A measurement of asymmetry in the decay Λc+ → Λπ+

H. Albrecht; H. Ehrlichmann; T. Hamacher; A. Krüger; A. Nau; A. Nippe; M. Reidenbach; M. Schäfer; H. Schröder; H. D. Schulz; F. Sefkow; R. Wurth; R. D. Appuhn; C. Hast; G. Herrera; H. Kolanoski; A. Lange; A. Lindner; R. Mankel; M. Schieber; T. Siegmund; B. Spaan; H. Thurn; D. Töpfer; A. Walther; D. Wegener; M. Paulini; K. Reim; U. Volland; H. Wegener; R. Mundt; K. Reim; W. Schmidt-Parzefall; W. Funk; J. Stiewe; S. Werner; S. Ball; J. C. Gabriel; C. Geyer; A. Hölscher; W. Hofmann; B. Holzer; S. Khan; K. T. Knöpfle; J. Spengler; D. I. Britton; C. E.K. Charlesworth; K. W. Edwards; H. Kapitza; P. Krieger; R. Kutschke; D. B. MacFarlane; R. S. Orr; P. M. Patel; J. D. Prentice; S. C. Seidel; G. Tsipolitis; K. Tzamariudaki; R. G. Van de Water; T. S. Yoon; D. Reßing; S. Schael; K. R. Schubert; K. Strahl; R. Waldi; S. Weseler; B. Boštjančič; G. Kernel; P. Križan; E. Križnič; T. Podobnik; T. Živko; H. I. Cronström; L. Jönsson; V. Balagura; M. Danilov; A. Droutskoy; B. Fominykh; A. Golutvin; I. Gorelov; F. Ratnikov; V. Lubinov; P. Pakhlov; A. Rostovtsev; A. Semenov; S. Semenov; V. Shevchenko; V. Soloshenko; I. Tichomirov; Yu Zaitsev; R. Childers; C. W. Darden

doi:10.1016/0370-2693(92)90529-D

A measurement of asymmetry in the decay Λ_c⁺ → Λπ⁺

H. Albrecht, H. Ehrlichmann, T. Hamacher, A. Krüger, A. Nau, A. Nippe, M. Reidenbach, M. Schäfer, H. Schröder, H. D. Schulz, F. Sefkow, R. Wurth, R. D. Appuhn, C. Hast, G. Herrera, H. Kolanoski, A. Lange, A. Lindner, R. Mankel, M. SchieberT. Siegmund, B. Spaan, H. Thurn, D. Töpfer, A. Walther, D. Wegener, M. Paulini, K. Reim, U. Volland, H. Wegener, R. Mundt, K. Reim, W. Schmidt-Parzefall, W. Funk, J. Stiewe, S. Werner, S. Ball, J. C. Gabriel, C. Geyer, A. Hölscher, W. Hofmann, B. Holzer, S. Khan, K. T. Knöpfle, J. Spengler, D. I. Britton, C. E.K. Charlesworth, K. W. Edwards, H. Kapitza, P. Krieger, R. Kutschke, D. B. MacFarlane, R. S. Orr, P. M. Patel, J. D. Prentice, S. C. Seidel, G. Tsipolitis, K. Tzamariudaki, R. G. Van de Water, T. S. Yoon, D. Reßing, S. Schael, K. R. Schubert, K. Strahl, R. Waldi, S. Weseler, B. Boštjančič, G. Kernel, P. Križan, E. Križnič, T. Podobnik, T. Živko, H. I. Cronström, L. Jönsson, V. Balagura, M. Danilov, A. Droutskoy, B. Fominykh, A. Golutvin, I. Gorelov, F. Ratnikov, V. Lubinov, P. Pakhlov, A. Rostovtsev, A. Semenov, S. Semenov, V. Shevchenko, V. Soloshenko, I. Tichomirov, Yu Zaitsev, R. Childers, C. W. Darden

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Abstract

Using the ARGUS detector at the e⁺e^- storage ring DORIS II at DESY, we have observed parity violation in the decay Λ^±_c → Λπ^±. We measure the coefficient of parity violation, α_Λc, to be -0.96±0.42. In addition, we measure σ BR (Λ⁺_c → Λπ⁺ and σ BR (Λ⁺_c → Σ⁰π⁺) to be, respectively, (2.2±0.3±0.4) pb and (2.0±0.7±0.4) pb.

Original language	English
Pages (from-to)	239-245
Number of pages	7
Journal	Physics Letters B
Volume	274
Issue number	2
DOIs	https://doi.org/10.1016/0370-2693(92)90529-D
State	Published - 9 Jan 1992
Externally published	Yes

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10.1016/0370-2693(92)90529-D

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Albrecht, H., Ehrlichmann, H., Hamacher, T., Krüger, A., Nau, A., Nippe, A., Reidenbach, M., Schäfer, M., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., Hast, C., Herrera, G., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., ... Darden, C. W. (1992). A measurement of asymmetry in the decay Λ_c⁺ → Λπ⁺. Physics Letters B, 274(2), 239-245. https://doi.org/10.1016/0370-2693(92)90529-D

@article{b96c08f3d0d846149016b30f5c54f4c8,

title = "A measurement of asymmetry in the decay Λc+ → Λπ+",

abstract = "Using the ARGUS detector at the e+e- storage ring DORIS II at DESY, we have observed parity violation in the decay Λ±c → Λπ±. We measure the coefficient of parity violation, αΛc, to be -0.96±0.42. In addition, we measure σ BR (Λ+c → Λπ+ and σ BR (Λ+c → Σ0π+) to be, respectively, (2.2±0.3±0.4) pb and (2.0±0.7±0.4) pb.",

author = "H. Albrecht and H. Ehrlichmann and T. Hamacher and A. Kr{\"u}ger and A. Nau and A. Nippe and M. Reidenbach and M. Sch{\"a}fer and H. Schr{\"o}der and Schulz, {H. D.} and F. Sefkow and R. Wurth and Appuhn, {R. D.} and C. Hast and G. Herrera and H. Kolanoski and A. Lange and A. Lindner and R. Mankel and M. Schieber and T. Siegmund and B. Spaan and H. Thurn and D. T{\"o}pfer and A. Walther and D. Wegener and M. Paulini and K. Reim and U. Volland and H. Wegener and R. Mundt and K. Reim and W. Schmidt-Parzefall and W. Funk and J. Stiewe and S. Werner and S. Ball and Gabriel, {J. C.} and C. Geyer and A. H{\"o}lscher and W. Hofmann and B. Holzer and S. Khan and Kn{\"o}pfle, {K. T.} and J. Spengler and Britton, {D. I.} and Charlesworth, {C. E.K.} and Edwards, {K. W.} and H. Kapitza and P. Krieger and R. Kutschke and MacFarlane, {D. B.} and Orr, {R. S.} and Patel, {P. M.} and Prentice, {J. D.} and Seidel, {S. C.} and G. Tsipolitis and K. Tzamariudaki and {Van de Water}, {R. G.} and Yoon, {T. S.} and D. Re{\ss}ing and S. Schael and Schubert, {K. R.} and K. Strahl and R. Waldi and S. Weseler and B. Bo{\v s}tjan{\v c}i{\v c} 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 Cronstr{\"o}m, {H. I.} and L. J{\"o}nsson and V. Balagura and M. Danilov and A. Droutskoy and B. Fominykh and A. Golutvin and I. Gorelov and F. Ratnikov and V. Lubinov and P. Pakhlov and A. Rostovtsev and A. Semenov and S. Semenov and V. Shevchenko and V. Soloshenko and I. Tichomirov and Yu Zaitsev and R. Childers and Darden, {C. W.}",

note = "Funding Information: Supported by the German Bundesministerium f'tir Forschung und Technologie, under contract number 054DO51P. 2 Supported by the German Bundesministerium ftir Forschung und Technologie, under contract number 054ER 12P. Supported by the German Bundesministerium f'tir Forschung und Technotogie, under contract number 055HD21P. McGill University, Montreal, Quebec, Canada H3A 2T8. 5 University of Toronto, Toronto, Ontario, Canada M5S 1A7. 6 Carleton University, Ottawa, Ontario, Canada KI S 5B6. 7 Supported by the Natural Sciences and EngineeringR esearch Council, Canada. 8 Supported by the Gcrman Bundesministerium f'tir Forschung und Technologie, under contract number 054KA 17P. 9 Supported by the Department of Science and Technology of the Republic of Slovenia and the Internationales Biiro KfA, Jiilich. m Supported by the Swedish Research Council. ' Deceased. ,2 Supported by the US Department of Energy, under contract DE-AS09-80ER 10690.",

year = "1992",

month = jan,

day = "9",

doi = "10.1016/0370-2693(92)90529-D",

language = "English",

volume = "274",

pages = "239--245",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "Elsevier B.V.",

number = "2",

}

Albrecht, H, Ehrlichmann, H, Hamacher, T, Krüger, A, Nau, A, Nippe, A, Reidenbach, M, Schäfer, M, Schröder, H, Schulz, HD, Sefkow, F, Wurth, R, Appuhn, RD, Hast, C, Herrera, G, Kolanoski, H, Lange, A, Lindner, A, Mankel, R, Schieber, M, Siegmund, T, Spaan, B, Thurn, H, Töpfer, D, Walther, A, Wegener, D, Paulini, M, Reim, K, Volland, U, Wegener, H, Mundt, R, Reim, K, Schmidt-Parzefall, W, Funk, W, Stiewe, J, Werner, S, Ball, S, Gabriel, JC, Geyer, C, Hölscher, A, Hofmann, W, Holzer, B, Khan, S, Knöpfle, KT, Spengler, J, Britton, DI, Charlesworth, CEK, Edwards, KW, Kapitza, H, Krieger, P, Kutschke, R, MacFarlane, DB, Orr, RS, Patel, PM, Prentice, JD, Seidel, SC, Tsipolitis, G, Tzamariudaki, K, Van de Water, RG, Yoon, TS, Reßing, D, Schael, S, Schubert, KR, Strahl, K, Waldi, R, Weseler, S, Boštjančič, B, Kernel, G, Križan, P, Križnič, E, Podobnik, T, Živko, T, Cronström, HI, Jönsson, L, Balagura, V, Danilov, M, Droutskoy, A, Fominykh, B, Golutvin, A, Gorelov, I, Ratnikov, F, Lubinov, V, Pakhlov, P, Rostovtsev, A, Semenov, A, Semenov, S, Shevchenko, V, Soloshenko, V, Tichomirov, I, Zaitsev, Y, Childers, R & Darden, CW 1992, 'A measurement of asymmetry in the decay Λ_c⁺ → Λπ⁺', Physics Letters B, vol. 274, no. 2, pp. 239-245. https://doi.org/10.1016/0370-2693(92)90529-D

TY - JOUR

T1 - A measurement of asymmetry in the decay Λc+ → Λπ+

AU - Albrecht, H.

AU - Ehrlichmann, H.

AU - Hamacher, T.

AU - Krüger, A.

AU - Nau, A.

AU - Nippe, A.

AU - Reidenbach, M.

AU - Schäfer, M.

AU - Schröder, H.

AU - Schulz, H. D.

AU - Sefkow, F.

AU - Wurth, R.

AU - Appuhn, R. D.

AU - Hast, C.

AU - Herrera, G.

AU - Kolanoski, H.

AU - Lange, A.

AU - Lindner, A.

AU - Mankel, R.

AU - Schieber, M.

AU - Siegmund, T.

AU - Spaan, B.

AU - Thurn, H.

AU - Töpfer, D.

AU - Walther, A.

AU - Wegener, D.

AU - Paulini, M.

AU - Reim, K.

AU - Volland, U.

AU - Wegener, H.

AU - Mundt, R.

AU - Reim, K.

AU - Schmidt-Parzefall, W.

AU - Funk, W.

AU - Stiewe, J.

AU - Werner, S.

AU - Ball, S.

AU - Gabriel, J. C.

AU - Geyer, C.

AU - Hölscher, A.

AU - Hofmann, W.

AU - Holzer, B.

AU - Khan, S.

AU - Knöpfle, K. T.

AU - Spengler, J.

AU - Britton, D. I.

AU - Charlesworth, C. E.K.

AU - Edwards, K. W.

AU - Kapitza, H.

AU - Krieger, P.

AU - Kutschke, R.

AU - MacFarlane, D. B.

AU - Orr, R. S.

AU - Patel, P. M.

AU - Prentice, J. D.

AU - Seidel, S. C.

AU - Tsipolitis, G.

AU - Tzamariudaki, K.

AU - Van de Water, R. G.

AU - Yoon, T. S.

AU - Reßing, D.

AU - Schael, S.

AU - Schubert, K. R.

AU - Strahl, K.

AU - Waldi, R.

AU - Weseler, S.

AU - Boštjančič, B.

AU - Kernel, G.

AU - Križan, P.

AU - Križnič, E.

AU - Podobnik, T.

AU - Živko, T.

AU - Cronström, H. I.

AU - Jönsson, L.

AU - Balagura, V.

AU - Danilov, M.

AU - Droutskoy, A.

AU - Fominykh, B.

AU - Golutvin, A.

AU - Gorelov, I.

AU - Ratnikov, F.

AU - Lubinov, V.

AU - Pakhlov, P.

AU - Rostovtsev, A.

AU - Semenov, A.

AU - Semenov, S.

AU - Shevchenko, V.

AU - Soloshenko, V.

AU - Tichomirov, I.

AU - Zaitsev, Yu

AU - Childers, R.

AU - Darden, C. W.

N1 - Funding Information: Supported by the German Bundesministerium f'tir Forschung und Technologie, under contract number 054DO51P. 2 Supported by the German Bundesministerium ftir Forschung und Technologie, under contract number 054ER 12P. Supported by the German Bundesministerium f'tir Forschung und Technotogie, under contract number 055HD21P. McGill University, Montreal, Quebec, Canada H3A 2T8. 5 University of Toronto, Toronto, Ontario, Canada M5S 1A7. 6 Carleton University, Ottawa, Ontario, Canada KI S 5B6. 7 Supported by the Natural Sciences and EngineeringR esearch Council, Canada. 8 Supported by the Gcrman Bundesministerium f'tir Forschung und Technologie, under contract number 054KA 17P. 9 Supported by the Department of Science and Technology of the Republic of Slovenia and the Internationales Biiro KfA, Jiilich. m Supported by the Swedish Research Council. ' Deceased. ,2 Supported by the US Department of Energy, under contract DE-AS09-80ER 10690.

PY - 1992/1/9

Y1 - 1992/1/9

N2 - Using the ARGUS detector at the e+e- storage ring DORIS II at DESY, we have observed parity violation in the decay Λ±c → Λπ±. We measure the coefficient of parity violation, αΛc, to be -0.96±0.42. In addition, we measure σ BR (Λ+c → Λπ+ and σ BR (Λ+c → Σ0π+) to be, respectively, (2.2±0.3±0.4) pb and (2.0±0.7±0.4) pb.

AB - Using the ARGUS detector at the e+e- storage ring DORIS II at DESY, we have observed parity violation in the decay Λ±c → Λπ±. We measure the coefficient of parity violation, αΛc, to be -0.96±0.42. In addition, we measure σ BR (Λ+c → Λπ+ and σ BR (Λ+c → Σ0π+) to be, respectively, (2.2±0.3±0.4) pb and (2.0±0.7±0.4) pb.

UR - http://www.scopus.com/inward/record.url?scp=0000244344&partnerID=8YFLogxK

U2 - 10.1016/0370-2693(92)90529-D

DO - 10.1016/0370-2693(92)90529-D

M3 - Article

AN - SCOPUS:0000244344

SN - 0370-2693

VL - 274

SP - 239

EP - 245

JO - Physics Letters B

JF - Physics Letters B

IS - 2

ER -

A measurement of asymmetry in the decay Λ_c⁺ → Λπ⁺

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