O., Long, G. M., Vitug, C., Campagnari, T. M., Hong, D., Kovalskyi, J. D., Richman, C. A., West, A. M., Eisner, J., Kroseberg, W. S., Lockman, A. J., Martinez, B. A., Schumm, A., Seiden, D. S., Chao, C. H., Cheng, B., Echenard, K. T., Flood, D. G., Hitlin, P., Ongmongkolkul, F. C., Porter, A. Y., Rakitin, R., Andreassen, Z., Huard, B. T., Meadow, M. D., Sokoloff, L., Sun, P. C., Bloom, W. T., Ford, A., Gaz, U., Nauenberg, J. G., Smith, S. R., Wagner, R., Ayad, W. H., Toki, B., Spaan, K. R., Schubert, R., Schwierz, D., Bernard, M., Verderi, P. J., Clark, S., Playfer, D., Bettoni, C., Bozzi, R., Calabrese, G., Cibinetto, E., Fioravanti, I., Garzia, E., Luppi, M., Munerato, L., Piemontese, V., Santoro, R., Baldini Ferroli, A., Calcaterra, R. d., Sangro, G., Finocchiaro, P., Patteri, I. M., Peruzzi, M., Piccolo, M., Rama, A., Zallo, R., Contri, E., Guido, M. L., Vetere, M. R., Monge, S., Passaggio, C., Patrignani, E., Robutti, B., Bhuyan, V., Prasad, C. L., Lee, M., Morii, A. J., Edward, A., Adametz, U., Uwer, H. M., Lacker, T., Lueck, P. D., Dauncey, U., Mallik, C., Chen, J., Cochran, W. T., Meyer, S., Prell, A. E., Rubin, A. V., Gritsan, Z. J., Guo, N., Arnaud, M., Davier, D., Derkach, G., Grosdidier, F. L., Diberder, A. M., Lutz, B., Malaescu, P., Roudeau, M. H., Schune, A., Stocchi, G., Wormser, D. J., Lange, D. M., Wright, C. A., Chavez, J. P., Coleman, J. R., Fry, E., Gabathuler, D. E., Hutchcroft, D. J., Payne, C., Touramani, A. J., Bevan, F. D., Lodovico, R., Sacco, M., Sigamani, G., Cowan, C. L., Davi, A. G., Denig, M., Fritsch, W., Gradl, K., Griessinger, A., Hafner, E., Prencipe, R. J., Barlow, G., Jackson, G. D., Lafferty, E., Behn, R., Cenci, B., Hamilton, A., Jawahery, D. A., Robert, C., Dallapiccola, R., Cowan, D., Dujmic, G., Sciolla, R., Cheaib, D., Lindemann, P. M., Patel, S. H., Robertson, P., Biassoni, N., Neri, F., Palombo, S., Stracka, L., Cremaldi, R., Godang, R., Kroeger, P., Sonnek, D. J., Summer, X., Nguyen, M., Simard, P., Tara, G. D., Nardo, D., Monorchio, G., Onorato, C., Sciacca, M., Martinelli, G., Raven, C. P., Jessop, J. M., Losecco, W. F., Wang, K., Honscheid, R., Ka, J., Brau, R., Frey, N. B., Sinev, D., Strom, E., Torrence, E., Feltresi, N., Gagliardi, M., Margoni, M., Morandin, M., Posocco, M., Rotondo, G., Simi, F., Simonetto, R., Stroili, S., Akar, E., Ben Haim, M., Bomben, G. R., Bonneaud, H., Briand, G., Calderini, J., Chauveau, O., Hamon, P., Leruste, G., Marchiori, J., Ocariz, S., Sitt, M., Biasini, E., Manoni, S., Pacetti, A., Rossi, C., Angelini, G., Batignani, S., Bettarini, M., Carpinelli, G., Casarosa, A., Cervelli, F., Forti, M. A., Giorgi, A., Lusiani, B., Oberhof, E., Paoloni, A., Perez, G., Rizzo, J. J., Walsh, D. L., Pegna, J., Olsen, A. J., S., A. V., Telnov, F., Anulli, R., Faccini, F., Ferrarotto, F., Ferroni, M., Gaspero, L. L., Gioi, M. A., Mazzoni, G., Piredda, C., Bunger, O., Grunberg, T., Hartmann, T., Leddig, H., Schroder, C., Vo, R., Waldi, T., Adye, E. O., Olaiya, F. F., Wilson, S., Emery, G. H., De, G., Vasseur, C., Yeche, D., Aston, D. J., Bard, R., Bartoldu, J. F., Benitez, C., Cartaro, M. R., Convery, J., Dorfan, G. P., Dubois Felsmann, W., Dunwoodie, M., Ebert, R. C., Field, M. F., Sevilla, B. G., Fulsom, A. M., Gabareen, M. T., Graham, P., Grenier, C., Hast, W. R., Inne, M. H., Kelsey, P., Kim, M. L., Kocian, D. W., G., P., Lewi, B., Lindquist, S., Luitz, V., Luth, H. L., Lynch, D. B., Macfarlane, D. R., Muller, H., Neal, S., Nelson, M., Perl, T., Pulliam, B. N., Ratcliff, A., Roodman, A. A., Salnikov, R. H., Schindler, A., Snyder, D., Su, M. K., Sullivan, J., Va'Vra, A. P., Wagner, W. J., Wisniewski, M., Wittgen, D. H., Wright, H. W., Wulsin, C. C., Young, V., Ziegler, W., Park, M. V., Purohit, R. M., White, J. R., Wilson, A., Randle Conde, S. J., Sekula, M., Belli, P. R., Burchat, T. S., Miyashita, E. M., T., M. S., Alam, J. A., Ernst, R., Gorodeisky, N., Guttman, D. R., Peimer, A., Soffer, P., Lund, S. M., Spanier, J. L., Ritchie, A. M., Ruland, R. F., Schwitter, B. C., Wray, J. M., Izen, X. C., Lou, F., Bianchi, D., Gamba, S., Zambito, Lanceri, Livio, Vitale, Lorenzo, F., Martinez Vidal, A., Oyanguren, H., Ahmed, J., Albert, S., Banerjee, F. U., Bernlochner, H. H., F., G. J., King, R., Kowalewski, M. J., Lewczuk, I. M., Nugent, J. M., Roney, R. J., Sobie, N., Tasneem, T. J., Gershon, P. F., Harrison, T. E., Latham, H. R., Band, S., Dasu, Y., Pan, R., Prepost, S. L., Wu, Lees, J. P., Poireau, V., Tisserand, V., Garra Tico, J., Grauges, E., Palano, A., Eigen, G., Stugu, B., Brown, D. N., Kerth, L. T., Kolomensky, Yu. G., Lynch, G., Koch, H., Schroeder, T., Asgeirsson, D. J., Hearty, C., Mattison, T. S., Mckenna, J. A., So, R. Y., Khan, A., Blinov, V. E., Buzykaev, A. R., Druzhinin, V. P., Golubev, V. B., Kravchenko, E. A., Onuchin, A. P., Serednyakov, S. I., Skovpen, Yu. I., Solodov, E. P., Todyshev, K. Yu., Yushkov, A. N., Bondioli, M., Kirkby, D., Lankford, A. J., Mandelkern, M., Atmacan, H., Gary, J. W., Liu, F., Long, O., Vitug, G. M., Campagnari, C., Hong, T. M., Kovalskyi, D., Richman, J. D., West, C. A., Eisner, A. M., Kroseberg, J., Lockman, W. S., Martinez, A. J., Schumm, B. A., Seiden, A., Chao, D. S., Cheng, C. H., Echenard, B., Flood, K. T., Hitlin, D. G., Ongmongkolkul, P., Porter, F. C., Rakitin, A. Y., Andreassen, R., Huard, Z., Meadows, B. T., Sokoloff, M. D., Sun, L., Bloom, P. C., Ford, W. T., Gaz, A., Nauenberg, U., Smith, J. G., Wagner, S. R., Ayad, R., Toki, W. H., Spaan, B., Schubert, K. R., Schwierz, R., Bernard, D., Verderi, M., Clark, P. J., Playfer, S., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Fioravanti, E., Garzia, I., Luppi, E., Munerato, M., Piemontese, L., Santoro, V., Baldini-Ferroli, R., Calcaterra, A., de Sangro, R., Finocchiaro, G., Patteri, P., Peruzzi, I. M., Piccolo, M., Rama, M., Zallo, A., Contri, R., Guido, E., Lo Vetere, M., Monge, M. R., Passaggio, S., Patrignani, C., Robutti, E., Bhuyan, B., Prasad, V., Lee, C. L., Morii, M., Edwards, A. J., Adametz, A., Uwer, U., Lacker, H. M., Lueck, T., Dauncey, P. D., Mallik, U., Chen, C., Cochran, J., Meyer, W. T., Prell, S., Rubin, A. E., Gritsan, A. V., Guo, Z. J., Arnaud, N., Davier, M., Derkach, D., Grosdidier, G., Le Diberder, F., Lutz, A. M., Malaescu, B., Roudeau, P., Schune, M. H., Stocchi, A., Wormser, G., Lange, D. J., Wright, D. M., Chavez, C. A., Coleman, J. P., Fry, J. R., Gabathuler, E., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Sigamani, M., Cowan, G., Davis, C. L., Denig, A. G., Fritsch, M., Gradl, W., Griessinger, K., Hafner, A., Prencipe, E., Barlow, R. J., Jackson, G., Lafferty, G. D., Behn, E., Cenci, R., Hamilton, B., Jawahery, A., Roberts, D. A., Dallapiccola, C., Cowan, R., Dujmic, D., Sciolla, G., Cheaib, R., Lindemann, D., Patel, P. M., Robertson, S. H., Biassoni, P., Neri, N., Palombo, F., Stracka, S., Cremaldi, L., Godang, R., Kroeger, R., Sonnek, P., Summers, D. J., Nguyen, X., Simard, M., Taras, P., De Nardo, G., Monorchio, D., Onorato, G., Sciacca, C., Martinelli, M., Raven, G., Jessop, C. P., Losecco, J. M., Wang, W. F., Honscheid, K., Kass, R., Brau, J., Frey, R., Sinev, N. B., Strom, D., Torrence, E., Feltresi, E., Gagliardi, N., Margoni, M., Morandin, M., Posocco, M., Rotondo, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G. R., Briand, H., Calderini, G., Chauveau, J., Hamon, O., Leruste, Ph., Marchiori, G., Ocariz, J., Sitt, S., Biasini, M., Manoni, E., Pacetti, S., Rossi, A., Angelini, C., Batignani, G., Bettarini, S., Carpinelli, M., Casarosa, G., Cervelli, A., Forti, F., Giorgi, M. A., Lusiani, A., Oberhof, B., Paoloni, E., Perez, A., Rizzo, G., Walsh, J. J., Pegna, D. Lope, Olsen, J., Smith, A. J. S., Telnov, A. V., Anulli, F., Faccini, R., Ferrarotto, F., Ferroni, F., Gaspero, M., Gioi, L. Li, Mazzoni, M. A., Piredda, G., Buenger, C., Gruenberg, O., Hartmann, T., Leddig, T., Schroeder, H., Voss, C., Waldi, R., Adye, T., Olaiya, E. O., Wilson, F. F., Emery, S., de Monchenault, G. Hamel, Vasseur, G., Yeche, Ch., Aston, D., Bard, D. J., Bartoldus, R., Benitez, J. F., Cartaro, C., Convery, M. R., Dorfan, J., Dubois-Felsmann, G. P., Dunwoodie, W., Ebert, M., Field, R. C., Sevilla, M. Franco, Fulsom, B. G., Gabareen, A. M., Graham, M. T., Grenier, P., Hast, C., Innes, W. R., Kelsey, M. H., Kim, P., Kocian, M. L., Leith, D. W. G. S., Lewis, P., Lindquist, B., Luitz, S., Luth, V., Lynch, H. L., Macfarlane, D. B., Muller, D. R., Neal, H., Nelson, S., Perl, M., Pulliam, T., Ratcliff, B. N., Roodman, A., Salnikov, A. A., Schindler, R. H., Snyder, A., Su, D., Sullivan, M. K., Va'Vra, J., Wagner, A. P., Wisniewski, W. J., Wittgen, M., Wright, D. H., Wulsin, H. W., Young, C. C., Ziegler, V., Park, W., Purohit, M. V., White, R. M., Wilson, J. R., Randle-Conde, A., Sekula, S. J., Bellis, M., Burchat, P. R., Miyashita, T. S., Puccio, E. M. T., Alam, M. S., Ernst, J. A., Gorodeisky, R., Guttman, N., Peimer, D. R., Soffer, A., Lund, P., Spanier, S. M., Ritchie, J. L., Ruland, A. M., Schwitters, R. F., Wray, B. C., Izen, J. M., Lou, X. C., Bianchi, F., Gamba, D., Zambito, S., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Ahmed, H., Albert, J., Banerjee, Sw., Bernlochner, F. U., Choi, H. H. F., King, G. J., Kowalewski, R., Lewczuk, M. J., Nugent, I. M., Roney, J. M., Sobie, R. J., Tasneem, N., Gershon, T. J., Harrison, P. F., Latham, T. E., Band, H. R., Dasu, S., Pan, Y., Prepost, R., Wu, S. L., Collaboration, Babar, Lees, Jp, Poireau, V, Tisserand, V, Tico, Jg, Grauges, E, Palano, A, Eigen, G, Stugu, B, Brown, Dn, Kerth, Lt, Kolomensky, Yg, Lynch, G, Koch, H, Schroeder, T, Asgeirsson, Dj, Hearty, C, Mattison, T, Mckenna, Ja, So, Ry, Khan, A, Blinov, Ve, Buzykaev, Ar, Druzhinin, Vp, Golubev, Vb, Kravchenko, Ea, Onuchin, Ap, Serednyakov, Si, Skovpen, Yi, Solodov, Ep, Todyshev, Ky, Yushkov, An, Bondioli, M, Kirkby, D, Lankford, Aj, Mandelkern, M, Atmacan, H, Gary, Jw, Liu, F, Long, O, Vitug, Gm, Campagnari, C, Hong, Tm, Kovalskyi, D, Richman, Jd, West, Ca, Eisner, Am, Kroseberg, J, Lockman, W, Martinez, Aj, Schumm, Ba, Seiden, A, Chao, D, Cheng, Ch, Echenard, B, Flood, Kt, Hitlin, Dg, Ongmongkolkul, P, Porter, Fc, Rakitin, Ay, Andreassen, R, Huard, Z, Meadows, Bt, Sokoloff, Md, Sun, L, Bloom, Pc, Ford, Wt, Gaz, A, Nauenberg, U, Smith, Jg, Wagner, Sr, Ayad, R, Toki, Wh, Spaan, B, Schubert, Kr, Schwierz, R, Bernard, D, Verderi, M, Clark, Pj, Playfer, S, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Fioravanti, E, Garzia, I, Luppi, E, Munerato, M, Piemontese, L, Santoro, V, Baldini Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Patteri, P, Peruzzi, Im, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, Mr, Passaggio, S, Patrignani, C, Robutti, E, Bhuyan, B, Prasad, V, Lee, Cl, Morii, M, Edwards, Aj, Adametz, A, Uwer, U, Lacker, Hm, Lueck, T, Dauncey, Pd, Mallik, U, Chen, C, Cochran, J, Meyer, Wt, Prell, S, Rubin, Ae, Gritsan, Av, Guo, Zj, Arnaud, N, Davier, M, Derkach, D, Grosdidier, G, Le Diberder, F, Lutz, Am, Malaescu, B, Roudeau, P, Schune, Mh, Stocchi, A, Wormser, G, Lange, Dj, Wright, Dm, Chavez, Ca, Coleman, Jp, Fry, Jr, Gabathuler, E, Hutchcroft, De, Payne, Dj, Touramanis, C, Bevan, Aj, Di Lodovico, F, Sacco, R, Sigamani, M, Cowan, G, Davis, Cl, Denig, Ag, Fritsch, M, Gradl, W, Griessinger, K, Hafner, A, Prencipe, E, Barlow, Rj, Jackson, G, Lafferty, Gd, Behn, E, Cenci, R, Hamilton, B, Jawahery, A, Roberts, Da, Dallapiccola, C, Cowan, R, Dujmic, D, Sciolla, G, Cheaib, R, Lindemann, D, Patel, Pm, Robertson, Sh, Biassoni, P, Neri, N, Palombo, F, Stracka, S, Cremaldi, L, Godang, R, Kroeger, R, Sonnek, P, Summers, Dj, Nguyen, X, Simard, M, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Martinelli, M, Raven, G, Jessop, Cp, Losecco, Jm, Wang, Wf, Honscheid, K, Kass, R, Brau, J, Frey, R, Sinev, Nb, Strom, D, Torrence, E, Feltresi, E, Gagliardi, N, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simi, G, Simonetto, F, Stroili, R, Akar, S, Ben Haim, E, Bomben, M, Bonneaud, Gr, Briand, H, Calderini, G, Chauveau, J, Hamon, O, Leruste, P, Marchiori, G, Ocariz, J, Sitt, S, Biasini, M, Manoni, E, Pacetti, S, Rossi, A, Angelini, C, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Cervelli, A, Forti, F, Giorgi, Ma, Lusiani, Alberto, Oberhof, B, Paoloni, E, Perez, A, Rizzo, G, Walsh, Jj, Pegna, Dl, Olsen, J, Smith, Aj, Telnov, Av, Anulli, F, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Gioi, Ll, Mazzoni, Ma, Piredda, G, Bunger, C, Grunberg, O, Hartmann, T, Leddig, T, Schroder, H, Voss, C, Waldi, R, Adye, T, Olaiya, Eo, Wilson, Ff, Emery, S, de Monchenault, Gh, Vasseur, G, Yeche, C, Aston, D, Bard, Dj, Bartoldus, R, Benitez, Jf, Cartaro, C, Convery, Mr, Dorfan, J, Dubois Felsmann, Gp, Dunwoodie, W, Ebert, M, Field, Rc, Sevilla, Mf, Fulsom, Bg, Gabareen, Am, Graham, Mt, Grenier, P, Hast, C, Innes, Wr, Kelsey, Mh, Kim, P, Kocian, Ml, Leith, Dwg, Lewis, P, Lindquist, B, Luitz, S, Luth, V, Lynch, Hl, Macfarlane, Db, Muller, Dr, Neal, H, Nelson, S, Perl, M, Pulliam, T, Ratcliff, Bn, Roodman, A, Salnikov, Aa, Schindler, Rh, Snyder, A, Su, D, Sullivan, Mk, Va'Vra, J, Wagner, Ap, Wisniewski, Wj, Wittgen, M, Wright, Dh, Wulsin, Hw, Young, Cc, Ziegler, V, Park, W, Purohit, Mv, White, Rm, Wilson, Jr, Randle Conde, A, Sekula, Sj, Bellis, M, Burchat, Pr, Miyashita, T, Puccio, Emt, Alam, M, Ernst, Ja, Gorodeisky, R, Guttman, N, Peimer, Dr, Soffer, A, Lund, P, Spanier, Sm, Ritchie, Jl, Ruland, Am, Schwitters, Rf, Wray, Bc, Izen, Jm, Lou, Xc, Bianchi, F, Gamba, D, Zambito, S, Lanceri, L, Vitale, L, Martinez Vidal, F, Oyanguren, A, Ahmed, H, Albert, J, Banerjee, S, Bernlochner, Fu, Choi, Hhf, King, Gj, Kowalewski, R, Lewczuk, Mj, Nugent, Im, Roney, Jm, Sobie, Rj, Tasneem, N, Gershon, Tj, Harrison, Pf, Latham, Te, Band, Hr, Dasu, S, Pan, Y, Prepost, R, and Wu, Sl

Subjects
B-meson decays, Higgs Boson search, semileptonic B-meson decays, B-meson decay, PACS: 13.20.He, 14.40.Nd, 14.80.Da, Settore FIS/01 - Fisica Sperimentale, BaBar, Hep
Abstract

Based on the full BABAR data sample, we report improved measurements of the ratios R(D-(*())) = B((B) over bar -> D-(*()) tau(-)(nu) over bar (tau))/B((B) over bar -> D-(*()) l(l)(-)(nu) over bar (l), where l is either e or mu. These ratios are sensitive to new physics contributions in the form of a charged Higgs boson. We measure R(D) = 0.440 +/- 0.058 +/- 0.042 and R(D*) = 0.332 +/- 0.024 +/- 0.018, which exceed the standard model expectations by 2.0 sigma and 2.7 sigma, respectively. Taken together, our results disagree with these expectations at the 3.4 sigma level. This excess cannot be explained by a charged Higgs boson in the type II two-Higgs-doublet model. RI Monge, Maria Roberta/G-9127-2012 Based on the full BABAR data sample, we report improved measurements of the ratios R(D( *)=B(B̄→D( *)τ -ν ̄τ)/B(B̄→D( *)- ν ̄), where ¢ is either e or μ. These ratios are sensitive to new physics contributions in the form of a charged Higgs boson. We measure R(D)=0.440±0.058±0.042 and R(D *)=0. 332±0.024±0.018, which exceed the standard model expectations by 2.0σ and 2.7σ, respectively. Taken together, our results disagree with these expectations at the 3.4σ level. This excess cannot be explained by a charged Higgs boson in the type II two-Higgs-doublet model. © 2012 American Physical Society.

Published
2012

50. Observation and study of the baryonic B-meson decays B -> D(*) p(p)over-bar (pi)(pi)

Author

Sanchez, Pda, Lees, Jp, Poireau, V, Prencipe, E, Tisserand, V, Tico, Jg, Grauges, E, Martinelli, M, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Battaglia, M, Brown, Dn, Hooberman, B, Kerth, Lt, Kolomensky, Yg, Lynch, G, Osipenkov, Il, Tanabe, T, Hawkes, Cm, Watson, At, Koch, H, Schroeder, T, Asgeirsson, Dj, Hearty, C, Mattison, Ts, Mckenna, Ja, Khan, A, Randle Conde, A, Blinov, Ve, Buzykaev, Ar, Druzhinin, Vp, Golubev, Vb, Onuchin, Ap, Serednyakov, Si, Skovpen, Yi, Solodov, Ep, Todyshev, Ky, Yushkov, An, Bondioli, M, Curry, S, Kirkby, D, Lankford, Aj, Mandelkern, M, Martin, Ec, Stoker, Dp, Atmacan, H, Gary, Jw, Liu, F, Long, O, Vitug, Gm, Campagnari, C, Flanigan, Jm, Hong, Tm, Kovalskyi, D, Richman, Jd, West, C, Eisner, Am, Heusch, Ca, Kroseberg, J, Lockman, Ws, Martinez, Aj, Schalk, T, Schumm, Ba, Seiden, A, Winstrom, Lo, Cheng, Ch, Doll, Da, Echenard, B, Hitlin, Dg, Ongmongkolkul, P, Porter, Fc, Rakitin, Ay, Andreassen, R, Dubrovin, Ms, Mancinelli, G, Meadows, Bt, Sokoloff, Md, Bloom, Pc, Ford, Wt, Gaz, A, Nagel, M, Nauenberg, U, Smith, Jg, Wagner, Sr, Ayad, R, Toki, Wh, Jasper, H, Karbach, Tm, Merkel, J, Petzold, A, Spaan, B, Wacker, K, Kobel, Mj, Schubert, Kr, Schwierz, R, Bernard, D, Verderi, M, Clark, Pj, Playfer, S, Watson, Je, Andreotti, M, Bettoni, D, Bozzi, C, Calabrese, R, Cecchi, A, Cibinetto, G, Fioravanti, E, Franchini, P, Luppi, E, Munerato, M, Negrini, M, Petrella, A, Piemontese, L, Baldini Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Nicolaci, M, Pacetti, S, Patteri, P, Peruzzi, Im, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, Mr, Passaggio, S, Patrignani, C, Robutti, E, Tosi, S, Bhuyan, B, Prasad, V, Lee, Cl, Morii, M, Adametz, A, Marks, J, Uwer, U, Bernlochner, Fu, Ebert, M, Lacker, Hm, Lueck, T, Volk, A, Dauncey, Pd, Tibbetts, M, Behera, Pk, Mallik, U, Chen, C, Cochranz, J, Crawley, Hb, Dong, L, Meyer, Wt, Prell, S, Rosenberg, Ei, Rubin, Ae, Gritsan, Av, Guo, Zj, Arnaud, N, Davier, M, Derkach, D, da Costa JF, Grosdidier, G, Le Diberder, F, Lutz, Am, Malaescu, B, Perez, A, Roudeau, P, Schune, Mh, Serrano, J, Sordini, V, Stocchi, A, Wang, L, Wormser, G, Lange, Dj, Wright, Dm, Bingham, I, Chavez, Ca, Coleman, Jp, Fry, Jr, Gabathuler, E, Gamet, R, Hutchcroft, De, Payne, Dj, Touramanis, C, Bevan, Aj, Di Lodovico, F, Sacco, R, Sigamani, M, Cowan, G, Paramesvaran, S, Wren, Ac, Davis, Cl, Denig, Ag, Fritsch, M, Gradl, W, Hafner, A, Alwyn, Ke, Bailey, D, Barlow, Rj, Jackson, G, Lafferty, Gd, Anderson, J, Cenci, R, Jawahery, A, Roberts, Da, Simi, G, Tuggle, Jm, Dallapiccola, C, Salvati, E, Cowan, R, Dujmic, D, Sciolla, G, Zhao, M, Lindemann, D, Patel, Pm, Robertson, Sh, Schram, M, Biassoni, P, Lazzaro, A, Lombardo, V, Palombo, F, Stracka, Simone, Cremaldi, L, Godang, R, Kroeger, R, Sonnek, P, Summers, Dj, Nguyen, X, Simard, M, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Raven, G, Snoek, Hl, Jessop, Cp, Knoepfel, Kj, Losecco, Jm, Wang, Wf, Corwin, La, Honscheid, K, Kass, R, Morris, Jp, Blount, Nl, Brau, J, Frey, R, Igonkina, O, Kolb, Ja, Rahmat, R, Sinev, Nb, Strom, D, Strube, J, Torrence, E, Castelli, G, Feltresi, E, Gagliardi, N, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simonetto, F, Stroili, R, Ben Haim, E, Bonneaud, Gr, Briand, H, Calderini, Giovanni, Chauveau, J, Hamon, O, Leruste, P, Marchiori, G, Ocariz, J, Prendki, J, Sitt, S, Biasini, M, Manoni, E, Rossi, A, Angelini, Carlo, Batignani, Giovanni, Bettarini, Stefano, Carpinelli, M, Casarosa, G, Cervelli, A, Forti, Francesco, Giorgi, Marcello, Lusiani, A, Neri, N, Paoloni, Eugenio, Rizzo, Giuliana, Walsh, Jj, Pegna, Dl, Lu, C, Olsen, J, Smith, Ajs, Telnov, Av, Anulli, F, Baracchini, E, Cavoto, G, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Gioi, Ll, Mazzoni, Ma, Piredda, G, Renga, F, Hartmann, T, Leddig, T, Schroeder, H, Waldi, R, Adye, T, Franek, B, Olaiya, Eo, Wilson, Ff, Emery, S, de Monchenault GH, Vasseur, G, Yeche, C, Zito, M, Allen, Mt, Aston, D, Bard, Dj, Bartoldus, R, Benitez, Jf, Cartaro, C, Convery, Mr, Dorfan, J, Dubois Felsmann GP, Dunwoodie, W, Field, Rc, Sevilla, Mf, Fulsom, Bg, Gabareen, Am, Graham, Mt, Grenier, P, Hast, C, Innes, Wr, Kelsey, Mh, Kim, H, Kim, P, Kocian, Ml, Leith, Dwgs, Li, S, Lindquist, B, Luitz, S, Luth, V, Lynch, Hl, Macfarlane, Db, Marsiske, H, Muller, Dr, Neal, H, Nelson, S, O'Grady, Cp, Ofte, I, Perl, M, Pulliam, T, Ratcliff, Bn, Roodman, A, Salnikov, Aa, Santoro, V, Schindler, Rh, Schwiening, J, Snyder, A, Su, D, Sullivan, Mk, Sun, S, Suzuki, K, Thompson, Jm, Va'Vra, J, Wagner, Ap, Weaver, M, West, Ca, Wisniewski, Wj, Wittgen, M, Wright, Dh, Wulsin, Hw, Yarritu, Ak, Young, Cc, Ziegler, V, Chen, Xr, Park, W, Purohit, Mv, White, Rm, Wilson, Jr, Sekula, Sj, Bellis, M, Burchat, Pr, Edwards, Aj, Miyashita, Ts, Ahmed, S, Alam, Ms, Ernst, Ja, Pan, B, Saeed, Ma, Zain, Sb, Guttman, N, Soffer, A, Lund, P, Spanier, Sm, Eckmann, R, Ritchie, Jl, Ruland, Am, Schilling, Cj, Schwitters, Rf, Wray, Bc, Izen, Jm, Lou, Xc, Bianchi, F, Gamba, D, Pelliccioni, M, Bomben, M, Lanceri, L, Vitale, L, Lopez March, N, Martinez Vidal, F, Milanes, Da, Oyanguren, A, Albert, J, Banerjee, S, Choi, Hhf, Hamano, K, King, Gj, Kowalewski, R, Lewczuk, Mj, Nugent, Im, Roney, Jm, Sobie, Rj, Gershon, Tj, Harrison, Pf, Latham, Te, Puccio, Emt, Band, Hr, Dasu, S, Flood, Kt, Pan, Y, Prepost, R, Vuosalo, Co, Wu, Sl, Wilson, P, Winer, Bl, Wittich, P, Wolbers, S, Wolfe, H, Wright, T, Wu, X, Wu, Z, Yamamoto, K, Yamato, D, Yang, T, Yang, Uk, Yang, Yc, Yao, Wm, Yeh, Gp, Yi, K, Yoh, J, Yorita, K, Yoshida, T, Yu, Gb, Yu, I, Yu, Ss, Yun, Jc, Zanetti, A, Zeng, Y, Zhou, C, Zucchelli, S, Messner, R, Perazzo, A, Swain, Sk, Majewski, Sa, Petersen, Ba, Wilden, L, Bula, R, Jain, V, Wappler, Fr, Krishnamurthy, M, Ye, S, Gallo, F, Bosisio, L, Cossutti, F, Della Ricca, G, Azzolini, V, Ilic, J, Mohanty, Gb, Chen, X, Hollar, Jj, Kutter, Pe, Pierini, M, Neal, H., Sanchez, P. 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L., Morii, M., Adametz, A., Marks, J., Uwer, U., Bernlochner, F. U., Ebert, M., Lacker, H. M., Lueck, T., Volk, A., Dauncey, P. D., Tibbetts, M., Behera, P. K., Mallik, U., Chen, C., Cochranz, J., Crawley, H. B., Dong, L., Meyer, W. T., Prell, S., Rosenberg, E. I., Rubin, A. E., Gritsan, A. V., Guo, Z. J., Arnaud, N., Davier, M., Derkach, D., da Costa, J. Firmino, Grosdidier, G., Le Diberder, F., Lutz, A. M., Malaescu, B., Perez, A., Roudeau, P., Schune, M. H., Serrano, J., Sordini, V., Stocchi, A., Wang, L., Wormser, G., Lange, D. J., Wright, D. M., Bingham, I., Chavez, C. A., Coleman, J. P., Fry, J. R., Gabathuler, E., Gamet, R., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Sigamani, M., Cowan, G., Paramesvaran, S., Wren, A. C., Davis, C. L., Denig, A. G., Fritsch, M., Gradl, W., Hafner, A., Alwyn, K. E., Bailey, D., Barlow, R. J., Jackson, G., Lafferty, G. D., Anderson, J., Cenci, R., Jawahery, A., Roberts, D. A., Simi, G., Tuggle, J. M., Dallapiccola, C., Salvati, E., Cowan, R., Dujmic, D., Sciolla, G., Zhao, M., Lindemann, D., Patel, P. M., Robertson, S. H., Schram, M., Biassoni, P., Lazzaro, A., Lombardo, V., Palombo, F., Stracka, S., Cremaldi, L., Godang, R., Kroeger, R., Sonnek, P., Summers, D. J., Nguyen, X., Simard, M., Taras, P., De Nardo, G., Monorchio, D., Onorato, G., Sciacca, C., Raven, G., Snoek, H. L., Jessop, C. P., Knoepfel, K. J., Losecco, J. M., Wang, W. F., Corwin, L. A., Honscheid, K., Kass, R., Morris, J. P., Blount, N. L., Brau, J., Frey, R., Igonkina, O., Kolb, J. A., Rahmat, R., Sinev, N. B., Strom, D., Strube, J., Torrence, E., Castelli, G., Feltresi, E., Gagliardi, N., Margoni, M., Morandin, M., Posocco, M., Rotondo, M., Simonetto, F., Stroili, R., Ben-Haim, E., Bonneaud, G. R., Briand, H., Calderini, G., Chauveau, J., Hamon, O., Leruste, Ph., Marchiori, G., Ocariz, J., Prendki, J., Sitt, S., Biasini, M., Manoni, E., Rossi, A., Angelini, C., Batignani, G., Bettarini, S., Carpinelli, M., Casarosa, G., Cervelli, A., Forti, F., Giorgi, M. A., Lusiani, A., Neri, N., Paoloni, E., Rizzo, G., Walsh, J. J., Pegna, D. Lope, Lu, C., Olsen, J., Smith, A. J. S., Telnov, A. V., Anulli, F., Baracchini, E., Cavoto, G., Faccini, R., Ferrarotto, F., Ferroni, F., Gaspero, M., Gioi, L. Li, Mazzoni, M. A., Piredda, G., Renga, F., Hartmann, T., Leddig, T., Schroeder, H., Waldi, R., Adye, T., Franek, B., Olaiya, E. O., Wilson, F. F., Emery, S., de Monchenault, G. Hamel, Vasseur, G., Yeche, Ch., Zito, M., Allen, M. T., Aston, D., Bard, D. J., Bartoldus, R., Benitez, J. F., Cartaro, C., Convery, M. R., Dorfan, J., Dubois-Felsmann, G. P., Dunwoodie, W., Field, R. C., Sevilla, M. Franco, Fulsom, B. G., Gabareen, A. M., Graham, M. T., Grenier, P., Hast, C., Innes, W. R., Kelsey, M. H., Kim, H., Kim, P., Kocian, M. L., Leith, D. W. G. S., Li, S., Lindquist, B., Luitz, S., Luth, V., Lynch, H. L., Macfarlane, D. B., Marsiske, H., Muller, D. R., Neal, H., Nelson, S., O'Grady, C. P., Ofte, I., Perl, M., Pulliam, T., Ratcliff, B. N., Roodman, A., Salnikov, A. A., Santoro, V., Schindler, R. H., Schwiening, J., Snyder, A., Su, D., Sullivan, M. K., Sun, S., Suzuki, K., Thompson, J. M., Va'Vra, J., Wagner, A. P., Weaver, M., West, C. A., Wisniewski, W. J., Wittgen, M., Wright, D. H., Wulsin, H. W., Yarritu, A. K., Young, C. C., Ziegler, V., Chen, X. R., Park, W., Purohit, M. V., White, R. M., Wilson, J. R., Sekula, S. J., Bellis, M., Burchat, P. R., Edwards, A. J., Miyashita, T. S., Ahmed, S., Alam, M. S., Ernst, J. A., Pan, B., Saeed, M. A., Zain, S. B., Guttman, N., Soffer, A., Lund, P., Spanier, S. M., Eckmann, R., Ritchie, J. L., Ruland, A. M., Schilling, C. J., Schwitters, R. F., Wray, B. C., Izen, J. M., Lou, X. C., Bianchi, F., Gamba, D., Pelliccioni, M., Bomben, M., Lanceri, L., Vitale, L., Lopez-March, N., Martinez-Vidal, F., Milanes, D. A., Oyanguren, A., Albert, J., Banerjee, Sw., Choi, H. H. F., Hamano, K., King, G. J., Kowalewski, R., Lewczuk, M. J., Nugent, I. M., Roney, J. M., Sobie, R. J., Gershon, T. J., Harrison, P. F., Latham, T. E., Puccio, E. M. T., Band, H. R., Dasu, S., Flood, K. T., Pan, Y., Prepost, R., Vuosalo, C. O., Wu, S. L., Collaboration, Babar, Sanchez, Pda, Lees, Jp, Poireau, V, Prencipe, E, Tisserand, V, Tico, Jg, Grauges, E, Martinelli, M, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Battaglia, M, Brown, Dn, Hooberman, B, Kerth, Lt, Kolomensky, Yg, Lynch, G, Osipenkov, Il, Tanabe, T, Hawkes, Cm, Watson, At, Koch, H, Schroeder, T, Asgeirsson, Dj, Hearty, C, Mattison, T, Mckenna, Ja, Khan, A, Randle Conde, A, Blinov, Ve, Buzykaev, Ar, Druzhinin, Vp, Golubev, Vb, Onuchin, Ap, Serednyakov, Si, Skovpen, Yi, Solodov, Ep, Todyshev, Ky, Yushkov, An, Bondioli, M, Curry, S, Kirkby, D, Lankford, Aj, Mandelkern, M, Martin, Ec, Stoker, Dp, Atmacan, H, Gary, Jw, Liu, F, Long, O, Vitug, Gm, Campagnari, C, Flanigan, Jm, Hong, Tm, Kovalskyi, D, Richman, Jd, West, C, Eisner, Am, Heusch, Ca, Kroseberg, J, Lockman, W, Martinez, Aj, Schalk, T, Schumm, Ba, Seiden, A, Winstrom, Lo, Cheng, Ch, Doll, Da, Echenard, B, Hitlin, Dg, Ongmongkolkul, P, Porter, Fc, Rakitin, Ay, Andreassen, R, Dubrovin, M, Mancinelli, G, Meadows, Bt, Sokoloff, Md, Bloom, Pc, Ford, Wt, Gaz, A, Nagel, M, Nauenberg, U, Smith, Jg, Wagner, Sr, Ayad, R, Toki, Wh, Jasper, H, Karbach, Tm, Merkel, J, Petzold, A, Spaan, B, Wacker, K, Kobel, Mj, Schubert, Kr, Schwierz, R, Bernard, D, Verderi, M, Clark, Pj, Playfer, S, Watson, Je, Andreotti, M, Bettoni, D, Bozzi, C, Calabrese, R, Cecchi, A, Cibinetto, G, Fioravanti, E, Franchini, P, Luppi, E, Munerato, M, Negrini, M, Petrella, A, Piemontese, L, Baldini Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Nicolaci, M, Pacetti, S, Patteri, P, Peruzzi, Im, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, Mr, Passaggio, S, Patrignani, C, Robutti, E, Tosi, S, Bhuyan, B, Prasad, V, Lee, Cl, Morii, M, Adametz, A, Marks, J, Uwer, U, Bernlochner, Fu, Ebert, M, Lacker, Hm, Lueck, T, Volk, A, Dauncey, Pd, Tibbetts, M, Behera, Pk, Mallik, U, Chen, C, Cochranz, J, Crawley, Hb, Dong, L, Meyer, Wt, Prell, S, Rosenberg, Ei, Rubin, Ae, Gritsan, Av, Guo, Zj, Arnaud, N, Davier, M, Derkach, D, da Costa, Jf, Grosdidier, G, Le Diberder, F, Lutz, Am, Malaescu, B, Perez, A, Roudeau, P, Schune, Mh, Serrano, J, Sordini, V, Stocchi, A, Wang, L, Wormser, G, Lange, Dj, Wright, Dm, Bingham, I, Chavez, Ca, Coleman, Jp, Fry, Jr, Gabathuler, E, Gamet, R, Hutchcroft, De, Payne, Dj, Touramanis, C, Bevan, Aj, Di Lodovico, F, Sacco, R, Sigamani, M, Cowan, G, Paramesvaran, S, Wren, Ac, Davis, Cl, Denig, Ag, Fritsch, M, Gradl, W, Hafner, A, Alwyn, Ke, Bailey, D, Barlow, Rj, Jackson, G, Lafferty, Gd, Anderson, J, Cenci, R, Jawahery, A, Roberts, Da, Simi, G, Tuggle, Jm, Dallapiccola, C, Salvati, E, Cowan, R, Dujmic, D, Sciolla, G, Zhao, M, Lindemann, D, Patel, Pm, Robertson, Sh, Schram, M, Biassoni, P, Lazzaro, A, Lombardo, V, Palombo, F, Stracka, S, Cremaldi, L, Godang, R, Kroeger, R, Sonnek, P, Summers, Dj, Nguyen, X, Simard, M, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Raven, G, Snoek, Hl, Jessop, Cp, Knoepfel, Kj, Losecco, Jm, Wang, Wf, Corwin, La, Honscheid, K, Kass, R, Morris, Jp, Blount, Nl, Brau, J, Frey, R, Igonkina, O, Kolb, Ja, Rahmat, R, Sinev, Nb, Strom, D, Strube, J, Torrence, E, Castelli, G, Feltresi, E, Gagliardi, N, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simonetto, F, Stroili, R, Ben Haim, E, Bonneaud, Gr, Briand, H, Calderini, G, Chauveau, J, Hamon, O, Leruste, P, Marchiori, G, Ocariz, J, Prendki, J, Sitt, S, Biasini, M, Manoni, E, Rossi, A, Angelini, C, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Cervelli, A, Forti, F, Giorgi, Ma, Lusiani, Alberto, Neri, N, Paoloni, E, Rizzo, G, Walsh, Jj, Pegna, Dl, Lu, C, Olsen, J, Smith, Aj, Telnov, Av, Anulli, F, Baracchini, E, Cavoto, G, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Gioi, Ll, Mazzoni, Ma, Piredda, G, Renga, F, Hartmann, T, Leddig, T, Schroeder, H, Waldi, R, Adye, T, Franek, B, Olaiya, Eo, Wilson, Ff, Emery, S, de Monchenault, Gh, Vasseur, G, Yeche, C, Zito, M, Allen, Mt, Aston, D, Bard, Dj, Bartoldus, R, Benitez, Jf, Cartaro, C, Convery, Mr, Dorfan, J, Dubois Felsmann, Gp, Dunwoodie, W, Field, Rc, Sevilla, Mf, Fulsom, Bg, Gabareen, Am, Graham, Mt, Grenier, P, Hast, C, Innes, Wr, Kelsey, Mh, Kim, H, Kim, P, Kocian, Ml, Leith, Dwg, Li, S, Lindquist, B, Luitz, S, Luth, V, Lynch, Hl, Macfarlane, Db, Marsiske, H, Muller, Dr, Neal, H, Nelson, S, O'Grady, Cp, Ofte, I, Perl, M, Pulliam, T, Ratcliff, Bn, Roodman, A, Salnikov, Aa, Santoro, V, Schindler, Rh, Schwiening, J, Snyder, A, Su, D, Sullivan, Mk, Sun, S, Suzuki, K, Thompson, Jm, Va'Vra, J, Wagner, Ap, Weaver, M, West, Ca, Wisniewski, Wj, Wittgen, M, Wright, Dh, Wulsin, Hw, Yarritu, Ak, Young, Cc, Ziegler, V, Chen, Xr, Park, W, Purohit, Mv, White, Rm, Wilson, Jr, Sekula, Sj, Bellis, M, Burchat, Pr, Edwards, Aj, Miyashita, T, Ahmed, S, Alam, M, Ernst, Ja, Pan, B, Saeed, Ma, Zain, Sb, Guttman, N, Soffer, A, Lund, P, Spanier, Sm, Eckmann, R, Ritchie, Jl, Ruland, Am, Schilling, Cj, Schwitters, Rf, Wray, Bc, Izen, Jm, Lou, Xc, Bianchi, F, Gamba, D, Pelliccioni, M, Bomben, M, Lanceri, L, Vitale, L, Lopez March, N, Martinez Vidal, F, Milanes, Da, Oyanguren, A, Albert, J, Banerjee, S, Choi, Hhf, Hamano, K, King, Gj, Kowalewski, R, Lewczuk, Mj, Nugent, Im, Roney, Jm, Sobie, Rj, Gershon, Tj, Harrison, Pf, Latham, Te, Puccio, Emt, Band, Hr, Dasu, S, Flood, Kt, Pan, Y, Prepost, R, Vuosalo, Co, and Wu, Sl

Subjects
PACS: 13.25.Hw, 12.39.Mk, 14.20.Gk, 14.40.Nd, BaBar, HEP
Abstract

We present results for B-meson decay modes involving a charm meson, protons, and pions using 455 x 10(6) B (B) over bar pairs recorded by the BaBar detector at the SLAC PEP-II asymmetric-energy e(+)e(-) collider. The branching fractions are measured for the following ten decays: (B) over bar (0) -> D-0 p (p) over bar, (B) over bar (0) -> D*(0) p (p) over bar, (B) over bar (0) -> D+ p (p) over bar pi(-) , (B) over bar (0) -> D-0 p (p) over bar pi(-) , B- -> D-0 p (p) over bar pi(-) , B- -> D*(0) p (p) over bar pi(-) , (B) over bar (0) -> D-0 p (p) over bar pi(-) pi(+) , (B) over bar (0) -> D*(0) p (p) over bar pi(-) pi(+) B- -> D+ p (p) over bar pi(-) pi(-) , and B- -> D*(0) p (p) over bar pi(-) pi(-). The four B- and the two five-body (B) over bar (0) modes are observed for the first time. The four-body modes are enhanced compared to the three- and the five-body modes. In the three-body modes, the M(p (p) over bar) and M(D-(*)0 p) invariant- mass distributions show enhancements near threshold values. In the four-body mode (B) over bar (0) -> D+ p (p) over bar pi(-) , the M(p pi(-)) distribution shows a narrow structure of unknown origin near 1: 5 GeV/c(2). The distributions for the five-body modes, in contrast to the others, are similar to the expectations from uniform phase-space predictions.

Published
2012

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