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Type: Artigo de periódico
Title: Measurement of the decay K (L)-> pi(0)e(+)e(-)gamma
Author: Abouzaid, E
Arenton, M
Barker, AR
Bellantoni, L
Blucher, E
Bock, GJ
Cheu, E
Coleman, R
Cox, B
Erwin, AR
Escobar, CO
Glazov, A
Golossanov, A
Gomes, RA
Gouffon, P
Hsiung, YB
Jensen, DA
Kessler, R
Kim, YJ
Kotera, K
Ledovskoy, A
McBride, PL
Monnier, E
Nelson, KS
Nguyen, H
Niclasen, R
Phillips, DG
Ping, H
Ramberg, EJ
Ray, RE
Ronquest, M
Santos, E
Slater, W
Smith, D
Solomey, N
Swallow, EC
Toale, PA
Tschirhart, R
Velissaris, C
Wah, YW
Wang, J
White, HB
Whitmore, J
Wilking, MJ
Winston, R
Worcester, ET
Worcester, M
Yamanaka, T
Zimmerman, ED
Zukanovich, RF
Abstract: We report on a new measurement of the branching ratio B(K-L ->pi(0)e(+)e(-)gamma) using the KTeV detector. This analysis uses the full KTeV data set collected from 1997 to 2000. We reconstruct 139 events over a background of 14, which results in B(K-L ->pi(0)e(+)e(-)gamma)=(1.62 +/- 0.14(stat)+/- 0.09(syst))x10(-8). This result supersedes the earlier KTeV measurement of this branching ratio.
Country: EUA
Editor: Amer Physical Soc
Citation: Physical Review D. Amer Physical Soc, v. 76, n. 5, 2007.
Rights: aberto
Identifier DOI: 10.1103/PhysRevD.76.052001
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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