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Cross sections for the reactions $e^+ e^-\to K_S^0 K_L^0$, $K_S^0 K_L^0 \pi^+\pi^-$, $K_S^0 K_S^0 \pi^+\pi^-$, and $K_S^0 K_S^0 K^+K^-$ from events with initial-state radiation

The BaBar collaboration
Phys.Rev.D 89 (2014) 092002, 2014.

Abstract (data abstract)
SLAC-PEP2. We study the processes E+ E- --> KS KL GAMMA, KS KL PI+ PI- GAMMA, KS KS PI+ PI- GAMMA, and KS KS K+ K- GAMMA, where the photon is radiated from the initial state, providing cross section measurements for the hadronic states over a continuum of center-of-mass energies. The results are based on 469 inverse femtobarns of data collected with the BaBar detector at SLAC. We observe the PHI(1020) resonance in the KS KL final state and measure the product of its electronic width and branching fraction with about 3% uncertainty. We present a measurement of the E+ E- --> KS KL cross section in the energy range from 1.06 to 2.2 GeV and observe the production of a resonance at 1.67 GeV. We present the first measurements of the E+ E- --> KS KL PI+ PI-, KS KS PI+ PI-, and KS KS K+ K- cross sections, and study the intermediate resonance structures. We obtain the first observations of J/PSI decay to the KS KL PI+ PI-, KS KS PI+ PI-, and KS KS K+ K- final states.

  • Table 1

    Data from Page 11

    10.17182/hepdata.64506.v1/t1

    Cross section measurement for PHI(1020).

  • Table 2

    Data from Page 11

    10.17182/hepdata.64506.v1/t2

    Mass measurement for PHI(1020).

  • Table 3

    Data from Page 11

    10.17182/hepdata.64506.v1/t3

    Measurement of the PHI(1020) width.

  • Table 4

    Data from Page 12

    10.17182/hepdata.64506.v1/t4

    The product of the electronic width of the PHI(1020) and its branching fraction to KS KL.

  • Table 5

    Data from Page 14

    10.17182/hepdata.64506.v1/t5

    Cross section measurement for PHI(1680).

  • Table 6

    Data from Page 14

    10.17182/hepdata.64506.v1/t6

    Mass measurement for PHI(1680).

  • Table 7

    Data from Page 141

    10.17182/hepdata.64506.v1/t7

    Measurement of the PHI(1680) width.

  • Table 8

    Data from Page 16

    10.17182/hepdata.64506.v1/t8

    The product of the electronic width of the PHI(1680) and its branching fraction to KS KL.

  • Table 9

    Data from Table 2

    10.17182/hepdata.64506.v1/t9

    The measured E+ E- --> KS KL cross section as a function of the centre-of-mass energy.

  • Table 10

    Data from Table 3

    10.17182/hepdata.64506.v1/t10

    The measured E+ E- --> KS KL PI+ PI- cross section as a function of the centre-of-mass energy.

  • Table 11

    Data from Table 4

    10.17182/hepdata.64506.v1/t11

    The measured E+ E- --> KS KS PI+ PI- cross section as a function of the centre-of-mass energy.

  • Table 12

    Data from Table 5

    10.17182/hepdata.64506.v1/t12

    The measured E+ E- --> KS KS K+ K- cross section as a function of the centre-of-mass energy.

  • Table 13

    Data from Table 6

    10.17182/hepdata.64506.v1/t13

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> KS KL PI+ PI-) and the J/PSI branching fraction.

  • Table 14

    Data from Table 6

    10.17182/hepdata.64506.v1/t14

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> KS KS PI+ PI-) and the J/PSI branching fraction.

  • Table 15

    Data from Table 6

    10.17182/hepdata.64506.v1/t15

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> KS KS K+ K-) and the J/PSI branching fraction.

  • Table 16

    Data from Table 6

    10.17182/hepdata.64506.v1/t16

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> K*(892) KS PI) * BR(K*(892) --> KS PI) and the J/PSI...

  • Table 17

    Data from Table 6

    10.17182/hepdata.64506.v1/t17

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> K2*(1430) KS PI) * BR(K2*(1430) --> KS PI) and the J/PSI...

  • Table 18

    Data from Table 6

    10.17182/hepdata.64506.v1/t18

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> K*(892)+ K*(892)-) * (BR(K*(892) --> KS PI))**2 and the 90% C.L....

  • Table 19

    Data from Table 6

    10.17182/hepdata.64506.v1/t19

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> K2*(1430) K*(892)) * BR(K2*(1430) --> KS PI) * BR(K*(892) --> KS...

  • Table 20

    Data from Table 6

    10.17182/hepdata.64506.v1/t20

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> KS KS PHI(1020)) * BR(PHI --> K+ K-) and the J/PSI...

  • Table 21

    Data from Table 6

    10.17182/hepdata.64506.v1/t21

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> F2PRIME(1525) PHI(1020)) * BR(PHI --> K+ K-} * BR(F2PRIME(1525) --> KS...

  • Table 22

    Data from Table 6

    10.17182/hepdata.64506.v1/t22

    The product WIDTH(E+ E- --> J/PSI) * BR(J/PSI --> F2PRIME(1525) K+ K-) * BR(F2PRIME(1525) --> KS KS) and the J/PSI...

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