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Title: First Observation of B+ to rho+ K0 and Measurement of its Branching Fraction and Charge Asymmetry

Abstract

We present the first observation of the decay B{sup +} {yields} {rho}{sup +}K{sup 0}, using a data sample of 348 fb{sup -1} collected at the {Upsilon}(4S) resonance with the BABAR detector. The branching fraction and charge asymmetry are measured to be (8.0{sub -1.3}{sup +1.4} {+-} 0.5) x 10{sup -6} and (-12.2 {+-} 16.6 {+-} 2.0)%, respectively, where the first uncertainty is statistical and the second is systematic. The significance of the observed branching fraction, including systematic uncertainties, is 7.9 standard deviations.

Authors:
Publication Date:
Research Org.:
Stanford Linear Accelerator Center (SLAC)
Sponsoring Org.:
USDOE
OSTI Identifier:
900603
Report Number(s):
SLAC-PUB-12210
Journal ID: ISSN 0031-9007; PRLTAO; hep-ex/0702043; TRN: US0702297
DOE Contract Number:
AC02-76SF00515
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ASYMMETRY; PARTICLE DECAY; BRANCHING RATIO; B PLUS MESONS; KAONS NEUTRAL; VECTOR MESONS; DATA; Experiment-HEP,HEPEX

Citation Formats

Aubert, B. First Observation of B+ to rho+ K0 and Measurement of its Branching Fraction and Charge Asymmetry. United States: N. p., 2007. Web.
Aubert, B. First Observation of B+ to rho+ K0 and Measurement of its Branching Fraction and Charge Asymmetry. United States.
Aubert, B. Tue . "First Observation of B+ to rho+ K0 and Measurement of its Branching Fraction and Charge Asymmetry". United States. doi:. https://www.osti.gov/servlets/purl/900603.
@article{osti_900603,
title = {First Observation of B+ to rho+ K0 and Measurement of its Branching Fraction and Charge Asymmetry},
author = {Aubert, B.},
abstractNote = {We present the first observation of the decay B{sup +} {yields} {rho}{sup +}K{sup 0}, using a data sample of 348 fb{sup -1} collected at the {Upsilon}(4S) resonance with the BABAR detector. The branching fraction and charge asymmetry are measured to be (8.0{sub -1.3}{sup +1.4} {+-} 0.5) x 10{sup -6} and (-12.2 {+-} 16.6 {+-} 2.0)%, respectively, where the first uncertainty is statistical and the second is systematic. The significance of the observed branching fraction, including systematic uncertainties, is 7.9 standard deviations.},
doi = {},
journal = {Physical Review Letters},
number = ,
volume = ,
place = {United States},
year = {Tue Mar 06 00:00:00 EST 2007},
month = {Tue Mar 06 00:00:00 EST 2007}
}