Component Manual for the Neutron Ray-Tracing Package McStas, version 3.8.6

14.102  The TOF2Q_cyl_monitor McStas Component

Release: McStas 2.0

Cylindrical (2pi) 2theta v. q Time-of-flight monitor.

Identification

Description

Cylindrical (2pi) 2theta v. q Time-of-flight monitor.

Input parameters

Parameters in boldface are required; the others are optional.

Name

Unit

Description

Default

nq

1

Number of q bins

100

nphi

1

Number of angular bins

100

nh

1

Number of bins in detector height

10

restore_neutron

1

If set, the monitor does not influence the neutron state

0

filename

str

Name of file in which to store the detector image

0

radius

m

Cylinder radius

1.0

height

m

Cylinder height

0.1

q_min

1/Å

Minimum q value

0

q_max

1/Å

Maximum q value

20

L_chop2samp

m

Distance from resolution chopper to sample position

144.0

t_chop

ms

Flight time of mean wave length from source to resolution chopper

0.004

pixel

1

Flag, 0: no pixelation and perfect time. 1: make pixels from nphi and nh and time resolution limitation.

1

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