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Now showing items 33 - 48 of 45782

  • Ultrafast biophotonics, by P. Vasa and D. Mathur

    Resnick, Andrew  

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  • The D&P Shapley Value: a Weighted Extension

    Liao, Y.-H.  

    First, we propose a weighted extension of the D&P Shapley value and then study several equivalences between the potentializability and other properties. On the basis of these equivalences and consistency, we also propose two axiomatizations.
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  • Jets and Centrality in p(d)-A Collisions

    Michael C. Kordell   Abhijit Majumder  

    Abstract The production of jets, and high- p T leading pions from jets, in d-Au collisions at the Relativistic Heavy-Ion Collider (RHIC) and p-Pb collisions at the Large Hadron Collider (LHC) are studied. Using a modified version of the event generator PYTHIA, in conjunction with a nuclear Glauber Monte-Carlo event generator, we demonstrate how events with a hard jet may be simulated, in such a way that the parton distribution function of the projectile nucleon is frozen during its interaction with the extended nucleus. Using our hybrid Monte-Carlo event generator, we demonstrate that the enhancement in R pA seen in peripheral events at RHIC and at LHC, as well as the depletion in central or semi-central events, is mainly due to “mis-binning” of central and semi-central events with a jet, as peripheral events. This occurs due to the reduction of soft particle production caused by a depletion of energy available in a nucleon (of the deuteron in the case of d-Au collisions), after the production of a hard jet. This represents a form of “color transparency” of the projectile nucleon, which has fluctuated to a state with fewer and harder partons, in events which lead to jet production. We conclude with discussions of the form of multi-parton correlations in a nucleon which may be responsible for such a startling effect.
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  • Measurement of D * -meson triggered correlations in p+p collisions at RHIC


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  • Class numbers and p-ranks in Z(p)(d)-towers

    Wan, Daqing  

    To extend Iwasawa's classical theorem from Z(p)-towers to Z(p)(d)-towers, Greenberg conjectured that the exponent of p in the n-th class number in a Z(p)(d)-tower of a global field K ramified at finitely many primes is given by a polynomial in p(n) and n of total degree at most d for sufficiently large n. This conjecture remains open for d >=3D 2. In this paper, we prove that this conjecture is true in the function field case. Further, we propose a series of general conjectures on p-adic stability of zeta functions in a p-adic Lie tower of function fields. (C) 2018 Elsevier Inc. All rights reserved.
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  • The D&P Shapley Value: a Weighted Extension

    Liao   Y.-H.  

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  • G458(P)?Vitamin D screening in obese adolescents

    Pickworth, WD   White, B  

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  • Jets and Centrality in p(d)-A Collisions

    Kordell, Michael C.   Majumder, Abhijit  

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  • G458(P) Vitamin D screening in obese adolescents

    Pickworth, WD; White, B  

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  • Deformation quantization for actions of Q(p)(d)

    Gayral, Victor   Jondreville, David  

    The main objective of this article is to develop the theory of deformation of C*-algebras endowed with a group action, from the perspective of non-formal equivariant quantization. This program, initiated in [4], aims to extend Rieffel's deformation theory [27] for more general groups than R-d. In [4], we have constructed such a theory for a class of non-Abelian Lie groups. In the present article, we study the somehow opposite situation of Abelian but non-Lie groups. More specifically, we construct here a deformation theory of C*-algebras endowed with an action of a finite dimensional vector space over a non-Archimedean local field of characteristic different from 2. At the root of our construction stands the p-adic version of the Weyl quantization introduced by Haran [12] and further extended by Bechata [1] and Unterberger [34]. (C) 2015 Elsevier Inc. All rights reserved.
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  • Selmer groups over Z(p)(d)-extensions

    Tan, Ki-Seng  

    Consider an abelian variety defined over a global field and let be a -extension, unramified outside a finite set of places of , with . Let denote the Iwasawa algebra. In this paper, we study how the characteristic ideal of the -module , the dual -primary Selmer group, varies when is replaced by a strict intermediate -extension.
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  • A New Measurement of Be-11(p,d) Transfer Reaction

    Jiang, Ying   Lou, Jian-Ling   Ye, Yan-Lin   Pang, Dan-Yang   Chen, Jie   Li, Zhi-Huan   Ge, Yu-Cheng   Li, Jing   Sun, Wei Jiang-Ye-Lei   Zang, Hong-Liang   Zhang, Yun   Liu, Wei   Li, Gen   Aoi, N.   Ideguchi, E.   Ong, H. J.   Lee, J.   Wu, Jin   Liu, Hong-Na   Wen, Chao   Ayyad, Y.   Hatanaka, K.   Tran, D. T.   Yamamoto, T.   Tanaka, M.   Suzuki, T.   Nguyen, T. T.  

    A new Be-11(p,d) transfer reaction experiment is performed in inverse kinematics with a radioactive Be-11 beam at 26.9A MeV. Three low-lying states, namely the 0(+) ground state, the 2(+) state at E-x =3D 3.37 MeV, and the multiplet at around 6 MeV in Be-10, are populated by this one-neutron transfer reaction. These three states in Be-10 are clearly discriminated from the Q-value spectrum, which is rebuilt from energies and angles of the recoil deuterons in coincidence with Be-10. A spectroscopic factor for each state is extracted by comparing the experimental differential cross sections to the theoretical calculation results using the finite range adiabatic distorted wave approximation method with different global nucleon-nucleus potentials. It is found that the newly extracted spectroscopic factors for the 0(+) and 2(+) states are consistent with the previous ones, but the factor for the multiplet is smaller than the value in the reference, and the possible reason is discussed.
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  • D ia P ro

    Cai, Haipeng; Santelices, Raul; Thain, Douglas  

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  • Investigating the Li-10 continuum through Li-9(d, p)Li-10 reactions

    Moro, A. M.   Casal, J.   Gomez-Ramos, M.  

    The continuum structure of the unbound system Li-10, inferred from the Li-9(d, p)Li-10 transfer reaction, is reexamined. Experimental data for this reaction, measured at two different energies, are analyzed with the same reaction framework and structure models. It is shown that the seemingly different features observed in the measured excitation energy spectra can be understood as due to the different incident energy and angular range covered by the two experiments. The present results support the persistence of the N =3D 7 parity inversion beyond the neutron dripline as well as the splitting of the well-known low-lying p-wave resonance. Furthermore, they provide indirect evidence that most of the l =3D 2 single-particle strength, including possible d(5/2) resonances, lies at relatively high excitations energies. (C) 2019 The Author(s). Published by Elsevier B.V.
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  • On the translation invariant operators on l(p)(Z(d))

    Amri, Bechir   Kerfaf, Khawla  

    In this paper we study boundedness of translation invariant operators on the discrete space lp(Zd). In this context a Mikhlin type multiplier theorem is given, yielding boundedness for certain known operators. We also give lp-lq boundedness of a discrete wave equation.
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  • Processing-Microstructure Relation of Deformed and Partitioned (D&P) Steels

    Liu, Li   He, Binbin   Huang, Mingxin  

    An ultrastrong and ductile deformed and partitioned (D&P) steel developed by dislocation engineering has been reported recently. However, the microstructure evolution during the D&P processes has not yet been fully understood. The present paper aims to elucidate the process-microstructure relation in D&P process. Specifically, the evolution of phase fraction and microstructure during the corresponding D&P process are captured by means of X-ray diffraction (XRD) and electron backscatter diffraction (EBSD). Subsequently, the effect of partitioning temperature on dislocation density and mechanical properties of D&P steel is investigated with the assistance of uniaxial tensile tests and synchrotron X-ray diffraction. It is found that a heterogeneous microstructure is firstly realized by hot rolling. The warm rolling is crucial in introducing dislocations, while deformation-induced martensite is mainly formed during cold rolling. The dislocation density of the D&P steel gradually decreases with the increase of partitioning temperature, while the high yield strength is maintained owing to the bake hardening. The ductility is firstly enhanced while then deteriorated by increasing partitioning temperature due to the strong interaction between dislocation and interstitial atoms at higher partitioning temperatures.
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