Wed·May 31, 2017Wednesday·May 31, 2017

1. 01*

   Mass and residue of $\Lambda (1405)$ as hybrid and excited ordinary baryon

   K. Azizi🇹🇷 · B. Barsbay🇹🇷 · H. Sundu🇹🇷

   The nature of the $\Lambda (1405)$ has been a puzzle for decades, whether it is a standard three-quark baryon, a hybrid baryon or a baryon-meson molecule. More information on the decay channels of this particle and its strong, weak and electromagnetic interactions with other hadrons is needed to clarify its internal organization. The residue of this particle is one of the main inputs in investigation of its decay properties in many approaches. We calculate the mass and residue of $\Lambda (1405)$ state in the context of QCD sum rules considering it as a hybrid baryon with three-quark---one gluon content as well as an excited ordinary baryon with quantum numbers $I(J^P)=0(1/2^{-})$. The comparison of the obtained results on the mass with the average experimental value presented in PDG allows us to interpret this state as a hybrid baryon.

   hep-phhep-exhep-latEur.Phys.J.Plus(2018)·19 citations
2. 02*

   Subleading Power Factorization in $\bar{B}\to X_s{\ell }^{+}{\ell }^{-}$

   Michael Benzke🇩🇪 · Tobias Hurth🇩🇪 · Sascha Turczyk🇩🇪

   We analyze the factorization to subleading power in the flavor changing neutral current process $\bar{B}\to X_s{\ell }^{+}{\ell }^{-}$. In particular, we compute the so-called resolved contributions and explore the numerical impact on observables. In these contributions the virtual photon couples to light partons instead of connecting directly to the effective weak-interaction vertex. They represent an irreducible uncertainty in the inclusive $\bar{B}\to X_s{\ell }^{+}{\ell }^{-}$ decay which cannot be removed by relaxing the experimentally necessary cuts in the hadronic mass spectrum.

   hep-phhep-exJHEP(2017)·19 citations
3. 03*

   Prompt neutrinos from atmospheric charm in the general-mass variable-flavor-number scheme

   M. Benzke🇩🇪 · M. V. Garzelli🇩🇪 · B. A. Kniehl🇩🇪 · G. Kramer🇩🇪 · S. Moch🇩🇪 · G. Sigl🇩🇪

   We present predictions for the prompt-neutrino flux arising from the decay of charmed mesons and baryons produced by the interactions of high-energy cosmic rays in the Earth's atmosphere, making use of a QCD approach on the basis of the general-mass variable-flavor-number scheme for the description of charm hadroproduction at NLO, complemented by a consistent set of fragmentation functions. We compare the theoretical results to those already obtained by our and other groups with different theoretical approaches. We provide comparisons with the experimental results obtained by the IceCube Collaboration in two different analyses and we discuss the implications for parton distribution functions.

   hep-phastro-ph.HEJHEP(2017)·80 citations
4. 04*

   Analysis of ${\Lambda }_b\to \Lambda l^{+}{l}^{-}$ rare decays in a non-universal $Z^{\prime }$ model

   D. Banerjee🇮🇳 · S. Sahoo🇮🇳

   We investigate the rare baryonic ${\Lambda }_b\to \Lambda l^{+}{l}^{-}$ decays in a non-universal $Z^{\prime }$ model, which is one of the well-motivated extensions of the standard model (SM). Considering the effects of $Z^{\prime }$-mediated flavour-changing neutral currents (FCNCs) we analyse the differential decay rate, forward-backward asymmetries and lepton polarisation asymmetries for the ${\Lambda }_b\to \Lambda l^{+}{l}^{-}$ decays. We find significant deviations from their SM predictions, which could indicate new physics arising from the $Z^{\prime }$ gauge boson.

   hep-phCPC(2017)·10 citations
5. 05*

   Particle Ratios From Strongly Interacting Hadronic Matter

   Waseem Bashir🇮🇳 · Saeed Uddin🇮🇳 · Hamid Nanda🇮🇳

   We calculate the particle ratios for a strongly interacting hadronic matter matter using non-linear Walecka model (NLWM) in relativistic mean-field approximation. A comparison with Hadron Resonance Gas Model is made.

   hep-phnucl-thAdv.High Energy Phys.(2017)·0 citations
6. 06*

   Nucleon 3D structure from double parton scattering: a Light-Front quark model analysis

   Matteo Rinaldi🇪🇸

   Double parton distribution functions (dPDFs) represent a tool to explore the 3D partonic structure of the proton. They can be measured in high energy proton-proton and proton nucleus collisions and encode information on how partons inside a proton are correlated among each other. dPFDs are studied here in the valence region by means of a constituent quark model scenario within the relativistic Light Front approach, where two particle correlations are present without any additional prescription. Furthermore, a study of the QCD evolution at high energy scale, of the model results, has been completed in order to compare our predictions with future data analyses. In closing, results on the evaluation of the so called \sigma_{eff} , crucial ingredient for the description of double parton scattering, where dPDFs can be accessed, are presented and discussed.

   hep-phJ.Phys.Conf.Ser.(2018)·0 citations
7. 07*

   Consistency tests for the extraction of the Boer-Mulders and Sivers functions

   Ekaterina Christova🇧🇬 · Elliot Leader🇬🇧 · Mikhail Stoilov🇧🇬

   At present, the Boer-Mulders (BM) function for a given quark flavour is extracted from data on semi-inclusive deep inelastic scattering (SIDIS) using the simplifying assumption that it is proportional to the Sivers function for that flavour. In a recent paper we suggested that the consistency of this assumption could be tested using information on so-called difference asymmetries, i.e. the difference between the asymmetries in the production of particles and their anti-particles. In this paper, using the SIDIS COMPASS deuteron data on the $⟨\cos {\varphi }_h⟩$, $⟨\cos 2{\varphi }_h⟩$ and Sivers difference asymmetries, we carry out two independent consistency tests of the assumption of proportionality, but here applied to the sum of the valence-quark contributions. We find that such an assumption is compatible with the data. We also show that the proportionality assumptions made in the existing parametrizations of the BM functions are not compatible with our analysis, which suggests that the published results for the Boer-Mulders functions for individual flavours are unreliable. The $⟨\cos {\varphi }_h⟩$ and $⟨\cos 2{\varphi }_h⟩$ asymmetries receive contributions also from the, in principle, calculable Cahn effect. We succeed in extracting the Cahn contributions from experiment (we believe for the first time) and compare with their calculated values, with interesting implications.

   hep-phPRD(2018)·9 citations
8. 08*

   Neutrino mass in a gauged $L_{\mu }-L_{\tau }$ model

   Chuan-Hung Chen🇹🇼 · Takaaki Nomura🇰🇷

   We study the origin of neutrino mass through lepton-number violation and spontaneous $U(1{)}_{L_{\mu }-L_{\tau }}$ symmetry breaking. To accomplish the purpose, we include one Higgs triplet, two singlet scalars, and two vector-like doublet leptons in the $U(1{)}_{L_{\mu }-L_{\tau }}$ gauge extension of the standard model. To completely determine the free parameters, we employ the Frampton-Glashow-Marfatia (FGM) two-zero texture neutrino mass matrix as a theoretical input. It is found that when some particular Yukawa couplings vanish, an FGM pattern can be achieved in the model. Besides the explanation of neutrino data, we find that the absolute value of neutrino mass $m_j$ can be obtained in the model, and their sum can satisfy the upper bound of the cosmological measurement with ${\sum }_j|m_j|<0.12$ eV. The effective Majorana neutrino mass for neutrinoless double-beta decay is below the current upper limit and is obtained as $⟨m_{\beta \beta }⟩=(0.34,2.3)\times 10^{-2}$ eV. In addition, the doubly charged Higgs $H^{\pm \pm }$ decaying to ${\mu }^{\pm }{\tau }^{\pm }$ final states can be induced from a dimension-6 operator and is not suppressed, and its branching ratio is compatible with the $H^{\pm \pm }\to W^{\pm }{W}^{\pm }$ decay when the vacuum expectation value of Higgs triplet is $O(0.01)$ GeV.

   hep-phNPB(2019)·17 citations
9. 09*

   Baryogenesis in Lorentz-violating gravity theories

   Jeremy Sakstein🇺🇸 · Adam R. Solomon🇺🇸

   Lorentz-violating theories of gravity typically contain constrained vector fields. We show that the lowest-order coupling of such vectors to $\mathrm{U}(1)$-symmetric scalars can naturally give rise to baryogenesis in a manner akin to the Affleck-Dine mechanism. We calculate the cosmology of this new mechanism, demonstrating that a net $B-L$ can be generated in the early Universe, and that the resulting baryon-to-photon ratio matches that which is presently observed. We discuss constraints on the model using solar system and astrophysical tests of Lorentz violation in the gravity sector. Generic Lorentz-violating theories can give rise to the observed matter-antimatter asymmetry without violating any current bounds.

   hep-phastro-ph.COgr-qchep-thPLB(2017)·18 citations
10. 10*

    Probing Lepton Flavour Universality with $K\to \pi \nu \bar{\nu }$ decays

    Marzia Bordone🇨🇭 · Dario Buttazzo🇨🇭 · Gino Isidori🇨🇭 · Joachim Monnard🇨🇭

    We analyse the rare processes $K\to \pi \nu \bar{\nu }$ in view of the recent hints of violations of Lepton Flavour Universality (LFU) observed in B meson decays. If, as suggested by present data, the new interactions responsible for LFU violations couple mainly to the third generation of left-handed fermions, $K\to \pi \nu \bar{\nu }$ decays turn out to be particularly interesting: these are the only kaon decays with third-generation leptons (the $\tau$ neutrinos) in the final state. In order to relate B-physics anomalies and K decays we adopt an Effective Field Theory approach, assuming that the new interactions satisfy an approximate $U(2{)}_q\times U(2{)}_{\ell }$ flavour symmetry. In this framework we show that O(1) deviations from the Standard Model predictions in $K\to \pi \nu \bar{\nu }$ branching ratios, closely correlated to similar effects in $B\to K^{(\ast )}\nu \bar{\nu }$, are naturally expected. The correlation of $\mathcal{B}(K\to \pi \nu \bar{\nu })$, $\mathcal{B}(B\to K^{(\ast )}\nu \bar{\nu })$, and the LFU violations in B decays would provide a very valuable tool to shed more light on this interesting phenomenon.

    hep-phEPJC(2017)·111 citations
11. 11*

    Direct comparison of global fits to the B ->$K^{\ast }$${\mu }^{+}{\mu }^{-}$ data assuming hadronic corrections or new physics

    S. Neshatpour🇮🇷 · V.G. Chobanova🇪🇸 · T. Hurth🇩🇪 · F. Mahmoudi🇫🇷 · D. Martinez Santos🇪🇸

    The LHCb measurements on the B ->$K^{\ast }$${\mu }^{+}{\mu }^{-}$ angular observables have shown slight deviations from their Standard Model predictions. The significance of the deviations in the B -> $K^{\ast }$${\mu }^{+}{\mu }^{-}$ decay depends on the assumptions on the size of the non-factorisable power corrections. At present, there are no theoretical predictions on the size of these power corrections in order to identify whether the reason behind these anomalies is due to unknown hadronic corrections or New Physics effects. We have performed a statistical comparison of fitting the data to each of the possible explanations.

    hep-ph23 citations
12. 12*

    Recursive Jigsaw Reconstruction: HEP event analysis in the presence of kinematic and combinatoric ambiguities

    Paul Jackson🇦🇺 · Christopher Rogan🇺🇸

    We introduce $RecursiveJigsawReconstruction$, a technique for analyzing reconstructed particle interactions in the presence of kinematic and combinatoric unknowns associated with unmeasured and indistinguishable particles, respectively. By factorizing missing information according to decays and rest frames of intermediate particles, an interchangeable and configurable set of $JigsawRules$, algorithms for resolving these unknowns, are applied to approximately reconstruct decays with arbitrarily many particles, in their entirety. That the Recursive Jigsaw Reconstruction approach can be used to analyze $any$ event topology of interest, with any number of ambiguities, is demonstrated through a twelve different simulated LHC physics examples. These include the production and decay of $W$, $Z$, Higgs bosons, and supersymmetric particles including gluinos, stop quarks, charginos, and neutralinos.

    hep-phPRD(2017)·95 citations
13. 13*

    F(750), We Miss You as a Bound State of 6 Top and 6 Antitop Quarks, Multiple Point Principle

    Holger F. Bech Nielsen🇩🇰 · D.L. Bennett🇩🇰 · C.R. Das🇷🇺 · C.D. Froggatt🇬🇧 · L.V. Laperashvili🇷🇺

    We review our speculation, that in the pure Standard Model the exchange of Higgses, including also the ones "eaten by $W^{\pm }$ and Z", and of gluons together make a bound state of 6 top plus 6 anti top quarks bind so strongly that its mass gets down to about 1/3 of the mass of the collective mass 12 $m_t$ of the 12 constituent quarks. The true importance of this speculated bound state is that it makes it possible to uphold, even inside the Standard Mode, our proposal for what is really a new law of nature saying that there are several phases of empty space, vacua, all having very small energy densities (of the order of the present energy density in the universe). The reason suggested for believing in this new law called the "Multiple (Criticality) Point Principle" is, that estimating the mass of the speculated bound state using the "Multiple Point Principle" leads to two consistent mass-values; and they even agree with a crude bag-model like estimate of the mass of this bound state. Very, unfortunately, the statistical fluctuation so popular last year, when interpreted as the digamma resonance F(750), turned out not to be a real resonance, because our estimated bound state mass is just around the mass of 750 GeV.

    hep-phPoS(2017)·6 citations
14. 14*

    Resonance enhancement of dark matter interactions: the case for early kinetic decoupling and velocity dependent resonance width

    Mateusz Duch🇵🇱 · Bohdan Grzadkowski🇵🇱

    Motivated by the possibility of enhancing dark matter (DM) self-interaction cross-section ${\sigma }_{\mathrm{self}}$, we have revisited the issue of DM annihilation through a Breit-Wigner resonance. In this case thermally averaged annihilation cross-section has strong temperature dependence, whereas elastic scattering of DM on the thermal bath particles is suppressed. This leads to the early kinetic decoupling of DM and an interesting interplay in the evolution of DM density and temperature that can be described by a set of coupled Boltzmann equations. The standard Breit-Wigner parametrization of a resonance propagator is also corrected by including momentum dependence of the resonance width. It has been shown that this effects may change predictions of DM relic density by more than order of magnitude in some regions of the parameter space. Model independent discussion is illustrated within a theory of Abelian vector dark matter. The model assumes extra $U(1)$ symmetry group factor and an additional complex Higgs field needed to generate a mass for the dark vector boson, which provides an extra neutral Higgs boson $h_2$. We discuss the resonance amplification of ${\sigma }_{\mathrm{self}}$. It turns out that if DM abundance is properly reproduced, the Fermi-LAT data favor heavy DM and constraint the enhancement of ${\sigma }_{\mathrm{self}}$ to the range, which cannot provide a solution to the small-scale structure problems.}

    hep-phJHEP(2017)·51 citations
15. 15*

    Hard exclusive neutrino production of a light meson

    B. Pire🇫🇷 · L. Szymanowski🇵🇱 · J. Wagner🇵🇱

    We update the leading order in ${\alpha }_s$ QCD amplitude for deep exclusive neutrino and antineutrino production of a light meson on an unpolarized nucleon. The factorization theorems of the collinear QCD approach allow us to write the amplitude as the convolution of generalized parton distributions (GPDs) and perturbatively calculable coefficient functions. We study both the pseudoscalar meson and longitudinally polarized vector meson cases. It turns out that, contrarily to the electroproduction case, the leading twist scattering amplitudes for $\pi$ and ${\rho }_L$ productions are proportional to one another, which may serve as an interesting new test of the leading twist dominance of exclusive processes at medium scale. The dominance of the gluonic contribution to most cross sections is stressed.

    hep-phhep-exnucl-exnucl-thPRD(2017)·17 citations
16. 16*

    Searching for Dark Matter with Neutron Star Mergers and Quiet Kilonovae

    Joseph Bramante🇨🇦 · Tim Linden🇺🇸 · Yu-Dai Tsai🇺🇸

    We identify new astrophysical signatures of dark matter that implodes neutron stars (NSs), which could decisively test whether NS-imploding dark matter is responsible for missing pulsars in the Milky Way galactic center, the source of some $r$-process elements, and the origin of fast-radio bursts. First, NS-imploding dark matter forms $\sim 10^{-10}$ solar mass or smaller black holes inside neutron stars, which proceed to convert neutron stars into $\sim$1.5 solar mass BHs. This decreases the number of neutron star mergers seen by LIGO/Virgo (LV) and associated merger kilonovae seen by telescopes like DES, BlackGEM, and ZTF, and instead, producing a population of "black mergers" containing $\sim$1.5 solar mass black holes. Second, dark matter-induced neutron star implosions may create a new kind of kilonovae that lacks a detectable, accompanying gravitational signal, which we call "quiet kilonovae." Using DES data and the Milky Way's r-process abundance, we constrain quiet kilonovae. Third, the spatial distribution of neutron star merger kilonovae and quiet kilonovae in galaxies can be used to detect dark matter. NS-imploding dark matter destroys most neutron stars at the centers of disc galaxies, so that neutron star merger kilonovae would appear mostly in a donut at large radii. We find that as few as ten neutron star merger kilonova events, located to $\sim$1 kpc precision could validate or exclude dark matter-induced neutron star implosions at $2\sigma$ confidence, exploring dark matter-nucleon cross-sections 4-10 orders of magnitude below current direct detection experimental limits. Similarly, NS-imploding dark matter as the source of fast radio bursts can be tested at $2\sigma$ confidence once 20 bursts are located in host galaxies by radio arrays like CHIME and HIRAX.

    hep-phastro-ph.HEPRD(2018)·102 citations
17. 17*

    Proper-time Quantum Mechanics for Multi-Quark System and Composite-Hadron Spectroscopy

    Shin Ishida🇯🇵 · Tomohito Maeda🇯🇵 · Kenji Yamada🇯🇵 · Masuho Oda🇯🇵

    One of the most important problem in hadron physics is to establish the Lorentz-invariant classification scheme of composite hadrons, extending the framework of non-relativistic quark model. We present an attempt, by developing proper-time $\tau$ quantum mechanics on a multi-quark system in particle frame (with constant boost velocity $\mathbf{v}$). We start from the variational method on a classical mechanics action where a constituent quark has Pauli-type $SU(2{)}_{\sigma }$ spin. Then the $SU(2{)}_{\mathfrak{m}}$ symmetry, concerning the sign-reversal on quark mass, has arisen with the basic vectors, the normal Dirac spinor with $J^P=(1/2{)}^{+}$ and the chiral one with $J^P=(1/2{)}^{-}$, appearing as a "shadow" of the former. Herewith, the mass reversal between these basic vectors become equivalent to the chirality, which is a symmetry of the standard gauge theory. We describe the role of chirality in hadron spectroscopy and regard it as attribute {$\chi$} of "elementary" hadrons in addition to {$J,P,C$}. A novel feature of our hadron spectroscopy is, in the example of $q\bar{q}$ meson system, that the "Regge trajectories", are given by mass-squared vs. the number of quantum $N$ ; where $M^2=M_0^2+2N\Omega$ ($N=2n$, $n$ the radial quantum number, $\Omega$ the oscillator quantum), and the intrinsic spin of hadrons $\mathbf{J}$ comes only from quark spin $\mathbf{S}$, $\mathbf{J}=\mathbf{S}$. Some phenomenological facts crucial to its validity are pointed out on the light-through-heavy quarkonium system.

    hep-ph0 citations
18. 18*

    Cooling in a Dissipative Dark Sector

    Eliott Rosenberg🇺🇸 · JiJi Fan🇺🇸

    The possibility of a subdominant component of dark matter dissipating energy could lead to dramatic new phenomenology such as the formation of a dark disk. One rigorous way to assess this possibility and settle the debate on its feasibility is to include the dissipative dark component in a numerical hydrodynamical simulation. A necessary input to such a simulation is a prescription including energy dissipation rates of different processes and rates of processes that change the number densities of dark ions and atoms. In this article, we study the simplest dissipative dark sector which consists of a dark electron and proton, both charged under a dark gauged U(1). We present approximate analytic formulas for energy loss rates due to Compton scattering, bremsstrahlung, recombination, collisional ionization and collisional excitation as well as the rates of number density change. We also include the heating rate due to photoionization. The work serves as the first step to realize a numerical simulation including a dissipative dark sector, which hopefully can shed more light on the formation and properties of a dark disk originating from dark matter self-interactions.

    ↳ astro-ph.GAastro-ph.HEhep-phPRD(2017)·60 citations
19. 19*

    From Hadronic Cross Section to the measurement of the Vacuum Polarization at KLOE: a fascinating endeavour

    Graziano Venanzoni (for the KLOE-2 Collaboration)🇮🇹

    The KLOE experiment at the $\varphi -factory$ DA$\Phi$NE in Frascati is the first to have employed Initial State Radiation (ISR) to precisely determine the $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}(\gamma )$ cross section below 1 GeV. Such a measurement is particularly important to test the Standard Model (SM) calculation for the $(g-2)$ of the muon, where a long standing 3$\sigma$ discrepancy is observed. I will review the ISR activity in KLOE in the last 18 years from the measurement of the hadronic cross section to the first direct determination of the time-like complex running $\alpha (s)$ in the region below 1 GeV.

    ↳ hep-exhep-phEPJ Web Conf.(2018)·8 citations
20. 20*

    $P-$state Positronium for Precision Physics: an Ultrafine Splitting at ${\alpha }^6$

    Henry Lamm🇺🇸

    An "ultrafine" splitting in positronium between the $L=1$ spin-singlet state and the spin-average of the spin-triplet states is shown to arise only at order ${\alpha }^6$. The QED prediction for $n=2$ states is ${\Delta }_{2,P}=(683/172800)m{\alpha }^6=73.7(1.2)$ kHz. This represents the smallest leading-order QED splitting known. Current experimental efforts could observe this splitting, and its observation can constrain new ultralight interactions, such as axions or $Z^{\prime }$.

    ↳ physics.atom-phhep-phPRA(2017)·12 citations
21. 21*

    Lattice QCD results on soft and hard probes of strongly interacting matter

    Olaf Kaczmarek🇩🇪

    We present recent results from lattice QCD relevant for the study of strongly interacting matter as it is produced in heavy ion collision experiments. The equation of state at non-vanishing density from a Taylor expansion up to $6^{th}$ order will be discussed for a strangeness neutral system and using the expansion coefficients of the series limits on the critical point are estimated. Chemical freeze-out temperatures from the STAR and ALICE Collaborations will be compared to lines of constant physics calculated from the Taylor expansion of QCD bulk thermodynamic quantities. We show that qualitative features of the $\sqrt{s_{NN}}$ dependence of skewness and kurtosis ratios of net proton-number fluctuations measured by the STAR Collaboration can be understood from QCD results for cumulants of conserved baryon-number fluctuations. As an example for recent progress towards the determination of spectral and transport properties of the QGP from lattice QCD, we will present constraints on the thermal photon rate determined from a spectral reconstruction of continuum extrapolated lattice correlation functions in combination with input from most recent perturbative calculations.

    ↳ hep-lathep-phNPA(2017)·7 citations
22. 22*

    On a Relation of Vacuum Energy to the Hierarchy of Forces

    Stephon Alexander🇺🇸 · Laura Mersini-Houghton🇺🇸

    We investigate the relation between vacuum energy and the hierarchy of forces in habitable universes. The hierarchy of forces studied in \cite{fred} was bound by $\frac{{\alpha }_G}{\alpha }\le 10^{-34}$, using structure formation arguments which involve the fine structure constant $\alpha$ and the gravitational constant ${\alpha }_G$. Previously we showed that the requirement of vacuum domination epoch occuring after matter radiation equality time, places a bound on vacuum energy in terms of the density perturbation parameter Q. Here we impose a further condition: we require that at equality time the size of the gas cloud which forms a galaxy at virialization time, be smaller than the horizon size. The latter condition leads to an intriguing relation whereby vacuum energy is bound by a power law function of the hierarchy of forces. The constraint introduced by the hierarchy of forces on the amount of dark energy is suggestive of an unknown microphysical mechanism that relates vacuum energy to the other constants of nature, specifically to the gravitational and fine structure constants and to their hierarchy.

    ↳ gr-qcastro-ph.HEhep-phhep-th2 citations
23. 23*

    Galactic cosmic-ray model in the light of AMS-02 nuclei data

    Jia-Shu Niu🇨🇳 · Tianjun Li🇨🇳

    Cosmic ray (CR) physics has entered a precision-driven era. With the latest AMS-02 nuclei data (boron-to-carbon ratio, proton flux, helium flux and antiproton-to-proton ratio), we perform a global fitting and constrain the primary source and propagation parameters of cosmic rays in the Milky Way by considering 3 schemes with different data sets (with and without $\bar{\mathrm{p}}/\mathrm{p}$ data) and different propagation models (diffusion-reacceleration and diffusion-reacceleration-convection models). We find that the data set with $\bar{\mathrm{p}}/\mathrm{p}$ data can remove the degeneracy between the propagation parameters effectively and it favors the model with a very small value of convection (or disfavors the model with convection). The separated injection spectrum parameters are used for proton and other nucleus species, which reveal the different breaks and slopes among them. Moreover, the helium abundance, antiproton production cross sections and solar modulation are parametrized in our global fitting. Benefited from the self-consistence of the new data set, the fitting results show a little bias, and thus the disadvantages and limitations of the existed propagation models appear. Comparing to the best fit results for the local interstellar spectra ($\varphi =0$) with the VOYAGER-1 data, we find that the primary sources or propagation mechanisms should be different between proton and helium (or other heavier nucleus species). Thus, how to explain these results properly is an interesting and challenging question.

    ↳ astro-ph.HEhep-phPRD(2018)·28 citations

* Reconstructed cohort: no mailing for this day survives in the archive. Papers are grouped by their submission times and arXiv's announcement cut-off, assuming announcement without delay; positions follow identifier order. Validated at ~91% exact-day agreement against the archived era.