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Related papers: Studies of Exclusive e+e- -> hadrons Reactions wit…

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We present a review of BaBar results on e+e- annihilations into exclusive hadronic final states using the initial state radiation technique. Cross sections over the sqrt{s} range from threshold to 4.5 GeV, with very small point-to-point…

High Energy Physics - Experiment · Physics 2016-12-07 V. Druzhinin

We present preliminary BaBar measurements of hadronic cross sections in $e^+e^-$ annihilation using the radiative return technique. The cross sections for $e^+e^- \to p\bar{p} $, $ 3(\pi^+\pi^-)$, $ 2(\pi^+\pi^-)2\pi^0$, and $…

High Energy Physics - Experiment · Physics 2009-11-11 Nicolas Berger

The measurement of exclusive $e^+e^-$ to hadrons processes is a significant part of the physics program of $BABAR$ experiment, aimed to improve the calculation of the hadronic contribution to the muon $g-2$ and to study the intermediate…

High Energy Physics - Experiment · Physics 2021-04-13 Denis Bernard

We study the processes $e^+ e^-\to K^0_S K^0_L\pi^0\gamma$, $K^0_S K^0_L\eta\gamma$, and $K^0_S K^0_L\pi^0\pi^0\gamma$, where the photon is radiated from the initial state, providing cross section measurements for the hadronic final states…

High Energy Physics - Experiment · Physics 2017-03-15 The BABAR Collaboration

A method of measuring e+e- annihilation cross sections at low energy sqrt{s}< 5 GeV, using initial-state radiation, is described. Experimental data from the PEP-II B-factory at 10.6 GeV center-of-mass energy, obtained via ISR, are…

High Energy Physics - Experiment · Physics 2009-11-03 S. I. Serednyakov

By analyzing the data sets of 17.3 pb$^{-1}$ taken at $\sqrt s= 3.773$ GeV and of 6.5 pb$^{-1}$ taken at $\sqrt s= 3.650$ GeV with the BES-II detector at the BEPC collider, we measure the observed cross sections for the exclusive light…

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

A precise measurement of the cross section for the process e+e- --> K+K-(gamma) from threshold to an energy of 5 GeV is obtained with the initial-state radiation (ISR) method using 232 fb^{-1} of data collected with the BaBar detector at…

High Energy Physics - Experiment · Physics 2013-09-04 The BaBar Collaboration , J. P. Lees , others

We study the processes $e^+ e^-\to K^+ K^- \pi^+\pi^-\gamma$, $K^+K^-\pi^0\pi^0\gamma$ and $K^+ K^- K^+ K^-\gamma$, where the photon is radiated from the initial state. About 34600, 4400 and 2300 fully reconstructed events, respectively,…

High Energy Physics - Experiment · Physics 2010-04-12 The BABAR Collaboration , B. Aubert

The BaBar Collaboration has an intensive program studying the cross sections of hadron production in low-energy e+e- annihilation, accessible via initial-state radiation. Our measurements allow a significant improvement in the precision of…

High Energy Physics - Experiment · Physics 2016-04-28 Denis Bernard , The BaBar Collaboration

Unexpected features of the BaBar data on e+e- in baryon-antibaryon cross sections are discussed. These data have been collected, with unprecedented accuracy, by means of the initial state radiation technique, which is particularly suitable…

High Energy Physics - Phenomenology · Physics 2009-04-17 R. Baldini , S. Pacetti , A. Zallo , A. Zichichi

The BaBar Collaboration has an intensive program of studying hadronic cross sections at low-energy $e^+e^-$ collisions, accessible via initial-state radiation. Our measurements allow significant improvements in the precision of the…

High Energy Physics - Experiment · Physics 2014-02-05 Denis Bernard

The BaBar collaboration has an extensive program of studying hadronic cross sections in low-energy e+e- collisions, accessible via initial-state radiation. Our measurements allow significant improvements in the precision of the predicted…

High Energy Physics - Experiment · Physics 2013-10-15 Frank C. Porter

We study the processes $e^+ e^-\to K_S^0 K_L^0 \gamma$, $K_S^0 K_L^0 \pi^+\pi^-\gamma$, $K_S^0 K_S^0 \pi^+\pi^-\gamma$, and $K_S^0 K_S^0 K^+K^-\gamma$, where the photon is radiated from the initial state, providing cross section…

High Energy Physics - Experiment · Physics 2014-05-14 The BABAR Collaboration , J. P. Lees

We study the processes e+e- --> K+ K- pi+pi-gamma, K+ K- pi0pi0gamma, and K+ K- K+ K-gamma, where the photon is radiated from the initial state. About 84000, 8000, and 4200 fully reconstructed events, respectively, are selected from 454…

High Energy Physics - Experiment · Physics 2015-03-19 The BABAR Collaboration , J. P. Lees

We study the processes $e^+ e^-\to 2(\pi^+\pi^-)\pi^0\gamma$, $2(\pi^+\pi^-)\eta\gamma$, $K^+ K^-\pi^+\pi^-\pi^0\gamma$ and $K^+ K^-\pi^+\pi^-\eta\gamma$ with the hard photon radiated from the initial state. About 20000, 4300, 5500 and 375…

High Energy Physics - Experiment · Physics 2014-11-18 The BABAR Collaboration , B. Aubert

We present a summary of the hadronic cross section measurements performed with BaBar at the PEP-II collider via radiative return. BaBar has performed measurements of exclusive final states containing 3, 4 and 6 hadrons via this…

High Energy Physics - Experiment · Physics 2012-08-27 Achim Denig representing the BaBar collaboration

The BABAR collaboration has nearly completed a program of precise measurements of the cross sections for the dominant channels of e+e- --> hadrons from threshold to an energy of 3-5 GeV using the initial-state radiation (ISR) method, i.e.…

High Energy Physics - Experiment · Physics 2015-06-15 Michel Davier

We study the processes e+ e- --> 3(pi+pi-)gamma, 2(pi+pi-pi0)gamma and K+ K- 2(pi+pi-)gamma, with the photon radiated from the initial state. About 20,000, 33,000 and 4,000 fully reconstructed events, respectively, have been selected from…

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

We measured the ratios of electroproduction cross-sections from a proton target for three exclusive meson-baryon final states: $\Lambda K^+$, $p\pi^0$, and $n\pi^+$, with the CLAS detector at Jefferson Lab. Using a simple model of quark…

Nuclear Experiment · Physics 2014-12-10 K. Park , M. D. Mestayer , the CLAS collaboration

The $e^+e^-\to K^+K^-$ cross section and charged-kaon electromagnetic form factor are measured in the $e^+e^-$ center-of-mass energy range ($E$) from 2.6 to 8.0 GeV using the initial-state radiation technique with an undetected photon. The…

High Energy Physics - Experiment · Physics 2015-10-28 The BABAR Collaboration
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