21. |
- Aad, G, et al.
(författare)
-
Study of the [Formula: see text] and [Formula: see text] decays with the ATLAS detector.
- 2016
-
Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044. ; 76
-
Tidskriftsartikel (refereegranskat)abstract
- The decays [Formula: see text] and [Formula: see text] are studied with the ATLAS detector at the LHC using a dataset corresponding to integrated luminosities of 4.9 and 20.6 fb[Formula: see text] of pp collisions collected at centre-of-mass energies [Formula: see text] TeV and 8 TeV, respectively. Signal candidates are identified through [Formula: see text] and [Formula: see text] decays. With a two-dimensional likelihood fit involving the [Formula: see text] reconstructed invariant mass and an angle between the [Formula: see text] and [Formula: see text] candidate momenta in the muon pair rest frame, the yields of [Formula: see text] and [Formula: see text], and the transverse polarisation fraction in [Formula: see text] decay are measured. The transverse polarisation fraction is determined to be [Formula: see text], and the derived ratio of the branching fractions of the two modes is [Formula: see text], where the first error is statistical and the second is systematic. Finally, a sample of [Formula: see text] decays is used to derive the ratios of branching fractions [Formula: see text] and [Formula: see text], where the third error corresponds to the uncertainty of the branching fraction of [Formula: see text] decay. The available theoretical predictions are generally consistent with the measurement.
|
|
22. |
- Aad, G., et al.
(författare)
-
- 2015
-
Ingår i: Journal of High Energy Physics. - 1029-8479 .- 1126-6708. ; :10
-
Tidskriftsartikel (refereegranskat)
|
|
23. |
- Aad, G., et al.
(författare)
-
- 2015
-
Ingår i: Journal of High Energy Physics. - : Societa Italiana di Fisica. - 1029-8479 .- 1126-6708. ; :8
-
Tidskriftsartikel (refereegranskat)
|
|
24. |
- Aad, G., et al.
(författare)
-
- 2015
-
Ingår i: Journal of High Energy Physics. - : Societa Italiana di Fisica. - 1029-8479 .- 1126-6708. ; :9
-
Tidskriftsartikel (refereegranskat)
|
|
25. |
- Aad, G., et al.
(författare)
-
- 2015
-
Ingår i: Journal of High Energy Physics. - 1029-8479 .- 1126-6708. ; :8
-
Tidskriftsartikel (refereegranskat)
|
|
26. |
- Aad, G., et al.
(författare)
-
- 2015
-
Ingår i: Physical Review D (Particles, Fields, Gravitation and Cosmology). - 1550-2368 .- 1550-7998. ; 92:9
-
Tidskriftsartikel (refereegranskat)
|
|
27. |
- Aad, G., et al.
(författare)
-
- 2015
-
Ingår i: Physical Review Letters. - 1079-7114 .- 0031-9007. ; 115:3
-
Tidskriftsartikel (refereegranskat)
|
|
28. |
|
|
29. |
|
|
30. |
|
|