Search Results - "Littenberg, L. S"

Improved Measurement of the π→eν Branching Ratio by Aguilar-Arevalo, A, Aoki, M, Blecher, M, Britton, D I, Bryman, D A, Vom Bruch, D, Chen, S, Comfort, J, Ding, M, Doria, L, Cuen-Rochin, S, Gumplinger, P, Hussein, A, Igarashi, Y, Ito, S, Kettell, S H, Kurchaninov, L, Littenberg, L S, Malbrunot, C, Mischke, R E, Numao, T, Protopopescu, D, Sher, A, Sullivan, T, Vavilov, D, Yamada, K

“…A new measurement of the branching ratio R_{e/μ}=Γ(π^{+}→e^{+}ν+π^{+}→e^{+}νγ)/Γ(π^{+}→μ^{+}ν+π^{+}→μ^{+}νγ) resulted in…”
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Initial results from the PIENU experiment by Sullivan, T., Aguilar-Arevalo, A., Aoki, M., Blecher, M., Britton, D. I., Bryman, D. A., Bruch, D. vom, Chen, S., Comfort, J., Cuen-Rochin, S., Doria, L., Gumplinger, P., Hussein, A., Igarashi, Y., Ito, S., Kettell, S. H., Kurchaninov, L., Littenberg, L. S., Malbrunot, C., Mischke, R. E., Numao, T., Protopopescu, D., Sher, A., Vavilov, D.

“…The pion branching ratio, R π = Γ ( π + → e + ν e + π + → e + ν e γ ) Γ ( π + → μ + ν μ + π + → μ + ν μ γ ) , provides a sensitive test of lepton universality…”
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Search for heavy neutrinos in K + → μ + ν H decays by Artamonov, A. V., Bassalleck, B., Bhuyan, B., Blackmore, E. W., Bryman, D. A., Chen, S., Chiang, I-H., Christidi, I.-A., Cooper, P. S., Diwan, M. V., Frank, J. S., Fujiwara, T., Hu, J., Ives, J., Izmaylov, A. O., Jaffe, D. E., Kabe, S., Kettell, S. H., Khabibullin, M. M., Khotjantsev, A. N., Kitching, P., Kobayashi, M., Komatsubara, T. K., Konaka, A., Kudenko, Yu. G., Landsberg, L. G., Lewis, B., Li, K. K., Littenberg, L. S., Macdonald, J. A., Mildenberger, J., Mineev, O. V., Miyajima, M., Mizouchi, K., Muramatsu, N., Nakano, T., Nomachi, M., Nomura, T., Numao, T., Obraztsov, V. F., Omata, K., Patalakha, D. I., Poutissou, R., Redlinger, G., Sato, T., Sekiguchi, T., Shaikhiev, A. T., Shinkawa, T., Strand, R. C., Sugimoto, S., Tamagawa, Y., Tschirhart, R., Tsunemi, T., Vavilov, D. V., Viren, B., Wang, Zhe, Wei, Hanyu, Yershov, N. V., Yoshimura, Y., Yoshioka, T.

“…Here, evidence of a heavy neutrino, νH, in the K+→μ+νH decays was sought using the E949 experimental data with an exposure of 1.70 × 1012 stopped kaons. With…”
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Search for heavy neutrinos in π → μν decay by Aguilar-Arevalo, A., Aoki, M., Blecher, M., Britton, D.I., vom Bruch, D., Bryman, D.A., Chen, S., Comfort, J., Doria, L., Cuen-Rochin, S., Gumplinger, P., Hussein, A., Igarashi, Y., Ito, S., Kettell, S.H., Kurchaninov, L., Littenberg, L.S., Malbrunot, C., Mischke, R.E., Numao, T., Protopopescu, D., Sher, A., Sullivan, T., Vavilov, D.

“…In the present work of the PIENU experiment, heavy neutrinos were sought in pion decays π+→μ+ν at rest by examining the observed muon energy spectrum for extra…”
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Extruded plastic counters with WLS fiber readout by Kudenko, Yu.G., Littenberg, L.S., Mayatski, V.A., Mineev, O.V., Yershov, N.V.

“…Extruded plastic scintillation counters with WLS fiber readout are described. For a 7 mm thick counter with 4.3 m long double-clad fibers spaced at 7 mm a…”
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New Measurement of the K + → π + ν ν ¯ Branching Ratio by Artamonov, A. V., Bassalleck, B., Bhuyan, B., Blackmore, E. W., Bryman, D. A., Chen, S., Chiang, I-H., Christidi, I.-A., Cooper, P. S., Diwan, M. V., Frank, J. S., Fujiwara, T., Hu, J., Ives, J., Jaffe, D. E., Kabe, S., Kettell, S. H., Khabibullin, M. M., Khotjantsev, A. N., Kitching, P., Kobayashi, M., Komatsubara, T. K., Konaka, A., Kozhevnikov, A. P., Kudenko, Yu. G., Kushnirenko, A., Landsberg, L. G., Lewis, B., Li, K. K., Littenberg, L. S., Macdonald, J. A., Mildenberger, J., Mineev, O. V., Miyajima, M., Mizouchi, K., Mukhin, V. A., Muramatsu, N., Nakano, T., Nomachi, M., Nomura, T., Numao, T., Obraztsov, V. F., Omata, K., Patalakha, D. I., Petrenko, S. V., Poutissou, R., Ramberg, E. J., Redlinger, G., Sato, T., Sekiguchi, T., Shinkawa, T., Strand, R. C., Sugimoto, S., Tamagawa, Y., Tschirhart, R., Tsunemi, T., Vavilov, D. V., Viren, B., Wang, Zhe, Yershov, N. V., Yoshimura, Y., Yoshioka, T.

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Upper bounds on lepton-number violating meson decays by LITTENBERG, L. S, SHROCK, R. E

“…From a retroactive data analysis, we obtain the first upper bound on the {vert bar}{Delta}{ital L}{vert bar}=2 kaon decay {ital K}{sup +}{r arrow}{pi}{sup…”
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Observation of the Decay K + → π + γ γ by Kitching, P., Nakano, T., Rozon, M., Soluk, R., Adler, S., Atiya, M. S., Chiang, I-H., Frank, J. S., Haggerty, J. S., Kycia, T. F., Li, K. K., Littenberg, L. S., Sambamurti, A., Stevens, A., Strand, R. C., Witzig, C., Louis, W. C., Akerib, D. S., Ardebili, M., Convery, M., Ito, M. M., Marlow, D. R., McPherson, R. A, Meyers, P. D., Selen, M. A., Shoemaker, F. C., Smith, A. J. S., Blackmore, E. W., Bryman, D. A., Felawka, L., Konaka, A., Kuno, Y., Macdonald, J. A., Numao, T., Padley, P., Poutissou, J.-M., Poutissou, R., Roy, J., Turcot, A. S.

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Observation of the Decay K + → π + μ + μ by Adler, S., Atiya, M. S., Chiang, I-H., Frank, J. S., Haggerty, J. S., Kycia, T. F., Li, K. K., Littenberg, L. S., Sambamurti, A., Stevens, A., Strand, R. C., Witzig, C., Louis, W. C., Akerib, D. S., Ardebili, M., Convery, M., Ito, M. M., Marlow, D. R., McPherson, R., Meyers, P. D., Selen, M. A., Shoemaker, F. C., Smith, A. J. S., Blackmore, E. W., Bryman, D. A., Felawka, L., Konaka, A., Kuno, Y., Macdonald, J. A., Numao, T., Padley, P., Poutissou, J.-M., Poutissou, R., Roy, J., Turcot, A. S., Kitching, P., Nakano, T., Rozon, M., Soluk, R.

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Performance of fine-mesh photomultiplier tubes designed for an undoped-CsI endcap photon detector by Komatsubara, T.K., Morimoto, T., Omata, K., Sugimoto, S., Tauchi, K., Inagaki, T., Kabe, S., Kobayashi, M., Kuno, Y., Sato, T., Shinkawa, T., Yoshimura, Y., Chiang, I.-H., Kettell, S., Li, K.K., Littenberg, L.S., Yamashita, A., Suzuki, H., Suzuki, S.

“…We have developed two types of fine-mesh photomultiplier tubes for an undoped-CsI endcap photon detector installed in a strong axial magnetic field. These…”
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Upper limit on the decay K + → e + ν μ + μ by Adler, S., Atiya, M. S., Chiang, I-H., Frank, J. S., Haggerty, J. S., Kycia, T. F., Li, K. K., Littenberg, L. S., Sambamurti, A., Stevens, A., Strand, R. C., Witzig, C., Louis, W. C., Akerib, D. S., Ardebili, M., Convery, M., Ito, M. M., Marlow, D. R., McPherson, R., Meyers, P. D., Selen, M. A., Shoemaker, F. C., Smith, A. J. S., Blackmore, E. W., Bryman, D. A., Felawka, L., Konaka, A., Kuno, Y., Macdonald, J. A., Numao, T., Padley, P., Poutissou, R. Poutissou, J.-M., Roy, J., Turcot, A. S., Kitching, P., Nakano, T., Rozon, M., Soluk, R.

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Search for the decay pi 0--> gamma +X by Atiya, MS, Chiang, IH, Frank, JS, Haggerty, JS, Ito, MM, Kycia, TF, Li, KK, Littenberg, LS, Stevens, AJ, Sambamurti, A, Strand, RC, Louis, WC, Akerib, DS, Marlow, DR, Meyers, PD, Selen, MA, Shoemaker, FC, Smith, AJ, Blackmore, EW, Bryman, DA, Felawka, L, Kitching, P, Konaka, A, Kuno, Y, Macdonald, JA, Numao, T, Padley, P, Poutissou, JM, Poutissou, R, Roy, J, Turcot, AS

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Further Search for the Decay K + → π + ν ν by Adler, S., Atiya, M. S., Chiang, I-H., Diwan, M. V., Frank, J. S., Haggerty, J. S., Jain, V., Kettell, S. H., Kycia, T. F., Li, K. K., Littenberg, L. S., Ng, C., Strand, R. C., Witzig, C., Kazumori, M., Komatsubara, T. K., Kuriki, M., Muramatsu, N., Otomo, A., Sugimoto, S., Inagaki, T., Kabe, S., Kobayashi, M., Kuno, Y., Sato, T., Shinkawa, T., Yoshimura, Y., Kishi, Y., Nakano, T., Sasaki, T., Ardebili, M., Bazarko, A. O., Convery, M. R., Ito, M. M., Marlow, D. R., McPherson, R. A., Meyers, P. D., Shoemaker, F. C., Smith, A. J. S., Stone, J. R., Aoki, M., Bergbusch, P. C., Blackmore, E. W., Bryman, D. A., Konaka, A., Macdonald, J. A., Mildenberger, J., Numao, T., Padley, P., Poutissou, J.-M., Poutissou, R., Redlinger, G., Kitching, P., Soluk, R.

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Study of the decay K+ => pi+,nu,nubar in the momentum region 140<Ppi<199 MeV/c by E949 Collaboration, Artamonov, A. V, Bassalleck, B, Bhuyan, B, Blackmore, E. W, Bryman, D. A, Chen, S, Chiang, I-H, Christidi, I. -A, Cooper, P. S, Diwan, M. V, Frank, J. S, Fujiwara, T, Hu, J, Ives, J, Jaffe, D. E, Kabe, S, Kettell, S. H, Khabibullin, M. M, Khotjantsev, A. N, Kitching, P, Kobayashi, M, Komatsubara, T. K, Konaka, A, Kozhevnikov, A. P, Kudenko, Yu. G, Kushnirenko, A, Landsberg, L. G, Lewis, B, Li, K. K, Littenberg, L. S, Macdonald, J. A, Mildenberger, J, Mineev, O. V, Miyajima, M, Mizouchi, K, Mukhin, V. A, Muramatsu, N, Nakano, T, Nomachi, M, Nomura, T, Numao, T, Obraztsov, V. F, Omata, K, Patalakha, D. I, Petrenko, S. V, Poutissou, R, Ramberg, E. J, Redlinger, G, Sato, T, Sekiguchi, T, Shinkawa, T, Strand, R. C, Sugimoto, S, Tamagawa, Y, Tschirhart, R, Tsunemi, T, Vavilov, D. V, Viren, B, Wang, Zhe, Yershov, N. V, Yoshimura, Y, Yoshioka, T

“…Phys.Rev.D79:092004,2009 Experiment E949 at Brookhaven National Laboratory has observed three new events consistent with the decay K+ => pi+,nu,nubar in the…”
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New Measurement of the K{sup +}{yields}{pi}{sup +}{nu}{nu} Branching Ratio by Artamonov, A. V., Kozhevnikov, A. P., Landsberg, L. G., Mukhin, V. A., Obraztsov, V. F., Patalakha, D. I., Petrenko, S. V., Vavilov, D. V., Bassalleck, B., Lewis, B., Bhuyan, B., Chiang, I-H., Diwan, M. V., Frank, J. S., Jaffe, D. E., Kettell, S. H., Li, K. K., Littenberg, L. S., Redlinger, G., Strand, R. C.

“…Three events for the decay K{sup +}{yields}{pi}{sup +}{nu}{nu} have been observed in the pion momentum region below the K{sup +}{yields}{pi}{sup +}{pi}{sup 0}…”
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Search for the decay K+ → π+γγ by ATIYA, M. S, CHIANG, I.-H, LOUIS, W. C, AKERIB, D. S, MARLOW, D. R, MEYERS, P. D, SELEN, M. A, SHOEMAKER, F. C, SMITH, A. J. S, AZUELOS, G, BLACKMORE, E. W, BRYMAN, D. A, FRANK, J. S, FELAWKA, L, KITCHING, P, KUNO, Y, MACDONALD, J. A, NUMAO, T, PADLEY, P, POUTISSOU, J.-M, POUTISSOU, R, ROY, J, HAGGERTY, J. S, ITO, M. M, KYCIA, T. F, LI, K. K, LITTENBERG, L. S, STEVENS, A. J, STRAND, R. C

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New measurement of the K+-->pi+ nunu branching ratio by Artamonov, A V, Bassalleck, B, Bhuyan, B, Blackmore, E W, Bryman, D A, Chen, S, Chiang, I-H, Christidi, I-A, Cooper, P S, Diwan, M V, Frank, J S, Fujiwara, T, Hu, J, Ives, J, Jaffe, D E, Kabe, S, Kettell, S H, Khabibullin, M M, Khotjantsev, A N, Kitching, P, Kobayashi, M, Komatsubara, T K, Konaka, A, Kozhevnikov, A P, Kudenko, Yu G, Kushnirenko, A, Landsberg, L G, Lewis, B, Li, K K, Littenberg, L S, Macdonald, J A, Mildenberger, J, Mineev, O V, Miyajima, M, Mizouchi, K, Mukhin, V A, Muramatsu, N, Nakano, T, Nomachi, M, Nomura, T, Numao, T, Obraztsov, V F, Omata, K, Patalakha, D I, Petrenko, S V, Poutissou, R, Ramberg, E J, Redlinger, G, Sato, T, Sekiguchi, T, Shinkawa, T, Strand, R C, Sugimoto, S, Tamagawa, Y, Tschirhart, R, Tsunemi, T, Vavilov, D V, Viren, B, Wang, Zhe, Yershov, N V, Yoshimura, Y, Yoshioka, T

“…Three events for the decay K+-->pi+ nunu have been observed in the pion momentum region below the K+-->pi+pi0 peak, 140 < Ppi < 199 MeV/c, with an estimated…”
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Search for three body pion decays ${\pi}^+{\to}l^+{\nu}X by Aguilar-Arevalo, A, Aoki, M, Blecher, M, Britton, D. I, Bruch, D. vom, Bryman, D. A, Chen, S, Comfort, J, Cuen-Rochin, S, Doria, L, Gumplinger, P, Hussein, A, Igarashi, Y, Ito, S, Kettell, S, Kurchaninov, L, Littenberg, L. S, Malbrunot, C, Mischke, R. E, Numao, T, Protopopescu, D, Sher, A, Sullivan, T, Vavilov, D

“…Phys. Rev. D 103, 052006 (2021) The three body pion decays ${\pi}^+{\rightarrow}l^+{\nu}X~(l=e,{\mu})$, where $X$ is a weakly interacting neutral boson, were…”
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Search for the rare decays $\pi^+ \to \mu^+\nu_\mu\nu\bar\nu$ and $\pi^+ \to e^+\nu_e\nu\bar\nu by Aguilar-Arevalo, A, Aoki, M, Blecher, M, Britton, D. I, Bruch, D. vom, Bryman, D. A, Chen, S, Comfort, J, Cuen-Rochin, S, Doria, L, Gumplinger, P, Hussein, A, Igarashi, Y, Ito, S, Kettell, S, Kurchaninov, L, Littenberg, L. S, Malbrunot, C, Mischke, R. E, Numao, T, Protopopescu, D, Sher, A, Sullivan, T, Vavilo, D, Gorbunov, D, Kalashnikov, D

“…Phys. Rev. D 102, 012001 (2020) The rare pion decays ${\pi}^+{\rightarrow}{\mu}^+{\nu}_{\mu}{\nu}\bar{\nu}$ and…”
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Improved search for two body muon decay ${\mu}^+{\rightarrow}e^+X_H by Aguilar-Arevalo, A, Aoki, M, Blecher, M, Britton, D. I, Bruch, D. vom, Bryman, D. A, Chen, S, Comfort, J, Cuen-Rochin, S, Doria, L, Gumplinger, P, Hussein, A, Igarashi, Y, Ito, S, Kettell, S, Kurchaninov, L, Littenberg, L. S, Malbrunot, C, Mischke, R. E, Numao, T, Protopopescu, D, Sher, A, Sullivan, T, Vavilov, D

“…Phys. Rev. D 101, 052014 (2020) Charged lepton flavor violating muon decay ${\mu}^+{\rightarrow}e^+X_H$, where $X_H$ is a massive neutral boson, was sought by…”
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