NDLI: Search for the Standard Model Higgs boson in the decay channel H → ZZ $^{(*)}$ → 4l at CMS

Content Provider	Springer Nature Link
Author	GURPREET SINGH, CHAHAL
Copyright Year	2012
Abstract	A search for the Standard Model (SM) Higgs boson in the decay channel H → ZZ $^{( ∗ )}$ → 4l with each Z boson decaying to an electron or muon pair is presented using pp collisions from the LHC at $\sqrt s = 7$ TeV. The data analysed correspond to an integrated luminosity of 1.66 ±0.07 fb$^{ − 1}$ recorded by the CMS detector in 2010 and 2011. The search covers Higgs boson mass (m $_{H}$) hypotheses of $110 < m_{\rm H} < 600~{\rm GeV/c^{2}}$ . Twenty-one events are observed, while 21.2 ±0.8 events are expected from Standard Model (SM) background processes. The events are not clustered in mass excluding interpretation as the SM Higgs boson and its (4l) mass distribution is consistent with the expectation of SM continuum production of ZZ $^{( ∗ )}$ pairs. Upper limits at 95% CL on the cross-section × branching ratio for a SM Higgs boson with SM like decays exclude cross-sections from about once to twice the expected SM cross-section for masses in the range of $150< m_{\rm H} < 420~{\rm GeV/c^{2}}$ .
Starting Page	1321
Ending Page	1324
Page Count	4
File Format	PDF
ISSN	03044289
Journal	Pramana
Volume Number	79
Issue Number	5
e-ISSN	09737111
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-11-15
Publisher Place	India
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CMS Standard Model Higgs Boson Physics Astronomy, Observations and Techniques Astrophysics and Astroparticles
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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