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Invisible K_{L} decays as a probe of new physics (2015)

S. N. Gninenko and N. V. Krasnikov

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-11

Beschreibung: Author(s): S. N. Gninenko and N. V. Krasnikov The decay K L → invisible has never been experimentally tested. In the Standard Model (SM), its branching ratio for the decay into two neutrinos is helicity suppressed and predicted to be Br ( K L → ν ν ¯ ) ≲ 10 − 10 . We consider several natural extensions of the SM, such as two-Higgs-doublet (2HDM), 2HDM and ligh… [Phys. Rev. D 92, 034009] Published Mon Aug 10, 2015

Schlagwort(e): Strong Interactions

Print ISSN: 0556-2821

Digitale ISSN: 1089-4918

Thema: Physik

Publiziert von American Physical Society (APS)

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Spherically symmetric solution of f(R,G) gravity at low energy (2015)

Bofeng Wu and Bo-Qiang Ma

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-11

Beschreibung: Author(s): Bofeng Wu and Bo-Qiang Ma The weak-field and slow-motion limit of f ( R , G ) gravity is developed up to ( v / c ) 4 order in a spherically symmetric background. Considering the Taylor expansion of a general function f around vanishing values of R and G , we present general vacuum solutions up to ( v / c ) 4 order for the gravitational fiel… [Phys. Rev. D 92, 044012] Published Mon Aug 10, 2015

Schlagwort(e): General Relativity and Gravitation

Print ISSN: 0556-2821

Digitale ISSN: 1089-4918

Thema: Physik

Publiziert von American Physical Society (APS)

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Intrinsic curvature of thermodynamic potentials for black holes with critical points (2015)

Brian P. Dolan

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-12

Beschreibung: Author(s): Brian P. Dolan The geometry of thermodynamic state space is studied for asymptotically anti–de Sitter black holes in D -dimensional space-times. Convexity of thermodynamic potentials and the analytic structure of the response functions is analyzed. The thermodynamic potentials can be used to define a metric on the … [Phys. Rev. D 92, 044013] Published Tue Aug 11, 2015

Schlagwort(e): General Relativity and Gravitation

Print ISSN: 0556-2821

Digitale ISSN: 1089-4918

Thema: Physik

Publiziert von American Physical Society (APS)

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B [over ¯] ^{0} decay into D^{0} and f_{0} (500), f_{0} (980), a_{0} (980), ρ and B [over ¯] _{s}^{0} decay into D^{0} and κ(800), K^{*0} (2015)

Wei-Hong Liang, Ju-Jun Xie, and E. Oset

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-12

Beschreibung: Author(s): Wei-Hong Liang, Ju-Jun Xie, and E. Oset We make predictions for ratios of branching fractions of B ¯ 0 decays into D 0 and the scalar mesons f 0 ( 500 ) , f 0 ( 980 ) , a 0 ( 980 ) , plus B ¯ s 0 decay into D 0 and κ ( 800 ) . We also compare the π + π − production in the scalar channel with that observed in the ρ channel and make predictions for the B ¯ s 0 decay into … [Phys. Rev. D 92, 034008] Published Mon Aug 10, 2015

Schlagwort(e): Strong Interactions

Print ISSN: 0556-2821

Digitale ISSN: 1089-4918

Thema: Physik

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Diffractive electromagnetic processes from a Regge point of view (2015)

H. G. Dosch and E. Ferreira

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-04

Beschreibung: Author(s): H. G. Dosch and E. Ferreira The energy dependence of the cross sections for electromagnetic diffractive processes can be well described by a single power, W δ . For J / ψ photoproduction this holds in the range from 20 GeV to 2 TeV. This feature is most easily explained by a single pole in the angular momentum plane which depends … [Phys. Rev. D 92, 034002] Published Mon Aug 03, 2015

Schlagwort(e): Strong Interactions

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Thema: Physik

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Combined study of 2S and 1D open-charm mesons with natural spin-parity (2015)

Bing Chen, Xiang Liu, and Ailin Zhang

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-06

Beschreibung: Author(s): Bing Chen, Xiang Liu, and Ailin Zhang In this paper, we perform a combined study of 2 S and 1 D open-charm mesons with natural spin-parity. Our results indicate that D 1 * ( 2600 ) / D s 1 * ( 2700 ) and D 1 * ( 2760 ) / D s 1 * ( 2860 ) are predominantly the 2 S 1 3 and 1 D 1 3 charmed/charmed-strange mesons, respectively, while D 3 * ( 2760 ) / D s 3 * ( 2860 ) can be regarded as … [Phys. Rev. D 92, 034005] Published Wed Aug 05, 2015

Schlagwort(e): Strong Interactions

Print ISSN: 0556-2821

Digitale ISSN: 1089-4918

Thema: Physik

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New constraints on f(R) gravity from clusters of galaxies (2015)

Matteo Cataneo, David Rapetti, Fabian Schmidt, Adam B. Mantz, Steven W. Allen, Douglas E. Applegate, Patrick L. Kelly, Anja von der Linden, and R. Glenn Morris

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-08

Beschreibung: Author(s): Matteo Cataneo, David Rapetti, Fabian Schmidt, Adam B. Mantz, Steven W. Allen, Douglas E. Applegate, Patrick L. Kelly, Anja von der Linden, and R. Glenn Morris The abundance of massive galaxy clusters is a powerful probe of departures from general relativity (GR) on cosmic scales. Despite current stringent constraints placed by stellar and galactic tests, on larger scales alternative theories of gravity such as f ( R ) can still work as effective theories. He… [Phys. Rev. D 92, 044009] Published Fri Aug 07, 2015

Schlagwort(e): General Relativity and Gravitation

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Thema: Physik

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Parameter estimation of eccentric inspiraling compact binaries using an enhanced post circular model for ground-based detectors (2015)

Baosan Sun, Zhoujian Cao, Yan Wang, and Hsien-Chi Yeh

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-20

Beschreibung: Author(s): Baosan Sun, Zhoujian Cao, Yan Wang, and Hsien-Chi Yeh Inspiraling compact binaries have been identified as one of the most promising sources for gravitational-wave detection. These binaries are always expected to have been circularized by the gravitational radiation when they enter the detector’s frequency band. However, recent studies indicate that so… [Phys. Rev. D 92, 044034] Published Wed Aug 19, 2015

Schlagwort(e): General Relativity and Gravitation

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Thema: Physik

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9

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Disformal dark energy at colliders (2015)

Philippe Brax, Clare Burrage, and Christoph Englert

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-21

Beschreibung: Author(s): Philippe Brax, Clare Burrage, and Christoph Englert Disformally coupled, light scalar fields arise in many of the theories of dark energy and modified gravity that attempt to explain the accelerated expansion of the Universe. They have proved difficult to constrain with precision tests of gravity because they do not give rise to fifth forces around s… [Phys. Rev. D 92, 044036] Published Thu Aug 20, 2015

Schlagwort(e): General Relativity and Gravitation

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Thema: Physik

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New structures in the proton-antiproton system (2015)

I. T. Lorenz, H.-W. Hammer, and Ulf-G. Meißner

American Physical Society (APS)

In: Physical Review D

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Publikationsdatum: 2015-08-19

Beschreibung: Author(s): I. T. Lorenz, H.-W. Hammer, and Ulf-G. Meißner In the most recent measurements of the reaction e + e − → p p ¯ by the BABAR collaboration, new structures have been found with unknown origin. We examine a possible relation of the most distinct peak to the recently observed ϕ ( 2170 ) . Alternatively, we analyze possible explanations due to the nucleon Δ ¯ an… [Phys. Rev. D 92, 034018] Published Tue Aug 18, 2015

Schlagwort(e): Strong Interactions

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