Journal article icon

Journal article

Search for the decay upsilon(1S) --> gammaeta(').

Abstract:

We report on a search for the radiative decay Upsilon(1S)-->gammaeta(') in 61.3 pb(-1) of data taken with the CLEO II detector at the Cornell Electron Storage Ring. Three decay chains were investigated, all involving eta(')-->pi(+)pi(-)eta, followed by eta-->gammagamma, eta-->pi(0)pi(0)pi(0), or eta-->pi(+)pi(-)pi(0). We find no candidate events in any of the three cases and set a combined upper limit of 1.6x10(-5) at 90% C.L., significantly smaller than the previous limit. We ...

Expand abstract

Actions


Access Document


Authors


Richichi, SJ More by this author
Severini, H More by this author
Dytman, SA More by this author
Savinov, V More by this author
Expand authors...
Journal:
Physical review letters
Volume:
87
Issue:
14
Pages:
141801
Publication date:
2001-10-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:faba3708-7315-48c1-a07a-cab75e446f5b
Source identifiers:
14371
Local pid:
pubs:14371
Language:
English

Terms of use


Metrics



If you are the owner of this record, you can report an update to it here: Report update to this record

TO TOP