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Title: Observation of the Decay B{sup 0}{yields}J/{psi}{eta}

Abstract

We report the first observation of B{sup 0}{yields}J/{psi}{eta} decay. These results are obtained from a data sample that contains 449x10{sup 6} BB pairs accumulated at the {upsilon}(4S) resonance with the Belle detector at the KEKB asymmetric-energy e{sup +}e{sup -} collider. We observe a signal with a significance of 8.1{sigma} and obtain a branching fraction of (9.5{+-}1.7(stat){+-}0.8(syst))x10{sup -6}.

Authors:
 [1]; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;  [2]
  1. Department of Physics, Fu Jen Catholic University, Taipei, Taiwan (China)
  2. High Energy Accelerator Research Organization (KEK), Tsukuba (Japan) (and others)
Publication Date:
OSTI Identifier:
20951180
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters; Journal Volume: 98; Journal Issue: 13; Other Information: DOI: 10.1103/PhysRevLett.98.131803; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ASYMMETRY; B NEUTRAL MESONS; BRANCHING RATIO; ETA MESONS; J PSI-3097 MESONS; PARTICLE DECAY

Citation Formats

Chang, M.-C., Abe, K., Adachi, I., Gershon, T., Haba, J., Hazumi, M., Itoh, R., Iwasaki, Y., Kichimi, H., Krokovny, P., Limosani, A., Nakamura, I., Nakao, M., Nishida, S., Ozaki, H., Sakai, Y., Sumisawa, K., Tajima, O., Takasaki, F., and Tamai, K. Observation of the Decay B{sup 0}{yields}J/{psi}{eta}. United States: N. p., 2007. Web. doi:10.1103/PHYSREVLETT.98.131803.
Chang, M.-C., Abe, K., Adachi, I., Gershon, T., Haba, J., Hazumi, M., Itoh, R., Iwasaki, Y., Kichimi, H., Krokovny, P., Limosani, A., Nakamura, I., Nakao, M., Nishida, S., Ozaki, H., Sakai, Y., Sumisawa, K., Tajima, O., Takasaki, F., & Tamai, K. Observation of the Decay B{sup 0}{yields}J/{psi}{eta}. United States. doi:10.1103/PHYSREVLETT.98.131803.
Chang, M.-C., Abe, K., Adachi, I., Gershon, T., Haba, J., Hazumi, M., Itoh, R., Iwasaki, Y., Kichimi, H., Krokovny, P., Limosani, A., Nakamura, I., Nakao, M., Nishida, S., Ozaki, H., Sakai, Y., Sumisawa, K., Tajima, O., Takasaki, F., and Tamai, K. Fri . "Observation of the Decay B{sup 0}{yields}J/{psi}{eta}". United States. doi:10.1103/PHYSREVLETT.98.131803.
@article{osti_20951180,
title = {Observation of the Decay B{sup 0}{yields}J/{psi}{eta}},
author = {Chang, M.-C. and Abe, K. and Adachi, I. and Gershon, T. and Haba, J. and Hazumi, M. and Itoh, R. and Iwasaki, Y. and Kichimi, H. and Krokovny, P. and Limosani, A. and Nakamura, I. and Nakao, M. and Nishida, S. and Ozaki, H. and Sakai, Y. and Sumisawa, K. and Tajima, O. and Takasaki, F. and Tamai, K.},
abstractNote = {We report the first observation of B{sup 0}{yields}J/{psi}{eta} decay. These results are obtained from a data sample that contains 449x10{sup 6} BB pairs accumulated at the {upsilon}(4S) resonance with the Belle detector at the KEKB asymmetric-energy e{sup +}e{sup -} collider. We observe a signal with a significance of 8.1{sigma} and obtain a branching fraction of (9.5{+-}1.7(stat){+-}0.8(syst))x10{sup -6}.},
doi = {10.1103/PHYSREVLETT.98.131803},
journal = {Physical Review Letters},
number = 13,
volume = 98,
place = {United States},
year = {Fri Mar 30 00:00:00 EDT 2007},
month = {Fri Mar 30 00:00:00 EDT 2007}
}