Observation of Ds+K0K+ and Ds+K0K+ and an upper limit on Ds+K0+
(70)
Adler, J
a,b,c,d,e,f
Bai, Z
a,b,c,d,e,f
Becker, J J
a,b,c,d,e,f
Blaylock, G T
a,b,c,d,e,f
Bolton, T
a,b,c,d,e,f
Brient, J C
a,b,c,d,e,f
Brown, J S
a,b,c,d,e,f
Bunnell, K O
a,b,c,d,e,f
Burchell, M
a,b,c,d,e,f
Burnett, T H
a,b,c,d,e,f
Cassell, R E
a,b,c,d,e,f
Coffman, D
a,b,c,d,e,f
Cook, V
a,b,c,d,e,f
Coward, D H
a,b,c,d,e,f
DeJongh, F
a,b,c,d,e,f
Dorfan, D E
a,b,c,d,e,f
Drinkard, J
a,b,c,d,e,f
Dubois, G P
a,b,c,d,e,f
Eigen, G
a,b,c,d,e,f
Einsweiler, K F
a,b,c,d,e,f
Eisenstein, B I
a,b,c,d,e,f
Freese, T
a,b,c,d,e,f
Gatto, C
a,b,c,d,e,f
Gladding, G
a,b,c,d,e,f
Grab, C
a,b,c,d,e,f
Hamilton, R P
a,b,c,d,e,f
Hauser, J
a,b,c,d,e,f
Heusch, C A
a,b,c,d,e,f
Hitlin, D G
a,b,c,d,e,f
Izen, J M
a,b,c,d,e,f
Kim, P C
a,b,c,d,e,f
Kopke L
a,b,c,d,e,f
Labs, J
a,b,c,d,e,f
Li, A
a,b,c,d,e,f
Lockman, W S
a,b,c,d,e,f
Mallik, U
a,b,c,d,e,f
Matthews, C G
a,b,c,d,e,f
Mincer, A I
a,b,c,d,e,f
Mir, R
a,b,c,d,e,f
Mockett, P M
a,b,c,d,e,f
Nemati, B
a,b,c,d,e,f
Odian, A
a,b,c,d,e,f
Parrish, L
a,b,c,d,e,f
Partridge, R
a,b,c,d,e,f
Pitman, D
a,b,c,d,e,f
Plaetzer, S A
a,b,c,d,e,f
Richman, J D
a,b,c,d,e,f
Roco, M
a,b,c,d,e,f
Sadrozinski, H F W
a,b,c,d,e,f
Scarlatella, M
a,b,c,d,e,f
Schalk, T L
a,b,c,d,e,f
Schindler, R H
a,b,c,d,e,f
Seiden, A
a,b,c,d,e,f
Simopoulos, C
a,b,c,d,e,f
Spadafora, A L
a,b,c,d,e,f
Stockdale, I E
a,b,c,d,e,f
Stockhausen, W
a,b,c,d,e,f
Toki, W
a,b,c,d,e,f
Tripsas, B
a,b,c,d,e,f
Villa, F
a,b,c,d,e,f
Wang, M Z
a,b,c,d,e,f
Wasserbaech, S
a,b,c,d,e,f
Wattenberg, A
a,b,c,d,e,f
Weinstein, A J
a,b,c,d,e,f
Weseler, S
a,b,c,d,e,f
Willutzki, H J
a,b,c,d,e,f
Wisinski, D
a,b,c,d,e,f
Wisniewski, W J
a,b,c,d,e,f
Xu, R
a,b,c,d,e,f
Zhu, Y
a,b,c,d,e,f
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84927418635
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Revised values of a1= 1.2 and a2= -0.5 are taken from B. Stech, Heidelberg University Report No. HD-THEP-87-18, 1987 (unpublished).
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14
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84927418634
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We adopt the convention that reference to a state also implies reference to its charge conjugate.
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17
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84927418632
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Kaon candidates are required to have a usable TOF measurement t, with | t - tK| / σK< | t - tπ| / σpi, where tpi and tK are the predicted pi and K times and σπ, σK are the uncertainties on the time differences. The TOF system provides pi-K separation of > 2 sigma over the relevant range of K+- momenta (p < 1.1 GeV/c). All tracks are accepted as pion candidates, except when the measured TOF is inconsistent with the pi hypothesis. Further background rejection is obtained from dE/dx measurements for pion candidates not having TOF information.
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18
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84927418630
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A Dsstar mass of 2.109 GeV/c2 is used (Ref. 12).
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25
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84927418621
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The pion not from the KS0 decay is required to have TOF identification analogous to the kaons in Ref. 13.
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31
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84927418618
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45, 478 (1987);
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32
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84927418617
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45, 841 (1987);
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33
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0347062904
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[
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45, 135
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46, 1310 (1987) [Sov. J. Nucl. Phys. 45, 135 (1987)
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(1987)
Sov. J. Nucl. Phys.
, vol.46
, pp. 1310
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34
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84927418616
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45, 301 (1987);
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35
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84927418615
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45, 522 (1987);
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36
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84927418614
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46, 767 (1987)].
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39
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84927418612
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The predictions are derived with δ π K = 100 °. The parameter p in this calculation is constrained by our limit to values < 0.5.
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40
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84927418610
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Although the model 1 predictions shown do not include final-state interactions, it is interesting to note that better agreement with the data is achieved for the ratios shown in Table I by using | a1/ a2| app 1.8. The uncertainty in this ratio is 25% (Ref. 9), so this represents a 1 sigma deviation from the nominal value of | a1/ a2| = 2.4.
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