Λ(b) polarization in Z0 decays at LEP

Christopher Parkes; R. Starink; M. F. Van Batenburg; E. Cisbani; W. H. Dickhoff; S. Frullani; F. Garibaldi; C. Giusti; D. L. Groep; P. Heimberg; W. H A Hesselink; M. Iodice; E. Jans; L. Lapikás; R. De Leo; C. J G Onderwater; F. D. Pacati; R. Perrino; J. Ryckebusch; M. F M Steenbakkers; J. A. Templon; G. M. Urciuoli; L. B. Weinstein

doi:10.1016/S0370-2693(99)01431-8

Λ(b) polarization in Z0 decays at LEP

Christopher Parkes, R. Starink, M. F. Van Batenburg, E. Cisbani, W. H. Dickhoff, S. Frullani, F. Garibaldi, C. Giusti, D. L. Groep, P. Heimberg, W. H A Hesselink, M. Iodice, E. Jans, L. Lapikás, R. De Leo, C. J G Onderwater, F. D. Pacati, R. Perrino, J. Ryckebusch, M. F M SteenbakkersJ. A. Templon, G. M. Urciuoli, L. B. Weinstein

Research output: Contribution to journal › Article › peer-review

Abstract

The longitudinal polarization of the Λ(b) baryon is measured at the LEP e+e- collider by DELPHI. It is determined from the charged lepton and neutrino energy spectra in 249 ± 19 Λ(b) semileptonic decays reconstructed in ≃ 3.5 million hadronic Z0 decays using Λ0-lepton correlations. The measured polarization is: P(Λ(b)) = -0.49-0.30/+0.32(stat.) ± 0.17(syst.) (C) 2000 Elsevier Science B.V.

Original language	English
Pages (from-to)	205-222
Number of pages	17
Journal	Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	474
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(99)01431-8
Publication status	Published - 10 Feb 2000

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Parkes, C., Starink, R., Van Batenburg, M. F., Cisbani, E., Dickhoff, W. H., Frullani, S., Garibaldi, F., Giusti, C., Groep, D. L., Heimberg, P., Hesselink, W. H. A., Iodice, M., Jans, E., Lapikás, L., De Leo, R., Onderwater, C. J. G., Pacati, F. D., Perrino, R., Ryckebusch, J., ... Weinstein, L. B. (2000). Λ(b) polarization in Z0 decays at LEP. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 474(1-2), 205-222. https://doi.org/10.1016/S0370-2693(99)01431-8

@article{91c85f410531466a8eb835bc13fead91,

title = "Λ(b) polarization in Z0 decays at LEP",

abstract = "The longitudinal polarization of the Λ(b) baryon is measured at the LEP e+e- collider by DELPHI. It is determined from the charged lepton and neutrino energy spectra in 249 ± 19 Λ(b) semileptonic decays reconstructed in ≃ 3.5 million hadronic Z0 decays using Λ0-lepton correlations. The measured polarization is: P(Λ(b)) = -0.49-0.30/+0.32(stat.) ± 0.17(syst.) (C) 2000 Elsevier Science B.V.",

author = "Christopher Parkes and R. Starink and {Van Batenburg}, {M. F.} and E. Cisbani and Dickhoff, {W. H.} and S. Frullani and F. Garibaldi and C. Giusti and Groep, {D. L.} and P. Heimberg and Hesselink, {W. H A} and M. Iodice and E. Jans and L. Lapik{\'a}s and {De Leo}, R. and Onderwater, {C. J G} and Pacati, {F. D.} and R. Perrino and J. Ryckebusch and Steenbakkers, {M. F M} and Templon, {J. A.} and Urciuoli, {G. M.} and Weinstein, {L. B.}",

year = "2000",

month = feb,

day = "10",

doi = "10.1016/S0370-2693(99)01431-8",

language = "English",

volume = "474",

pages = "205--222",

journal = "Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier BV",

number = "1-2",

}

Parkes, C, Starink, R, Van Batenburg, MF, Cisbani, E, Dickhoff, WH, Frullani, S, Garibaldi, F, Giusti, C, Groep, DL, Heimberg, P, Hesselink, WHA, Iodice, M, Jans, E, Lapikás, L, De Leo, R, Onderwater, CJG, Pacati, FD, Perrino, R, Ryckebusch, J, Steenbakkers, MFM, Templon, JA, Urciuoli, GM & Weinstein, LB 2000, 'Λ(b) polarization in Z0 decays at LEP', Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 474, no. 1-2, pp. 205-222. https://doi.org/10.1016/S0370-2693(99)01431-8

TY - JOUR

T1 - Λ(b) polarization in Z0 decays at LEP

AU - Parkes, Christopher

AU - Starink, R.

AU - Van Batenburg, M. F.

AU - Cisbani, E.

AU - Dickhoff, W. H.

AU - Frullani, S.

AU - Garibaldi, F.

AU - Giusti, C.

AU - Groep, D. L.

AU - Heimberg, P.

AU - Hesselink, W. H A

AU - Iodice, M.

AU - Jans, E.

AU - Lapikás, L.

AU - De Leo, R.

AU - Onderwater, C. J G

AU - Pacati, F. D.

AU - Perrino, R.

AU - Ryckebusch, J.

AU - Steenbakkers, M. F M

AU - Templon, J. A.

AU - Urciuoli, G. M.

AU - Weinstein, L. B.

PY - 2000/2/10

Y1 - 2000/2/10

N2 - The longitudinal polarization of the Λ(b) baryon is measured at the LEP e+e- collider by DELPHI. It is determined from the charged lepton and neutrino energy spectra in 249 ± 19 Λ(b) semileptonic decays reconstructed in ≃ 3.5 million hadronic Z0 decays using Λ0-lepton correlations. The measured polarization is: P(Λ(b)) = -0.49-0.30/+0.32(stat.) ± 0.17(syst.) (C) 2000 Elsevier Science B.V.

AB - The longitudinal polarization of the Λ(b) baryon is measured at the LEP e+e- collider by DELPHI. It is determined from the charged lepton and neutrino energy spectra in 249 ± 19 Λ(b) semileptonic decays reconstructed in ≃ 3.5 million hadronic Z0 decays using Λ0-lepton correlations. The measured polarization is: P(Λ(b)) = -0.49-0.30/+0.32(stat.) ± 0.17(syst.) (C) 2000 Elsevier Science B.V.

U2 - 10.1016/S0370-2693(99)01431-8

DO - 10.1016/S0370-2693(99)01431-8

M3 - Article

SN - 0370-2693

VL - 474

SP - 205

EP - 222

JO - Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-2

ER -

Λ(b) polarization in Z0 decays at LEP

Abstract

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