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We critically analyze recent attempts to include final state interaction (FSI) effects in the calculation of the CP violating ratio epsilon'/epsilon. In particular the approach of using the Muskhelishvili-Omnes equation for the decay…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. J. Buras , M. Ciuchini , E. Franco , G. Isidori , G. Martinelli , L. Silvestrini

We study the effects of final state interactions on the eta(b) => J/psi J/psi decay. In particular, we discuss the effects of the annihilation of eta(b) into two charmed meson and their rescattering into J/psi J/psi. We find that the…

High Energy Physics - Phenomenology · Physics 2008-10-16 Pietro Santorelli

We analyzed the process of $B_s\rightarrow \rho \rho$ decay in QCD factorization (QCDF) and final state interaction (FSI) effects. In QCDF for this decay we have only the annihilation graph and we expected small Branching ratio. Then we…

High Energy Physics - Phenomenology · Physics 2014-11-20 Mohammad Rahim Talebtash , Hossein Mehraban

The role of the final state interactions (FSI) in the inclusive quasi-elastic disintegration of the deuteron is investigated treating the two-nucleon final state within the exact continuum solutions of the non-relativistic Schroedinger…

Nuclear Theory · Physics 2009-11-06 C. Ciofi degli Atti , L. P. Kaptari , D. Treleani

The final-state interaction in multichannel decay processes is sytematically studied with application to B decay in mind. Since the final-state inteaction is intrinsically interwoven with the decay interaction in this case, no simple phase…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mahiko Suzuki

Hard-core final state interaction effects in the response function are investigated in the asymptotic limit of momentum transfer q->Infinity. A new treatment of the response is presented, which displays the relevant scattering contribution.…

Condensed Matter · Physics 2009-10-22 Jaime Besprosvany , S. A. Gurvitz

We explore the role of final-state interactions (FSI) in inclusive deep-inelastic scattering from the deuteron. Relating the inclusive cross section to the deuteron forward virtual Compton scattering amplitude, a general formula for the FSI…

Nuclear Theory · Physics 2014-01-20 W. Cosyn , W. Melnitchouk , M. Sargsian

The two-body nonleptonic charmed meson decays into two pseudoscalar mesons are studied using one-particle-exchange method. The effects of the final state interactions are analyzed through the strong phases extracted from the experimental…

High Energy Physics - Phenomenology · Physics 2008-11-26 Medina Ablikim , Dong-Sheng Du , Mao-Zhi Yang

We discuss the final state interaction effects at high energies via a multi-channel N/D method. We find that the 2 by 2 charge--exchange final state interactions typically contribute an enhancement factor of a few times $10^{-2}$ in the $B$…

High Energy Physics - Phenomenology · Physics 2015-06-25 Feng Yuan , Hanqing Zheng

The final state interactions (FSI) model in which soft rescattering of low mass intermediate states dominates is suggested. It explains why the strong interaction phases are large in the $B_d\to\pi\pi$ channel and are considerably smaller…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. B. Kaidalov , M. I. Vysotsky

The influence of the nucleon-nucleon final state interaction (FSI) on properties of the meson production amplitude near threshold is discussed. For the nucleon-nucleon interaction a simple Yamaguchi potential as well as realistic potential…

Nuclear Theory · Physics 2008-11-26 V. Baru , A. M. Gasparian , J. Haidenbauer , A. E. Kudryavtsev , J. Speth

We study the final state strong interactions of the $B\rightarrow DK$ decay processes, using the Regge model. We conclude that the final state interaction phases are very small, typically a few degrees. Neglecting final state interactions…

High Energy Physics - Phenomenology · Physics 2015-06-25 Hanqing Zheng

We study the final-state interactions in $B \to \pi K$ decays through $B \to VV \to \pi K$ processes where the inelastic rescattering occurs via single pion exchange. The next-to-leading order low energy effective Hamiltonian and BSW model…

High Energy Physics - Phenomenology · Physics 2009-10-31 Dong-Sheng Du , Xue-Qian Li , Zheng-Tao Wei , Bing-Song Zou

We analyze the role of final state interactions in decay of the lighest exotic meson, $pi_1$ with $J^{PC}=1^{-+}. We use the relativistic Lippmann-Schwinger equation for two coupled $\pi b_{1}$ and $\pi\rho$ channels. The first one is the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nikodem J. Poplawski , Adam P. Szczepaniak , J. T. Londergan

We show that the large corrections due to final state interactions (FSI) in the D^+\to \pi^-\pi^+\pi^+, D^+_s\to \pi^-\pi^+\pi^+, and D^+\to K^-\pi^+\pi^+ decays can be accounted for by invoking scattering amplitudes in agreement with those…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jose A. Oller

Contributions of nucleon-nucleon (NN) correlations, meson exchange currents and the residual final state interactions (FSI) on exclusive two-nucleon knock-out reactions induced by electron scattering are investigated. All contributions are…

Nuclear Theory · Physics 2009-11-06 D. Knödler , H. Müther

I discuss the effect of final state interactions on the determination of the CKM angle \gamma from B -> K + pi decays. Using a simple Regge-based model for rescattering processes, I argue that such effects could be substantial enough to…

High Energy Physics - Phenomenology · Physics 2007-05-23 Adam F. Falk

We attempt to understand the final-state interaction in the two-body nonleptonic decay of a heavy particle for which many multibody decay channels are also open. No matter how many multibody channels couple to the two-body channels, the…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Suzuki

We propose to study factorization breaking effects in exclusive b decays where they are strongly enhanced over the factorizing contributions. This can be done by selecting final-state mesons with a small decay constant or with spin greater…

High Energy Physics - Phenomenology · Physics 2010-02-03 M. Diehl , G. Hiller

The updated experimental data are used to analyze the final-state interaction phases of the two-body decay amplitudes of the B mesons. Combining the upper bounds on the branching fractions of the color-suppressed modes with those of the…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Suzuki