Search for Low-mass Weakly Interacting Massive Particles with SuperCDMS

Overview

Journal Phys Rev Lett

Publisher American Physical Society

Specialty Biophysics

Date 2014 Jul 5

PMID 24996080

Citations 4

Authors

R Agnese

A J Anderson

M Asai

D Balakishiyeva

R Basu Thakur

D A Bauer

J Beaty

J Billard

A Borgland

M A Bowles

D Brandt

P L Brink

R Bunker

B Cabrera

D O Caldwell

D G Cerdeno

H Chagani

Y Chen

M Cherry

J Cooley

B Cornell

C H Crewdson

P Cushman

M Daal

D Devaney

P C F Di Stefano

E do Couto E Silva

T Doughty

L Esteban

S Fallows

E Figueroa-Feliciano

G L Godfrey

S R Golwala

J Hall

S Hansen

H R Harris

S A Hertel

B A Hines

T Hofer

D Holmgren

L Hsu

M E Huber

A Jastram

O Kamaev

B Kara

M H Kelsey

S Kenany

A Kennedy

M Kiveni

K Koch

A Leder

B Loer

E Lopez Asamar

R Mahapatra

V Mandic

C Martinez

K A McCarthy

N Mirabolfathi

R A Moffatt

R H Nelson

L Novak

K Page

R Partridge

M Pepin

A Phipps

M Platt

K Prasad

M Pyle

H Qiu

W Rau

P Redl

A Reisetter

R W Resch

Y Ricci

M Ruschman

T Saab

B Sadoulet

J Sander

R L Schmitt

K Schneck

R W Schnee

S Scorza

D N Seitz

B Serfass

B Shank

D Speller

A Tomada

S Upadhyayula

A N Villano

B Welliver

D H Wright

S Yellin

J J Yen

B A Young

J Zhang

Affiliations

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Abstract

We report a first search for weakly interacting massive particles (WIMPs) using the background rejection capabilities of SuperCDMS. An exposure of 577 kg days was analyzed for WIMPs with mass <30 GeV/c(2), with the signal region blinded. Eleven events were observed after unblinding. We set an upper limit on the spin-independent WIMP-nucleon cross section of 1.2×10(-42) cm(2) at 8 GeV/c(2). This result is in tension with WIMP interpretations of recent experiments and probes new parameter space for WIMP-nucleon scattering for WIMP masses <6 GeV/c(2).

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