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Probing supersymmetry using event shape variables at the 8 TeV LHC (2012)

Rajdeep M. Chatterjee, Monoranjan Guchait, and Dipan Sengupta

American Physical Society (APS)

In: Physical Review D

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Publication Date: 2012-10-11

Description: Author(s): Rajdeep M. Chatterjee, Monoranjan Guchait, and Dipan Sengupta We have revisited the prospects of supersymmetry searches at the LHC with 7 TeV energy along with the prediction of the discovery potential at 8 TeV energy assuming an integrated luminosity 5 fb -1 and 20 fb -1 with minimal supergravity/minimal supersymmetric standard model as a model framework. We ... [Phys. Rev. D 86, 075014] Published Wed Oct 10, 2012

Keywords: Beyond the standard model

Print ISSN: 0556-2821

Electronic ISSN: 1089-4918

Topics: Physics

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How constrained is the constrained MSSM? (2012)

Diptimoy Ghosh, Monoranjan Guchait, Sreerup Raychaudhuri, and Dipan Sengupta

American Physical Society (APS)

In: Physical Review D

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Publication Date: 2012-09-11

Description: Author(s): Diptimoy Ghosh, Monoranjan Guchait, Sreerup Raychaudhuri, and Dipan Sengupta We study the allowed parameter space of the constrained minimal supersymmetric Standard Model (cMSSM) in the light of direct searches, constraints from B -physics (including the recent measurement of the branching ratio for B s → μ + μ - ) and the dark matter relic density. For low or moderate values of tan... [Phys. Rev. D 86, 055007] Published Mon Sep 10, 2012

Keywords: Beyond the standard model

Print ISSN: 0556-2821

Electronic ISSN: 1089-4918

Topics: Physics

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Probing a mixed neutralino dark matter model at the 7 TeV LHC (2012)

Monoranjan Guchait, D. P. Roy, and Dipan Sengupta

American Physical Society (APS)

In: Physical Review D

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Publication Date: 2012-02-23

Description: Author(s): Monoranjan Guchait, D. P. Roy, and Dipan Sengupta We have analyzed the prospect of probing a nonuniversal gaugino mass model of mixed bino-Higgsino dark matter at the current 7 TeV run of LHC. It provides cosmologically compatible dark matter relic density over two broad bands of parameters, corresponding to m g ˜ 〈 m q ˜ and m g ˜ ∼ m q ˜ . The supersymmetr... [Phys. Rev. D 85, 035024] Published Wed Feb 22, 2012

Keywords: Beyond the standard model

Print ISSN: 0556-2821

Electronic ISSN: 1089-4918

Topics: Physics

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Event-shape selection cuts for supersymmetry searches at the LHC with 7 TeV energy (2011)

Monoranjan Guchait and Dipan Sengupta

American Physical Society (APS)

In: Physical Review D

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Publication Date: 2011-09-14

Description: Author(s): Monoranjan Guchait and Dipan Sengupta We investigate the prospects of supersymmetry searches at the LHC with 7 TeV energy. A new set of selection cuts is proposed based on event shapes to control backgrounds. Our preliminary studies show that it is possible to minimize backgrounds to a significantly low level and a conservative estimate... [Phys. Rev. D 84, 055010] Published Tue Sep 13, 2011

Keywords: Beyond the standard model

Print ISSN: 0556-2821

Electronic ISSN: 1089-4918

Topics: Physics

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Suppressing defect production during passage through a quantum critical point (2014)

Jay D. Sau and K. Sengupta

American Physical Society (APS)

In: Physical Review B

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Publication Date: 2014-09-23

Description: Author(s): Jay D. Sau and K. Sengupta We show that a closed quantum system driven through a quantum critical point with two rates ω1 (which controls its proximity to the quantum critical point) and ω2 (which controls the dispersion of the low-energy quasiparticles at the critical point) exhibits novel scaling laws for defect density n a... [Phys. Rev. B 90, 104306] Published Mon Sep 22, 2014

Keywords: Dynamics, dynamical systems, lattice effects

Print ISSN: 1098-0121

Electronic ISSN: 1095-3795

Topics: Physics

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Functional Strain-Line Pattern in the Human Left Ventricle (2012)

Gianni Pedrizzetti, Elisabeth Kraigher-Krainer, Alessio De Luca, Giuseppe Caracciolo, Jan O. Mangual, Amil Shah, Loira Toncelli, Federico Domenichini, Giovanni Tonti, Giorgio Galanti, Partho P. Sengupta, Jagat Narula, and Scott Solomon

American Physical Society (APS)

In: Physical Review Letters

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Publication Date: 2012-07-27

Description: Author(s): Gianni Pedrizzetti, Elisabeth Kraigher-Krainer, Alessio De Luca, Giuseppe Caracciolo, Jan O. Mangual, Amil Shah, Loira Toncelli, Federico Domenichini, Giovanni Tonti, Giorgio Galanti, Partho P. Sengupta, Jagat Narula, and Scott Solomon Analysis of deformations in terms of principal directions appears well suited for biological tissues that present an underlying anatomical structure of fiber arrangement. We applied this concept here to study deformation of the beating heart in vivo analyzing 30 subjects that underwent accurate thre... [Phys. Rev. Lett. 109, 048103] Published Thu Jul 26, 2012

Keywords: Soft Matter, Biological, and Interdisciplinary Physics

Print ISSN: 0031-9007

Electronic ISSN: 1079-7114

Topics: Physics

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Dynamic freezing and defect suppression in the tilted one-dimensional Bose-Hubbard model (2014)

U. Divakaran and K. Sengupta

American Physical Society (APS)

In: Physical Review B

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Publication Date: 2014-11-20

Description: Author(s): U. Divakaran and K. Sengupta We study the dynamics of a tilted one-dimensional Bose-Hubbard model for two distinct protocols using numerical diagonalization for a finite sized system (N≤18). The first protocol involves periodic variation of the effective electric field E seen by the bosons which takes the system twice (per driv... [Phys. Rev. B 90, 184303] Published Wed Nov 19, 2014

Keywords: Dynamics, dynamical systems, lattice effects

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Liquid Crystal Microfluidics for Tunable Flow Shaping (2013)

Anupam Sengupta, Uroš Tkalec, Miha Ravnik, Julia M. Yeomans, Christian Bahr, and Stephan Herminghaus

American Physical Society (APS)

In: Physical Review Letters

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Publication Date: 2013-01-26

Description: Author(s): Anupam Sengupta, Uroš Tkalec, Miha Ravnik, Julia M. Yeomans, Christian Bahr, and Stephan Herminghaus We explore the flow of a nematic liquid crystal in microfluidic channels with a rectangular cross section through experiments and numerical modeling. The flow profile and the liquid crystal orientational profile show three distinct regimes of weak, medium, and strong flow as the driving pressure is ... [Phys. Rev. Lett. 110, 048303] Published Fri Jan 25, 2013

Keywords: Soft Matter, Biological, and Interdisciplinary Physics

Print ISSN: 0031-9007

Electronic ISSN: 1079-7114

Topics: Physics

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