Author: "Oddone PJ" / Journal: physical review d - particles, fields, gravitation and cosmology - Searchworks@Jio Institute Digital Library Search Results

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107 results on '"Oddone PJ"'

1. Study of inclusive B- and B̄0 decays to flavor-tagged D, Ds, and Λc+

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract: We report on a study of inclusive B- and B̄0 meson decays to D0X, D̄0X, D+X, D-X, Ds+X, Ds-X, Λc+X, Λ̄c-X, based on a sample of 231×106 BB̄ events recorded with the BABAR detector at the Υ(4S) resonance. Events are selected by completely reconstructing one B and searching for a reconstructed charm particle in the rest of the event. From the measured branching fractions of these decays, we infer the number of charm and anticharm particles per B̄ decay, separately for charged and neutral parents. We derive the total charm yield per B- decay, nc-=1.208±0. 023±0.040-0.029+0.035, and per B̄0 decay, nc0=1.203±0. 030±0.034-0.035+0.044 where the first uncertainty is statistical, the second is systematic, and the third reflects the charm branching-fraction uncertainties. We also present the charm momentum distributions measured in the B̄ rest frame. © 2007 The American Physical Society.
Published: 2007

2. Measurements of Λc+ branching fractions of Cabibbo-suppressed decay modes involving Λ and Σ0

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, Best, D, 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, 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, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, and Buchanan, C
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We measure the branching ratios of the Cabibbo-suppressed decays Λc+→ΛK+ and Λc+→Σ0K+ relative to the Cabibbo-favored decay modes Λc+→Λπ+ and Λc+→Σ0π+ to be 0.044±0.004(stat.)±0.003(syst. ) and 0.038±0.005(stat.)±0.003(syst.), respectively. We set an upper limit on the branching ratio at the 90% confidence level for Λc+→ΛK+π+π- of 4.1×10-2 relative to Λc+→Λπ+, and for Λc+→Σ0K+π+π- of 2.0×10-2 relative to Λc+→Σ0π+. We also measure the branching fraction for the Cabibbo-favored mode Λc+→Σ0π+ relative to Λc+→Λπ+ to be 0.977±0.015(stat.) ±0.051(syst.). This analysis was performed using a data sample with an integrated luminosity of 125fb-1 collected by the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. © 2007 The American Physical Society.
Published: 2007

3. Dalitz plot analysis of the decay B±→K±K±K

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We analyze the three-body charmless decay B±→K±K± K using a sample of 226.0±2.5 million BB̄ pairs collected by the BABAR detector. We measure the total branching fraction and CP asymmetry to be B=(35.2±0.9±1.6)×10-6 and ACP=(-1.7±2.6±1.5)%. We fit the Dalitz plot distribution using an isobar model and measure the magnitudes and phases of the decay coefficients. We find no evidence of CP violation for the individual components of the isobar model. The decay dynamics is dominated by the K+K- S-wave, for which we perform a partial-wave analysis in the region m(K+K-)
Published: 2006

4. Search for the decay B0→a1±ρ

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present a search for the rare B-meson decay B0→a1±ρ with a1±→π+π-π±. We use (110±1.2) ×106Υ(4S)→BB̄ decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We obtain an upper limit of 30×10-6(90%C.L.) for the branching fraction product B(B0→a1± ρ)B(a1±→π+π-π±), where we assume that the a1± decays exclusively to ρ0π±. © 2006 The American Physical Society.
Published: 2006

5. Study of B→D()Ds(J)() decays and measurement of Ds- and DsJ(2460)- branching fractions

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present branching fraction measurements of 12 B meson decays of the form B→D(*)Ds(J)(*). The results are based on Υ(4S) decays in BB̄ pairs. One of the B mesons is fully reconstructed and the other decays to two charm mesons, of which one is reconstructed, and the mass and momentum of the other is inferred by kinematics. Combining these results with previous exclusive branching fraction measurements, we determine B(Ds-→ π-)=(4.62±0.36stat.±0.51syst.)%, B(DsJ(2460)-→Ds*- π0)=(56±13stat.±9syst.)% and B(DsJ(2460)-→Ds-γ)= (16±4stat.±3syst.)%. © 2006 The American Physical Society.
Published: 2006

6. Measurements of CP-violating asymmetries and branching fractions in B decays to ωK and ωπ

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract: We present measurements of CP-violating asymmetries and branching fractions for the decays B+→ωπ+, B+→ωK+, and B0→ωK0. The data sample corresponds to 232×106 BB̄ pairs produced by e+e- annihilation at the Υ(4S) resonance. For the decay B0→ωKS0, we measure the time-dependent CP-violation parameters S=0.51-0.39+0.35±0.02, and C=-0.55-0.26+0.28±0.03. We also measure the branching fractions, in units of 10-6, B(B+→ωπ+)=6.1±0.7±0.4, B(B+→ωK+)=6.1±0.6±0.4, and B(B0→ωK0)=6. 2±1.0±0.4, and charge asymmetries Ach(B+→ωπ+)=-0. 01±0.10±0.01 and Ach(B+→ωK+)=0.05±0.09±0. 01. © 2006 The American Physical Society.
Published: 2006

7. Search for the decay τ-→3π-2π+2π0ντ

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: A search for the decay of the τ lepton to five charged and two neutral pions is performed using data collected by the BABAR detector at the PEP-II asymmetric-energy e+e- collider. The analysis uses 232fb-1 of data at center-of-mass energies on or near the Υ(4S) resonance. We observe 10 events with an expected background of 6.5-1.4+2.0 events. In the absence of a signal, we set the limit on the branching ratio B(τ-→3π- 2π+2π0ντ)
Published: 2006

8. Erratum: Dalitz-plot analysis of the decays B±→K±π π± (Physical Review D - Particles, Fields, Gravitation and Cosmology (2005) 73, (072003))

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, and Stoker, DP
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Published: 2006

9. Measurement of the inclusive electron spectrum in charmless semileptonic B decays near the kinematic end point and determination of

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, Best, D, 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, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, and Stoker, DP
Subjects: hep-ex, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present a measurement of the inclusive electron spectrum in B→Xueν decays near the kinematic limit for B→Xceν transitions, using a sample of 88×106 BB̄ pairs recorded by the BABAR detector at the Υ(4S) resonance. Partial branching fraction measurements are performed in five overlapping intervals of the electron momentum; for the interval of 2.0-2.6GeV/c we obtain ΔB(B→Xueν)=(0.572±0. 041stat±0.065syst)×10-3. Combining this result with shape function parameters extracted from BABAR measurements of moments of the inclusive photon spectrum in B→Xsγ decays and moments of the hadron-mass and lepton-energy spectra in B→Xcℓν decays we determine |Vub|=(4.44±0.25exp-0.38SF+0.42±0.22theory)×10-3. Here the first error represents the combined statistical and systematic experimental uncertainties of the partial branching fraction measurement, the second error refers to the uncertainty of the determination of the shape function parameters, and the third error is due to theoretical uncertainties in the QCD calculations. © 2006 The American Physical Society.
Published: 2006

10. B meson decays to ωk*, ωρ, ωω, ω, and ωf0

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, Shen, BC, Wang, K, and Zhang, L
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We describe searches for B meson decays to the charmless vector-vector final states ωK*, ωρ, ωω, and ω with 233×106 BB̄ pairs produced in e+e- BB̄ annihilation at s=10.58GeV. We also search for the vector-scalar B decay to ωf0. We measure the following branching fractions in units of 10-6: B(B0→ω K*0)=2.4±1.1±0.7(
Published: 2006

11. Measurements of the branching fraction and time-dependent CP asymmetries of B0→J/ψπ0 decays

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, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Best, DS, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Gritsan, AV, Groysman, Y, Jacobsen, RG, Kadel, RW, Kadyk, JA, 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, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, and Foulkes, SD
Subjects: hep-ex, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present measurements of the branching fraction and time-dependent CP asymmetries in B0→J/ψπ0 decays based on (231.8±2.6) ×106Υ(4S)→BB̄ decays collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. We obtain a branching fraction B(B0→J/ψπ0)=(1.94±0.22(stat)±0.17(syst))×10-5. We also measure the CP asymmetry parameters C=-0.21±0.26(stat)±0. 06(syst) and S=-0.68±0.30(stat)±0.04(syst). © 2006 The American Physical Society.
Published: 2006

12. Search for B meson decays to η′η′K

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, Shen, BC, Wang, K, and Zhang, L
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We describe searches for decays of B mesons to the charmless final states η′η′K. The data consist of 228×106 BB̄ pairs produced in e+e- annihilation, collected with the BABAR detector at the Stanford Linear Accelerator Center. The 90% confidence level upper limits for the branching fractions are B(B0→η′η′K0)
Published: 2006

13. Measurement of the η and η′ transition form factors at q2=112GeV2

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We report a study of the processes e+e-→ηγ and e+e-→η′γ at a center-of-mass energy of 10.58 GeV, using a 232fb-1 data sample collected with the BABAR detector at the PEP-II collider at SLAC. We observe 20-5+6ηγ and 50-7+8η′γ events over small backgrounds, and measure the cross sections σ(e+e- →ηγ)=4.5-1.1+1.2±0.3fb and σ(e+e- →η′γ)=5.4±0.8±0.3fb. The corresponding transition form factors at q2=112GeV2 are q2|Fη(q2)|=0.229±0. 030±0.008GeV, and q2|Fη′(q2)|=0.251±0.019±0. 008GeV, respectively. © 2006 The American Physical Society.
Published: 2006

14. Search for doubly charmed baryons Ξcc+ and Ξcc++ in BABAR

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, Kerth, LT, Kolomensky, YG, Kukartsev, G, Lynch, G, Mir, LM, Oddone, PJ, Orimoto, TJ, Pripstein, M, Roe, NA, Ronan, MT, Wenzel, WA, Sanchez, PDA, Barrett, M, Ford, KE, Harrison, TJ, Hart, AJ, Hawkes, CM, Morgan, SE, Watson, AT, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Sherwood, DJ, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We search for the production of doubly charmed baryons in e+e- annihilations at or near a center-of-mass energy of 10.58 GeV, in a data sample with an integrated luminosity of 232fb-1 recorded with the BABAR detector at the PEP-II storage ring at the Stanford Linear Accelerator Center. We search for Ξcc+ baryons in the final states Λc+K-π+ and Ξc0π+, and Ξcc++ baryons in the final states Λc+K-π+π+ and Ξc0π+π+. We find no evidence for the production of doubly charmed baryons. © 2006 The American Physical Society.
Published: 2006

15. Measurements of branching fractions, rate asymmetries, and angular distributions in the rare decays B→K + - and B→K* + -

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present measurements of the flavor-changing neutral current decays B→K + - and B→K* + -, where + - is either an e+e- or μ+μ- pair. The data sample comprises 229×106Υ(4S)→BB̄ decays collected with the BABAR detector at the PEP-II e+e- storage ring. Flavor-changing neutral current decays are highly suppressed in the standard model and their predicted properties could be significantly modified by new physics at the electroweak scale. We measure the branching fractions B(B→K + -)=(0.34±0.07±0.02)×10-6, B(B→K* + -)=(0.78-0.17+0.19±0.11)×10-6, the direct CP asymmetries of these decays, and the relative abundances of decays to electrons and muons. For two regions in + - mass, above and below mJ/ψ, we measure partial branching fractions and the forward-backward angular asymmetry of the lepton pair. In these same regions we also measure the K* longitudinal polarization in B→K* + - decays. Upper limits are obtained for the lepton-flavor-violating decays B→Keμ and B→K*eμ. All measurements are consistent with standard model expectations. © 2006 The American Physical Society.
Published: 2006

16. Measurement of branching fractions in radiative B decays to ηkγ and search for B decays to η′Kγ

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract: We present measurements of the B→ηKγ branching fractions and upper limits for the B→η′Kγ branching fractions. For B+→ηK+γ we also measure the time-integrated charge asymmetry. The data sample, collected with the BABAR detector at the Stanford Linear Accelerator Center, represents 232×106 produced BB̄ pairs. The results for branching fractions and upper limits at 90% confidence level in units of 10-6 are: B(B0→ηK0γ)=11.3-2.6+2.8±0.6, B(B+→ηK+γ)=10.0±1.3±0.5, B(B0→η′ K0γ)
Published: 2006

17. Measurement of B̄0→D()0K̄()0 branching fractions

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, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Best, DS, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Gritsan, AV, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Buzykaev, A, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, and Gary, JW
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract: We present a study of the decays B̄0→D(*)0K̄(*)0 using a sample of 226×106 Υ(4S)→BB̄ decays collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider at SLAC. We report evidence for the decay of B0 and B̄0 mesons to the D*0KS0 final state with an average branching fraction B(B∼0→D*0K∼0) ≡(B(B̄0→D*0K̄0)+B(B0→D*0K0))/2=(3. 6±1.2±0.3)×10-5. Similarly, we measure B(B∼0→ D0K∼0)≡(B(B̄0→D0K̄0)+B(B0→D0K0))/2=(5.3±0. 7±0.3)×10-5 for the D0KS0 final state. We measure B(B̄0→D0K̄*0)=(4.0±0.7±0.3)×10-5 and set a 90% confidence level upper limit B(B̄0→D̄0K̄*0)
Published: 2006

18. Measurement of branching fractions and CP-violating charge asymmetries for B-meson decays to D()D̄(), and implications for the Cabibbo-Kobayashi-Maskawa angle γ

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present measurements of the branching fractions and charge asymmetries of B decays to all D(*)D̄(*) modes. Using 232×106 BB̄ pairs recorded on the Υ(4S) resonance by the BABAR detector at the e+e- asymmetric B factory PEP-II at the Stanford Linear Accelerator Center, we measure the branching fractions B(B0→D*+D*-)=(8.1±0. 6±1.0)×10-4, B(B0→D*±D)=(5.7±0.7±0. 7)×10-4, B(B0→D+D-)=(2.8±0.4±0.5)×10-4, B(B+→D*+D̄*0)=(8.1±1.2±1.2)×10-4, B(B+→D*+D̄0)=(3.6±0.5±0.4)×10-4, B(B+→D+D̄*0)=(6.3±1.4±1.0)×10-4, and B(B+→D+D̄0)=(3.8±0.6±0.5)×10-4, where in each case the first uncertainty is statistical and the second systematic. We also determine the limits B(B0→D*0D̄*0)
Published: 2006

19. Study of e+e-→pp̄ using initial state radiation with BABAR

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, Best, DS, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Gritsan, AV, Groysman, Y, Jacobsen, RG, Kadel, RW, Kadyk, JA, 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, Cottingham, WN, Walker, D, 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, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, and Abachi, S
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: The e+e-→pp̄ cross section is determined over a range of pp̄ masses, from threshold to 4.5GeV/c2, by studying the e+e-→pp̄γ process. The data set corresponds to an integrated luminosity of 232fb-1, collected with the BABAR detector at the PEP-II storage ring, at an e+e- center-of-mass energy of 10.6 GeV. The mass dependence of the ratio of electric and magnetic form factors, |GE/GM|, is measured for pp̄ masses below 3GeV/c2; its value is found to be significantly larger than 1 for masses up to 2.2GeV/c2. We also measure J/ψ→pp̄ and ψ(2S)→pp̄ branching fractions and set an upper limit on Y(4260)→pp̄ production and decay. © 2006 The American Physical Society.
Published: 2006

20. Search for the charmed pentaquark candidate Θc(3100)0 in e+e- annihilations at s=10.58GeV

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We search for the charmed pentaquark candidate reported by the H1 collaboration, the Θc(3100)0, in e+e- interactions at a center-of-mass (c.m.) energy of 10.58 GeV, using 124fb-1 of data recorded with the BABAR detector at the PEP-II e+e- facility at SLAC. We find no evidence for such a state in the same pD*- decay mode reported by H1, and we set limits on its production cross section times branching fraction into pD*- as a function of c.m. momentum. The corresponding limit on its total rate per e+e-→qq̄ event, times branching fraction, is about 3 orders of magnitude lower than rates measured for the charmed Λc and Σc baryons in such events. © 2006 The American Physical Society.
Published: 2006

21. The e+e-→3(π+π-), 2(π+π-π0) and K+K-2(π+π-) cross sections at center-of-mass energies from production threshold to 4.5 GeV measured with initial-state radiation

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, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Best, DS, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Gritsan, AV, Groysman, Y, Jacobsen, RG, Kadel, RW, Kadyk, JA, 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, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, and Foulkes, SD
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We study the processes e+e-→3(π+π-)γ, 2(π+π-π0) γ and K+K-2(π+π-)γ, with the photon radiated from the initial state. About 20000, 33000 and 4000 fully reconstructed events, respectively, have been selected from 232fb-1 of BABAR data. The invariant mass of the hadronic final state defines the effective e+e- center-of-mass energy, so that these data can be compared with the corresponding direct e+e- measurements. From the 3(π+π-), 2(π+π-π0) and K+K-2(π+π-) mass spectra, the cross sections for the processes e+e-→3(π+π-), e+e-→2(π+π- π0) and e+e-→K+K-2(π+π-) are measured for center-of-mass energies from production threshold to 4.5 GeV. The uncertainty in the cross section measurement is typically 6%-15%. We observe a structure at 1.9 GeV in both cross sections and a resonance structure with mass 1645±0.008GeV/c2 and width 0.114±0.014GeV when the ω(782)η final state is extracted. We observe the J/ψ in all these final states and measure the corresponding branching fractions. © 2006 The American Physical Society.
Published: 2006

22. Measurement of CP observables for the decays B±→DCP0K±

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, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Best, DS, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Gritsan, AV, Groysman, Y, Jacobsen, RG, Kadel, RW, Kadyk, JA, 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, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, and Foulkes, SD
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract: We present a study of the decay B-→D(CP)0K- and its charge conjugate, where D(CP)0 is reconstructed in CP-even, CP-odd, and non-CP flavor eigenstates, based on a sample of 232×106 Υ(4S)→BB̄ decays collected with the BABAR detector at the PEP-II e+e- storage ring. We measure the partial-rate charge asymmetries ACP± and the ratios RCP± of the B→D0K decay branching fractions as measured in CP± and non-CP D0 decays: ACP+=0.35±0.13(stat)±0.04(syst), ACP-=-0.06±0. 13(stat)±0.04(syst), RCP+=0.90±0.12(stat)±0.04(syst), and RCP-=0.86±0.10(stat)±0.05(syst). © 2006 The American Physical Society.
Published: 2006

23. Branching fraction limits for B0 decays to η′η, η′π0 and ηπ0

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, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Best, DS, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Gritsan, AV, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Buzykaev, A, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, and Gary, JW
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We describe searches for decays to two-body charmless final states η′η, η′π0 and ηπ0 of B0 mesons produced in e+e- annihilation. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 232×106 produced BB̄ pairs. The results for branching fractions are, in units of 10-6 (upper limits at 90% C.L.): B(B0→η′η)=0.2-0.5+0.7±0.4(
Published: 2006

24. Measurement of the B̄0 lifetime and the B0B̄0 oscillation frequency using partially reconstructed B̄0→D*+ℓ- ν̄ℓ decays

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, Kelly, MP, 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, Eschrich, I, Kirkby, D, Lankford, AJ, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, and Buchanan, C
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract: We present a simultaneous measurement of the B̄0 lifetime τB0 and B0B̄0 oscillation frequency Δmd. We use a sample of about 50000 partially reconstructed B̄0→D*+ℓ-ν̄ℓ decays identified with the BABAR detector at the PEP-II e+e- storage ring at SLAC. The flavor of the other B meson in the event is determined from the charge of another high-momentum lepton. The results are τB0=(1.504±0.013(stat)- 0.013+0.018(syst))ps, Δmd=(0.511±0.007(stat)-0.006+0.007(syst))ps- 1. © 2006 The American Physical Society.
Published: 2006

25. Measurement of time-dependent CP asymmetries in B0→D(*) ±π and B0→D±ρ decays

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, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Best, DS, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Gritsan, AV, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Buzykaev, A, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, and Gary, JW
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present updated results on time-dependent CP asymmetries in fully reconstructed B0→D(*)±π and B0→D±ρ decays in approximately 232×106 Υ(4S)→BB̄ events collected with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. From a time-dependent maximum-likelihood fit we obtain for the parameters related to the CP violation angle 2β+γ: aDπ=-0.010±0.023±0.007, clepDπ=-0.033±0.042±0.012, aD*π=-0.040±0. 023±0.010, clepD*π=0.049±0.042±0.015,aDρ=-0. 024±0.031±0.009, clepDρ=-0.098±0.055±0.018, where the first error is statistical and the second is systematic. Using other measurements and theoretical assumptions, we interpret the results in terms of the angles of the Cabibbo-Kobayashi-Maskawa unitarity triangle and find |sin (2β+γ)|>0.64(0.40) at 68% (90%) confidence level. © 2006 The American Physical Society.
Published: 2006

26. Measurement of the B-→D0K*- branching fraction

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, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Best, DS, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Gritsan, AV, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Buzykaev, A, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, and Gary, JW
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: From a sample of 232×106 Υ(4S)→BB̄ events collected with the BABAR detector at the PEP-II B Factory in 1999-2004, we measure the B-→D0K*-(892) decay branching fraction using events where the K*- is reconstructed in the KS0π- mode and the D0 in the K-π+, K-π+π0, and K-π+π+π- channels: B(B-→D0K*-(892))=(5. 29±0.30(stat)±0.34(syst))×10-4. © 2006 The American Physical Society.
Published: 2006

27. Measurements of the decays B0→D̄0pp̄, B0→D̄* 0pp̄, B0→D-pp̄π+, and B0→D*-pp̄π+

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present measurements of branching fractions of B0 decays to multibody final states containing protons, based on 232×106 Υ(4S)→BB̄ decays collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. We measure the branching fractions B(B0→D̄0pp̄)=(1. 13±0.06±0.08)×10-4, B(B0→D̄*0pp̄)=(1. 01±0.10±0.09)×10-4, B(B0→D-pp̄π+)=(3. 38±0.14±0.29)×10-4, and B(B0→D*-pp̄π+)= (4.81±0.22±0.44)×10-4 where the first error is statistical and the second systematic. We present a search for the charmed pentaquark state, Θc(3100) observed by H1 and put limits on the branching fraction B(B0→Θcp̄π+)×B(Θc→D*-p)
Published: 2006

28. Search for B+→ π+ and B0→ π0 decays

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract: A search has been made for the decays B+→ π+ and B0→ π0 in a data sample of approximately 232×106 BB̄ pairs recorded at the Υ(4S) resonance with the BABAR detector at the PEP-II B-meson Factory at SLAC. No significant signals have been observed, and therefore upper limits have been set on the branching fractions: B(B+→ π+)
Published: 2006

29. Study of the X(3872) and Y(4260) in B0→J/ψπ+π-K0 and B-→J/ψπ+π-K- decays

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, and Stoker, DP
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present results of a search for the X(3872) in B0→X(3872)KS0, X(3872)→J/ψπ+π-, improved measurements of B-→X(3872)K-, and a study of the J/ψπ+π- mass region above the X(3872). We use 232×106 BB̄ pairs collected at the Υ(4S) resonance with the BABAR detector at the PEP-II e+e- asymmetric-energy storage rings. The results include the 90% confidence interval 1.34×10-6
Published: 2006

30. Search for the decay of a B0 or B̄0 meson to K̄0K0 or K0K̄0

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, Kerth, LT, Kolomensky, YG, Kukartsev, G, Lynch, G, Mir, LM, Oddone, PJ, Orimoto, TJ, Pripstein, M, Roe, NA, Ronan, MT, Wenzel, WA, Del Amo Sanchez, P, Barrett, M, Ford, KE, Harrison, TJ, Hart, AJ, Hawkes, CM, Morgan, SE, Watson, AT, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Sherwood, DJ, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract: We present a search for the decay of a B0 or B̄0 meson to a K̄*0K0 or K*0K̄0 final state, using a sample of approximately 232×106 BB̄ events collected with the BABAR detector at the PEP-II asymmetric energy e+e- collider at SLAC. The measured branching fraction is B(B0→K̄*0K0)+B(B0→K*0K̄0)=(0.2-0.8- 0.3+0.9+0.1)×10-6. We obtain the following upper limit for the branching fraction at 90% confidence level: B(B0→K̄*0K0) +B(B0→K*0K̄0)
Published: 2006

31. Measurements of the B→D* form factors using the decay B̄0→D*+e-ν̄e

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, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Best, DS, 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, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, and Foulkes, SD
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract: We measure the dependence of B̄0→D*+e-ν̄e on the decay angles and momentum transfer. The data sample consists of ∼86×106 BB̄-pairs accumulated on the Υ(4S) resonance by the BABAR detector at the asymmetric e+e- collider PEP-II. We specify the three form factors by two ratios R1 and R2, and by a single parameter ρ2 characterizing the polynomial representing hA1, the function which describes the momentum-transfer dependence of the form factor A1. We determine R1, R2, and ρ2 using an unbinned maximum likelihood fit to the full decay distribution. The results are R1=1.396±0.060±0.035±0.027, R2=0.885±0.040±0.022±0.013, and ρ2=1.145±0. 059±0.030±0.035. The stated uncertainties are the statistical from the data, statistical from the size of the Monte Carlo sample and the systematic uncertainty, respectively. In addition, based on this measurement, we give an updated value for the CKM matrix element |Vcb|. © 2006 The American Physical Society.
Published: 2006

32. Search for rare quark-annihilation decays, B-→Ds

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, Best, D, 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, 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, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, and Buchanan, C
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We report on searches for B-→Ds- and B-→Ds*-. In the context of the standard model, these decays are expected to be highly suppressed since they proceed through annihilation of the b and ū quarks in the B- meson. Our results are based on 234×106 Υ(4S)→BB̄ decays collected with the BABAR detector at SLAC. We find no evidence for these decays, and we set Bayesian 90% confidence level upper limits on the branching fractions B(B-→Ds-)
Published: 2006

33. Measurement of the D+→π+π0 and D+→K+π0 branching fractions

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, Shen, BC, Wang, K, and Zhang, L
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present measurements of the branching fractions for the Cabbibo suppressed decays D+→π+π0 and D+→K+π0 based on a data sample corresponding to an integrated luminosity of 124.3fb-1. The data were taken with the BABAR detector at the PEP-II B Factory operating on and near the Υ(4S) resonance. We find B(D+→π+π0)=(1.25±0.10±0. 09±0.04)×10-3 and B(D+→K+π0)=(2.52±0.47±0. 25±0.08)×10-4, where the first uncertainty is statistical, the second systematic and the last error is due to the uncertainties in the absolute branching fraction scale for D+ mesons. This represents the first observation of the doubly Cabibbo-suppressed D+→K+π0 decay mode and a new measurement of the D+→π+π0 branching fraction. © 2006 The American Physical Society.
Published: 2006

34. Study of the decay B̄0→D*+ωπ-

Author: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Pappagallo, M, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Battaglia, M, Brown, DN, Button-Shafer, J, Cahn, RN, Charles, E, Day, CT, Gill, MS, Groysman, Y, Jacobsen, RG, Kadyk, JA, 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, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, JT, Burke, JP, Cottingham, WN, Walker, D, Cuhadar-Donszelmann, T, Fulsom, BG, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Saleem, M, Teodorescu, L, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Yu Todyshev, K, Best, DS, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Abachi, S, Buchanan, C, Foulkes, SD, Gary, JW, Long, O, and Shen, BC
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We report on a study of the decay B̄0→D*+ωπ- with the BABAR detector at the PEP-II B-factory at the Stanford Linear Accelerator Center. Based on a sample of 232×106 BB̄ decays, we measure the branching fraction B(B̄0→D*+ωπ-)=(2.88±0. 21(stat.)±0.31(syst.))×10-3. We study the invariant mass spectrum of the ωπ- system in this decay. This spectrum is in good agreement with expectations based on factorization and the measured spectrum in τ-→ωπ-ντ. We also measure the polarization of the D*+ as a function of the ωπ- mass. In the mass region 1.1 to 1.9 GeV we measure the fraction of longitudinal polarization of the D*+ to be ΓL/Γ=0.654±0.042(stat.)±0.016(syst.). This is in agreement with the expectations from heavy-quark effective theory and factorization assuming that the decay proceeds as B̄0→ D*+ρ(1450)-, ρ(1450)-→ωπ-. © 2006 The American Physical Society.
Published: 2006

35. Measurements of neutral B decay branching fractions to KS0π+π- final states and the charge asymmetry of B0→K*+π-

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, and Stoker, DP
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract: We analyze the decay B0→KS0π+π- using a sample of 232×106 Υ(4S)→BB̄ decays collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. A maximum likelihood fit finds the following branching fractions: B(B0→K0π+π-)=(43.0±2.3±2.3) ×10-6,B(B0→f0(→π+π-)K0)=(5.5±0.7±0. 5±0.3)×10-6 and B(B0→K*+π-)=(11.0±1. 5±0.5±0.5)×10-6. For these results, the first uncertainty is statistical, the second is systematic, and the third (if present) is due to the effect of interference from other resonances. We also measure the CP-violating charge asymmetry in the decay B0→K*+π-, AK*π=-0. 11±0.14±0.05. © 2006 The American Physical Society.
Published: 2006

36. Search for the W-exchange decays B0→Ds()-Ds()+

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, Best, D, 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, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, AJ, Lund, P, Mandelkern, M, Mommsen, RK, Roethel, W, and Stoker, DP
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We report a search for the decays B0→Ds-Ds+, B0→Ds*-Ds+, and B0→Ds*-Ds*+ in a sample of 232×106 Υ(4S) decays to BB̄ pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring. We find no significant signal and set upper bounds for the branching fractions: B(B0→Ds-Ds+)
Published: 2005

37. Search for the radiative decay B0→γ

Author: Aubert, B, Barate, R, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, JP, Poireau, V, Tisserand, V, Zghiche, A, Grauges-Pous, E, Palano, A, Pompili, A, Chen, JC, Qi, ND, Rong, G, Wang, P, Zhu, YS, Eigen, G, Ofte, I, Stugu, B, Abrams, GS, Borgland, AW, 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, Schroeder, T, Steinke, M, Boyd, JT, Chevalier, N, Cottingham, WN, Kelly, MP, Latham, TE, Wilson, FF, Cuhadar-Donszelmann, T, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Thiessen, D, Khan, A, Kyberd, P, Teodorescu, L, Blinov, AE, Blinov, VE, Druzhinin, VP, Golubev, VB, Ivanchenko, VN, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Yushkov, AN, Best, D, Bruinsma, M, Chao, M, Eschrich, I, Kirkby, D, Lankford, AJ, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Buchanan, C, Hartfiel, BL, Weinstein, AJR, and Foulkes, SD
Subjects: Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract: We perform a search for the exclusive radiative decay B0→γ, which is dominated by b̄d annihilation, in a sample of 124×106 BB̄ events collected with the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring at SLAC. No significant signal is seen. We set an upper limit on the branching fraction of B(B0→γ)
Published: 2005

38. Measurement of the branching ratios Γ(Ds+→Ds+π0)/ Γ(Ds+→Ds+γ) and Γ(D0→D0π0)/ Γ(D0→D0γ)

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, and Stoker, DP
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: Data samples corresponding to the isospin-violating decay Ds*+→Ds+π0 and the decays Ds*+→Ds+γ, D*0→D0π0 and D*0→D0γ are reconstructed using 90.4 fb-1 of data recorded by the BABAR detector at the PEP-II asymmetric-energy e+e- collider. The following branching ratios are extracted: Γ(Ds*+→Ds+π0)/Γ(Ds*+→Ds+γ)=0. 062±0.005(stat.)±0.006(syst.) and Γ(D*0→D0π0)/ Γ(D*0→D0γ)=1.74±0.02(stat.)±0.13(syst.). Both measurements represent significant improvements over present world averages. © 2005 The American Physical Society.
Published: 2005

39. Measurement of CP observables for the decays B±→DCP0K *±

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, and Stoker, DP
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: Using a sample of 232×106 Υ(4S)→BB̄ events collected with the BABAR detector at the PEP-II B Factory in 1999-2004, we study B-→D0K*(892)- decays where K*-→KS0π- and D0→K-π+, K-π+π0, K-π+π+π- (non-CP final states); K+K-, π+π- (CP+ eigenstates); KS0π0, KS0, and KS0ω (CP- eigenstates). We measure four observables that are sensitive to the angle γ of the CKM unitarity triangle; the partial-rate charge asymmetries ACP± and the ratios of the B-decay branching fraction in CP± and non-CP decays RCP±: ACP+=-0.08±0.19(stat)±0.08(syst), ACP-=-0.26±0.40(stat)±0.12(syst), RCP+=1.96±0.40(stat) ±0.11(syst), and RCP-=0.65±0.26(stat)±0.08(syst). © 2005 The American Physical Society.
Published: 2005

40. Measurement of the branching fraction and decay rate asymmetry of B-→Dπ+π-π0K-

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, Borgland, AW, 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, Kelly, MP, Cuhadar-Donszelmann, T, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, 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, Eschrich, I, Kirkby, D, Lankford, AJ, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, Buchanan, C, and Hartfiel, BL
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We report the observation of the decay B-→Dπ+π-π0K-, where Dπ+π-π0 indicates a neutral D meson detected in the final state π+π-π0, excluding KS0π0. This doubly Cabibbo-suppressed decay chain can be used to measure the CKM phase γ. Using about 229×106 e+e-→BB̄ events recorded by the BABAR experiment at the PEP-II e+e- storage ring, we measure the branching fraction B(B-→Dπ+π-π0K-)= (5.5±1.0(stat.)±0.7(syst.))×10-6 and the decay rate asymmetry A(B-→Dπ+π-π0K-)=-0.02±0.16(stat.)±0. 03(syst.) for the full decay chain. © 2005 The American Physical Society.
Published: 2005

41. Study of b→c interference in the decay B-→[K+π-]DK*-

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, and Stoker, DP
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: Using a sample of 232×106Υ(4S)→BB̄ events collected with the BABAR detector at the PEP-II B factory we study the decay B-→[K+π-]DK*- where the K+π- is either from a Cabibbo-favored D̄0 decay or doubly-suppressed D0 decay. We measure two observables that are sensitive to the Cabibbo-Kobayashi-Maskawa angle γ; the ratio R of the charge-averaged branching fractions for the suppressed and favored decays; and the charge asymmetry A of the suppressed decays: R=0.046±0.031(stat) ±0.008(syst), A=-0.22±0.61(stat)±0.17(syst). © 2005 The American Physical Society.
Published: 2005

42. Study of the τ-→3h-2h+ντ decay

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, Borgland, AW, 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, Kelly, MP, Cuhadar-Donszelmann, T, Hearty, C, Knecht, NS, Mattison, TS, McKenna, JA, Khan, A, Kyberd, P, Teodorescu, L, Blinov, AE, Blinov, VE, Bukin, AD, Druzhinin, VP, Golubev, VB, Ivanchenko, VN, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Yushkov, AN, Best, D, Bondioli, M, Bruinsma, M, Chao, M, Eschrich, I, Kirkby, D, Lankford, AJ, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, and Buchanan, C
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: The branching fraction of the τ-→3h-2h+ντ decay (h=π,K) is measured with the BABAR detector to be (8.56±0.05±0.42) ×10-4, where the first error is statistical and the second systematic. The observed structure of this decay is significantly different from the phase space prediction, with the ρ resonance playing a strong role. The decay τ-→f1(1285)π-ντ, with the f1(1285) meson decaying to four charged pions, is observed and the branching fraction is measured to be (3.9±0.7±0.5)×10-4. © 2005 The American Physical Society.
Published: 2005

43. Dalitz-plot analysis of the decays B±→K±π π±

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, and Stoker, DP
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We report a Dalitz-plot analysis of the charmless hadronic decays of charged B mesons to the final state K±π π±. Using a sample of 226.0±2.5 million BB̄ pairs collected by the BABAR detector, we measure the magnitudes and phases of the intermediate resonant and nonresonant amplitudes for both charge-conjugate decays. We present measurements of the corresponding branching fractions and their charge asymmetries that supersede those of previous BABAR analyses. We find the charge asymmetries to be consistent with zero. © 2005 The American Physical Society.
Published: 2005

44. Study of B→π ν and B→ρ ν decays and determination of

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, Kelly, MP, 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, Eschrich, I, Kirkby, D, Lankford, AJ, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, and Buchanan, C
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present an analysis of exclusive charmless semileptonic B-meson decays based on 83×106 BB̄ pairs recorded with the BABAR detector at the Υ(4S) resonance. Using isospin symmetry, we measure branching fractions B(B0→π- +ν)=(1.38±0.10±0.16±0.08)×10-4 and B(B0→ρ- +ν)=(2.14±0.21±0.48±0.28)×10-4, where the errors are statistical, experimental systematic, and due to form-factor shape uncertainties. We compare the measured distribution in q2, the momentum-transfer squared, with theoretical predictions for the form factors from lattice QCD and light-cone sum rules, and extract the Cabibbo-Kobayashi- Maskawa (CKM) matrix element |Vub|=(3.82±0.14±0.22±0.11-0. 52+0.88)×10-3 from B→π ν, where the fourth error reflects the uncertainty of the form-factor normalization. © 2005 The American Physical Society.
Published: 2005

45. Measurement of the time-dependent CP-violating asymmetry in B0→KS0π0γ decays

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, and Stoker, DP
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present a measurement of the time-dependent CP-violating asymmetry in B0→K*0γ decays with K*0→KS0π0 based on 232×106 Υ(4S)→BB̄ decays collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider at SLAC. In a sample containing 157±16 signal decays, we measure SK*0γ=-0.21±0. 40±0.05 and CK*0γ=-0.40±0.23±0.03, where the first error is statistical and the second systematic. We also explore B0→KS0π0γ decays with 1.1
Published: 2005

46. Dalitz plot analysis of D0→K̄0K+K-

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, Kelly, MP, 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, Eschrich, I, Kirkby, D, Lankford, AJ, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, and Buchanan, C
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: A Dalitz plot analysis of approximately 12500 D0 events reconstructed in the hadronic decay D0→K̄0K+K- is presented. This analysis is based on a data sample of 91.5fb-1 collected with the BABAR detector at the PEP-II asymmetric-energy e+e- storage rings at SLAC running at center-of-mass energies on and 40 MeV below the Υ(4S) resonance. The events are selected from e+e-→cc̄ annihilations using the decay D*+→D0π+. The following ratio of branching fractions has been obtained: BR= Γ(D0→K̄0K+K-)Γ(D0→K̄0π+π-)=(15.8±0. 1(stat.)±0.5(syst.))×10-2. Estimates of fractions and phases for resonant and nonresonant contributions to the Dalitz plot are also presented. The a0(980)→K̄K projection has been extracted with little background. A search for CP asymmetries on the Dalitz plot has been performed. © 2005 The American Physical Society.
Published: 2005

47. Measurement of the B+→pp̄K+ branching fraction and study of the decay dynamics

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, Kelly, MP, 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, Eschrich, I, Kirkby, D, Lankford, AJ, Mandelkern, M, Mommsen, RK, Roethel, W, Stoker, DP, and Buchanan, C
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: With a sample of 232×106 Υ(4S)→BB̄ events collected with the BABAR detector, we study the decay B+→pp̄K+ excluding charmonium decays to pp̄. We measure a branching fraction B(B+→pp̄K+)=(6.7±0.5±0.4)×10-6. An enhancement at low pp̄ mass is observed and the Dalitz plot asymmetry suggests dominance of the penguin amplitude in this B decay. We search for a pentaquark candidate Θ*++ decaying into pK+ in the mass range 1.43 to 2.00GeV/c2 and set limits on B(B+→Θ*++p̄)×B(Θ*++→pK+) at the 10-7 level. © 2005 The American Physical Society.
Published: 2005

48. Measurements of the B→Xsγ branching fraction and photon spectrum from a sum of exclusive final states

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, and Stoker, DP
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: Using 88.9 million BB̄ events collected by the BABAR detector at the Υ(4S), we measure the branching fraction for the radiative penguin process B→Xsγ from the sum of 38 exclusive final states. The inclusive branching fraction above a minimum photon energy Eγ>1.9GeV is B(b→sγ)=(3.27±0.18(stat)-0.40+0.55(syst)-0.09+0.04(theory)) ×10-4. We also measure the isospin asymmetry between B- →Xsūγ and B̄0→Xsd̄γ to be Δ0-=-0.006±0.058(stat)±0.009(syst)±0.024(B̄0/B-) . The photon energy spectrum is measured in the B rest frame, from which moments are derived for different values of the minimum photon energy. We present fits to the photon spectrum and moments which give the heavy-quark parameters mb and μπ2. The fitted parameters are consistent with those obtained from semileptonic B→Xc ν decays, and are useful inputs for the extraction of |Vub| from measurements of semileptonic B→Xu ν decays. © 2005 The American Physical Society.
Published: 2005

49. Precision measurement of the Λc+ 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, 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, and Buchanan, C
Subjects: hep-ex, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: The Λc+ baryon mass is measured using Λc+→ΛKS0K+ and Λc+→Σ0KS0K+ decays reconstructed in 232fb-1 of data collected with the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring. The Λc+ mass is measured to be 2286.46±0.14MeV/c2. The dominant systematic uncertainties arise from the amount of material in the tracking volume and from the magnetic field strength. © 2005 The American Physical Society.
Published: 2005

50. Amplitude analysis of the decay B±→π±π±π

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, and Stoker, DP
Subjects: Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract: We present a Dalitz-plot analysis of charmless B± decays to the final state π±π±π using 210fb-1 of data recorded by the BABAR experiment at s=10.58GeV. We measure the branching fractions B(B±→π±π±π)=(16.2±1.2±0.9) ×10-6 and B(B±→ρ0(770)π±)=(8.8±1. 0±0.6-0.7+0.1)×10-6. Measurements of branching fractions for the quasi-two-body decays B±→ρ0(1450)π±, B±→f0(980)π± and B±→f2(1270)π± are also presented. We observe no charge asymmetries for the above modes, and there is no evidence for the decays B±→χc0π±, B±→f0(1370)π± and B±→σπ±. © 2005 The American Physical Society.
Published: 2005

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