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FITCH 1965B

Fitch, V.L.; Roth, R.F.; Russ, J.S.; Vernon, W.;
Evidence for Constructive Interference Between Coherently Regenerated and CP-nonconserving Amplitudes
Phys. Rev. Lett. 15 (1965) 73;

Motivation
We report here some preliminary results from an experiment designed to measure the phase of the CP-nonconserving component in a long-lived neutral K-meson beam. While the results are preliminary in that only a small fraction of the total data have been analyzed, we believe the main conclusion drawn at this time is clear. (Extracted from the introductory part of the paper.).

Accelerator BNL Detectors SPEC

Related references
Analyse data from
T. Fujii et al., Phys. Rev. Lett. 13 (1964) 253;
J. H. Christenson, J. W. Cronin, V. L. Fitch, and R. Turlay, Phys. Rev. Lett. 13 (1964) 138;

Reactions

	p Be neutral X	28 GeV (Tlab)	angp
	KL Be Be KS		angp, amp
	KS π+ π–	1.25-1.85 GeV (Plab)	amp
	KL π+ π–	1.25-1.85 GeV (Plab)	amp

Particles studied

	KL	mass, qn, dec
	KS	mass, qn, dec

Record comments
Confirmation of K_L → K_S regeneration phenomenon.

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