Measurement of the parity-violating asymmetry parameter ab and the helicity amplitudes for the decay Lambda(0)(b) - GT J/psi Lambda(0) with the ATLAS detector
2014
Authors
Aad, G.Agatonović-Jovin, Tatjana
Božović-Jelisavčić, Ivanka
Ćirković, Predrag
Dimitrievska, A.
Krstić, Jelena
Mamužić, Judita
Popović, D. S.
Sijacki, Dj.
Simić, Lj.
Vranješ, Nenad
Vranješ Milosavljević, Marija
ATLAS Collaboration (ukupan broj autora: 2898)
Article
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A measurement of the parity-violating decay asymmetry parameter, ab, and the helicity amplitudes for the decay.Lambda(0)(b) - GT J/psi(mu(+) mu(-)) Lambda(0)(p pi(-)) is reported. The analysis is based on 1400 Lambda(0)(b)and (Lambda) over bar (0)(b) baryons selected in 4.6 fb(-1) of proton-proton collision data with a center-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. By combining the.0 b and. _ 0 b samples under the assumption of CP conservation, the value of ab is measured to be 0.30 +/- 0.16(stat) +/- 0.06(syst). This measurement provides a test of theoretical models based on perturbative QCD or heavy-quark effective theory.
Source:
Physical Review D, 2014, 89, 9Funding / projects:
- ANPCyT, Argentina, Argentina, YerPhI, ICREA
DOI: 10.1103/PhysRevD.89.092009
ISSN: 1550-7998; 1550-2368
WoS: 000336651300001
Scopus: 2-s2.0-84902007565
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VinčaTY - JOUR AU - Aad, G. AU - Agatonović-Jovin, Tatjana AU - Božović-Jelisavčić, Ivanka AU - Ćirković, Predrag AU - Dimitrievska, A. AU - Krstić, Jelena AU - Mamužić, Judita AU - Popović, D. S. AU - Sijacki, Dj. AU - Simić, Lj. AU - Vranješ, Nenad AU - Vranješ Milosavljević, Marija PY - 2014 UR - https://vinar.vin.bg.ac.rs/handle/123456789/6016 AB - A measurement of the parity-violating decay asymmetry parameter, ab, and the helicity amplitudes for the decay.Lambda(0)(b) - GT J/psi(mu(+) mu(-)) Lambda(0)(p pi(-)) is reported. The analysis is based on 1400 Lambda(0)(b)and (Lambda) over bar (0)(b) baryons selected in 4.6 fb(-1) of proton-proton collision data with a center-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. By combining the.0 b and. _ 0 b samples under the assumption of CP conservation, the value of ab is measured to be 0.30 +/- 0.16(stat) +/- 0.06(syst). This measurement provides a test of theoretical models based on perturbative QCD or heavy-quark effective theory. T2 - Physical Review D T1 - Measurement of the parity-violating asymmetry parameter ab and the helicity amplitudes for the decay Lambda(0)(b) - GT J/psi Lambda(0) with the ATLAS detector VL - 89 IS - 9 DO - 10.1103/PhysRevD.89.092009 ER -
@article{ author = "Aad, G. and Agatonović-Jovin, Tatjana and Božović-Jelisavčić, Ivanka and Ćirković, Predrag and Dimitrievska, A. and Krstić, Jelena and Mamužić, Judita and Popović, D. S. and Sijacki, Dj. and Simić, Lj. and Vranješ, Nenad and Vranješ Milosavljević, Marija", year = "2014", abstract = "A measurement of the parity-violating decay asymmetry parameter, ab, and the helicity amplitudes for the decay.Lambda(0)(b) - GT J/psi(mu(+) mu(-)) Lambda(0)(p pi(-)) is reported. The analysis is based on 1400 Lambda(0)(b)and (Lambda) over bar (0)(b) baryons selected in 4.6 fb(-1) of proton-proton collision data with a center-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. By combining the.0 b and. _ 0 b samples under the assumption of CP conservation, the value of ab is measured to be 0.30 +/- 0.16(stat) +/- 0.06(syst). This measurement provides a test of theoretical models based on perturbative QCD or heavy-quark effective theory.", journal = "Physical Review D", title = "Measurement of the parity-violating asymmetry parameter ab and the helicity amplitudes for the decay Lambda(0)(b) - GT J/psi Lambda(0) with the ATLAS detector", volume = "89", number = "9", doi = "10.1103/PhysRevD.89.092009" }
Aad, G., Agatonović-Jovin, T., Božović-Jelisavčić, I., Ćirković, P., Dimitrievska, A., Krstić, J., Mamužić, J., Popović, D. S., Sijacki, Dj., Simić, Lj., Vranješ, N.,& Vranješ Milosavljević, M.. (2014). Measurement of the parity-violating asymmetry parameter ab and the helicity amplitudes for the decay Lambda(0)(b) - GT J/psi Lambda(0) with the ATLAS detector. in Physical Review D, 89(9). https://doi.org/10.1103/PhysRevD.89.092009
Aad G, Agatonović-Jovin T, Božović-Jelisavčić I, Ćirković P, Dimitrievska A, Krstić J, Mamužić J, Popović DS, Sijacki D, Simić L, Vranješ N, Vranješ Milosavljević M. Measurement of the parity-violating asymmetry parameter ab and the helicity amplitudes for the decay Lambda(0)(b) - GT J/psi Lambda(0) with the ATLAS detector. in Physical Review D. 2014;89(9). doi:10.1103/PhysRevD.89.092009 .
Aad, G., Agatonović-Jovin, Tatjana, Božović-Jelisavčić, Ivanka, Ćirković, Predrag, Dimitrievska, A., Krstić, Jelena, Mamužić, Judita, Popović, D. S., Sijacki, Dj., Simić, Lj., Vranješ, Nenad, Vranješ Milosavljević, Marija, "Measurement of the parity-violating asymmetry parameter ab and the helicity amplitudes for the decay Lambda(0)(b) - GT J/psi Lambda(0) with the ATLAS detector" in Physical Review D, 89, no. 9 (2014), https://doi.org/10.1103/PhysRevD.89.092009 . .