Measurement of the π-→3π0n total cross section from threshold to 0.75 GeV/c

A. Starostin; B. M K Nefkens; D. M. Manley; V. V. Abaev; C. E. Allgower; V. Bekrenev; W. J. Briscoe; M. Clajus; J. R. Comfort; K. Craig; D. Grosnick; D. Isenhower; N. Knecht; D. D. Koetke; A. A. Koulbardis; N. G. Kozlenko; S. Kruglov; G. Lolos; I. V. Lopatin; R. Manweiler; A. Marušić; S. McDonald; J. Olmsted; Z. Papandreou; D. C. Peaslee; N. Phaisangittisakul; S. Prakhov; J. W. Price; A. F. Ramirez; M. Sadler; A. Shafi; H. Spinka; T. D S Stanislaus; H. M. Staudenmaier; I. Supek; W. B. Tippens

doi:10.1103/PhysRevC.67.068201

Measurement of the π^-→3π⁰n total cross section from threshold to 0.75 GeV/c

A. Starostin, B. M K Nefkens, D. M. Manley, V. V. Abaev, C. E. Allgower, V. Bekrenev, W. J. Briscoe, M. Clajus, J. R. Comfort, K. Craig, D. Grosnick, D. Isenhower, N. Knecht, D. D. Koetke, A. A. Koulbardis, N. G. Kozlenko, S. Kruglov, G. Lolos, I. V. Lopatin, R. ManweilerA. Marušić, S. McDonald, J. Olmsted, Z. Papandreou, D. C. Peaslee, N. Phaisangittisakul, S. Prakhov, J. W. Price, A. F. Ramirez, M. Sadler, A. Shafi, H. Spinka, T. D S Stanislaus, H. M. Staudenmaier, I. Supek, W. B. Tippens

Physics

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Abstract

We report a new measurement of the π^-p→3π ⁰ total cross section from threshold to p_π=0.75 GeV/c. The cross section near the N (1535)1/2π^- resonance is only a few μb after subtracting the large η3π₀ background associated with ππ^-p→n. A simple analysis of our data results in the estimated branching fraction B[S₁₁→πN(1440)1/2⁺ = (8±2)%. This is the first such estimate obtained with a three-pion production reaction.

Original language	English (US)
Article number	068201
Pages (from-to)	682011-682014
Number of pages	4
Journal	Physical Review C - Nuclear Physics
Volume	67
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.67.068201
State	Published - Jun 2003

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.67.068201

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Starostin, A., Nefkens, B. M. K., Manley, D. M., Abaev, V. V., Allgower, C. E., Bekrenev, V., Briscoe, W. J., Clajus, M., Comfort, J. R., Craig, K., Grosnick, D., Isenhower, D., Knecht, N., Koetke, D. D., Koulbardis, A. A., Kozlenko, N. G., Kruglov, S., Lolos, G., Lopatin, I. V., ... Tippens, W. B. (2003). Measurement of the π^-→3π⁰n total cross section from threshold to 0.75 GeV/c. Physical Review C - Nuclear Physics, 67(6), 682011-682014. Article 068201. https://doi.org/10.1103/PhysRevC.67.068201

Starostin, A, Nefkens, BMK, Manley, DM, Abaev, VV, Allgower, CE, Bekrenev, V, Briscoe, WJ, Clajus, M, Comfort, JR, Craig, K, Grosnick, D, Isenhower, D, Knecht, N, Koetke, DD, Koulbardis, AA, Kozlenko, NG, Kruglov, S, Lolos, G, Lopatin, IV, Manweiler, R, Marušić, A, McDonald, S, Olmsted, J, Papandreou, Z, Peaslee, DC, Phaisangittisakul, N, Prakhov, S, Price, JW, Ramirez, AF, Sadler, M, Shafi, A, Spinka, H, Stanislaus, TDS, Staudenmaier, HM, Supek, I & Tippens, WB 2003, 'Measurement of the π^-→3π⁰n total cross section from threshold to 0.75 GeV/c', Physical Review C - Nuclear Physics, vol. 67, no. 6, 068201, pp. 682011-682014. https://doi.org/10.1103/PhysRevC.67.068201

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title = "Measurement of the π-→3π0n total cross section from threshold to 0.75 GeV/c",

abstract = "We report a new measurement of the π-p→3π 0 total cross section from threshold to pπ=0.75 GeV/c. The cross section near the N (1535)1/2π- resonance is only a few μb after subtracting the large η3π0 background associated with ππ-p→n. A simple analysis of our data results in the estimated branching fraction B[S11→πN(1440)1/2+ = (8±2)%. This is the first such estimate obtained with a three-pion production reaction.",

author = "A. Starostin and Nefkens, {B. M K} and Manley, {D. M.} and Abaev, {V. V.} and Allgower, {C. E.} and V. Bekrenev and Briscoe, {W. J.} and M. Clajus and Comfort, {J. R.} and K. Craig and D. Grosnick and D. Isenhower and N. Knecht and Koetke, {D. D.} and Koulbardis, {A. A.} and Kozlenko, {N. G.} and S. Kruglov and G. Lolos and Lopatin, {I. V.} and R. Manweiler and A. Maru{\v s}i{\'c} and S. McDonald and J. Olmsted and Z. Papandreou and Peaslee, {D. C.} and N. Phaisangittisakul and S. Prakhov and Price, {J. W.} and Ramirez, {A. F.} and M. Sadler and A. Shafi and H. Spinka and Stanislaus, {T. D S} and Staudenmaier, {H. M.} and I. Supek and Tippens, {W. B.}",

year = "2003",

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doi = "10.1103/PhysRevC.67.068201",

language = "English (US)",

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T1 - Measurement of the π-→3π0n total cross section from threshold to 0.75 GeV/c

AU - Starostin, A.

AU - Nefkens, B. M K

AU - Manley, D. M.

AU - Abaev, V. V.

AU - Allgower, C. E.

AU - Bekrenev, V.

AU - Briscoe, W. J.

AU - Clajus, M.

AU - Comfort, J. R.

AU - Craig, K.

AU - Grosnick, D.

AU - Isenhower, D.

AU - Knecht, N.

AU - Koetke, D. D.

AU - Koulbardis, A. A.

AU - Kozlenko, N. G.

AU - Kruglov, S.

AU - Lolos, G.

AU - Lopatin, I. V.

AU - Manweiler, R.

AU - Marušić, A.

AU - McDonald, S.

AU - Olmsted, J.

AU - Papandreou, Z.

AU - Peaslee, D. C.

AU - Phaisangittisakul, N.

AU - Prakhov, S.

AU - Price, J. W.

AU - Ramirez, A. F.

AU - Sadler, M.

AU - Shafi, A.

AU - Spinka, H.

AU - Stanislaus, T. D S

AU - Staudenmaier, H. M.

AU - Supek, I.

AU - Tippens, W. B.

PY - 2003/6

Y1 - 2003/6

N2 - We report a new measurement of the π-p→3π 0 total cross section from threshold to pπ=0.75 GeV/c. The cross section near the N (1535)1/2π- resonance is only a few μb after subtracting the large η3π0 background associated with ππ-p→n. A simple analysis of our data results in the estimated branching fraction B[S11→πN(1440)1/2+ = (8±2)%. This is the first such estimate obtained with a three-pion production reaction.

AB - We report a new measurement of the π-p→3π 0 total cross section from threshold to pπ=0.75 GeV/c. The cross section near the N (1535)1/2π- resonance is only a few μb after subtracting the large η3π0 background associated with ππ-p→n. A simple analysis of our data results in the estimated branching fraction B[S11→πN(1440)1/2+ = (8±2)%. This is the first such estimate obtained with a three-pion production reaction.

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JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 6

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ER -

Measurement of the π^-→3π⁰n total cross section from threshold to 0.75 GeV/c

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