1,720,953 research outputs found
BARYON MAGNETIC-MOMENTS WITH CONFINED QUARKS
No full textAstronomy & AstrophysicsPhysics, Particles & FieldsSCI(E)0ARTICLE3920-9234
XI(2230) IS LIKELY TO BE A GLUEBALL
No full textOn the basis of the recent results of xi(2230) --> pi(+)pi(-), p (p) over bar and xi(2230) --> K+K-, KsKs, measured by the BES Collaboration in J/psi radiative decays, combined with the PS185 experiment of p (p) over bar --> xi(2230) --> K (K) over bar, we argue that because of its very narrow partial decay widths to pi pi and K (K) over bar (less than 1 MeV), its large production rate in J/psi radiative decays (BR(J/psi --> gamma xi) > 2.3 x 10(-3) and its flavor-symmetric couplings to pi pi and K (K) over bar, the xi(2230) is very likely to be a J(PC) = (even)(++) glueball.Physics, MultidisciplinarySCI(E)中国科学引文数据库(CSCD)17ARTICLE3373-3762
A note on possible interpretations for the DSJ+(2632) observed by SELEX
No full textAbstractWe suggest some possible interpretations for the DSJ+(2632) observed by SELEX. The DSJ+(2632) could be the first radial excitation of the 1− ground state Ds*(2112), and its unusual decay patten might be hopefully explained by the node structure of the wave functions. In addition, the DSJ+(2632) could also be a cs¯g hybrid state or a (cs)3*–(s¯s¯)3 (diquark–antidiquark) bound state
Test of heavy quarkonium production mechanism and NRQCD
No full textWe discuss some processes for studying heavy quarkonium production and polarization mechanisms, including photoproduction of eta (c) and J/psi polarization in DIS at HERA. The J/psi hadroproduction at Tevatron in the k(t) factorization approach is also studied. We find that these processes can provide important tests for heavy quarkonium production, and the color-octet mechanism.http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000167447800041&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701Physics, Particles & FieldsSCI(E)CPCI-S(ISTP)
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
POSSIBLE PHENOMENOLOGICAL INDICATION FOR THE STRING COULOMB TERM AND THE COLOR SCREENING EFFECTS IN THE QUARK-ANTIQUARK POTENTIAL
No full textThe string Coulomb term in the quark-antiquark potential which is due to the transverse vibrations of the flux tube in the string picture is discussed. Possible phenomenological indication evidences for this term and the color screening effects are studied by examining its spin-dependent effects on both the fine and hyperfine splittings of the P wave charmonium states.Physics, MultidisciplinarySCI(E)中国科学引文数据库(CSCD)7ARTICLE3321-3261
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