Observation of polarization effects in Λc+ semileptonic decay

H. Albrecht; H. Ehrlichmann; T. Hamacher; R. P. Hofmann; T. Kirchhoff; R. Mankel; A. Nau; S. Nowak; H. Schröder; H. D. Schulz; M. Walter; R. Wurth; C. Hast; H. Kapitza; H. Kolanoski; A. Kosche; A. Lange; A. Lindner; M. Schieber; T. Siegmund; B. Spaan; H. Thurn; D. Töpfer; D. Wegener; P. Eckstein; K. R. Schubert; R. Schwierz; R. Waldi; K. Reim; H. Wegener; R. Eckmann; H. Kuipers; O. Mai; R. Mundt; T. Oest; R. Reiner; W. Schnidt-Parzefall; J. Stiewe; S. Werner; K. Ehret; W. Hofmann; A. Hüpper; S. Khan; K. T. Knöpfle; M. Seeger; J. Spengler; P. Krieger; D. B. MacFarlane; J. D. Prentice; P. R.B. Saull; K. Tzamariudaki; R. G. Van de Water; T. S. Yoon; C. Frankl; D. Reßing; M. Schmidtler; M. Schneider; S. Weseler; G. Kernel; P. Križan; E. Križnič; T. Podobnik; T. Živko; V. Balagura; I. Belyaev; S. Chechelnitsky; M. Danilov; A. Droutskoy; Yu Gershtein; A. Golutvin; I. Korolko; G. Kostina; D. Litvintsev; V. Lubimov; P. Pakhlov; S. Semenov; A. Snizhko; I. Tichomirov; Yu Zaitsev

doi:10.1016/0370-2693(94)91330-7

Observation of polarization effects in Λ_c⁺ semileptonic decay

H. Albrecht
, H. Ehrlichmann
, T. Hamacher
, R. P. Hofmann
, T. Kirchhoff
, R. Mankel
, A. Nau
, S. Nowak
, H. Schröder
, H. D. Schulz
, M. Walter
, R. Wurth
, C. Hast
, H. Kapitza
, H. Kolanoski
, A. Kosche
, A. Lange
, A. Lindner
, M. Schieber
, T. Siegmund

B. Spaan, H. Thurn, D. Töpfer, D. Wegener, P. Eckstein, K. R. Schubert, R. Schwierz, R. Waldi, K. Reim, H. Wegener, R. Eckmann, H. Kuipers, O. Mai, R. Mundt, T. Oest, R. Reiner, W. Schnidt-Parzefall, J. Stiewe, S. Werner, K. Ehret, W. Hofmann, A. Hüpper, S. Khan, K. T. Knöpfle, M. Seeger, J. Spengler, P. Krieger, D. B. MacFarlane, J. D. Prentice, P. R.B. Saull, K. Tzamariudaki, R. G. Van de Water, T. S. Yoon, C. Frankl, D. Reßing, M. Schmidtler, M. Schneider, S. Weseler, G. Kernel, P. Križan, E. Križnič, T. Podobnik, T. Živko, V. Balagura, I. Belyaev, S. Chechelnitsky, M. Danilov, A. Droutskoy, Yu Gershtein, A. Golutvin, I. Korolko, G. Kostina, D. Litvintsev, V. Lubimov, P. Pakhlov, S. Semenov, A. Snizhko, I. Tichomirov, Yu Zaitsev

c/o DESY
University of Dortmund
Technical University Dresden
Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen
Universität Hamburg
University of Heidelberg
Max-Planck-Institut für Kernphysik
Institute of Particle Physics
Universität Karlsruhe/Forschungszentrum Karlsruhe
University of Ljubljana
Institute for Theoretical and Experimental Physics

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

6 Citations (Scopus)

Abstract

Polarization of the Λ daughter baryon from Λ_c⁺ → Λl⁺ v_l decay has been measured for the first time using the ARGUS detector at the DORIS II ε{lunate}⁺ε{lunate}^- storage ring. Expressed in terms of the Λ_c⁺ semileptonic asymmetry parameter the result is α_Λc= -0.91±0.49 for events in the mass region 1.85<M(Λl⁺)<2.20 GeV/c².

Original language	English
Pages (from-to)	320-328
Number of pages	9
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	326
Issue number	3-4
DOIs	https://doi.org/10.1016/0370-2693(94)91330-7
Publication status	Published - 5 May 1994
Externally published	Yes

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10.1016/0370-2693(94)91330-7

Cite this

Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Mankel, R., Nau, A., Nowak, S., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Hast, C., Kapitza, H., Kolanoski, H., Kosche, A., Lange, A., Lindner, A., Schieber, M., ... Zaitsev, Y. (1994). Observation of polarization effects in Λ_c⁺ semileptonic decay. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 326(3-4), 320-328. https://doi.org/10.1016/0370-2693(94)91330-7

@article{79a099ec33954f09bc377099450b97ba,

title = "Observation of polarization effects in Λc+ semileptonic decay",

abstract = "Polarization of the Λ daughter baryon from Λc+ → Λl+ vl decay has been measured for the first time using the ARGUS detector at the DORIS II ε\{lunate\}+ε\{lunate\}- storage ring. Expressed in terms of the Λc+ semileptonic asymmetry parameter the result is αΛc= -0.91±0.49 for events in the mass region 1.85+)<2.20 GeV/c2.",

author = "H. Albrecht and H. Ehrlichmann and T. Hamacher and Hofmann, \{R. P.\} and T. Kirchhoff and R. Mankel and A. Nau and S. Nowak and H. Schr{\"o}der and Schulz, \{H. D.\} and M. Walter and R. Wurth and C. Hast and H. Kapitza and H. Kolanoski and A. Kosche and A. Lange and A. Lindner and M. Schieber and T. Siegmund and B. Spaan and H. Thurn and D. T{\"o}pfer and D. Wegener and P. Eckstein and Schubert, \{K. R.\} and R. Schwierz and R. Waldi and K. Reim and H. Wegener and R. Eckmann and H. Kuipers and O. Mai and R. Mundt and T. Oest and R. Reiner and W. Schnidt-Parzefall and J. Stiewe and S. Werner and K. Ehret and W. Hofmann and A. H{\"u}pper and S. Khan and Kn{\"o}pfle, \{K. T.\} and M. Seeger and J. Spengler and P. Krieger and MacFarlane, \{D. B.\} and Prentice, \{J. D.\} and Saull, \{P. R.B.\} and K. Tzamariudaki and \{Van de Water\}, \{R. G.\} and Yoon, \{T. S.\} and C. Frankl and D. Re{\ss}ing and M. Schmidtler and M. Schneider and S. Weseler and G. Kernel and P. Kri{\v z}an and E. Kri{\v z}ni{\v c} and T. Podobnik and T. {\v Z}ivko and V. Balagura and I. Belyaev and S. Chechelnitsky and M. Danilov and A. Droutskoy and Yu Gershtein and A. Golutvin and I. Korolko and G. Kostina and D. Litvintsev and V. Lubimov and P. Pakhlov and S. Semenov and A. Snizhko and I. Tichomirov and Yu Zaitsev",

year = "1994",

month = may,

day = "5",

doi = "10.1016/0370-2693(94)91330-7",

language = "English",

volume = "326",

pages = "320--328",

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

issn = "0370-2693",

publisher = "Elsevier B.V.",

number = "3-4",

}

Albrecht, H, Ehrlichmann, H, Hamacher, T, Hofmann, RP, Kirchhoff, T, Mankel, R, Nau, A, Nowak, S, Schröder, H, Schulz, HD, Walter, M, Wurth, R, Hast, C, Kapitza, H, Kolanoski, H, Kosche, A, Lange, A, Lindner, A, Schieber, M, Siegmund, T, Spaan, B, Thurn, H, Töpfer, D, Wegener, D, Eckstein, P, Schubert, KR, Schwierz, R, Waldi, R, Reim, K, Wegener, H, Eckmann, R, Kuipers, H, Mai, O, Mundt, R, Oest, T, Reiner, R, Schnidt-Parzefall, W, Stiewe, J, Werner, S, Ehret, K, Hofmann, W, Hüpper, A, Khan, S, Knöpfle, KT, Seeger, M, Spengler, J, Krieger, P, MacFarlane, DB, Prentice, JD, Saull, PRB, Tzamariudaki, K, Van de Water, RG, Yoon, TS, Frankl, C, Reßing, D, Schmidtler, M, Schneider, M, Weseler, S, Kernel, G, Križan, P, Križnič, E, Podobnik, T, Živko, T, Balagura, V, Belyaev, I, Chechelnitsky, S, Danilov, M, Droutskoy, A, Gershtein, Y, Golutvin, A, Korolko, I, Kostina, G, Litvintsev, D, Lubimov, V, Pakhlov, P, Semenov, S, Snizhko, A, Tichomirov, I & Zaitsev, Y 1994, 'Observation of polarization effects in Λ_c⁺ semileptonic decay', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 326, no. 3-4, pp. 320-328. https://doi.org/10.1016/0370-2693(94)91330-7

TY - JOUR

T1 - Observation of polarization effects in Λc+ semileptonic decay

AU - Albrecht, H.

AU - Ehrlichmann, H.

AU - Hamacher, T.

AU - Hofmann, R. P.

AU - Kirchhoff, T.

AU - Mankel, R.

AU - Nau, A.

AU - Nowak, S.

AU - Schröder, H.

AU - Schulz, H. D.

AU - Walter, M.

AU - Wurth, R.

AU - Hast, C.

AU - Kapitza, H.

AU - Kolanoski, H.

AU - Kosche, A.

AU - Lange, A.

AU - Lindner, A.

AU - Schieber, M.

AU - Siegmund, T.

AU - Spaan, B.

AU - Thurn, H.

AU - Töpfer, D.

AU - Wegener, D.

AU - Eckstein, P.

AU - Schubert, K. R.

AU - Schwierz, R.

AU - Waldi, R.

AU - Reim, K.

AU - Wegener, H.

AU - Eckmann, R.

AU - Kuipers, H.

AU - Mai, O.

AU - Mundt, R.

AU - Oest, T.

AU - Reiner, R.

AU - Schnidt-Parzefall, W.

AU - Stiewe, J.

AU - Werner, S.

AU - Ehret, K.

AU - Hofmann, W.

AU - Hüpper, A.

AU - Khan, S.

AU - Knöpfle, K. T.

AU - Seeger, M.

AU - Spengler, J.

AU - Krieger, P.

AU - MacFarlane, D. B.

AU - Prentice, J. D.

AU - Saull, P. R.B.

AU - Tzamariudaki, K.

AU - Van de Water, R. G.

AU - Yoon, T. S.

AU - Frankl, C.

AU - Reßing, D.

AU - Schmidtler, M.

AU - Schneider, M.

AU - Weseler, S.

AU - Kernel, G.

AU - Križan, P.

AU - Križnič, E.

AU - Podobnik, T.

AU - Živko, T.

AU - Balagura, V.

AU - Belyaev, I.

AU - Chechelnitsky, S.

AU - Danilov, M.

AU - Droutskoy, A.

AU - Gershtein, Yu

AU - Golutvin, A.

AU - Korolko, I.

AU - Kostina, G.

AU - Litvintsev, D.

AU - Lubimov, V.

AU - Pakhlov, P.

AU - Semenov, S.

AU - Snizhko, A.

AU - Tichomirov, I.

AU - Zaitsev, Yu

PY - 1994/5/5

Y1 - 1994/5/5

N2 - Polarization of the Λ daughter baryon from Λc+ → Λl+ vl decay has been measured for the first time using the ARGUS detector at the DORIS II ε{lunate}+ε{lunate}- storage ring. Expressed in terms of the Λc+ semileptonic asymmetry parameter the result is αΛc= -0.91±0.49 for events in the mass region 1.85+)<2.20 GeV/c2.

AB - Polarization of the Λ daughter baryon from Λc+ → Λl+ vl decay has been measured for the first time using the ARGUS detector at the DORIS II ε{lunate}+ε{lunate}- storage ring. Expressed in terms of the Λc+ semileptonic asymmetry parameter the result is αΛc= -0.91±0.49 for events in the mass region 1.85+)<2.20 GeV/c2.

U2 - 10.1016/0370-2693(94)91330-7

DO - 10.1016/0370-2693(94)91330-7

M3 - Article

AN - SCOPUS:1542727520

SN - 0370-2693

VL - 326

SP - 320

EP - 328

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 -

Observation of polarization effects in Λc+ semileptonic decay

Abstract

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Observation of polarization effects in Λ_c⁺ semileptonic decay