| 1 |
|
High tau identification performance is important for the discovery potential of |
| 2 |
< |
many potential new physics signals at the Compact Muon Solenoid (CMS). Events |
| 3 |
< |
with tau leptons are typically signal events; the Standard Model background |
| 4 |
< |
rates with true tau leptons are typically the same order of magnitude as the |
| 5 |
< |
expected signal rate in many searches for new physics. The challenge of doing physics with |
| 6 |
< |
taus is dominated by the rate at which objects are incorrectly tagged as taus. |
| 7 |
< |
In paticular, quark and gluon jets have a significantly higher production |
| 8 |
< |
cross-section and events where these objects are incorrectly identified as tau |
| 9 |
< |
leptons can dominate the backgrounds of searches for new physics using taus. |
| 10 |
< |
Efficient identification of hadronic tau decays and and low misidentification |
| 11 |
< |
rate for quarks and gluons is thus essential to maximize the significance of |
| 12 |
< |
searches for new physics at CMS. |
| 2 |
> |
many possible new physics signals at the Compact Muon Solenoid (CMS). The |
| 3 |
> |
Standard Model background rates from true tau leptons are typically the same |
| 4 |
> |
order of magnitude as the expected signal rate in many searches for new |
| 5 |
> |
physics. The challenge of doing physics with taus is driven by the rate at |
| 6 |
> |
which objects are incorrectly tagged as taus. In paticular, quark and gluon |
| 7 |
> |
jets have a significantly higher production cross-section and events where |
| 8 |
> |
these objects are incorrectly identified as tau leptons can dominate the |
| 9 |
> |
backgrounds of searches for new physics using taus. Efficient identification |
| 10 |
> |
of hadronic tau decays and and low misidentification rate for quarks and gluons |
| 11 |
> |
is thus essential to maximize the significance of searches for new physics at |
| 12 |
> |
CMS. |
| 13 |
|
|
| 14 |
|
New physics signals may be discovered through tau lepton hadronic decay channels |
| 15 |
|
in early CMS data. The tau lepton plays a paticularly important role in |
