Typical muon detectors consist of photomultiplying tubes lined with a scintillatorwhen a particle such as a muon bounces through the detector, the photomultiplying tube multiplies the current produced by the emitted light. We discuss the individual components for the project below as well as provide pictures of each component in the. Kirbyz physics department, massachusetts institute of technology, cambridge, ma 029. This paper describes the construction of a desktop muon detector, an undergraduatelevel physics project that develops machineshop and electronicsshop technical skills. Oct 17, 2019 an arduino that has as many digital pins as you want rows and columns combined. Quarknet cosmic ray muon detector users manual series 6000 daq. Handheld muon detector catches ghostly cosmic ray particles. This is a basic muon detector that uses three geigermuller tubes, three highvoltage supplies, and a teensy arduino compatible microcontroller. Pocketsized device detects charged particles in surrounding air. Muon telescope detector click to edit master subtitle style star regional meeting, kolkata, india, january 911, 2012 1 the muon telescope detector w. This project shows how to take photos with a raspberry pi when motion is detected. The term compact muon solenoid comes from the relatively compact size of the detector, the fact that it detects muons, and the use of solenoids in the detector. The researchers would like to apply their pocket detector as a means of muon tomography, a technique that uses the distribution of muons to create a 3d image of.
The threshold for a signal from the sipm to trigger the data acquisition can be tuned in the provided arduino software. Muons come from cosmic rays banging into atoms in our upper atmosphere. This is a basic muon detector that uses three geigermuller tubes, three highvoltage supplies, and a teensy arduinocompatible microcontroller. The detector was originally designed to provide data for undergraduate teaching purposes. Cosmic ray muon detector using geigermuller tubes within lead shielding this geigermuller array or geiger tube telescope exploits an effect called electromagnetic cascade as a means of significantly increasing the effective aperture of the detector while reducing other issues ive identified in experiments with cosmic ray detection. The desktop muon detector instruction manual june 18, 2018 the cosmicwatch desktop muon detector is a massachusetts institute of technology mit and national center for nuclear research ncbj based undergraduatelevel physics project that incorporates various aspects of electronicsshop technical development. Classically they can travel 660m special relativity. This tool completes the coincidence detector described in the post. The cosmicwatch desktop muon detector is a selfcontained, handheld cosmic ray muon detector that is valuable for astroparticle physics research applications and outreach. Python and hardware together, tinygo, or even use the arduino ide. Surprisingly, using muons to see into large dense objects like pyramids and nuclear reactors is not a new idea, but they are very expensive and complex devices not easily accessible to researchers and emergency agencies.
Use a breadboard like in photo and try the circuit before solder it on protoboard. The muon detector we want to realize is based on a plastic scintillator crystal coupled to a photomultiplier. In a june 2016 paper, we described exactly how we built the detector and provided a website link that contained all the information about our circuit boards, computeraided design drawings, and arduino software. The cosmicwatch desktop muon detectors are an mit based. The teensy provides three pwm outputs that drive the hv supplies, and watches the outputs of the tubes for the voltage spikes characteristic of an electrical avalanche signifying an ionization event. The detector itself uses 3 fluorescent tubes to detect.
The mit handheld muon detector started life as an addon for the south pole. For your information, cosmic rays are energetic particles, which is originating from outer space and impinge on earths atmosphere. An easytobuild desktop muon detector physics today scitation. The arduino is programmed using the arduino ide software. Nov 27, 2017 the arduino samples the peak detectors output and calculates the original pulses amplitude. Nov 22, 2017 the mit handheld muon detector started life as an addon for the south pole. Axani got to work and quickly devised a rough detector housed in pvc pipe. I used an arduino mega 2560 as the mega has 54 digital io pins and was the only which allowed me to make a 20 by 7 grid i needed 27 pins. Raspberry pi motion detector with photo capture random nerd. These detectors can be battery powered and used in conjunction with the provided software to make interesting physics measurements.
It is possible program it throe the arduino interface. The cosmicwatch desktop muon detector is a massachusetts institute of technology mit and national center for nuclear research ncbj based undergraduatelevel physics project. When a particle such as a muon bounces through the detector, the photomultiplying tube multiplies the current produced. The oldest and most famous example of this is the cloud chamber. The material cost of each detector is under 100 and it takes a novice student approximately four hours to build their first detector. This diy project lets you catch a falling muon techcrunch. The geiger counter boards output pin is high until a detection occurs, then it goes low for about 0. The detectors are powered via a usb connection and the data can either be recorded. Cosmic ray muon detector using geigermuller tubes thu, 05212009 07. They would be inserted into icecubes proposed lowenergy upgrade, known as pingu precision icecube next generation upgrade. After the test you can use a protoboard to connect the attiny85 to leds and antenna for upload the code on attiny85 you can use this shield and a programmer, or your arduino uno step 2. An arduino that has as many digital pins as you want rows and columns combined. The arduino samples the peak detectors output and calculates the original pulses amplitude. He also designed simple electronics and software components to display the number of muons passing through the detector, making the detector a selfcontained measurement and readout instrument.
Unfortunately a muon created as a result of cosmic rays is not easily seen, but their aftereffects when passing through is a little more easier, typically most forms of radiation detectors will do the job. Check your local regulations on how to act in case of an eventual find, in particular in case of hazardous objects, archeologica. Measuring muon lifetime introduction muons are product of interaction of cosmic rays and the atmosphere two types positive muon, negative muon electron like, except heavier, almost 200 times. A pin diode ptype, intrinsic, ntype diode is a diode with a wide region of intrinsic semiconductor material undoped contained between a ptype semiconductor and an ntype semiconductor. This is a simple tutorial to create an emf detector. The kits include a piece of plastic scintillator, a sensl silicon photomultiplier, an arduino nano, a readout screen, a customdesigned printed circuit board and a 3dprinted casing. Metal detection is a great pasttime that gets you outdoors, discover new places and maybe find something interesting. In order to detect a muon, we need to see both detectors low at the same time. Detector over a lead ingots as a shield, connected to the pulse shaper spectrum obtained with a software mca in which it is shown the peak at high energies due to the absorption of muons in the plastic scintillator crystal. As the name compact muon solenoid suggests, detecting muons is one of cmss most important tasks. We discuss the individual components for the project below as well as.
Sep 03, 2009 sebastian tomczak was borrowing a homeade muon detector from his friend, and managed to hook it up to his computer through an arduino. The kit has several improvements in compare to previously sold second editions. Icecube is designed to detect subatomic particles called neutrinos. Cosmic ray muon detection gustavus adolphus college. Nov 20, 2017 axani originally intended to build a small, handheld muon detector as a miniature addon to icecube, a huge particle detector encased in ice, deep underground at the south pole. You can use arduino for this job, but is better use a microcontroller called attiny85. Plastic crystal and pmt have been inserted inside a cylindrical metal housing. Yep, muon detector is highly related with the cosmic rays. Quarknet cosmic ray muon detector users manual series. Jan 09, 2018 the cosmicwatch desktop muon detector is a selfcontained, handheld cosmic ray muon detector that is valuable for astroparticle physics research applications and outreach. The arduino allows students to implement their own hardware.
Nov 17, 2017 this paper describes the construction of a desktop muon detector, an undergraduatelevel physics project that develops machineshop and electronicsshop technical skills. The desktop muon detector is a selfcontained apparatus that employs a plastic scintillator as the detection medium and a silicon photomultiplier for light collection. According to the detailed analysis, up to 90 percent of all the incoming cosmic ray particles are mainly protons, almost 10 percent of them are helium. Posted in misc hackstagged arduino nano, cosmic ray, cosmic ray detector, muon. For interested home diyers, the full build guide, parts list, arduino code. There is an operational cloud chamber installed and running at the south australian museum and is well worth a look i think. The desktop muon counter is triggering on muons that are produced when high energy astrophysical particles, called cosmic rays, collide with the earths atmosphere producing. The teensy provides three pwm outputs that drive the hv supplies, and watches the outputs of the tubes for the voltage spikes characteristic of an electrical avalanche signifying an ionization. Jun 14, 2017 in a june 2016 paper, we described exactly how we built the detector and provided a website link that contained all the information about our circuit boards, computeraided design drawings, and arduino software. Simply muon detector, two sbm20 works independently, but when one muon high energy photon pass through simultaneous inside of two tubes, the red led will turn on. So i built a muon detector using a couple of arduino mega boards. Within a few days after submission to the arxiv, emails began pouring in. Inside the container it has been placed also the high voltage driver for the photomultiplier tube.
Well be using a raspberry pi v2 camera and the code will be written in python programming language. To make the experiment more portable, a compact muon detector consisting. We use an arduino nano to measure the pulse amplitude and record the count number, time of the event, pulse amplitude, and detector dead time. Arduino based pulse induction metal detector friendly metal. The arduino samples the waveform produced by the peak detector circuit several times and then use those measurements to calculate the original sipm pulse amplitude. Building muon detectors is something ive been doing successfully for over 8 years and so i thought id like to give this a go. Arduino uno to atmega328 shrinking your arduino projects duration. The detector can be powered by a miniusb to usb connector. Flow diagram plastic scintillator sipm sensl 60035 smt cseries dc dc booster lt3461 amplifier lt1807 peak detector lt1807 arduino nano tp1 tp2 tp3 temperature sensor oled screen pc microsd card bnc io. It can be used as a burglar detector, to take wildlife photos or in other applications.
Typical muon detectors consist of photomultiplying tubes lined with a scintillator, a material that emits light when struck by a charged particle. Supplementary materials including code for arduino can be found in github repository. Most likes newest most viewed most commented most followers recently updated from. A simple, physicsmotivated machine and electronicsshop project for university students s. The detector can be made with common electrical parts, and when turned on, it lights up and counts each time a muon passes through. Spun off into an outreach program, the cosmic watch device is aimed.
Make a cheap muon detector using cosmicwatch hackaday. Sebastian tomczak was borrowing a homeade muon detector from his friend, and managed to hook it up to his computer through an arduino. Mit physicists have created a muon particle detector from offtheshelf parts. The peak value of energy is estimated at about 4050 mev. Select a tag ongoing project hardware software completed project misc arduino raspberry pi 2016hackadayprize 2017hackadayprize 2018hackadayprize sort by. Diy scintillation detector for cosmic muons physicsopenlab. The design of a simple, inexpensive cosmicraymuon detector has led to an. Each kit includes a piece of plastic scintillator, a sensl. Geiger counter radiation detector diy kit arduino compatible. Heams high energy astrophysics muon system is operating. Posted in misc hacks tagged arduino nano, cosmic ray, cosmic ray detector, muon. The goal of cms experiment is to investigate a wide range of physics, including the search for the higgs boson, extra dimensions, and particles that could make up dark matter. Aug 07, 20 simply muon detector, two sbm20 works independently, but when one muon high energy photon pass through simultaneous inside of two tubes, the red led will turn on. The idea was to create muon detectors to add to icecube, a neutrino detector built into the ice in antarctica.
Arduino and pythonbased software is provided to operate the detector and an online application to plot the data in realtime. Jul 16, 20 in order to detect a muon created by a cosmic ray because im assuming you dont have a particle collider in your backyard if you do, can we be friends. The compact muon solenoid cms experiment is one of two large generalpurpose particle physics detectors built on the large hadron collider lhc at cern in switzerland and france. The advantage of a pin diode is that the depletion region exists almost completely within the intrinsic region, which has a constant width or almost constant regardless of disturbances applied to the diode. In order to detect a muon created by a cosmic ray because im assuming you dont have a particle collider in your backyard if you do, can we be friends.
Classroom cosmic ray muon detector users manual i quarknet cosmic ray muon detector users manual series 6000 daq january, 2010 this manual provides information for setting up and using a cosmic ray muon detector crmd with the quarknet version 2. Arduino based pulse induction metal detector friendly. Cms is also a reference to the centerofmass system, an important concept in particle physics. The university of adelaide operates a one square metre muon detector on the adelaide campus, which records the number of detected cosmic ray muons every 15 minutes. Their webpage has copious details on where to get the parts, the software and how to make it. Axani took on the task of designing a prototype muon detector for use in pingu. The desktop muon detector instruction manual march 10, 2018 the cosmicwatch desktop muon detector is a massachusetts institute of technology mit and national center for nuclear research ncbj based undergraduatelevel physics project that incorporates various aspects of electronicsshop technical development. A muon, in the plane perpendicular to the lhc beams, leaves a curved trajectory in four layers of muon detectors stations.
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