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Author |
Pimikov, A.V.; Mikhailov, S.V.; Stefanis, N.G. |
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Title |
Rho Meson Distribution Amplitudes from QCD Sum Rules with Nonlocal Condensates |
Type |
Journal Article |
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Year |
2014 |
Publication |
Few-Body Systems |
Abbreviated Journal |
Few-Body Syst. |
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Volume |
55 |
Issue |
5-7 |
Pages |
401-406 |
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Abstract |
The leading-twist distribution amplitude for the longitudinal rho-meson was studied using QCD Sum Rules with nonlocal condensates and a spectral density which includes next-to-leading order radiative corrections. The obtained profile is compared with results from standard QCD sum rules, lattice QCD, holographic QCD, a light-front quark model, and the instanton liquid model. Preliminary estimates for the first two moments of the transverse rho-meson distribution amplitude are also given. |
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Address ![sorted by Address field, ascending order (up)](img/sort_asc.gif) |
[Pimikov, A. V.] Univ Valencia, CSIC, IFIC, Dept Fis Teor, E-46100 Valencia, Spain, Email: pimikov@mail.ru; |
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Publisher |
Springer Wien |
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English |
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ISSN |
0177-7963 |
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Notes |
WOS:000338316600014 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1837 |
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Author |
Pujades, M.C.; Granero, D.; Vijande, J.; Ballester, F.; Perez-Calatayud, J.; Papagiannis, P.; Siebert, F.A. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Air-kerma evaluation at the maze entrance of HDR brachytherapy facilities |
Type |
Journal Article |
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Year |
2014 |
Publication |
Journal of Radiological Protection |
Abbreviated Journal |
J. Radiol. Prot. |
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Volume |
34 |
Issue |
4 |
Pages |
741-753 |
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Keywords |
bunker; shielding; NCRP 151; brachytherapy; Monte Carlo |
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Abstract |
In the absence of procedures for evaluating the design of brachytherapy (BT) facilities for radiation protection purposes, the methodology used for external beam radiotherapy facilities is often adapted. The purpose of this study is to adapt the NCRP 151 methodology for estimating the air-kerma rate at the door in BT facilities. Such methodology was checked against Monte Carlo (MC) techniques using the code Geant4. Five different facility designs were studied for Ir-192 and Co-60 HDR applications to account for several different bunker layouts. For the estimation of the lead thickness needed at the door, the use of transmission data for the real spectra at the door instead of the ones emitted by Ir-192 and Co-60 will reduce the lead thickness by a factor of five for Ir-192 and ten for Co-60. This will significantly lighten the door and hence simplify construction and operating requirements for all bunkers. The adaptation proposed in this study to estimate the air-kerma rate at the door depends on the complexity of the maze: it provides good results for bunkers with a maze (i.e. similar to those used for linacs for which the NCRP 151 methodology was developed) but fails for less conventional designs. For those facilities, a specific Monte Carlo study is in order for reasons of safety and cost-effectiveness. |
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Address ![sorted by Address field, ascending order (up)](img/sort_asc.gif) |
[Pujades, M. C.] Natl Ctr Dosimetry CND, Valencia, Spain, Email: mpuclau@gmail.com |
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Publisher |
Iop Publishing Ltd |
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English |
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ISSN |
0952-4746 |
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Notes |
WOS:000345895800005 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
2031 |
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Permanent link to this record |
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Author |
Racker, J.; Rius, N. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Helicitogenesis: WIMPy baryogenesis with sterile neutrinos and other realizations |
Type |
Journal Article |
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Year |
2014 |
Publication |
Journal of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
11 |
Issue |
11 |
Pages |
163 - 19pp |
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Keywords |
Cosmology of Theories beyond the SM; Beyond Standard Model |
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Abstract |
We propose a mechanism for baryogenesis from particle decays or annihilations that can work at the TeV scale. Some heavy particles annihilate or decay into a heavy sterile neutrino N (with M greater than or similar to 0.5 TeV) and a “light” one nu (with m << 100 GeV), generating an asymmetry among the two helicity degrees of freedom of nu. This asymmetry is partially transferred to Standard Model leptons via fast Yukawa interactions and reprocessed into a baryon asymmetry by the electroweak sphalerons. We illustrate this mechanism in a WIMPy baryogenesis model where the helicity asymmetry is generated in the annihilation of dark matter. This model connects the baryon asymmetry, dark matter, and neutrino masses. Moreover it also complements previous studies on general requirements for baryogenesis from dark matter annihilation. Finally we discuss other possible realizations of this helicitogenesis mechanism. |
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Address ![sorted by Address field, ascending order (up)](img/sort_asc.gif) |
[Racker, J.; Rius, N.] Univ Valencia, Dept Fis Teor, Inst Fis Corpuscular IFIC, CSIC, Valencia 46071, Spain, Email: racker@ific.uv.es; |
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Publisher |
Springer |
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English |
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ISSN |
1029-8479 |
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Notes |
WOS:000347909700009 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ pastor @ |
Serial |
2078 |
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Permanent link to this record |
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Author |
Rebel, B.; Hall, C.; Bernard, E.; Faham, C.H.; Ito, T.M.; Lundberg, B.; Messina, M.; Monrabal, F.; Pereverzev, S.P.; Resnati, F.; Rowson, P.C.; Soderberg, M.; Strauss, T.; Tomas, A.; Va'vra, J.; Wang, H. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
High voltage in noble liquids for high energy physics |
Type |
Journal Article |
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Year |
2014 |
Publication |
Journal of Instrumentation |
Abbreviated Journal |
J. Instrum. |
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Volume |
9 |
Issue |
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Pages |
T08004 - 57pp |
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Keywords |
Noble liquid detectors (scintillation, ionization, double-phase); Neutrino detectors; Neutron detectors (cold, thermal, fast neutrons); Dark Matter detectors (WIMPs, axions, etc.) |
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Abstract |
A workshop was held at Fermilab November 8-9, 2013 to discuss the challenges of using high voltage in noble liquids. The participants spanned the fields of neutrino, dark matter, and electric dipole moment physics. All presentations at the workshop were made in plenary sessions. This document summarizes the experiences and lessons learned from experiments in these fields at developing high voltage systems in noble liquids. |
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Address ![sorted by Address field, ascending order (up)](img/sort_asc.gif) |
[Rebel, B.; Soderberg, M.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA, Email: rebel@fnal.gov |
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Publisher |
Iop Publishing Ltd |
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Language |
English |
Summary Language |
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Original Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1748-0221 |
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Notes |
WOS:000341927600043 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1947 |
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Permanent link to this record |
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Author |
Ren, X.L.; Geng, L.S.; Oset, E.; Meng, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Test of h(1)(1830) made of K*K* with the eta(c) ->phi K*K* decay |
Type |
Journal Article |
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Year |
2014 |
Publication |
European Physical Journal A |
Abbreviated Journal |
Eur. Phys. J. A |
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Volume |
50 |
Issue |
8 |
Pages |
133 - 5pp |
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Keywords |
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Abstract |
We present a new reaction, complementary to from which an h (1) resonance with mass around 1830 MeV was reported from a BESIII experiment. The new reaction is , or . Using the information from the analysis of , we find that the invariant mass distribution for those two Iu decays exhibits a clear peak around 1830 MeV perfectly distinguishable from what one obtains with pure phase space. We suggest the implementation of these reactions to assert the existence of this elusive resonance which, by its nature as a vector-vector molecule with 0(-)(1(+-)) quantum numbers, only couples to the channel. |
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Address ![sorted by Address field, ascending order (up)](img/sort_asc.gif) |
[Ren, Xiu-Lei; Geng, Li-Sheng; Oset, E.; Meng, Jie] Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China, Email: lisheng.geng@buaa.edu.cn; |
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Publisher |
Springer |
Place of Publication |
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Editor |
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Language |
English |
Summary Language |
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Original Title |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1434-6001 |
ISBN |
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Medium |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000341425400001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1921 |
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Permanent link to this record |