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“School of Particles”

Paper IPM / Particles / 12011

School of Particles and Accelerator

Title:

Search for New Physics with Jets and Missing Transverse Momentum in pp Collisions at sqrt(s) = 7 TeV

Author(s):

1 .	Hessamadin Arfaei
2 .	Hamed Bakhshiansohi
3 .	Seyed Mohsen Etesami
4 .	Ali Fahim
5 .	Majid Hashemi
6 .	Abideh Jafari
7 .	Mohsen Khakzad
8 .	A Mohammadi
9 .	Mojtaba Mohammadi Najafabadi
10 .	Saeid Paktinat Mehdiabadi
11 .	Batool Safarzadeh
12 .	Maryam Zeinali

Status:

Submitted

Journal:

High Energy Physics

Year:

2011

Supported by:

IPM

Abstract:

A search for new physics is presented based on an event signature of at least three jets accompanied by large missing transverse momentum, using a data sample corresponding to an integrated luminosity of 36 pb (-1) collected in proton?proton collisions at sqrt(s) = 7 TeV with the CMS detector at the LHC. No excess of events is observed above the expected standard model backgrounds, which are all estimated from the data. Exclusion limits are presented for the constrained minimal supersymmetric extension of the standard model. Cross section limits are also presented using simplified models with new particles decaying to an undetected particle and one or two jets

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