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Related papers: The processes $e^{+}e^{-} \to \pi\pi(\pi')$ in the…

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The processes $e^{+}e^{-} \rightarrow K^{\pm} K^{*\mp}(892)$ and $e^{+}e^{-} \rightarrow \eta \phi(1020)$ are calculated in the framework of the extended Nambu-Jona-Lasinio model. The intermediate vector mesons $\rho(770), \omega(782),…

High Energy Physics - Phenomenology · Physics 2016-10-12 M. K. Volkov , A. A. Pivovarov

The cross section for different processes induced by $e^+e^-$ annihilation, in the kinematical limit $\beta_{\mu}\approx\beta_{\pi}=(1-m_{\pi}^2/\epsilon^2)^{1/2}\sim 1$, is calculated taking into account first order corrections to the…

High Energy Physics - Phenomenology · Physics 2008-12-25 E. A. Kuraev , A. I. Ahmadov , S. N. Panov , E. Tomasi-Gustafsson

The decay widths of $\rho' \to \pi\pi, \omega\pi, \rho\eta$, $\omega' \to \rho\pi, \omega\eta$ and $\pi' \to \rho\pi$ are recalculated within the extended NJL quark model. It is shown that the mass of $\rho'(1450)$ meson in the derived in…

High Energy Physics - Phenomenology · Physics 2023-12-01 M. K. Volkov , A. B. Arbuzov , A. A. Pivovarov , K. Nurlan

The $e^+e^- \to \pi^+ \pi^- \pi^0 \chi_{bJ}$ ($J=0,~1,~2$) processes are studied using a 118~fb$^{-1}$ data sample collected at a center-of-mass energy of 10.867 GeV, in the $\Upsilon(10860)$ energy range, with the Belle detector. The…

High Energy Physics - Experiment · Physics 2014-10-02 Belle Collaboration , X. H. He , C. P. Shen , C. Z. Yuan , Y. Ban , A. Abdesselam , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , R. Ayad , S. Bahinipati , A. M. Bakich , V. Bansal , B. Bhuyan , A. Bondar , G. Bonvicini , A. Bozek , T. E. Browder , D. Červenkov , P. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , V. Chobanova , S. -K. Choi , Y. Choi , D. Cinabro , J. Dalseno , M. Danilov , Z. Doležal , Z. Drásal , A. Drutskoy , S. Eidelman , H. Farhat , J. E. Fast , T. Ferber , V. Gaur , N. Gabyshev , S. Ganguly , A. Garmash , R. Gillard , R. Glattauer , Y. M. Goh , O. Grzymkowska , J. Haba , K. Hayasaka , H. Hayashii , W. -S. Hou , T. Iijima , A. Ishikawa , R. Itoh , Y. Iwasaki , I. Jaegle , K. K. Joo , T. Julius , E. Kato , T. Kawasaki , D. Y. Kim , M. J. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , T. Kumita , Y. -J. Kwon , Y. Li , J. Libby , D. Liventsev , D. Matvienko , H. Miyata , R. Mizuk , G. B. Mohanty , A. Moll , R. Mussa , E. Nakano , M. Nakao , T. Nanut , Z. Natkaniec , E. Nedelkovska , N. K. Nisar , S. Nishida , S. Ogawa , S. Okuno , P. Pakhlov , G. Pakhlova , H. Park , T. K. Pedlar , R. Pestotnik , M. Petrič , L. E. Piilonen , M. Ritter , A. Rostomyan , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , Y. Sato , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , D. Semmler , K. Senyo , M. E. Sevior , V. Shebalin , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , Y. -S. Sohn , A. Sokolov , E. Solovieva , M. Starič , M. Steder , K. Sumisawa , T. Sumiyoshi , U. Tamponi , K. Tanida , G. Tatishvili , Y. Teramoto , F. Thorne , K. Trabelsi , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , P. Urquijo , S. E. Vahsen , C. Van Hulse , P. Vanhoefer , G. Varner , A. Vinokurova , V. Vorobyev , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , M. Watanabe , Y. Watanabe , S. Wehle , K. M. Williams , E. Won , J. Yamaoka , S. Yashchenko , Y. Yook , Y. Yusa , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

The cross section of the process $e^+e^- \to K_S^0 K^{\pm}\pi^{\mp}\pi^+\pi^-$ has been measured for the first time using a data sample of 185.4 pb$^{-1}$ collected with the CMD-3 detector at the VEPP-2000 $e^+e^-$ collider. With the…

High Energy Physics - Experiment · Physics 2022-12-07 3 Collaboration

Very recently, the {\it BABAR} Collaboration indicated that there exist an explicit enhancement structure near 2.2 GeV when focusing on the $e^+e^-\to\pi^+\pi^-$ process again, which inspires our interest in studying the production of…

High Energy Physics - Phenomenology · Physics 2020-09-01 Li-Ming Wang , Jun-Zhang Wang , Xiang Liu

First results of the study of the process e+e- \to 4\pi by the CMD-2 collaboration at VEPP-2M are presented for the energy range 1.05--1.38 GeV. Using an integrated luminosity of 5.8 pb^{-1}, energy dependence of the processes e+e- \to…

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

The cross section of the process $e^+e^- \to 3(\pi^+\pi^-)\pi^0$ has been measured for the first time using a data sample of 56.7 pb$^{-1}$ collected with the CMD-3 detector at the VEPP-2000 $e^+e^-$ collider. 632$\pm$32 signal events have…

High Energy Physics - Experiment · Physics 2019-05-14 3 Collaboration

The cross section of the $e^+e^-\to\omega\pi^0\to\pi^0\pi^0\gamma$ reaction was measured by the SND detector at VEPP-2M $e^+e^-$ collider in the energy range from threshold up to 1.4 GeV. Results of the cross section fitting by the sum of…

The cross section of the process $e^+e^- \to K_S^0 K_S^0\pi^+\pi^-$ has been measured using a data sample of 56.7 pb$^{-1}$ collected with the CMD-3 detector at the VEPP-2000 $e^+e^-$ collider. 596$\pm$27 and 210$\pm$18 signal events have…

High Energy Physics - Experiment · Physics 2020-04-01 3 Collaboration

The widths of the decays $\rho^{-}\to\eta\pi^{-}$ and $\tau^{-}\to\eta(\eta')\pi^{-}\nu$ are calculated in the framework of the NJL model. It is shown that these decays are defined by the $u$ and $d$ quark mass difference. It leads to the…

High Energy Physics - Phenomenology · Physics 2013-05-30 M. K. Volkov , D. G. Kostunin

We report searches for the processes $e^+e^-\to\pi^+\pi^-\pi^0\chi_{bJ}$ and $e^+e^-\to\phi\chi_{bJ}$ (J=1,2) based on data samples collected by the Belle experiment at the KEKB collider. We report the first observation of the process…

High Energy Physics - Experiment · Physics 2019-04-30 J. H. Yin , C. Z. Yuan , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , V. Aulchenko , T. Aushev , R. Ayad , V. Babu , I. Badhrees , S. Bahinipati , A. M. Bakich , V. Bansal , P. Behera , C. Beleno , B. Bhuyan , T. Bilka , J. Biswal , A. Bobrov , A. Bozek , M. Bracko , T. E. Browder , L. Cao , D. Cervenkov , P. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , K. Cho , S. -K. Choi , Y. Choi , S. Choudhury , D. Cinabro , S. Cunliffe , N. Dash , S. Di Carlo , J. Dingfelder , Z. Dolezal , T. V. Dong , Z. Drasal , S. Eidelman , D. Epifanov , J. E. Fast , T. Ferber , B. G. Fulsom , R. Garg , V. Gaur , N. Gabyshev , A. Garmash , M. Gelb , A. Giri , P. Goldenzweig , B. Golob , J. Haba , K. Hayasaka , H. Hayashii , S. Hirose , W. -S. Hou , T. Iijima , K. Inami , G. Inguglia , A. Ishikawa , R. Itoh , M. Iwasaki , Y. Iwasaki , W. W. Jacobs , I. Jaegle , H. B. Jeon , S. Jia , Y. Jin , D. Joffe , K. K. Joo , T. Julius , K. H. Kang , T. Kawasaki , C. Kiesling , D. Y. Kim , J. B. Kim , K. T. Kim , S. H. Kim , K. Kinoshita , P. Kodys , S. Korpar , D. Kotchetkov , P. Krizan , R. Kroeger , P. Krokovny , T. Kuhr , R. Kulasiri , Y. -J. Kwon , J. S. Lange , I. S. Lee , S. C. Lee , L. K. Li , Y. B. Li , L. Li Gioi , J. Libby , D. Liventsev , M. Lubej , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , M. Merola , H. Miyata , R. Mizuk , G. B. Mohanty , H. K. Moon , T. Mori , R. Mussa , E. Nakano , T. Nanut , K. J. Nath , Z. Natkaniec , M. Nayak , M. Niiyama , N. K. Nisar , S. Nishida , K. Nishimura , K. Ogawa , S. Ogawa , H. Ono , P. Pakhlov , G. Pakhlova , B. Pal , S. Pardi , H. Park , S. Paul , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , V. Popov , E. Prencipe , A. Rostomyan , G. Russo , D. Sahoo , Y. Sakai , M. Salehi , S. Sandilya , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , Y. Seino , K. Senyo , O. Seon , M. E. Sevior , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , F. Simon , A. Sokolov , E. Solovieva , M. Staric , T. Sumiyoshi , W. Sutcliffe , M. Takizawa , U. Tamponi , K. Tanida , F. Tenchini , M. Uchida , T. Uglov , Y. Unno , S. Uno , P. Urquijo , C. Van Hulse , R. Van Tonder , G. Varner , A. Vinokurova , V. Vorobyev , B. Wang , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , S. Watanuki , E. Widmann , E. Won , H. Yamamoto , H. Ye , Y. Yusa , Z. P. Zhang , V. Zhilich , V. Zhukova , V. Zhulanov

The cross section of the process $e^+e^-\to\pi^+\pi^-$ has been measured in the center of mass energy range from 0.32 to 1.2 GeV with the CMD-3 detector at the electron-positron collider VEPP-2000. The measurement is based on a full dataset…

The process $e^+e^- \to \pi^0\gamma$ has been studied in the experiment with the SND detector at the VEPP-2M $e^+e^-$ collider. The $e^+e^- \to \pi^0\gamma$ cross section has been measured in the center-of-mass energy range from 0.60 to…