New measurement of BR(D+ ---> rho0 mu+ nu) / BR(D+ ---> anti-K*0 mu+ nu) branching ratio
Journal Article
·
· Phys.Lett.B637:32-38,2006
OSTI ID:879001
Using data collected by the FOCUS experiment at Fermilab, the authors present a new measurement of the charm semileptonic branching ratio BR(D{sup +} {yields} {rho}{sup 0}{mu}{sup +}{nu})/BR(D{sup +}{yields}{bar K}*{sup 0} {mu}{sup +}{nu}). From a sample of 320 {+-} 44 and 11,372 {+-} 161 D{sup +} {yields} {rho}{sup 0}{mu}{sup +}{nu} and D{sup +} {yields} K{sup -}{pi}{sup +}{mu}{sup +}{nu} events respectively, they find BR(D{sup +} {yields} {rho}{sup 0}{mu}{sup +}{nu})/BR(D{sup +}{yields}{bar K}*{sup 0} {mu}{sup +}{nu}) = 0.041 {+-} 0.006(stat) {+-} 0.004(syst).
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 879001
- Report Number(s):
- FERMILAB-PUB-05-502-E; arXiv eprint number hep-ex/0511022; TRN: US0700896
- Journal Information:
- Phys.Lett.B637:32-38,2006, Journal Name: Phys.Lett.B637:32-38,2006
- Country of Publication:
- United States
- Language:
- English
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