Rare K decay: results and prospects

Subtracting the two, yields a 90% CL upper limit on the ... (3.48±0.05)×10−6. One wants to subtract from this measured quantity the ratio. Babs γ...

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Jul 12, 2016 - ND280 is contained in the repurposed UA1 magnet, which enables the TPC information to distinguish positive and negative charged leptons from ν and ν interactions. FIG. 1: The T2K near detectors: INGRID (left) and ND280 (right). The f

6224 Agricultural Road, Vancouver, B.C. V6T 1Z1, Canada. 1 Introduction .... Long distance effects are negligible in comparison with short distance effects. K+ → π+νν is ..... NA48/1 plans to study many processes including K0. S → π0l+l− ..

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18Colorado State University, Fort Collins, Colorado 80523, USA. 19Technische ... Centre Scientifique d'Orsay, B. P. 34, F-91898 Orsay Cedex, France ... 58Princeton University, Princeton, New Jersey 08544, USA ... using a data sample of 470.9 ± 2.8 m

Sep 18, 2012 - The observed number of candidates is consistent with the background-only hypothesis, yielding an upper limit of B(K0. S → µ+µ-) < 11(9) × 10-9 at 95 (90)% confidence level. This limit is a factor of thirty below the previous measu

Shoem aker5,R.Soluk7,J.R.Stone5,R.C.Strand1,S.Sugim oto3,Y .Tam agawa2, .... decay at rest in the RS stopping counter was identi ed online,based on the.

Chris Bouchard,1, ∗ G. Peter Lepage,2 Christopher Monahan,3 Heechang Na,4 and Junko Shigemitsu5. (HPQCD Collaboration). 1Department of Physics ..... We have studied fits to all possible combinations of local and smeared data and found a .... 2 acco

Jan 18, 2011 - H. Atmacan,12 J. W. Gary,12 F. Liu,12 O. Long,12 G. M. Vitug,12 C. Campagnari,13 T. M. Hong,13 D. Kovalskyi,13 .... A. K. Yarritu,63 C. C. Young,63 V. Ziegler,63 X. R. Chen,64 W. Park,64 M. V. Purohit,64 R. M. White,64. J. R. Wilson,64

Jan 8, 2014 - box diagrams and are described by three independent Wilson coefficients C7, C9 and C10. Investigations allow us to study different structures, described by the above mentioned. Wilson coefficients. In the SM, the measurement of the forw

Jan 12, 2007 - Chambers. (DC1-DC4). Trigger. Hodoscope. Muon. System. Steel. CsI .... is the vector dominance inspired model of Bergström, Masso and Singer (BMS) [9]. ... To lowest order this is described by the diagram shown in Fig.

Jan 14, 2009 - Mine in Minnesota, to make precise measurements of νµ ... the θ13 mixing angle by searching for νe appearance in the νµ beam. Key words:.

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Jul 2, 2013 - Abstract: The MINOS experiment has used the world's most powerful neutrino beam to make precision neutrino oscillation measurements. By observing the disappearance of muon neutrinos, MINOS has made the world's most precise measurement o

where M is the mass of the lens, and dol, dls, and dos are the distances between the ..... Group, such as probing the star formation history of the universe (Gould.

Jun 4, 2017 - of data corresponding to 1.2 × 109 B-meson pairs. ... most of its data at the ϒ(4S) resonance, which gives a very clean sample of quantum ...

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Aug 8, 2016 - tion, owing to weaker constraints from B physics [4][5]. ... A shash- lik small-angle annular calorimeter (IRC) in front of. LKr detects γ .... 2015 Data ν+. µ→. +. K. 0 π+ π→. +. K. - π+ π+ π→. +. K. Figure 5: m2 miss dis

Feb 21, 2014 - 1Theory Center, Thomas Jefferson National Accelerator Facility, 12000 Jefferson Avenue, Newport News,. VA 23606, U.S.A. ... All these hadrons generate poles in the complex energy plane that are consequences of the ... alternative is to

Sep 22, 2014 - At this stage of the LHC program, the prospect for a new physics signal in the very rare K → πνν decays may be dented, but remains well alive thanks to their intrinsic qualities. First, these decays are among the cleanest observab

Jan 15, 2010 - only poorly known.1 Therefore the predictions for ε′/ε in the SM and its extensions have very large theoretical uncertainties. .... This method, relatively easy and computationally cheap, has been widely used [34,38,39], but it onl

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computed. It is shown that all these quantities are very effective tools for establishing new physics. ∗e-mail: ... ‡e-mail: [email protected] ... the neutral Higgs and leptons is proportional to the lepton mass. But for the b → sτ+Ï

Aug 1, 2012 - each other. For example, if we search “apple” in Google image1,. 7 out of the top-10 results returned are the logo of the Apple com- pany. In order to remove the redundancy in the results, and at the same time keep the quality of th

66Stanford Linear Accelerator Center, Stanford, CA 94309, USA. 67Stanford University, Stanford, CA ... 71University of Texas at Dallas, Richardson, TX 75083, USA. 72Universit`a di Torino, Dipartimento di Fisica ... We analyze data collected with the