Determination of ππ scattering lengths from measurement of π+π− atom lifetime
نویسندگان
چکیده
B. Adeva a, L. Afanasyev b, M. Benayoun c, A. Benelli d, Z. Berka e, V. Brekhovskikh f, G. Caragheorgheopol g, T. Cechak e, M. Chiba h, P.V. Chliapnikov f, C. Ciocarlan g, S. Constantinescu g, S. Costantini i, C. Curceanu (Petrascu) g, P. Doskarova e, D. Dreossi k, D. Drijard l,∗, A. Dudarev b, M. Ferro-Luzzi l, J.L. Fungueiriño Pazos a, M. Gallas Torreira l,a, J. Gerndt e, P. Gianotti j, D. Goldin i, F. Gomez a, A. Gorin f, O. Gorchakov b, C. Guaraldo j, M. Gugiu g, M. Hansroul l, Z. Honsm, R. Hosek e, M. Iliescu j,g, V. Karpukhin b, J. Kluson e, M. Kobayashi n, P. Kokkas o, V. Komarov b, V. Kruglov b, L. Kruglova b, A. Kulikov b, A. Kuptsov b, K.I. Kuroda b, A. Lamberto p, A. Lanaro l,q, V. Lapshin f, R. Lednicky r, P. Leruste c, P. Levi Sandri j, A. Lopez Aguera a, V. Lucherini j, T. Maki s, I. Manuilov f, J. Marin t, J.L. Narjoux c, L. Nemenov b,l, M. Nikitin b, T. Nunez Pardo a, K. Okada u, V. Olchevskii b, A. Pazos a, M. Pentia g, A. Penzo v, J.M. Perreau l, M. Plo a, T. Ponta g, G.F. Rappazzo p, A. Riazantsev f, J.M. Rodriguez a, A. Rodriguez Fernandez a, A. Romero Vidal j, V.M. Ronjin f, V. Rykalin f, J. Saborido a, C. Santamarina a, J. Schacherw, C. Schuetz i, A. Sidorov f, J. Smolik e, F. Takeutchi u, A. Tarasov b, L. Tauscher i, M.J. Tobar a, T. Trojek e, S. Trusov x, V. Utkin b, O. Vázquez Doce a, S. Vlachos i, O. Voskresenskaya b, T. Vrba e, C. Willmott t, V. Yazkov x, Y. Yoshimura n, M. Zhabitsky b, P. Zrelov b
منابع مشابه
M ay 2 00 5 First measurement of the π + π − atom lifetime
The goal of the DIRAC experiment at CERN (PS212) is to measure the ππ atom lifetime with 10% precision. Such a measurement would yield a precision of 5% on the value of the S-wave ππ scattering lengths combination |a0 − a2|. Based on part of the collected data we present a first result on the lifetime, τ = [
متن کاملFirst measurement of the π+π− atom lifetime
The goal of the DIRAC experiment at CERN (PS212) is to measure the π+π− atom lifetime with 10% precision. Such a measurement would yield a precision of 5% on the value of the S-wave ππ scattering lengths combination |a0 − a2|. Based on part of the collected data we present a first result on the lifetime, τ = [2.91+0.49 −0.62] × 10−15 s, and discuss the major systematic errors. This lifetime cor...
متن کامل/ 05 04 04 4 v 1 2 6 A pr 2 00 5 First measurement of the π + π − atom lifetime
The goal of the DIRAC experiment at CERN (PS212) is to measure the ππ atom lifetime with 10% precision. Such a measurement would yield a precision of 5% on the value of the S-wave ππ scattering lengths combination |a0 − a2|. Based on part of the collected data we present a first result on the lifetime, τ = [
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تاریخ انتشار 2011