Further search for the decay K +→π +νν̄ in the momentum region P<195 MeV/c

S. Adler; M. Aoki; M. Ardebili; M. S. Atiya; A. O. Bazarko; P. C. Bergbusch; B. Bhuyan; E. W. Blackmore; D. A. Bryman; I. H. Chiang; M. R. Convery; M. V. Diwan; J. S. Frank; J. S. Haggerty; T. Inagaki; M. M. Ito; V. Jain; D. E. Jaffe; S. Kabe; M. Kazumori; S. H. Kettell; P. Kitching; M. Kobayashi; T. K. Komatsubara; A. Konaka; Y. Kuno; M. Kuriki; T. F. Kycia; K. K. Li; L. S. Littenberg; J. A. Macdonald; R. A. McPherson; P. D. Meyers; J. Mildenberger; N. Muramatsu; T. Nakano; C. Ng; S. Ng; T. Numao; A. Otomo; J. M. Poutissou; R. Poutissou; G. Redlinger; T. Sasaki; T. Sato; T. Shinkawa; F. C. Shoemaker; A. J.S. Smith; R. Soluk; J. R. Stone; R. C. Strand; S. Sugimoto; C. Witzig; Y. Yoshimura

doi:10.1103/PhysRevD.70.037102

Further search for the decay K ⁺→π ⁺νν̄ in the momentum region P<195 MeV/c

S. Adler, M. Aoki, M. Ardebili, M. S. Atiya, A. O. Bazarko, P. C. Bergbusch, B. Bhuyan, E. W. Blackmore, D. A. Bryman, I. H. Chiang, M. R. Convery, M. V. Diwan, J. S. Frank, J. S. Haggerty, T. Inagaki, M. M. Ito, V. Jain, D. E. Jaffe, S. Kabe, M. KazumoriS. H. Kettell, P. Kitching, M. Kobayashi, T. K. Komatsubara, A. Konaka, Y. Kuno, M. Kuriki, T. F. Kycia, K. K. Li, L. S. Littenberg, J. A. Macdonald, R. A. McPherson, P. D. Meyers, J. Mildenberger, N. Muramatsu, T. Nakano, C. Ng, S. Ng, T. Numao, A. Otomo, J. M. Poutissou, R. Poutissou, G. Redlinger, T. Sasaki, T. Sato, T. Shinkawa, F. C. Shoemaker, A. J.S. Smith, R. Soluk, J. R. Stone, R. C. Strand, S. Sugimoto, C. Witzig, Y. Yoshimura

Research Center for Electron Photon Science (ELPH)

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Abstract

We report the results of a search for the decay K ⁺→π ⁺νν in the kinematic region with π ⁺ momentum 140<P<195 MeV/c using the data collected by the E787 experiment at BNL. No events were observed. When combined with our previous search in this region, one candidate event with an expected background of 1.22±0.24 events results in a 90% C.L. upper limit of 2.2×10 ^-9 on the branching ratio of K ⁺→π ⁺νν. We also report improved limits on the rates of K ⁺→π ⁺X ⁰ and K ⁺→π ⁺X ¹X ² where X ⁰,X ¹X ² are hypothetical, massless, long-lived neutral particles.

Original language	English
Article number	037102
Pages (from-to)	037102-1-037102-4
Journal	Physical Review D
Volume	70
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.70.037102
Publication status	Published - 2004 Aug 15

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Adler, S., Aoki, M., Ardebili, M., Atiya, M. S., Bazarko, A. O., Bergbusch, P. C., Bhuyan, B., Blackmore, E. W., Bryman, D. A., Chiang, I. H., Convery, M. R., Diwan, M. V., Frank, J. S., Haggerty, J. S., Inagaki, T., Ito, M. M., Jain, V., Jaffe, D. E., Kabe, S., ... Yoshimura, Y. (2004). Further search for the decay K ⁺→π ⁺νν̄ in the momentum region P<195 MeV/c. Physical Review D, 70(3), 037102-1-037102-4. Article 037102. https://doi.org/10.1103/PhysRevD.70.037102

@article{940972d15dd24e7ca26ea81885dd044a,

title = "Further search for the decay K +→π +ν{\=ν} in the momentum region P<195 MeV/c",

abstract = "We report the results of a search for the decay K +→π +νν in the kinematic region with π + momentum 140<P<195 MeV/c using the data collected by the E787 experiment at BNL. No events were observed. When combined with our previous search in this region, one candidate event with an expected background of 1.22±0.24 events results in a 90% C.L. upper limit of 2.2×10 -9 on the branching ratio of K +→π +νν. We also report improved limits on the rates of K +→π +X 0 and K +→π +X 1X 2 where X 0,X 1X 2 are hypothetical, massless, long-lived neutral particles.",

author = "S. Adler and M. Aoki and M. Ardebili and Atiya, {M. S.} and Bazarko, {A. O.} and Bergbusch, {P. C.} and B. Bhuyan and Blackmore, {E. W.} and Bryman, {D. A.} and Chiang, {I. H.} and Convery, {M. R.} and Diwan, {M. V.} and Frank, {J. S.} and Haggerty, {J. S.} and T. Inagaki and Ito, {M. M.} and V. Jain and Jaffe, {D. E.} and S. Kabe and M. Kazumori and Kettell, {S. H.} and P. Kitching and M. Kobayashi and Komatsubara, {T. K.} and A. Konaka and Y. Kuno and M. Kuriki and Kycia, {T. F.} and Li, {K. K.} and Littenberg, {L. S.} and Macdonald, {J. A.} and McPherson, {R. A.} and Meyers, {P. D.} and J. Mildenberger and N. Muramatsu and T. Nakano and C. Ng and S. Ng and T. Numao and A. Otomo and Poutissou, {J. M.} and R. Poutissou and G. Redlinger and T. Sasaki and T. Sato and T. Shinkawa and Shoemaker, {F. C.} and Smith, {A. J.S.} and R. Soluk and Stone, {J. R.} and Strand, {R. C.} and S. Sugimoto and C. Witzig and Y. Yoshimura",

year = "2004",

month = aug,

day = "15",

doi = "10.1103/PhysRevD.70.037102",

language = "English",

volume = "70",

pages = "037102--1--037102--4",

journal = "Physical Review D",

issn = "0556-2821",

publisher = "American Institute of Physics",

number = "3",

}

Adler, S, Aoki, M, Ardebili, M, Atiya, MS, Bazarko, AO, Bergbusch, PC, Bhuyan, B, Blackmore, EW, Bryman, DA, Chiang, IH, Convery, MR, Diwan, MV, Frank, JS, Haggerty, JS, Inagaki, T, Ito, MM, Jain, V, Jaffe, DE, Kabe, S, Kazumori, M, Kettell, SH, Kitching, P, Kobayashi, M, Komatsubara, TK, Konaka, A, Kuno, Y, Kuriki, M, Kycia, TF, Li, KK, Littenberg, LS, Macdonald, JA, McPherson, RA, Meyers, PD, Mildenberger, J, Muramatsu, N, Nakano, T, Ng, C, Ng, S, Numao, T, Otomo, A, Poutissou, JM, Poutissou, R, Redlinger, G, Sasaki, T, Sato, T, Shinkawa, T, Shoemaker, FC, Smith, AJS, Soluk, R, Stone, JR, Strand, RC, Sugimoto, S, Witzig, C & Yoshimura, Y 2004, 'Further search for the decay K ⁺→π ⁺νν̄ in the momentum region P<195 MeV/c', Physical Review D, vol. 70, no. 3, 037102, pp. 037102-1-037102-4. https://doi.org/10.1103/PhysRevD.70.037102

TY - JOUR

T1 - Further search for the decay K +→π +νν̄ in the momentum region P<195 MeV/c

AU - Adler, S.

AU - Aoki, M.

AU - Ardebili, M.

AU - Atiya, M. S.

AU - Bazarko, A. O.

AU - Bergbusch, P. C.

AU - Bhuyan, B.

AU - Blackmore, E. W.

AU - Bryman, D. A.

AU - Chiang, I. H.

AU - Convery, M. R.

AU - Diwan, M. V.

AU - Frank, J. S.

AU - Haggerty, J. S.

AU - Inagaki, T.

AU - Ito, M. M.

AU - Jain, V.

AU - Jaffe, D. E.

AU - Kabe, S.

AU - Kazumori, M.

AU - Kettell, S. H.

AU - Kitching, P.

AU - Kobayashi, M.

AU - Komatsubara, T. K.

AU - Konaka, A.

AU - Kuno, Y.

AU - Kuriki, M.

AU - Kycia, T. F.

AU - Li, K. K.

AU - Littenberg, L. S.

AU - Macdonald, J. A.

AU - McPherson, R. A.

AU - Meyers, P. D.

AU - Mildenberger, J.

AU - Muramatsu, N.

AU - Nakano, T.

AU - Ng, C.

AU - Ng, S.

AU - Numao, T.

AU - Otomo, A.

AU - Poutissou, J. M.

AU - Poutissou, R.

AU - Redlinger, G.

AU - Sasaki, T.

AU - Sato, T.

AU - Shinkawa, T.

AU - Shoemaker, F. C.

AU - Smith, A. J.S.

AU - Soluk, R.

AU - Stone, J. R.

AU - Strand, R. C.

AU - Sugimoto, S.

AU - Witzig, C.

AU - Yoshimura, Y.

PY - 2004/8/15

Y1 - 2004/8/15

N2 - We report the results of a search for the decay K +→π +νν in the kinematic region with π + momentum 140<P<195 MeV/c using the data collected by the E787 experiment at BNL. No events were observed. When combined with our previous search in this region, one candidate event with an expected background of 1.22±0.24 events results in a 90% C.L. upper limit of 2.2×10 -9 on the branching ratio of K +→π +νν. We also report improved limits on the rates of K +→π +X 0 and K +→π +X 1X 2 where X 0,X 1X 2 are hypothetical, massless, long-lived neutral particles.

AB - We report the results of a search for the decay K +→π +νν in the kinematic region with π + momentum 140<P<195 MeV/c using the data collected by the E787 experiment at BNL. No events were observed. When combined with our previous search in this region, one candidate event with an expected background of 1.22±0.24 events results in a 90% C.L. upper limit of 2.2×10 -9 on the branching ratio of K +→π +νν. We also report improved limits on the rates of K +→π +X 0 and K +→π +X 1X 2 where X 0,X 1X 2 are hypothetical, massless, long-lived neutral particles.

UR - http://www.scopus.com/inward/record.url?scp=20844433695&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=20844433695&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.70.037102

DO - 10.1103/PhysRevD.70.037102

M3 - Article

AN - SCOPUS:20844433695

SN - 0556-2821

VL - 70

SP - 037102-1-037102-4

JO - Physical Review D

JF - Physical Review D

IS - 3

M1 - 037102

ER -

Further search for the decay K ⁺→π ⁺νν̄ in the momentum region P<195 MeV/c

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