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Related papers: Re-analysis of data on a0(1450) and a0(980)

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We measure the mass difference, \Delta m_0, between the D*(2010)+ and the D0 and the natural line width, \Gamma, of the transition D*(2010)+ -> D0 pi+. The data were recorded with the BABAR detector at center-of-mass energies at and near…

High Energy Physics - Experiment · Physics 2013-09-17 The BaBar Collaboration

Partial decay widths of various decay channels of the X(1835) are evaluated in the 3P0 quark model, assuming that the X(1835) is a nucleon-antinucleon bound state. It is found that the decays to rho+rho, omega+omega and pion+a0(1450)…

Nuclear Theory · Physics 2015-06-04 D. Samart , Y. Yan , Th. Gutsche , Amand Faessler

We report studies of $B^0 \to \pi^+ \pi^- \pi^0$, using $78 {\rm fb}^{-1}$ of data collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric $e^+e^-$ storage ring. We measure the branching fraction for $B^0…

High Energy Physics - Experiment · Physics 2007-05-23 K. Abe

Recently the BES collaboration has announced observation of a resonant state in the $\pi^+\pi^- \eta'$ spectrum in $J/\psi \to \gamma \pi^+\pi^-\eta'$ decay. Fitting the data with a $0^{-+}$ state, the mass is determined to be 1833.7 MeV…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xiao-Gang He , Xue-Qian Li , Xiang Liu , J. P. Ma

The cross section of the process e+ e- --> pi0 pi0 gamma has been measured in the c.m. energy range 600--970 MeV with the CMD-2 detector. The following branching ratios have been determined: B(rho --> pi0 pi0 gamma) =(5.2^{+1.5}_{-1.3} +-…

High Energy Physics - Experiment · Physics 2012-08-27 CMD2 Collaboration

Cross sections and form factors for $\ee \to \wpi$, $\rho\eta$, and $\rho\etap$ at center of mass energies of 3.650, 3.686, and 3.773 GeV are measured using data samples collected with the BESII detector at the BEPC. Also, the branching…

High Energy Physics - Experiment · Physics 2019-08-14 M. Ablikim

Using a data sample of 980 ${\rm fb}^{-1}$ of $e^+e^-$ annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy $e^+e^-$ collider, we report the results of a study of the decays of the $\Omega_c^0$ charmed…

High Energy Physics - Experiment · Physics 2018-02-07 Belle Collaboration , J. Yelton , I. Adachi , H. Aihara , S. AlSaid , D. M. Asner , H. Atmacan , V. Aulchenko , T. Aushev , R. Ayad , T. Aziz , V. Babu , A. M. Bakich , V. Bansal , P. Behera , M. Berger , V. Bhardwaj , J. Biswal , A. Bobrov , A. Bondar , A. Bozek , M. Bracko , T. E. Browder , D. Cervenkov , M. -C. Chang , P. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , K. Cho , S. -K. Choi , Y. Choi , S. Choudhury , D. Cinabro , T. Czank , N. Dash , S. DiCarlo , Z. Dolezal , S. Eidelman , J. E. Fast , T. Ferber , B. G. Fulsom , R. Garg , V. Gaur , N. Gabyshev , A. Garmash , M. Gelb , A. Giri , P. Goldenzweig , D. Greenwald , Y. Guan , E. Guido , J. Haba , T. Hara , K. Hayasaka , H. Hayashii , W. -S. Hou , T. Iijima , K. Inami , G. Inguglia , A. Ishikawa , R. Itoh , M. Iwasaki , Y. Iwasaki , W. W. Jacobs , H. B. Jeon , Y. Jin , D. Joffe , T. Julius , G. Karyan , T. Kawasaki , H. Kichimi , C. Kiesling , D. Y. Kim , H. J. Kim , J. B. Kim , S. H. Kim , Y. J. Kim , K. Kinoshita , P. Kodys , S. Korpar , D. Kotchetkov , P. Krizan , R. Kroeger , P. Krokovny , T. Kuhr , R. Kulasiri , T. Kumita , A. Kuzmin , Y. -J. Kwon , K. Lalwani , J. S. Lange , I. S. Lee , S. C. Lee , L. K. Li , Y. Li , L. LiGioi , J. Libby , D. Liventsev , M. Lubej , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , M. Merola , K. Miyabayashi , H. Miyata , R. Mizuk , G. B. Mohanty , H. K. Moon , T. Mori , R. Mussa , E. Nakano , M. Nakao , T. Nanut , K. J. Nath , M. Nayak , M. Niiyama , N. K. Nisar , S. Nishida , S. Ogawa , S. Okuno , P. Pakhlov , G. Pakhlova , B. Pal , S. Pardi , C. W. Park , H. Park , S. Paul , I. Pavelkin , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , V. Popov , M. Ritter , G. Russo , Y. Sakai , S. Sandilya , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , A. J. Schwartz , Y. Seino , M. E. Sevior , V. Shebalin , C. P. Shen , T. -A. Shibata , N. Shimizu , J. -G. Shiu , B. Shwartz , A. Sokolov , E. Solovieva , M. Staric , J. F. Strube , M. Sumihama , T. Sumiyoshi , K. Suzuki , M. Takizawa , U. Tamponi , K. Tanida , F. Tenchini , M. Uchida , T. Uglov , Y. Unno , S. Uno , Y. Usov , G. Varner , V. Vorobyev , A. Vossen , E. Waheed , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , Y. Watanabe , E. Widmann , E. Won , H. Ye , C. Z. Yuan , Y. Yusa , S. Zakharov , Z. P. Zhang , V. Zhilich , V. Zhukova , V. Zhulanov , A. Zupanc

The results of an analysis are presented of some recent data on the reactions $e^+e^-\to\pi^+\pi^-\pi^+\pi^-$, $e^+e^-\to\pi^+\pi^-\pi^0\pi^0$ with the subtracted $\omega\pi^0$ events, $e^+e^-\to\omega\pi^0$, $e^+e^-\to\eta \pi^+\pi^-$,…

High Energy Physics - Phenomenology · Physics 2008-11-26 N. N. Achasov , A. A. Kozhevnikov

Using 226 million $B\bar{B}$ events recorded on the $\Upsilon(4S)$ resonance with the BABAR detector at the SLAC $e^+e^-$ storage rings PEPII, we reconstruct $B^-\to D^{*0} e^-\bar\nu_e$ decays using the decay chain $D^{*0}\to{}D^0{}\pi^0$…

High Energy Physics - Experiment · Physics 2007-07-19 The BABAR Collaboration , B. Aubert

We present preliminary measurements of direct and indirect CP-violating asymmetries in the decays of neutral B mesons to pi+pi-pi0 and K+-pi-+pi0 final states dominated by the rho+- resonance, using a time-dependent maximum likelihood…

High Energy Physics - Experiment · Physics 2007-05-23 B. Aubert

The experimental data from 2m propane bubble chamber have been analyzed to search for scalar meson $\kappa(800)$ in a $K^0_s\pi$ decay mode for the reaction p+$C_3H_8$ at 10 GeV/c. The $K^0_s\pi^-$ invariant mass spectrum has shown resonant…

High Energy Physics - Experiment · Physics 2007-05-23 P. Zh. Aslanyan

We present the recent measurements of the B0 -> eta' K0 and the B -> omega K decay modes based on the full data set of 772x10^6 BBbar pairs collected by the Belle detector at the KEKB e+e- collider. In the B0 -> eta' K^{0} mode, we obtain…

High Energy Physics - Experiment · Physics 2014-12-16 V. Chobanova

We report evidence for the decay modes X(3872) --> gamma J/psi and X(3872)--> pi+pi-pi0 J/psip. In the latter, the pi+pi-pi0 invariant mass distribution has a strong peak between 750 MeV and the kinematic limit of 775 MeV, suggesting that…

High Energy Physics - Experiment · Physics 2019-08-14 K. Abe

The recent experimental data obtained by the OBELIX group on total $\bar{p}p$ annihilation cross section are analysed; the low energy spin averaged parameters of the $\bar{p}p$ scattering amplitude (the imaginary parts of the S-wave…

Nuclear Theory · Physics 2009-10-31 J. Carbonell , K. V. Protasov , A. Zenoni

A search for the exclusive radiative decays B --> rho(770) gamma and B0 --> omega(782) gamma is performed on a sample of about 84\times 10^{6} B\bar B events collected by the BaBar detector at the PEP-II asymmetric-energy e+e- storage ring.…

High Energy Physics - Experiment · Physics 2008-11-26 B. Aubert

The strong decays of the $\pi(2070)$, $\eta(2010)$, $\eta(2100)$, $\eta(2190)$, and $\eta(2225)$ as the $4 ^1S_0$ quark-antiquark states are investigated in the framework of the $^3P_0$ meson decay model. It is found that the $\pi(2070)$,…

High Energy Physics - Phenomenology · Physics 2008-12-18 De-Min Li , Shan Zhou

We search for the decays B0->rho0rho0, B0->rho0f0, and B0->f0f0 in a sample of about 384 million Upsilon(4S)->BBbar decays collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider at SLAC. We find evidence for…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert

I report recent results on hidden charm spectroscopy from Belle. These include: observation of a near-threshold enhancement in the omega-J/psi invariant mass distribution for exclusive B-->K omega J/psi decays; evidence for the decay…

High Energy Physics - Experiment · Physics 2010-02-18 Stephen L. Olsen

We present a preliminary measurement of the ratio of $D^0$ decay rates into $K^0_L \pi^0$ and $K^0_S \pi^0$ final states. This ratio can be used to disentangle the Cabibbo favored $D^0 \to \bar{K}^0\pi^0$ and doubly Cabibbo suppressed $D^0…

High Energy Physics - Experiment · Physics 2007-05-23 K. Abe