Production of the charmed baryon Λc + in neutron-proton interactions - BIS-2 collaboration

M. Vecko, M. Novák, J. Hladký, J. Krásová, A. N. Aleev, V. A. Arefiev, V. P. Balandin, V. K. Berdyshev, V. K. Birulev, A. S. Chvyrov, I. I. Evsikov, T. S. Grigalashvili, B. N. Guskov, K. Hiller, I. M. Ivanchenko, M. N. Kapishin, N. N. Karpenko, D. A. Kirillov, I. G. Kosarev, V. R. Krastev & 69 others N. A. Kuzmin, M. F. Likhachev, A. L. Lyubimov, A. N. Maksimov, P. V. Moisens, A. N. Morozov, V. V. Palchik, A. V. Pose, A. Prokeš, L. V. Silvestrov, V. E. Simonov, L. A. Slepets, M. Smižanská, G. G. Takhtamyshev, N. V. Vlasov, Yu Klabun, H. Nowak, S. Nowak, H. E. Rysek, A. S. Pelousov, E. G. Devitsin, A. M. Fomenko, E. I. Malinovski, V. V. Pavlovskaya, S. Yu Potashov, S. V. Rusakov, P. A. Smirnov, Yu V. Soloviev, L. N. Shtarkov, A. R. Terkulov, Ya A. Vazdik, M. N. Voichishin, M. V. Zavertyaev, E. A. Chudakov, T. B. Progulova, V. J. Zayachky, D. T. Burilkov, P. K. Markov, G. G. Sultanov, P. T. Todorov, R. K. Trayanov, V. D. Cholakov, L. I. Abashidze, L. N. Abesalashvili, N. S. Amaglobeli, M. S. Chargeishvili, V. P. Dzhordzhadze, N. O. Kadagidze, V. D. Kekelidze, R. A. Kvatadze, N. L. Lomidze, G. V. Melitauri, G. I. Nikobadze, T. G. Pitskchelauri, G. T. Tatashvili, R. G. Shanidze, I. Ya Chasnikov, A. F. Kamburian, A. A. Loktionov, V. D. Nazarenko, Yu K. Potrebenikov, V. B. Sliusareva, V. I. Skorobogatova, J. Pazonyi, I. Veress, P. Zalán, O. Balea, T. Ponta, M. V. Petrov

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In this paper we study the inclusive production of the charmed baryon Λc + in interactions of 40-70 GeV/c neutrons with protons of hydrogen target. The experiment has been performed with the use of magnetic spectrometer BIS-2 located in the neutron beam of Serpukhov accelerator. The signal of Λc + is observed in the effective mass spectra of Λ°π+π+π-. After the removal of interactions occurring on the container of liquid hydrogen, the signal consists of 14 combinations corresponding to ≈4 standard deviations of background. Its mean value is 2262 MeV/c2, width of the bin containing signal is 20 MeV/c2. On the basis of this signal we determine the value of cross section of Λc + production times the branching ratio of its observed decay mode σ. Br (Λc + → Λ°π+π+π-)=0·26±0·11 μb in the kinematic region of xF>0·5 and pT

Original languageEnglish
Pages (from-to)297-307
Number of pages11
JournalCzechoslovak Journal of Physics
Volume39
Issue number3
DOIs
Publication statusPublished - Mar 1989

Fingerprint

baryons
neutrons
protons
interactions
liquid hydrogen
neutron beams
containers
mass spectra
standard deviation
accelerators
kinematics
spectrometers
cross sections
decay
hydrogen

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Vecko, M., Novák, M., Hladký, J., Krásová, J., Aleev, A. N., Arefiev, V. A., ... Petrov, M. V. (1989). Production of the charmed baryon Λc + in neutron-proton interactions - BIS-2 collaboration. Czechoslovak Journal of Physics, 39(3), 297-307. https://doi.org/10.1007/BF01597781

Production of the charmed baryon Λc + in neutron-proton interactions - BIS-2 collaboration. / Vecko, M.; Novák, M.; Hladký, J.; Krásová, J.; Aleev, A. N.; Arefiev, V. A.; Balandin, V. P.; Berdyshev, V. K.; Birulev, V. K.; Chvyrov, A. S.; Evsikov, I. I.; Grigalashvili, T. S.; Guskov, B. N.; Hiller, K.; Ivanchenko, I. M.; Kapishin, M. N.; Karpenko, N. N.; Kirillov, D. A.; Kosarev, I. G.; Krastev, V. R.; Kuzmin, N. A.; Likhachev, M. F.; Lyubimov, A. L.; Maksimov, A. N.; Moisens, P. V.; Morozov, A. N.; Palchik, V. V.; Pose, A. V.; Prokeš, A.; Silvestrov, L. V.; Simonov, V. E.; Slepets, L. A.; Smižanská, M.; Takhtamyshev, G. G.; Vlasov, N. V.; Klabun, Yu; Nowak, H.; Nowak, S.; Rysek, H. E.; Pelousov, A. S.; Devitsin, E. G.; Fomenko, A. M.; Malinovski, E. I.; Pavlovskaya, V. V.; Potashov, S. Yu; Rusakov, S. V.; Smirnov, P. A.; Soloviev, Yu V.; Shtarkov, L. N.; Terkulov, A. R.; Vazdik, Ya A.; Voichishin, M. N.; Zavertyaev, M. V.; Chudakov, E. A.; Progulova, T. B.; Zayachky, V. J.; Burilkov, D. T.; Markov, P. K.; Sultanov, G. G.; Todorov, P. T.; Trayanov, R. K.; Cholakov, V. D.; Abashidze, L. I.; Abesalashvili, L. N.; Amaglobeli, N. S.; Chargeishvili, M. S.; Dzhordzhadze, V. P.; Kadagidze, N. O.; Kekelidze, V. D.; Kvatadze, R. A.; Lomidze, N. L.; Melitauri, G. V.; Nikobadze, G. I.; Pitskchelauri, T. G.; Tatashvili, G. T.; Shanidze, R. G.; Chasnikov, I. Ya; Kamburian, A. F.; Loktionov, A. A.; Nazarenko, V. D.; Potrebenikov, Yu K.; Sliusareva, V. B.; Skorobogatova, V. I.; Pazonyi, J.; Veress, I.; Zalán, P.; Balea, O.; Ponta, T.; Petrov, M. V.

In: Czechoslovak Journal of Physics, Vol. 39, No. 3, 03.1989, p. 297-307.

Research output: Contribution to journalArticle

Vecko, M, Novák, M, Hladký, J, Krásová, J, Aleev, AN, Arefiev, VA, Balandin, VP, Berdyshev, VK, Birulev, VK, Chvyrov, AS, Evsikov, II, Grigalashvili, TS, Guskov, BN, Hiller, K, Ivanchenko, IM, Kapishin, MN, Karpenko, NN, Kirillov, DA, Kosarev, IG, Krastev, VR, Kuzmin, NA, Likhachev, MF, Lyubimov, AL, Maksimov, AN, Moisens, PV, Morozov, AN, Palchik, VV, Pose, AV, Prokeš, A, Silvestrov, LV, Simonov, VE, Slepets, LA, Smižanská, M, Takhtamyshev, GG, Vlasov, NV, Klabun, Y, Nowak, H, Nowak, S, Rysek, HE, Pelousov, AS, Devitsin, EG, Fomenko, AM, Malinovski, EI, Pavlovskaya, VV, Potashov, SY, Rusakov, SV, Smirnov, PA, Soloviev, YV, Shtarkov, LN, Terkulov, AR, Vazdik, YA, Voichishin, MN, Zavertyaev, MV, Chudakov, EA, Progulova, TB, Zayachky, VJ, Burilkov, DT, Markov, PK, Sultanov, GG, Todorov, PT, Trayanov, RK, Cholakov, VD, Abashidze, LI, Abesalashvili, LN, Amaglobeli, NS, Chargeishvili, MS, Dzhordzhadze, VP, Kadagidze, NO, Kekelidze, VD, Kvatadze, RA, Lomidze, NL, Melitauri, GV, Nikobadze, GI, Pitskchelauri, TG, Tatashvili, GT, Shanidze, RG, Chasnikov, IY, Kamburian, AF, Loktionov, AA, Nazarenko, VD, Potrebenikov, YK, Sliusareva, VB, Skorobogatova, VI, Pazonyi, J, Veress, I, Zalán, P, Balea, O, Ponta, T & Petrov, MV 1989, 'Production of the charmed baryon Λc + in neutron-proton interactions - BIS-2 collaboration', Czechoslovak Journal of Physics, vol. 39, no. 3, pp. 297-307. https://doi.org/10.1007/BF01597781
Vecko, M. ; Novák, M. ; Hladký, J. ; Krásová, J. ; Aleev, A. N. ; Arefiev, V. A. ; Balandin, V. P. ; Berdyshev, V. K. ; Birulev, V. K. ; Chvyrov, A. S. ; Evsikov, I. I. ; Grigalashvili, T. S. ; Guskov, B. N. ; Hiller, K. ; Ivanchenko, I. M. ; Kapishin, M. N. ; Karpenko, N. N. ; Kirillov, D. A. ; Kosarev, I. G. ; Krastev, V. R. ; Kuzmin, N. A. ; Likhachev, M. F. ; Lyubimov, A. L. ; Maksimov, A. N. ; Moisens, P. V. ; Morozov, A. N. ; Palchik, V. V. ; Pose, A. V. ; Prokeš, A. ; Silvestrov, L. V. ; Simonov, V. E. ; Slepets, L. A. ; Smižanská, M. ; Takhtamyshev, G. G. ; Vlasov, N. V. ; Klabun, Yu ; Nowak, H. ; Nowak, S. ; Rysek, H. E. ; Pelousov, A. S. ; Devitsin, E. G. ; Fomenko, A. M. ; Malinovski, E. I. ; Pavlovskaya, V. V. ; Potashov, S. Yu ; Rusakov, S. V. ; Smirnov, P. A. ; Soloviev, Yu V. ; Shtarkov, L. N. ; Terkulov, A. R. ; Vazdik, Ya A. ; Voichishin, M. N. ; Zavertyaev, M. V. ; Chudakov, E. A. ; Progulova, T. B. ; Zayachky, V. J. ; Burilkov, D. T. ; Markov, P. K. ; Sultanov, G. G. ; Todorov, P. T. ; Trayanov, R. K. ; Cholakov, V. D. ; Abashidze, L. I. ; Abesalashvili, L. N. ; Amaglobeli, N. S. ; Chargeishvili, M. S. ; Dzhordzhadze, V. P. ; Kadagidze, N. O. ; Kekelidze, V. D. ; Kvatadze, R. A. ; Lomidze, N. L. ; Melitauri, G. V. ; Nikobadze, G. I. ; Pitskchelauri, T. G. ; Tatashvili, G. T. ; Shanidze, R. G. ; Chasnikov, I. Ya ; Kamburian, A. F. ; Loktionov, A. A. ; Nazarenko, V. D. ; Potrebenikov, Yu K. ; Sliusareva, V. B. ; Skorobogatova, V. I. ; Pazonyi, J. ; Veress, I. ; Zalán, P. ; Balea, O. ; Ponta, T. ; Petrov, M. V. / Production of the charmed baryon Λc + in neutron-proton interactions - BIS-2 collaboration. In: Czechoslovak Journal of Physics. 1989 ; Vol. 39, No. 3. pp. 297-307.
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abstract = "In this paper we study the inclusive production of the charmed baryon Λc + in interactions of 40-70 GeV/c neutrons with protons of hydrogen target. The experiment has been performed with the use of magnetic spectrometer BIS-2 located in the neutron beam of Serpukhov accelerator. The signal of Λc + is observed in the effective mass spectra of Λ°π+π+π-. After the removal of interactions occurring on the container of liquid hydrogen, the signal consists of 14 combinations corresponding to ≈4 standard deviations of background. Its mean value is 2262 MeV/c2, width of the bin containing signal is 20 MeV/c2. On the basis of this signal we determine the value of cross section of Λc + production times the branching ratio of its observed decay mode σ. Br (Λc + → Λ°π+π+π-)=0·26±0·11 μb in the kinematic region of xF>0·5 and pT",
author = "M. Vecko and M. Nov{\'a}k and J. Hladk{\'y} and J. Kr{\'a}sov{\'a} and Aleev, {A. N.} and Arefiev, {V. A.} and Balandin, {V. P.} and Berdyshev, {V. K.} and Birulev, {V. K.} and Chvyrov, {A. S.} and Evsikov, {I. I.} and Grigalashvili, {T. S.} and Guskov, {B. N.} and K. Hiller and Ivanchenko, {I. M.} and Kapishin, {M. N.} and Karpenko, {N. N.} and Kirillov, {D. A.} and Kosarev, {I. G.} and Krastev, {V. R.} and Kuzmin, {N. A.} and Likhachev, {M. F.} and Lyubimov, {A. L.} and Maksimov, {A. N.} and Moisens, {P. V.} and Morozov, {A. N.} and Palchik, {V. V.} and Pose, {A. V.} and A. Prokeš and Silvestrov, {L. V.} and Simonov, {V. E.} and Slepets, {L. A.} and M. Smižansk{\'a} and Takhtamyshev, {G. G.} and Vlasov, {N. V.} and Yu Klabun and H. Nowak and S. Nowak and Rysek, {H. E.} and Pelousov, {A. S.} and Devitsin, {E. G.} and Fomenko, {A. M.} and Malinovski, {E. I.} and Pavlovskaya, {V. V.} and Potashov, {S. Yu} and Rusakov, {S. V.} and Smirnov, {P. A.} and Soloviev, {Yu V.} and Shtarkov, {L. N.} and Terkulov, {A. R.} and Vazdik, {Ya A.} and Voichishin, {M. N.} and Zavertyaev, {M. V.} and Chudakov, {E. A.} and Progulova, {T. B.} and Zayachky, {V. J.} and Burilkov, {D. T.} and Markov, {P. K.} and Sultanov, {G. G.} and Todorov, {P. T.} and Trayanov, {R. K.} and Cholakov, {V. D.} and Abashidze, {L. I.} and Abesalashvili, {L. N.} and Amaglobeli, {N. S.} and Chargeishvili, {M. S.} and Dzhordzhadze, {V. P.} and Kadagidze, {N. O.} and Kekelidze, {V. D.} and Kvatadze, {R. A.} and Lomidze, {N. L.} and Melitauri, {G. V.} and Nikobadze, {G. I.} and Pitskchelauri, {T. G.} and Tatashvili, {G. T.} and Shanidze, {R. G.} and Chasnikov, {I. Ya} and Kamburian, {A. F.} and Loktionov, {A. A.} and Nazarenko, {V. D.} and Potrebenikov, {Yu K.} and Sliusareva, {V. B.} and Skorobogatova, {V. I.} and J. Pazonyi and I. Veress and P. Zal{\'a}n and O. Balea and T. Ponta and Petrov, {M. V.}",
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month = "3",
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TY - JOUR

T1 - Production of the charmed baryon Λc + in neutron-proton interactions - BIS-2 collaboration

AU - Vecko, M.

AU - Novák, M.

AU - Hladký, J.

AU - Krásová, J.

AU - Aleev, A. N.

AU - Arefiev, V. A.

AU - Balandin, V. P.

AU - Berdyshev, V. K.

AU - Birulev, V. K.

AU - Chvyrov, A. S.

AU - Evsikov, I. I.

AU - Grigalashvili, T. S.

AU - Guskov, B. N.

AU - Hiller, K.

AU - Ivanchenko, I. M.

AU - Kapishin, M. N.

AU - Karpenko, N. N.

AU - Kirillov, D. A.

AU - Kosarev, I. G.

AU - Krastev, V. R.

AU - Kuzmin, N. A.

AU - Likhachev, M. F.

AU - Lyubimov, A. L.

AU - Maksimov, A. N.

AU - Moisens, P. V.

AU - Morozov, A. N.

AU - Palchik, V. V.

AU - Pose, A. V.

AU - Prokeš, A.

AU - Silvestrov, L. V.

AU - Simonov, V. E.

AU - Slepets, L. A.

AU - Smižanská, M.

AU - Takhtamyshev, G. G.

AU - Vlasov, N. V.

AU - Klabun, Yu

AU - Nowak, H.

AU - Nowak, S.

AU - Rysek, H. E.

AU - Pelousov, A. S.

AU - Devitsin, E. G.

AU - Fomenko, A. M.

AU - Malinovski, E. I.

AU - Pavlovskaya, V. V.

AU - Potashov, S. Yu

AU - Rusakov, S. V.

AU - Smirnov, P. A.

AU - Soloviev, Yu V.

AU - Shtarkov, L. N.

AU - Terkulov, A. R.

AU - Vazdik, Ya A.

AU - Voichishin, M. N.

AU - Zavertyaev, M. V.

AU - Chudakov, E. A.

AU - Progulova, T. B.

AU - Zayachky, V. J.

AU - Burilkov, D. T.

AU - Markov, P. K.

AU - Sultanov, G. G.

AU - Todorov, P. T.

AU - Trayanov, R. K.

AU - Cholakov, V. D.

AU - Abashidze, L. I.

AU - Abesalashvili, L. N.

AU - Amaglobeli, N. S.

AU - Chargeishvili, M. S.

AU - Dzhordzhadze, V. P.

AU - Kadagidze, N. O.

AU - Kekelidze, V. D.

AU - Kvatadze, R. A.

AU - Lomidze, N. L.

AU - Melitauri, G. V.

AU - Nikobadze, G. I.

AU - Pitskchelauri, T. G.

AU - Tatashvili, G. T.

AU - Shanidze, R. G.

AU - Chasnikov, I. Ya

AU - Kamburian, A. F.

AU - Loktionov, A. A.

AU - Nazarenko, V. D.

AU - Potrebenikov, Yu K.

AU - Sliusareva, V. B.

AU - Skorobogatova, V. I.

AU - Pazonyi, J.

AU - Veress, I.

AU - Zalán, P.

AU - Balea, O.

AU - Ponta, T.

AU - Petrov, M. V.

PY - 1989/3

Y1 - 1989/3

N2 - In this paper we study the inclusive production of the charmed baryon Λc + in interactions of 40-70 GeV/c neutrons with protons of hydrogen target. The experiment has been performed with the use of magnetic spectrometer BIS-2 located in the neutron beam of Serpukhov accelerator. The signal of Λc + is observed in the effective mass spectra of Λ°π+π+π-. After the removal of interactions occurring on the container of liquid hydrogen, the signal consists of 14 combinations corresponding to ≈4 standard deviations of background. Its mean value is 2262 MeV/c2, width of the bin containing signal is 20 MeV/c2. On the basis of this signal we determine the value of cross section of Λc + production times the branching ratio of its observed decay mode σ. Br (Λc + → Λ°π+π+π-)=0·26±0·11 μb in the kinematic region of xF>0·5 and pT

AB - In this paper we study the inclusive production of the charmed baryon Λc + in interactions of 40-70 GeV/c neutrons with protons of hydrogen target. The experiment has been performed with the use of magnetic spectrometer BIS-2 located in the neutron beam of Serpukhov accelerator. The signal of Λc + is observed in the effective mass spectra of Λ°π+π+π-. After the removal of interactions occurring on the container of liquid hydrogen, the signal consists of 14 combinations corresponding to ≈4 standard deviations of background. Its mean value is 2262 MeV/c2, width of the bin containing signal is 20 MeV/c2. On the basis of this signal we determine the value of cross section of Λc + production times the branching ratio of its observed decay mode σ. Br (Λc + → Λ°π+π+π-)=0·26±0·11 μb in the kinematic region of xF>0·5 and pT

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U2 - 10.1007/BF01597781

DO - 10.1007/BF01597781

M3 - Article

VL - 39

SP - 297

EP - 307

JO - Czechoslovak Journal of Physics

JF - Czechoslovak Journal of Physics

SN - 0011-4626

IS - 3

ER -