3,232 research outputs found
Vortices in equilibrium scalar electrodynamics
No full textRajantie A, Kajantie K, Laine M, Karjalainen M, Peisa J. Vortices in equilibrium scalar electrodynamics. In: Nath P, ed. Particles, Strings and Cosmology, Proceedings of the Sixth International Symposium, PASCOS 98. World Scientific; 1999: 767-770
The development of supergravity grand unification: Circa 1982 1985
No full textThe development in the early eighties of supergravity grand unified models with gravity-mediated breaking of supersymmetry has led to a remarkable progress in the study of supersymmetry at colliders, in dark matter and in a variety of other experimental searches in the intervening years since that time. The purpose of this note is to review this development and describe our construction of this theory in the period 1982-1985. © 2012 World Scientific Publishing Company.Aad G, 2012, PHYS LETT B, V716, P1, DOI 10.1016-j.physletb.2012.08.020; Ahmed Z, 2010, SCIENCE, V327, P1619, DOI 10.1126-science.1186112; Ahmed Z, 2009, PHYS REV LETT, V102, DOI 10.1103-PhysRevLett.102.011301; Akula S, 2012, PHYS REV D, V85, DOI 10.1103-PhysRevD.85.075001; ALVAREZGAUME L, 1983, NUCL PHYS B, V221, P495, DOI 10.1016-0550-3213(83)90591-6; Aprile E., ARXIV11042549ASTROPH; ARNOWITT R, 1983, PHYS REV LETT, V50, P232, DOI 10.1103-PhysRevLett.50.232; ARNOWITT R, 1985, PHYS LETT B, V156, P215, DOI 10.1016-0370-2693(85)91512-6; ARNOWITT R, 1992, PHYS REV LETT, V69, P725, DOI 10.1103-PhysRevLett.69.725; Arnowitt R., 1962, GRAVITATION INTRO CU; Arnowitt R, 2008, PHYS REV LETT, V100, DOI 10.1103-PhysRevLett.100.231802; ARNOWITT R, 1975, PHYS LETT B, VB 56, P81, DOI 10.1016-0370-2693(75)90504-3; Arnowitt R. L., 1983, WORKSH PROBL UN SUP; BAER H, 1994, PHYS REV D, V50, P2148, DOI 10.1103-PhysRevD.50.2148; BAER H, 1986, PHYS REV LETT, V57, P294, DOI 10.1103-PhysRevLett.57.294; Baer H., 2006, WEAK SCALE SUPERSYMM; BAER H, 1985, PHYS LETT B, V155, P278, DOI 10.1016-0370-2693(85)90654-9; BAER H, 1994, PHYS REV D, V50, P4508, DOI 10.1103-PhysRevD.50.4508; BARBIERI R, 1982, PHYS LETT B, V119, P343, DOI 10.1016-0370-2693(82)90685-2; BARBIERI R, 1982, PHYS LETT B, V113, P219, DOI 10.1016-0370-2693(82)90825-5; BARGER V, 1994, PHYS REV D, V49, P4908, DOI 10.1103-PhysRevD.49.4908; Bornhauser S, 2012, EUR PHYS J C, V72, DOI 10.1140-epjc-s10052-012-1887-3; Bouchet FR, 2007, MOD PHYS LETT A, V22, P1857, DOI 10.1142-S0217732307025078; Bueno A., 2007, JHEP, V0704, P041, DOI 10.1088-1126-6708-2007-04-041; CANDELAS P, 1985, NUCL PHYS B, V258, P46, DOI 10.1016-0550-3213(85)90602-9; CHAMSEDDINE AH, 1981, PHYS REV D, V24, P3065, DOI 10.1103-PhysRevD.24.3065; CHAMSEDDINE AH, 1977, NUCL PHYS B, V129, P39, DOI 10.1016-0550-3213(77)90018-9; CHAMSEDDINE AH, 1981, NUCL PHYS B, V185, P403, DOI 10.1016-0550-3213(81)90326-6; CHAMSEDDINE AH, 1982, PHYS REV LETT, V49, P970, DOI 10.1103-PhysRevLett.49.970; CHAMSEDDINE AH, 1983, PHYS LETT B, V129, P445, DOI 10.1016-0370-2693(83)90137-5; Chamseddine AH, 2001, NUCL PHYS B-PROC SUP, V101, P145, DOI 10.1016-S0920-5632(01)01501-8; Chatrchyan S, 2012, PHYS LETT B, V716, P30, DOI 10.1016-j.physletb.2012.08.021; CREMMER E, 1982, PHYS LETT B, V116, P231, DOI 10.1016-0370-2693(82)90332-X; CREMMER E, 1983, NUCL PHYS B, V212, P413, DOI 10.1016-0550-3213(83)90679-X; CREMMER E, 1979, NUCL PHYS B, V147, P105, DOI 10.1016-0550-3213(79)90417-6; DESER S, 1976, PHYS LETT B, V62, P335, DOI 10.1016-0370-2693(76)90089-7; DICUS DA, 1983, PHYS REV LETT, V51, P1030, DOI 10.1103-PhysRevLett.51.1030; DICUS DA, 1983, PHYS LETT B, V129, P451, DOI 10.1016-0370-2693(83)90138-7; DIMOPOULOS S, 1982, PHYS LETT B, V112, P133, DOI 10.1016-0370-2693(82)90313-6; DIMOPOULOS S, 1981, NUCL PHYS B, V193, P150, DOI 10.1016-0550-3213(81)90522-8; DIMOPOULOS S, 1981, PHYS REV D, V24, P1681, DOI 10.1103-PhysRevD.24.1681; Drees M., 2004, SPARTICLES; ELIASSON E, 1984, PHYS LETT B, V147, P65, DOI 10.1016-0370-2693(84)90593-8; Ellis J, ARXIV12023262HEPPH; ELLIS J, 1984, NUCL PHYS B, V247, P373, DOI 10.1016-0550-3213(84)90555-8; ELLIS J, 1982, NUCL PHYS B, V202, P43, DOI 10.1016-0550-3213(82)90220-6; ELLIS J, 1983, PHYS LETT B, V121, P123, DOI 10.1016-0370-2693(83)90900-0; ELLIS J, 1984, NUCL PHYS B, V238, P453, DOI 10.1016-0550-3213(84)90461-9; FAYET P, 1975, NUCL PHYS B, VB 90, P104, DOI 10.1016-0550-3213(75)90636-7; Feldman D, 2007, PHYS REV LETT, V99, DOI 10.1103-PhysRevLett.99.251802; FERRARA S, 1978, PHYS LETT B, V76, P404, DOI 10.1016-0370-2693(78)90893-6; FERRARA S, 1983, PHYS LETT B, V123, P214, DOI 10.1016-0370-2693(83)90425-2; FREEDMAN DZ, 1976, PHYS REV D, V13, P3214, DOI 10.1103-PhysRevD.13.3214; GIRARDELLO L, 1982, NUCL PHYS B, V194, P65, DOI 10.1016-0550-3213(82)90512-0; GIUDICE GF, 1988, PHYS LETT B, V206, P480, DOI 10.1016-0370-2693(88)91613-9; GOLDBERG H, 1983, PHYS REV LETT, V50, P1419, DOI 10.1103-PhysRevLett.50.1419; GOLFAND YA, 1971, JETP LETT-USSR, V13, P323; HABER HE, 1985, PHYS REP, V117, P75, DOI 10.1016-0370-1573(85)90051-1; Hagiwara K, 2011, J PHYS G NUCL PARTIC, V38, DOI 10.1088-0954-3899-38-8-085003; HALL L, 1983, PHYS REV D, V27, P2359, DOI 10.1103-PhysRevD.27.2359; Heinemeyer S, 2004, NUCL PHYS B, V699, P103, DOI 10.1016-j.nuclphysb.2004.08.014; Herten G., COMMUNICATION; Hoecker A, 2011, NUCL PHYS B-PROC SUP, V218, P189, DOI 10.1016-j.nuclphysbps.2011.06.031; IBANEZ L, 1982, PHYS LETT B, V118, P73, DOI 10.1016-0370-2693(82)90604-9; IBANEZ L, 1982, PHYS LETT B, V110, P215; IBANEZ LE, 1984, NUCL PHYS B, V233, P511, DOI 10.1016-0550-3213(84)90581-9; IBANEZ LE, 1985, NUCL PHYS B, V256, P218, DOI 10.1016-0550-3213(85)90393-1; IBANEZ LE, 1983, PHYS LETT B, V126, P54, DOI 10.1016-0370-2693(83)90015-1; INOUE K, 1982, PROG THEOR PHYS, V68, P927, DOI 10.1143-PTP.68.927; KANE GL, 1994, PHYS REV D, V49, P6173, DOI 10.1103-PhysRevD.49.6173; Komatsu E., 2007, ASTROPHYS J SUPPL SE, V170, P377; Komatsu E., 2003, ASTROPHYS J, V148, P175; Komatsu E, 2011, ASTROPHYS J SUPPL S, V192, DOI 10.1088-0067-0049-192-2-18; KOSOWER DA, 1983, PHYS LETT B, V133, P305, DOI 10.1016-0370-2693(83)90152-1; KRAUSS LM, 1983, NUCL PHYS B, V227, P556, DOI 10.1016-0550-3213(83)90574-6; Martin S.P., 1998, PERSPECTIVES SUPERSY, P1; NATH P, 1985, PHYS REV D, V32, P2348, DOI 10.1103-PhysRevD.32.2348; NATH P, 1975, PHYS LETT B, VB 56, P177, DOI 10.1016-0370-2693(75)90297-X; Nath P., 1983, 2588 NUB; Nath P., 1987, MOD PHYS LETT A, V2, P331, DOI 10.1142-S0217732387000446; NATH P, 1983, PHYS LETT B, V121, P33, DOI 10.1016-0370-2693(83)90196-X; Nath P., 1984, APPL N 1 SUPERGRAVIT; NATH P, 1983, NUCL PHYS B, V227, P121, DOI 10.1016-0550-3213(83)90145-1; Nath P., 1984, SUPERSYMMETRY SUPERG, P113; NILLES HP, 1984, PHYS REP, V110, P1, DOI 10.1016-0370-1573(84)90008-5; NILLES HP, 1983, PHYS LETT B, V124, P337, DOI 10.1016-0370-2693(83)91467-3; NILLES HP, 1983, PHYS LETT B, V120, P346, DOI 10.1016-0370-2693(83)90460-4; OVRUT BA, 1982, PHYS LETT B, V119, P105, DOI 10.1016-0370-2693(82)90255-6; Polonyi J., 1977, FKI197793 U BUD; RAMOND P, 1971, PHYS REV D, V3, P2415, DOI 10.1103-PhysRevD.3.2415; ROSS GG, 1992, NUCL PHYS B, V377, P571, DOI 10.1016-0550-3213(92)90302-R; Rubbia A, 2009, J PHYS CONF SER, V171, DOI 10.1088-1742-6596-171-1-012020; SAKAI N, 1981, Z PHYS C PART FIELDS, V11, P153, DOI 10.1007-BF01573998; SAKAI N, 1982, NUCL PHYS B, V197, P533, DOI 10.1016-0550-3213(82)90457-6; SEN A, 1984, PHYS REV D, V30, P2608, DOI 10.1103-PhysRevD.30.2608; SONI SK, 1983, PHYS LETT B, V126, P215, DOI 10.1016-0370-2693(83)90593-2; STELLE KS, 1978, PHYS LETT B, V77, P376, DOI 10.1016-0370-2693(78)90581-6; Tonelli G., COMMUNICATION; VOLKOV DV, 1972, JETP LETT+, V16, P438; WEINBERG S, 1982, PHYS REV D, V26, P287, DOI 10.1103-PhysRevD.26.287; WEINBERG S, 1976, PHYS LETT B, V62, P111, DOI 10.1016-0370-2693(76)90062-9; WEINBERG S, 1982, PHYS REV LETT, V48, P1776, DOI 10.1103-PhysRevLett.48.1776; WEINBERG S, 1983, PHYS REV LETT, V50, P387, DOI 10.1103-PhysRevLett.50.387; WESS J, 1974, NUCL PHYS B, VB 70, P39, DOI 10.1016-0550-3213(74)90355-1; WESS J, 1974, NUCL PHYS B, VB 78, P1, DOI 10.1016-0550-3213(74)90112-6; WITTEN E, 1981, NUCL PHYS B, V188, P513, DOI 10.1016-0550-3213(81)90006-7; WITTEN E, 1982, NUCL PHYS B, V202, P253, DOI 10.1016-0550-3213(82)90071-2; YUAN TC, 1984, Z PHYS C PART FIELDS, V26, P407, DOI 10.1007-BF0145256733
The Forman Christian College Monthly
No full textSocial Service NumberEditorials. pp. 3-5; Chapel Talks. pp. 6-8; Greene, T. M.-Social Service Report for 1920. pp. 8-11; Prithvi Chand-Annual Report of the Fives' Rise Society. pp. 12-13; Durga Pershad-The Library. pp. 14-15; Alumni Notes. pp. 15-16; News and Notes. pp. 16; Shiv Nath Dar-Morality-A Stepping Stone to a Higher State. pp. 17-20; Greene, T. M.-First Impressions of India-II: Dussehra Ram Lila. pp. 21-24; Cyril P. K. Fazal-India's Contribution to Civilization. pp. 25; Madan Gopal Rishi-My Home Town. pp. 26-27; Hutchins, William J.-Prize Code of Morals for Young Men and Women. pp. 28-32; Book Reviews. pp. 32-3
Search for the decays
No full textInternational audienceWe report the results of a search for the B→Y(4260)K, Y(4260)→J/ψπ+π- decays. This study is based on a data sample corresponding to an integrated luminosity of 711 fb-1, collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We investigate the J/ψπ+π- invariant mass distribution in the range 4.0 to 4.6 GeV/c2 using both B+→J/ψπ+π-K+ and B0→J/ψπ+π-KS0 decays. We find excesses of events above the background levels, with significances of 2.1 and 0.9 standard deviations for charged and neutral B→Y(4260)K decays, respectively, taking into account the systematic uncertainties. These correspond to upper limits on the product of branching fractions, B(B+→Y(4260)K+)×B(Y(4260)→J/ψπ+π-)<1.4×10-5 and B(B0→Y(4260)K0)×B(Y(4260)→J/ψπ+π-)<1.7×10-5 at the 90% confidence level
Is EC class predictable from reaction mechanism?
No full textWe thank the Scottish Universities Life Sciences Alliance (SULSA) and the Scottish Overseas Research Student Awards Scheme of the Scottish Funding Council (SFC) for financial support.Background: We investigate the relationships between the EC (Enzyme Commission) class, the associated chemical reaction, and the reaction mechanism by building predictive models using Support Vector Machine (SVM), Random Forest (RF) and k-Nearest Neighbours (kNN). We consider two ways of encoding the reaction mechanism in descriptors, and also three approaches that encode only the overall chemical reaction. Both cross-validation and also an external test set are used. Results: The three descriptor sets encoding overall chemical transformation perform better than the two descriptions of mechanism. SVM and RF models perform comparably well; kNN is less successful. Oxidoreductases and hydrolases are relatively well predicted by all types of descriptor; isomerases are well predicted by overall reaction descriptors but not by mechanistic ones. Conclusions: Our results suggest that pairs of similar enzyme reactions tend to proceed by different mechanisms. Oxidoreductases, hydrolases, and to some extent isomerases and ligases, have clear chemical signatures, making them easier to predict than transferases and lyases. We find evidence that isomerases as a class are notably mechanistically diverse and that their one shared property, of substrate and product being isomers, can arise in various unrelated ways. The performance of the different machine learning algorithms is in line with many cheminformatics applications, with SVM and RF being roughly equally effective. kNN is less successful, given the role that non-local information plays in successful classification. We note also that, despite a lack of clarity in the literature, EC number prediction is not a single problem; the challenge of predicting protein function from available sequence data is quite different from assigning an EC classification from a cheminformatics representation of a reaction.Peer reviewe
Behaviour of buried pipelines subjected to external loading.
No full textThe research presented in this Thesis was carried out at the University of Sheffield under
the supervision of Dr I. C. Pyrah and Dr W. F. Anderson, and Mr G. Leach at British Gas
Engineering Research Station (ERS). The research was financially supported by a British
Gas Research Scholarship and by the Overseas Research Students Awards Scheme.
The Author would like to express his sincere gratitude to his supervisors for their invaluable
help, guidance and encouragement during the development of the research.
The Author is also grateful to Dr S. R. Mi for his interest and assistance throughout the
research. Special thanks also go to Dr S. J. Wheeler for his supervision during the first year
of the research and sound advice in the initial stage of the work.
The Author would like to express his gratitude to all members of the geotechnics group at
the University of Sheffield for the useful discussions and comments. Special thanks and
appreciation are extended to the staff at the ERS, particularly Mr E. Middleton for
providing the data of the field tests and constructive comments.
The laboratory tests were performed at ERS Soils Laboratory for which the Author is
thankful to the laboratory staff. The Author must also thank British Gas for providing the
computer hardware and software for performing the numerical analyses, and the printing
facilities to produce the Thesis. Thanks also go to Mr D. Reay and Mr B. Bellwood at the
Gas Research Centre of British Gas for ensuring continuous financial support throughout
the award period.
Finally, the Author wishes to thank his family and friends for their endless support and
encouragement throughout the period of study in the UK. Without them, this Thesis may
never have been completed
Critical residues of the Mycobacterium leprae LSR recombinant protein discriminate clinical activity in erythema nodosum leprosum reactions.
No full textWe reported earlier (S. Singh, N. P. Shanker Narayan, P. J. Jenner, G. Ramu, M. J. Colston, H. K. Prasad, and I. Nath, Infect. Immun. 62:86-90, 1994) that polyclonal antibodies directed against selective sequences in the Mycobacterium leprae recombinant protein designated LSR were present in lepromatous leprosy patients undergoing erythema nodosum leprosum (ENL) reactions (type 2 reactions). In this study using peptides with single-residue deletions from positions 6 to 24, we define three distinct regions, GVTY, NAA, and RGD, which were important for antibody recognition and for the discrimination of clinically silent and active ENL reactions. Antibodies against NAA were found only in patients undergoing active reactions. This is in contrast to the results for the RGD motif, which was recognized in all ENL patients, irrespective of the clinical status. Though GVTY was recognized in both groups of patients, its recognition was masked by the flanking glutamic acid. These findings point towards a specific molecular recognition pattern that emerges when a lepromatous leprosy patient undergoes immune perturbations leading to ENL reactions. Moreover, the fine specificity of immunological recognition changes during the natural evolution of the host-parasite interaction
Critical residues of the Mycobacterium leprae LSR recombinant protein discriminate clinical activity in erythema nodosum leprosum reactions.
No full textWe reported earlier (S. Singh, N. P. Shanker Narayan, P. J. Jenner, G. Ramu, M. J. Colston, H. K. Prasad, and I. Nath, Infect. Immun. 62:86-90, 1994) that polyclonal antibodies directed against selective sequences in the Mycobacterium leprae recombinant protein designated LSR were present in lepromatous leprosy patients undergoing erythema nodosum leprosum (ENL) reactions (type 2 reactions). In this study using peptides with single-residue deletions from positions 6 to 24, we define three distinct regions, GVTY, NAA, and RGD, which were important for antibody recognition and for the discrimination of clinically silent and active ENL reactions. Antibodies against NAA were found only in patients undergoing active reactions. This is in contrast to the results for the RGD motif, which was recognized in all ENL patients, irrespective of the clinical status. Though GVTY was recognized in both groups of patients, its recognition was masked by the flanking glutamic acid. These findings point towards a specific molecular recognition pattern that emerges when a lepromatous leprosy patient undergoes immune perturbations leading to ENL reactions. Moreover, the fine specificity of immunological recognition changes during the natural evolution of the host-parasite interaction
A Study of Malaria in the Union Territory (U.T.) of Jammu and Kashmir (J & K)
No full textAim: To find out the status of Malaria in the U.T. of J & K.
Methods: The study design included an analysis of the annual reports of the National Centre for Vector-Borne Diseases Control (NCVBDC) pertaining to the years 2017 and 2018.
Results: Rajouri District in the now newly reconstituted U. T. of J & K had the highest Annual Parasite Incidence (API) of Malaria in the U.T. of 0.12 during 2017 which decreased to 0.06 in 2018.
Conclusions: If interventions like the treatment of asymptomatic carriers take place, it is expected that the API in the entire U.T. will come down sooner there
Design of low power preamplifier IC for cochlear implant using split folded cascode technique
No full textAccording to the WHO (World Health Organization) report, out of 360 million people, i.e. over 5% of world population, have a disabling hearing loss. Designing a low-cost cochlear implant for hearing aid device is therefore of great importance. The overall cochlear system consists of several blocks, namely, the microphone for sensing the sound waves, the preamplifier for boosting the signal level and the signal processing unit to generate electrical pulses for the electrode to stimulate the auditory nerve. In this paper, we address the design of the High-gain Low Power Preamplifier block for cochlear implants, as it plays a crucial role for the incoming signal to be further processed. In particular, a new technique named Split Folded Cascode (SFC) for designing the Operational Transconductance Amplifier (OTA) is proposed. This arrangement enhances the performance of normal cascode solutions. This technique splits the current in two different branches and increases the overall transconductance by 1.414 times. Simulations and post layout analysis have been carried out for the proposed preamplifier in Cadence Virtuoso using Semi-Conductor Laboratory (SCL) 180 nm technology parameters. In this proposed design a mid-band gain of 43.7 dB, bandwidth of 18–20 kHz and noise 473.47 nV/√Hz at 4 kHz are obtained
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