Measurement of the mass of the Λb baryon

D. Buskulic; I. de Bonis; D. Decamp; P. Ghez; C. Goy; J. P. Lees; A. Lucotte; M. N. Minard; P. Odier; B. Pietrzyk; M. P. Casado; M. Chmeissani; J. M. Crespo; M. Delfino; I. Efthymiopoulos; E. Fernandez; M. Fernandez-Bosman; LI Garrido; A. Juste; M. Martinez; S. Orteu; A. Pacheco; C. Padilla; A. Pascual; J. A. Perlas; I. Riu; F. Sanchez; F. Teubert; A. Colaleo; D. Creanza; M. de Palma; G. Gelao; M. Girone; G. Iaselli; G. Maggi; M. Maggi; N. Marinelli; S. Nuzzo; A. Ranieri; G. Raso; F. Ruggieri; G. Selvaggi; L. Silvestris; P. Tempesta; G. Zito; X. Huang; J. Lin; Q. Ouyang; T. Wang; Y. Xie; R. Xu; S. Xue; J. Zhang; L. Zhang; W. Zhao; R. Alemany; A. O. Bazarko; G. Bonvicini; M. Cattaneo; P. Comas; P. Coyle; H. Drevermann; R. W. Forty; M. Frank; R. Hagelberg; J. Harvey; P. Janot; B. Jost; E. Kneringer; J. Knobloch; I. Lehraus; E. B. Martin; P. Mato; A. Minten; R. Miquel; L. M. Mir; L. Moneta; T. Oest; F. Palla; J. R. Pater; J. F. Pusztaszeri; F. Ranjard; P. Rensing; L. Rolandi; D. Schlatter; M. Schmelling; O. Schneider; W. Tejessy; I. R. Tomalin; A. Venturi; H. Wachsmuth; A. Wagner; T. Wildish; Z. Ajaltouni; A. Barrès; C. Boyer; A. Falvard; P. Gay; C. Guicheney; P. Henrard

doi:10.1016/0370-2693(96)00659-4

Measurement of the mass of the Λ_b baryon

D. Buskulic, I. de Bonis, D. Decamp, P. Ghez, C. Goy, J. P. Lees, A. Lucotte, M. N. Minard, P. Odier, B. Pietrzyk, M. P. Casado, M. Chmeissani, J. M. Crespo, M. Delfino, I. Efthymiopoulos, E. Fernandez, M. Fernandez-Bosman, LI Garrido, A. Juste, M. MartinezS. Orteu, A. Pacheco, C. Padilla, A. Pascual, J. A. Perlas, I. Riu, F. Sanchez, F. Teubert, A. Colaleo, D. Creanza, M. de Palma, G. Gelao, M. Girone, G. Iaselli, G. Maggi, M. Maggi, N. Marinelli, S. Nuzzo, A. Ranieri, G. Raso, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, G. Zito, X. Huang, J. Lin, Q. Ouyang, T. Wang, Y. Xie, R. Xu, S. Xue, J. Zhang, L. Zhang, W. Zhao, R. Alemany, A. O. Bazarko, G. Bonvicini, M. Cattaneo, P. Comas, P. Coyle, H. Drevermann, R. W. Forty, M. Frank, R. Hagelberg, J. Harvey, P. Janot, B. Jost, E. Kneringer, J. Knobloch, I. Lehraus, E. B. Martin, P. Mato, A. Minten, R. Miquel, L. M. Mir, L. Moneta, T. Oest, F. Palla, J. R. Pater, J. F. Pusztaszeri, F. Ranjard, P. Rensing, L. Rolandi, D. Schlatter, M. Schmelling, O. Schneider, W. Tejessy, I. R. Tomalin, A. Venturi, H. Wachsmuth, A. Wagner, T. Wildish, Z. Ajaltouni, A. Barrès, C. Boyer, A. Falvard, P. Gay, C. Guicheney, P. Henrard

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Resum

In a data sample of four million hadronic Z decays collected with the ALEPH detector at LEP, four Λb, baryon candidates are exclusively reconstructed in the Λb → Λ+cπ- channel, with the Λ+c decaying into pK-π+, pK-0 , or Λπ+π+π-. The probability of the observed signal to be due to a background fluctuation is estimated to be 4.2 × 10-4. The mass of the Λb, is measured to be 5614 ± 21 (stat.) ±4 (syst.) MeV/c2.

Idioma original	Anglès
Pàgines (de-a)	442-452
Revista	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volum	380
Número	3-4
DOIs	https://doi.org/10.1016/0370-2693(96)00659-4
Estat de la publicació	Publicada - 11 de jul. 1996

Accés al document

10.1016/0370-2693(96)00659-4

Com citar-ho

Buskulic, D., de Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J. P., Lucotte, A., Minard, M. N., Odier, P., Pietrzyk, B., Casado, M. P., Chmeissani, M., Crespo, J. M., Delfino, M., Efthymiopoulos, I., Fernandez, E., Fernandez-Bosman, M., Garrido, LI., Juste, A., ... Henrard, P. (1996). Measurement of the mass of the Λ_b baryon. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 380(3-4), 442-452. https://doi.org/10.1016/0370-2693(96)00659-4

@article{a4915410f0224608a781e3877c9e58db,

title = "Measurement of the mass of the Λb baryon",

abstract = "In a data sample of four million hadronic Z decays collected with the ALEPH detector at LEP, four Λb, baryon candidates are exclusively reconstructed in the Λb → Λ+cπ- channel, with the Λ+c decaying into pK-π+, pK-0 , or Λπ+π+π-. The probability of the observed signal to be due to a background fluctuation is estimated to be 4.2 × 10-4. The mass of the Λb, is measured to be 5614 ± 21 (stat.) ±4 (syst.) MeV/c2.",

author = "D. Buskulic and {de Bonis}, I. and D. Decamp and P. Ghez and C. Goy and Lees, {J. P.} and A. Lucotte and Minard, {M. N.} and P. Odier and B. Pietrzyk and Casado, {M. P.} and M. Chmeissani and Crespo, {J. M.} and M. Delfino and I. Efthymiopoulos and E. Fernandez and M. Fernandez-Bosman and LI Garrido and A. Juste and M. Martinez and S. Orteu and A. Pacheco and C. Padilla and A. Pascual and Perlas, {J. A.} and I. Riu and F. Sanchez and F. Teubert and A. Colaleo and D. Creanza and {de Palma}, M. and G. Gelao and M. Girone and G. Iaselli and G. Maggi and M. Maggi and N. Marinelli and S. Nuzzo and A. Ranieri and G. Raso and F. Ruggieri and G. Selvaggi and L. Silvestris and P. Tempesta and G. Zito and X. Huang and J. Lin and Q. Ouyang and T. Wang and Y. Xie and R. Xu and S. Xue and J. Zhang and L. Zhang and W. Zhao and R. Alemany and Bazarko, {A. O.} and G. Bonvicini and M. Cattaneo and P. Comas and P. Coyle and H. Drevermann and Forty, {R. W.} and M. Frank and R. Hagelberg and J. Harvey and P. Janot and B. Jost and E. Kneringer and J. Knobloch and I. Lehraus and Martin, {E. B.} and P. Mato and A. Minten and R. Miquel and Mir, {L. M.} and L. Moneta and T. Oest and F. Palla and Pater, {J. R.} and Pusztaszeri, {J. F.} and F. Ranjard and P. Rensing and L. Rolandi and D. Schlatter and M. Schmelling and O. Schneider and W. Tejessy and Tomalin, {I. R.} and A. Venturi and H. Wachsmuth and A. Wagner and T. Wildish and Z. Ajaltouni and A. Barr{\`e}s and C. Boyer and A. Falvard and P. Gay and C. Guicheney and P. Henrard",

year = "1996",

month = jul,

day = "11",

doi = "10.1016/0370-2693(96)00659-4",

language = "English",

volume = "380",

pages = "442--452",

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

issn = "0370-2693",

publisher = "Elsevier",

number = "3-4",

}

Buskulic, D, de Bonis, I, Decamp, D, Ghez, P, Goy, C, Lees, JP, Lucotte, A, Minard, MN, Odier, P, Pietrzyk, B, Casado, MP, Chmeissani, M, Crespo, JM , Delfino, M, Efthymiopoulos, I, Fernandez, E, Fernandez-Bosman, M, Garrido, LI, Juste, A, Martinez, M, Orteu, S, Pacheco, A, Padilla, C, Pascual, A, Perlas, JA, Riu, I, Sanchez, F, Teubert, F, Colaleo, A, Creanza, D, de Palma, M, Gelao, G, Girone, M, Iaselli, G, Maggi, G, Maggi, M, Marinelli, N, Nuzzo, S, Ranieri, A, Raso, G, Ruggieri, F, Selvaggi, G, Silvestris, L, Tempesta, P, Zito, G, Huang, X, Lin, J, Ouyang, Q, Wang, T, Xie, Y, Xu, R, Xue, S, Zhang, J, Zhang, L, Zhao, W, Alemany, R, Bazarko, AO, Bonvicini, G, Cattaneo, M, Comas, P, Coyle, P, Drevermann, H, Forty, RW, Frank, M, Hagelberg, R, Harvey, J, Janot, P, Jost, B, Kneringer, E, Knobloch, J, Lehraus, I, Martin, EB, Mato, P, Minten, A, Miquel, R, Mir, LM, Moneta, L, Oest, T, Palla, F, Pater, JR, Pusztaszeri, JF, Ranjard, F, Rensing, P, Rolandi, L, Schlatter, D, Schmelling, M, Schneider, O, Tejessy, W, Tomalin, IR, Venturi, A, Wachsmuth, H, Wagner, A, Wildish, T, Ajaltouni, Z, Barrès, A, Boyer, C, Falvard, A, Gay, P, Guicheney, C & Henrard, P 1996, 'Measurement of the mass of the Λ_b baryon', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 380, núm. 3-4, pàg. 442-452. https://doi.org/10.1016/0370-2693(96)00659-4

TY - JOUR

T1 - Measurement of the mass of the Λb baryon

AU - Buskulic, D.

AU - de Bonis, I.

AU - Decamp, D.

AU - Ghez, P.

AU - Goy, C.

AU - Lees, J. P.

AU - Lucotte, A.

AU - Minard, M. N.

AU - Odier, P.

AU - Pietrzyk, B.

AU - Casado, M. P.

AU - Chmeissani, M.

AU - Crespo, J. M.

AU - Delfino, M.

AU - Efthymiopoulos, I.

AU - Fernandez, E.

AU - Fernandez-Bosman, M.

AU - Garrido, LI

AU - Juste, A.

AU - Martinez, M.

AU - Orteu, S.

AU - Pacheco, A.

AU - Padilla, C.

AU - Pascual, A.

AU - Perlas, J. A.

AU - Riu, I.

AU - Sanchez, F.

AU - Teubert, F.

AU - Colaleo, A.

AU - Creanza, D.

AU - de Palma, M.

AU - Gelao, G.

AU - Girone, M.

AU - Iaselli, G.

AU - Maggi, G.

AU - Maggi, M.

AU - Marinelli, N.

AU - Nuzzo, S.

AU - Ranieri, A.

AU - Raso, G.

AU - Ruggieri, F.

AU - Selvaggi, G.

AU - Silvestris, L.

AU - Tempesta, P.

AU - Zito, G.

AU - Huang, X.

AU - Lin, J.

AU - Ouyang, Q.

AU - Wang, T.

AU - Xie, Y.

AU - Xu, R.

AU - Xue, S.

AU - Zhang, J.

AU - Zhang, L.

AU - Zhao, W.

AU - Alemany, R.

AU - Bazarko, A. O.

AU - Bonvicini, G.

AU - Cattaneo, M.

AU - Comas, P.

AU - Coyle, P.

AU - Drevermann, H.

AU - Forty, R. W.

AU - Frank, M.

AU - Hagelberg, R.

AU - Harvey, J.

AU - Janot, P.

AU - Jost, B.

AU - Kneringer, E.

AU - Knobloch, J.

AU - Lehraus, I.

AU - Martin, E. B.

AU - Mato, P.

AU - Minten, A.

AU - Miquel, R.

AU - Mir, L. M.

AU - Moneta, L.

AU - Oest, T.

AU - Palla, F.

AU - Pater, J. R.

AU - Pusztaszeri, J. F.

AU - Ranjard, F.

AU - Rensing, P.

AU - Rolandi, L.

AU - Schlatter, D.

AU - Schmelling, M.

AU - Schneider, O.

AU - Tejessy, W.

AU - Tomalin, I. R.

AU - Venturi, A.

AU - Wachsmuth, H.

AU - Wagner, A.

AU - Wildish, T.

AU - Ajaltouni, Z.

AU - Barrès, A.

AU - Boyer, C.

AU - Falvard, A.

AU - Gay, P.

AU - Guicheney, C.

AU - Henrard, P.

PY - 1996/7/11

Y1 - 1996/7/11

N2 - In a data sample of four million hadronic Z decays collected with the ALEPH detector at LEP, four Λb, baryon candidates are exclusively reconstructed in the Λb → Λ+cπ- channel, with the Λ+c decaying into pK-π+, pK-0 , or Λπ+π+π-. The probability of the observed signal to be due to a background fluctuation is estimated to be 4.2 × 10-4. The mass of the Λb, is measured to be 5614 ± 21 (stat.) ±4 (syst.) MeV/c2.

AB - In a data sample of four million hadronic Z decays collected with the ALEPH detector at LEP, four Λb, baryon candidates are exclusively reconstructed in the Λb → Λ+cπ- channel, with the Λ+c decaying into pK-π+, pK-0 , or Λπ+π+π-. The probability of the observed signal to be due to a background fluctuation is estimated to be 4.2 × 10-4. The mass of the Λb, is measured to be 5614 ± 21 (stat.) ±4 (syst.) MeV/c2.

U2 - 10.1016/0370-2693(96)00659-4

DO - 10.1016/0370-2693(96)00659-4

M3 - Article

SN - 0370-2693

VL - 380

SP - 442

EP - 452

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 - 3-4

ER -

Measurement of the mass of the Λb baryon

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Measurement of the mass of the Λ_b baryon